ostc4: Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal

author	Ideenmodellierer
date	Thu, 30 Jan 2025 21:26:38 +0100 (8 weeks ago)
parents	c78bcbd5deda
children

rev	line source
128 c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	1 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	2 ******************************************************************************
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	3 * @file stm32f4xx_hal_cec.c
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	4 * @author MCD Application Team
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	5 * @brief CEC HAL module driver.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	6 * This file provides firmware functions to manage the following
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	7 * functionalities of the High Definition Multimedia Interface
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	8 * Consumer Electronics Control Peripheral (CEC).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	9 * + Initialization and de-initialization functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	10 * + IO operation functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	11 * + Peripheral Control functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	12 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	13 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	14 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	15 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	16 ##### How to use this driver #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	17 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	18 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	19 The CEC HAL driver can be used as follow:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	20
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	21 (#) Declare a CEC_HandleTypeDef handle structure.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	22 (#) Initialize the CEC low level resources by implementing the HAL_CEC_MspInit ()API:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	23 (##) Enable the CEC interface clock.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	24 (##) CEC pins configuration:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	25 (+++) Enable the clock for the CEC GPIOs.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	26 (+++) Configure these CEC pins as alternate function pull-up.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	27 (##) NVIC configuration if you need to use interrupt process (HAL_CEC_Transmit_IT()
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	28 and HAL_CEC_Receive_IT() APIs):
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	29 (+++) Configure the CEC interrupt priority.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	30 (+++) Enable the NVIC CEC IRQ handle.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	31 (+++) The specific CEC interrupts (Transmission complete interrupt,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	32 RXNE interrupt and Error Interrupts) will be managed using the macros
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	33 __HAL_CEC_ENABLE_IT() and __HAL_CEC_DISABLE_IT() inside the transmit
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	34 and receive process.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	35
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	36 (#) Program the Signal Free Time (SFT) and SFT option, Tolerance, reception stop in
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	37 in case of Bit Rising Error, Error-Bit generation conditions, device logical
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	38 address and Listen mode in the hcec Init structure.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	39
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	40 (#) Initialize the CEC registers by calling the HAL_CEC_Init() API.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	41
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	42 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	43 (@) This API (HAL_CEC_Init()) configures also the low level Hardware (GPIO, CLOCK, CORTEX...)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	44 by calling the customed HAL_CEC_MspInit() API.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	45
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	46 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	47 ******************************************************************************
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	48 * @attention
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	49 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	50 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	51 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	52 * Redistribution and use in source and binary forms, with or without modification,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	53 * are permitted provided that the following conditions are met:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	54 * 1. Redistributions of source code must retain the above copyright notice,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	55 * this list of conditions and the following disclaimer.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	56 * 2. Redistributions in binary form must reproduce the above copyright notice,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	57 * this list of conditions and the following disclaimer in the documentation
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	58 * and/or other materials provided with the distribution.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	59 * 3. Neither the name of STMicroelectronics nor the names of its contributors
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	60 * may be used to endorse or promote products derived from this software
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	61 * without specific prior written permission.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	62 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	63 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	64 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	65 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	66 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	67 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	68 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	69 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	70 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	71 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	72 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	73 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	74 ******************************************************************************
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	75 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	76
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	77 /* Includes ------------------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	78 #include "stm32f4xx_hal.h"
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	79
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	80 /** @addtogroup STM32F4xx_HAL_Driver
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	81 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	82 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	83
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	84 /** @defgroup CEC CEC
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	85 * @brief HAL CEC module driver
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	86 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	87 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	88 #ifdef HAL_CEC_MODULE_ENABLED
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	89
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	90 #if defined(STM32F446xx)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	91
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	92 /* Private typedef -----------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	93 /* Private define ------------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	94 /** @defgroup CEC_Private_Constants CEC Private Constants
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	95 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	96 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	97 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	98 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	99 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	100
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	101 /* Private macro -------------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	102 /* Private variables ---------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	103 /* Private function prototypes -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	104 /** @defgroup CEC_Private_Functions CEC Private Functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	105 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	106 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	107 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	108 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	109 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	110
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	111 /* Exported functions ---------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	112
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	113 /** @defgroup CEC_Exported_Functions CEC Exported Functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	114 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	115 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	116
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	117 /** @defgroup CEC_Exported_Functions_Group1 Initialization and de-initialization functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	118 * @brief Initialization and Configuration functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	119 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	120 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	121 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	122 ##### Initialization and Configuration functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	123 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	124 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	125 This subsection provides a set of functions allowing to initialize the CEC
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	126 (+) The following parameters need to be configured:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	127 (++) SignalFreeTime
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	128 (++) Tolerance
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	129 (++) BRERxStop (RX stopped or not upon Bit Rising Error)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	130 (++) BREErrorBitGen (Error-Bit generation in case of Bit Rising Error)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	131 (++) LBPEErrorBitGen (Error-Bit generation in case of Long Bit Period Error)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	132 (++) BroadcastMsgNoErrorBitGen (Error-bit generation in case of broadcast message error)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	133 (++) SignalFreeTimeOption (SFT Timer start definition)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	134 (++) OwnAddress (CEC device address)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	135 (++) ListenMode
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	136
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	137 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	138 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	139 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	140
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	141 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	142 * @brief Initializes the CEC mode according to the specified
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	143 * parameters in the CEC_InitTypeDef and creates the associated handle .
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	144 * @param hcec CEC handle
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	145 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	146 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	147 HAL_StatusTypeDef HAL_CEC_Init(CEC_HandleTypeDef *hcec)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	148 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	149 /* Check the CEC handle allocation */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	150 if((hcec == NULL) \|\|(hcec->Init.RxBuffer == NULL))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	151 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	152 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	153 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	154
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	155 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	156 assert_param(IS_CEC_ALL_INSTANCE(hcec->Instance));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	157 assert_param(IS_CEC_SIGNALFREETIME(hcec->Init.SignalFreeTime));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	158 assert_param(IS_CEC_TOLERANCE(hcec->Init.Tolerance));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	159 assert_param(IS_CEC_BRERXSTOP(hcec->Init.BRERxStop));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	160 assert_param(IS_CEC_BREERRORBITGEN(hcec->Init.BREErrorBitGen));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	161 assert_param(IS_CEC_LBPEERRORBITGEN(hcec->Init.LBPEErrorBitGen));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	162 assert_param(IS_CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION(hcec->Init.BroadcastMsgNoErrorBitGen));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	163 assert_param(IS_CEC_SFTOP(hcec->Init.SignalFreeTimeOption));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	164 assert_param(IS_CEC_LISTENING_MODE(hcec->Init.ListenMode));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	165 assert_param(IS_CEC_OWN_ADDRESS(hcec->Init.OwnAddress));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	166
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	167 if(hcec->gState == HAL_CEC_STATE_RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	168 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	169 /* Allocate lock resource and initialize it */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	170 hcec->Lock = HAL_UNLOCKED;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	171 /* Init the low level hardware : GPIO, CLOCK */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	172 HAL_CEC_MspInit(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	173 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	174 hcec->gState = HAL_CEC_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	175
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	176 /* Disable the Peripheral */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	177 __HAL_CEC_DISABLE(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	178
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	179 /* Write to CEC Control Register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	180 hcec->Instance->CFGR = hcec->Init.SignalFreeTime \| hcec->Init.Tolerance \| hcec->Init.BRERxStop\|\
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	181 hcec->Init.BREErrorBitGen \| hcec->Init.LBPEErrorBitGen \| hcec->Init.BroadcastMsgNoErrorBitGen \|\
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	182 hcec->Init.SignalFreeTimeOption \|((uint32_t)(hcec->Init.OwnAddress)<<16U) \|\
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	183 hcec->Init.ListenMode;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	184
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	185 /* Enable the following CEC Transmission/Reception interrupts as
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	186 * well as the following CEC Transmission/Reception Errors interrupts
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	187 * Rx Byte Received IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	188 * End of Reception IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	189 * Rx overrun
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	190 * Rx bit rising error
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	191 * Rx short bit period error
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	192 * Rx long bit period error
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	193 * Rx missing acknowledge
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	194 * Tx Byte Request IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	195 * End of Transmission IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	196 * Tx Missing Acknowledge IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	197 * Tx-Error IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	198 * Tx-Buffer Underrun IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	199 * Tx arbitration lost */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	200 __HAL_CEC_ENABLE_IT(hcec, CEC_IT_RXBR\|CEC_IT_RXEND\|CEC_IER_RX_ALL_ERR\|CEC_IT_TXBR\|CEC_IT_TXEND\|CEC_IER_TX_ALL_ERR);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	201
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	202 /* Enable the CEC Peripheral */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	203 __HAL_CEC_ENABLE(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	204
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	205 hcec->ErrorCode = HAL_CEC_ERROR_NONE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	206 hcec->gState = HAL_CEC_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	207 hcec->RxState = HAL_CEC_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	208
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	209 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	210 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	211
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	212 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	213 * @brief DeInitializes the CEC peripheral
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	214 * @param hcec CEC handle
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	215 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	216 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	217 HAL_StatusTypeDef HAL_CEC_DeInit(CEC_HandleTypeDef *hcec)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	218 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	219 /* Check the CEC handle allocation */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	220 if(hcec == NULL)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	221 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	222 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	223 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	224
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	225 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	226 assert_param(IS_CEC_ALL_INSTANCE(hcec->Instance));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	227
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	228 hcec->gState = HAL_CEC_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	229
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	230 /* DeInit the low level hardware */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	231 HAL_CEC_MspDeInit(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	232 /* Disable the Peripheral */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	233 __HAL_CEC_DISABLE(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	234
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	235 /* Clear Flags */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	236 __HAL_CEC_CLEAR_FLAG(hcec,CEC_FLAG_TXEND\|CEC_FLAG_TXBR\|CEC_FLAG_RXBR\|CEC_FLAG_RXEND\|CEC_ISR_ALL_ERROR);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	237
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	238 /* Disable the following CEC Transmission/Reception interrupts as
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	239 * well as the following CEC Transmission/Reception Errors interrupts
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	240 * Rx Byte Received IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	241 * End of Reception IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	242 * Rx overrun
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	243 * Rx bit rising error
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	244 * Rx short bit period error
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	245 * Rx long bit period error
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	246 * Rx missing acknowledge
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	247 * Tx Byte Request IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	248 * End of Transmission IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	249 * Tx Missing Acknowledge IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	250 * Tx-Error IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	251 * Tx-Buffer Underrun IT
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	252 * Tx arbitration lost */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	253 __HAL_CEC_DISABLE_IT(hcec, CEC_IT_RXBR\|CEC_IT_RXEND\|CEC_IER_RX_ALL_ERR\|CEC_IT_TXBR\|CEC_IT_TXEND\|CEC_IER_TX_ALL_ERR);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	254
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	255 hcec->ErrorCode = HAL_CEC_ERROR_NONE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	256 hcec->gState = HAL_CEC_STATE_RESET;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	257 hcec->RxState = HAL_CEC_STATE_RESET;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	258
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	259 /* Process Unlock */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	260 __HAL_UNLOCK(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	261
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	262 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	263 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	264
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	265 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	266 * @brief Initializes the Own Address of the CEC device
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	267 * @param hcec CEC handle
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	268 * @param CEC_OwnAddress The CEC own address.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	269 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	270 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	271 HAL_StatusTypeDef HAL_CEC_SetDeviceAddress(CEC_HandleTypeDef *hcec, uint16_t CEC_OwnAddress)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	272 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	273 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	274 assert_param(IS_CEC_OWN_ADDRESS(CEC_OwnAddress));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	275
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	276 if ((hcec->gState == HAL_CEC_STATE_READY) && (hcec->RxState == HAL_CEC_STATE_READY))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	277 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	278 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	279 __HAL_LOCK(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	280
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	281 hcec->gState = HAL_CEC_STATE_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	282
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	283 /* Disable the Peripheral */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	284 __HAL_CEC_DISABLE(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	285
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	286 if(CEC_OwnAddress != CEC_OWN_ADDRESS_NONE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	287 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	288 hcec->Instance->CFGR \|= ((uint32_t)CEC_OwnAddress<<16U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	289 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	290 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	291 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	292 hcec->Instance->CFGR &= ~(CEC_CFGR_OAR);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	293 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	294
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	295 hcec->gState = HAL_CEC_STATE_READY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	296 hcec->ErrorCode = HAL_CEC_ERROR_NONE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	297
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	298 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	299 __HAL_UNLOCK(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	300
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	301 /* Enable the Peripheral */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	302 __HAL_CEC_ENABLE(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	303
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	304 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	305 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	306 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	307 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	308 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	309 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	310 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	311
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	312 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	313 * @brief CEC MSP Init
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	314 * @param hcec CEC handle
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	315 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	316 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	317 __weak void HAL_CEC_MspInit(CEC_HandleTypeDef *hcec)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	318 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	319 /* Prevent unused argument(s) compilation warning */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	320 UNUSED(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	321 /* NOTE : This function should not be modified, when the callback is needed,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	322 the HAL_CEC_MspInit can be implemented in the user file
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	323 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	324 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	325
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	326 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	327 * @brief CEC MSP DeInit
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	328 * @param hcec CEC handle
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	329 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	330 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	331 __weak void HAL_CEC_MspDeInit(CEC_HandleTypeDef *hcec)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	332 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	333 /* Prevent unused argument(s) compilation warning */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	334 UNUSED(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	335 /* NOTE : This function should not be modified, when the callback is needed,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	336 the HAL_CEC_MspDeInit can be implemented in the user file
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	337 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	338 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	339
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	340 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	341 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	342 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	343
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	344 /** @defgroup CEC_Exported_Functions_Group2 Input and Output operation functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	345 * @brief CEC Transmit/Receive functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	346 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	347 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	348 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	349 ##### IO operation functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	350 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	351 This subsection provides a set of functions allowing to manage the CEC data transfers.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	352
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	353 (#) The CEC handle must contain the initiator (TX side) and the destination (RX side)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	354 logical addresses (4-bit long addresses, 0x0F for broadcast messages destination)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	355
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	356 (#) The communication is performed using Interrupts.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	357 These API's return the HAL status.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	358 The end of the data processing will be indicated through the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	359 dedicated CEC IRQ when using Interrupt mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	360 The HAL_CEC_TxCpltCallback(), HAL_CEC_RxCpltCallback() user callbacks
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	361 will be executed respectivelly at the end of the transmit or Receive process
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	362 The HAL_CEC_ErrorCallback()user callback will be executed when a communication
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	363 error is detected
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	364
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	365 (#) API's with Interrupt are :
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	366 (+) HAL_CEC_Transmit_IT()
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	367 (+) HAL_CEC_IRQHandler()
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	368
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	369 (#) A set of User Callbacks are provided:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	370 (+) HAL_CEC_TxCpltCallback()
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	371 (+) HAL_CEC_RxCpltCallback()
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	372 (+) HAL_CEC_ErrorCallback()
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	373
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	374 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	375 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	376 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	377
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	378 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	379 * @brief Send data in interrupt mode
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	380 * @param hcec CEC handle
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	381 * @param InitiatorAddress Initiator logical address
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	382 * @param DestinationAddress destination logical address
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	383 * @param pData pointer to input byte data buffer
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	384 * @param Size amount of data to be sent in bytes (without counting the header).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	385 * 0 means only the header is sent (ping operation).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	386 * Maximum TX size is 15 bytes (1 opcode and up to 14 operands).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	387 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	388 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	389 HAL_StatusTypeDef HAL_CEC_Transmit_IT(CEC_HandleTypeDef hcec, uint8_t InitiatorAddress, uint8_t DestinationAddress, uint8_t pData, uint32_t Size)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	390 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	391 /* if the IP isn't already busy and if there is no previous transmission
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	392 already pending due to arbitration lost */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	393 if (hcec->gState == HAL_CEC_STATE_READY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	394 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	395 if((pData == NULL ) && (Size > 0U))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	396 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	397 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	398 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	399
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	400 assert_param(IS_CEC_ADDRESS(DestinationAddress));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	401 assert_param(IS_CEC_ADDRESS(InitiatorAddress));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	402 assert_param(IS_CEC_MSGSIZE(Size));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	403
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	404 /* Process Locked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	405 __HAL_LOCK(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	406 hcec->pTxBuffPtr = pData;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	407 hcec->gState = HAL_CEC_STATE_BUSY_TX;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	408 hcec->ErrorCode = HAL_CEC_ERROR_NONE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	409
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	410 /* initialize the number of bytes to send,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	411 * 0 means only one header is sent (ping operation) */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	412 hcec->TxXferCount = Size;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	413
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	414 /* in case of no payload (Size = 0), sender is only pinging the system;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	415 Set TX End of Message (TXEOM) bit, must be set before writing data to TXDR */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	416 if (Size == 0U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	417 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	418 __HAL_CEC_LAST_BYTE_TX_SET(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	419 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	420
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	421 /* send header block */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	422 hcec->Instance->TXDR = ((uint8_t)(InitiatorAddress << CEC_INITIATOR_LSB_POS) \|(uint8_t) DestinationAddress);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	423 /* Set TX Start of Message (TXSOM) bit */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	424 __HAL_CEC_FIRST_BYTE_TX_SET(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	425
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	426 /* Process Unlocked */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	427 __HAL_UNLOCK(hcec);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	428
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	429 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	430
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	431 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	432 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	433 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	434 return HAL_BUSY;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	435 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	436 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	437
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	438 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	439 * @brief Get size of the received frame.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	440 * @param hcec CEC handle
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	441 * @retval Frame size
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	442 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	443 uint32_t HAL_CEC_GetLastReceivedFrameSize(CEC_HandleTypeDef *hcec)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	444 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	445 return hcec->RxXferSize;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	446 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	447
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	448 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	449 * @brief Change Rx Buffer.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	450 * @param hcec CEC handle
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	451 * @param Rxbuffer Rx Buffer
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	452 * @note This function can be called only inside the HAL_CEC_RxCpltCallback()
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	453 * @retval Frame size
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	454 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	455 void HAL_CEC_ChangeRxBuffer(CEC_HandleTypeDef hcec, uint8_t Rxbuffer)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	456 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	457 hcec->Init.RxBuffer = Rxbuffer;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	458 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	459
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	460 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	461 * @brief This function handles CEC interrupt requests.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	462 * @param hcec CEC handle
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	463 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	464 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	465 void HAL_CEC_IRQHandler(CEC_HandleTypeDef *hcec)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	466 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	467
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	468 /* save interrupts register for further error or interrupts handling purposes */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	469 uint32_t reg = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	470 reg = hcec->Instance->ISR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	471
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	472
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	473 /* ----------------------------Arbitration Lost Management----------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	474 /* CEC TX arbitration error interrupt occurred --------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	475 if((reg & CEC_FLAG_ARBLST) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	476 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	477 hcec->ErrorCode = HAL_CEC_ERROR_ARBLST;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	478 __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_ARBLST);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	479 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	480
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	481 /* ----------------------------Rx Management----------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	482 /* CEC RX byte received interrupt ---------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	483 if((reg & CEC_FLAG_RXBR) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	484 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	485 /* reception is starting */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	486 hcec->RxState = HAL_CEC_STATE_BUSY_RX;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	487 hcec->RxXferSize++;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	488 /* read received byte */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	489 *hcec->Init.RxBuffer++ = hcec->Instance->RXDR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	490 __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_RXBR);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	491 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	492
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	493 /* CEC RX end received interrupt ---------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	494 if((reg & CEC_FLAG_RXEND) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	495 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	496 /* clear IT */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	497 __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_RXEND);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	498
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	499 /* Rx process is completed, restore hcec->RxState to Ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	500 hcec->RxState = HAL_CEC_STATE_READY;

128

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1 /**

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2 ******************************************************************************

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3 * @file stm32f4xx_hal_cec.c

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4 * @author MCD Application Team

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5 * @brief CEC HAL module driver.

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6 * This file provides firmware functions to manage the following

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7 * functionalities of the High Definition Multimedia Interface

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8 * Consumer Electronics Control Peripheral (CEC).

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9 * + Initialization and de-initialization functions

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10 * + IO operation functions

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11 * + Peripheral Control functions

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12 *

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13 *

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14 @verbatim

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15 ===============================================================================

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16 ##### How to use this driver #####

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17 ===============================================================================

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18 [..]

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19 The CEC HAL driver can be used as follow:

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20

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21 (#) Declare a CEC_HandleTypeDef handle structure.

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22 (#) Initialize the CEC low level resources by implementing the HAL_CEC_MspInit ()API:

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23 (##) Enable the CEC interface clock.

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24 (##) CEC pins configuration:

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25 (+++) Enable the clock for the CEC GPIOs.

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26 (+++) Configure these CEC pins as alternate function pull-up.

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27 (##) NVIC configuration if you need to use interrupt process (HAL_CEC_Transmit_IT()

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28 and HAL_CEC_Receive_IT() APIs):

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29 (+++) Configure the CEC interrupt priority.

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30 (+++) Enable the NVIC CEC IRQ handle.

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31 (+++) The specific CEC interrupts (Transmission complete interrupt,

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32 RXNE interrupt and Error Interrupts) will be managed using the macros

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33 __HAL_CEC_ENABLE_IT() and __HAL_CEC_DISABLE_IT() inside the transmit

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34 and receive process.

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35

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36 (#) Program the Signal Free Time (SFT) and SFT option, Tolerance, reception stop in

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37 in case of Bit Rising Error, Error-Bit generation conditions, device logical

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38 address and Listen mode in the hcec Init structure.

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39

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40 (#) Initialize the CEC registers by calling the HAL_CEC_Init() API.

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41

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42 [..]

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43 (@) This API (HAL_CEC_Init()) configures also the low level Hardware (GPIO, CLOCK, CORTEX...)

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44 by calling the customed HAL_CEC_MspInit() API.

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45

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46 @endverbatim

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47 ******************************************************************************

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48 * @attention

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49 *

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51 *

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52 * Redistribution and use in source and binary forms, with or without modification,

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53 * are permitted provided that the following conditions are met:

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54 * 1. Redistributions of source code must retain the above copyright notice,

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55 * this list of conditions and the following disclaimer.

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56 * 2. Redistributions in binary form must reproduce the above copyright notice,

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57 * this list of conditions and the following disclaimer in the documentation

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58 * and/or other materials provided with the distribution.

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59 * 3. Neither the name of STMicroelectronics nor the names of its contributors

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60 * may be used to endorse or promote products derived from this software

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61 * without specific prior written permission.

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62 *

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63 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

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64 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

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65 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

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66 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

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67 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

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68 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

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69 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

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70 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

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71 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

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72 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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73 *

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74 ******************************************************************************

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75 */

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76

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77 /* Includes ------------------------------------------------------------------*/

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78 #include "stm32f4xx_hal.h"

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79

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80 /** @addtogroup STM32F4xx_HAL_Driver

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81 * @{

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82 */

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83

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84 /** @defgroup CEC CEC

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85 * @brief HAL CEC module driver

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86 * @{

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87 */

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88 #ifdef HAL_CEC_MODULE_ENABLED

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89

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90 #if defined(STM32F446xx)

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91

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92 /* Private typedef -----------------------------------------------------------*/

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93 /* Private define ------------------------------------------------------------*/

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94 /** @defgroup CEC_Private_Constants CEC Private Constants

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95 * @{

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96 */

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97 /**

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98 * @}

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99 */

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100

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101 /* Private macro -------------------------------------------------------------*/

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102 /* Private variables ---------------------------------------------------------*/

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103 /* Private function prototypes -----------------------------------------------*/

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104 /** @defgroup CEC_Private_Functions CEC Private Functions

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105 * @{

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106 */

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107 /**

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108 * @}

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109 */

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110

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111 /* Exported functions ---------------------------------------------------------*/

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112

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113 /** @defgroup CEC_Exported_Functions CEC Exported Functions

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114 * @{

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115 */

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116

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117 /** @defgroup CEC_Exported_Functions_Group1 Initialization and de-initialization functions

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118 * @brief Initialization and Configuration functions

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119 *

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120 @verbatim

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121 ===============================================================================

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122 ##### Initialization and Configuration functions #####

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123 ===============================================================================

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124 [..]

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125 This subsection provides a set of functions allowing to initialize the CEC

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126 (+) The following parameters need to be configured:

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127 (++) SignalFreeTime

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128 (++) Tolerance

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129 (++) BRERxStop (RX stopped or not upon Bit Rising Error)

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130 (++) BREErrorBitGen (Error-Bit generation in case of Bit Rising Error)

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131 (++) LBPEErrorBitGen (Error-Bit generation in case of Long Bit Period Error)

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132 (++) BroadcastMsgNoErrorBitGen (Error-bit generation in case of broadcast message error)

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133 (++) SignalFreeTimeOption (SFT Timer start definition)

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134 (++) OwnAddress (CEC device address)

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135 (++) ListenMode

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136

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137 @endverbatim

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138 * @{

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139 */

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140

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141 /**

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142 * @brief Initializes the CEC mode according to the specified

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143 * parameters in the CEC_InitTypeDef and creates the associated handle .

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144 * @param hcec CEC handle

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145 * @retval HAL status

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146 */

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147 HAL_StatusTypeDef HAL_CEC_Init(CEC_HandleTypeDef *hcec)

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148 {

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149 /* Check the CEC handle allocation */

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150 if((hcec == NULL) ||(hcec->Init.RxBuffer == NULL))

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151 {

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152 return HAL_ERROR;

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153 }

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154

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155 /* Check the parameters */

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156 assert_param(IS_CEC_ALL_INSTANCE(hcec->Instance));

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157 assert_param(IS_CEC_SIGNALFREETIME(hcec->Init.SignalFreeTime));

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158 assert_param(IS_CEC_TOLERANCE(hcec->Init.Tolerance));

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159 assert_param(IS_CEC_BRERXSTOP(hcec->Init.BRERxStop));

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160 assert_param(IS_CEC_BREERRORBITGEN(hcec->Init.BREErrorBitGen));

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161 assert_param(IS_CEC_LBPEERRORBITGEN(hcec->Init.LBPEErrorBitGen));

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162 assert_param(IS_CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION(hcec->Init.BroadcastMsgNoErrorBitGen));

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163 assert_param(IS_CEC_SFTOP(hcec->Init.SignalFreeTimeOption));

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164 assert_param(IS_CEC_LISTENING_MODE(hcec->Init.ListenMode));

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165 assert_param(IS_CEC_OWN_ADDRESS(hcec->Init.OwnAddress));

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166

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167 if(hcec->gState == HAL_CEC_STATE_RESET)

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168 {

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169 /* Allocate lock resource and initialize it */

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170 hcec->Lock = HAL_UNLOCKED;

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171 /* Init the low level hardware : GPIO, CLOCK */

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172 HAL_CEC_MspInit(hcec);

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173 }

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174 hcec->gState = HAL_CEC_STATE_BUSY;

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175

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176 /* Disable the Peripheral */

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177 __HAL_CEC_DISABLE(hcec);

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178

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179 /* Write to CEC Control Register */

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180 hcec->Instance->CFGR = hcec->Init.SignalFreeTime | hcec->Init.Tolerance | hcec->Init.BRERxStop|\

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181 hcec->Init.BREErrorBitGen | hcec->Init.LBPEErrorBitGen | hcec->Init.BroadcastMsgNoErrorBitGen |\

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182 hcec->Init.SignalFreeTimeOption |((uint32_t)(hcec->Init.OwnAddress)<<16U) |\

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183 hcec->Init.ListenMode;

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184

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185 /* Enable the following CEC Transmission/Reception interrupts as

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186 * well as the following CEC Transmission/Reception Errors interrupts

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187 * Rx Byte Received IT

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188 * End of Reception IT

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189 * Rx overrun

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190 * Rx bit rising error

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191 * Rx short bit period error

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192 * Rx long bit period error

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193 * Rx missing acknowledge

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194 * Tx Byte Request IT

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195 * End of Transmission IT

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196 * Tx Missing Acknowledge IT

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197 * Tx-Error IT

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198 * Tx-Buffer Underrun IT

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199 * Tx arbitration lost */

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201

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202 /* Enable the CEC Peripheral */

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203 __HAL_CEC_ENABLE(hcec);

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204

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205 hcec->ErrorCode = HAL_CEC_ERROR_NONE;

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206 hcec->gState = HAL_CEC_STATE_READY;

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207 hcec->RxState = HAL_CEC_STATE_READY;

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208

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209 return HAL_OK;

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210 }

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211

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212 /**

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213 * @brief DeInitializes the CEC peripheral

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214 * @param hcec CEC handle

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215 * @retval HAL status

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216 */

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217 HAL_StatusTypeDef HAL_CEC_DeInit(CEC_HandleTypeDef *hcec)

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218 {

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219 /* Check the CEC handle allocation */

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220 if(hcec == NULL)

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221 {

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222 return HAL_ERROR;

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223 }

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224

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225 /* Check the parameters */

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226 assert_param(IS_CEC_ALL_INSTANCE(hcec->Instance));

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227

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228 hcec->gState = HAL_CEC_STATE_BUSY;

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229

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230 /* DeInit the low level hardware */

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231 HAL_CEC_MspDeInit(hcec);

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232 /* Disable the Peripheral */

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233 __HAL_CEC_DISABLE(hcec);

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234

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235 /* Clear Flags */

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236 __HAL_CEC_CLEAR_FLAG(hcec,CEC_FLAG_TXEND|CEC_FLAG_TXBR|CEC_FLAG_RXBR|CEC_FLAG_RXEND|CEC_ISR_ALL_ERROR);

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237

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238 /* Disable the following CEC Transmission/Reception interrupts as

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239 * well as the following CEC Transmission/Reception Errors interrupts

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240 * Rx Byte Received IT

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241 * End of Reception IT

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242 * Rx overrun

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243 * Rx bit rising error

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244 * Rx short bit period error

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245 * Rx long bit period error

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246 * Rx missing acknowledge

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247 * Tx Byte Request IT

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248 * End of Transmission IT

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249 * Tx Missing Acknowledge IT

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250 * Tx-Error IT

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251 * Tx-Buffer Underrun IT

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252 * Tx arbitration lost */

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254

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255 hcec->ErrorCode = HAL_CEC_ERROR_NONE;

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256 hcec->gState = HAL_CEC_STATE_RESET;

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257 hcec->RxState = HAL_CEC_STATE_RESET;

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258

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259 /* Process Unlock */

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260 __HAL_UNLOCK(hcec);

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261

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262 return HAL_OK;

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263 }

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264

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265 /**

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266 * @brief Initializes the Own Address of the CEC device

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267 * @param hcec CEC handle

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268 * @param CEC_OwnAddress The CEC own address.

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269 * @retval HAL status

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270 */

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271 HAL_StatusTypeDef HAL_CEC_SetDeviceAddress(CEC_HandleTypeDef *hcec, uint16_t CEC_OwnAddress)

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272 {

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273 /* Check the parameters */

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274 assert_param(IS_CEC_OWN_ADDRESS(CEC_OwnAddress));

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275

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276 if ((hcec->gState == HAL_CEC_STATE_READY) && (hcec->RxState == HAL_CEC_STATE_READY))

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277 {

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278 /* Process Locked */

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279 __HAL_LOCK(hcec);

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280

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281 hcec->gState = HAL_CEC_STATE_BUSY;

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282

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283 /* Disable the Peripheral */

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284 __HAL_CEC_DISABLE(hcec);

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285

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286 if(CEC_OwnAddress != CEC_OWN_ADDRESS_NONE)

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287 {

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288 hcec->Instance->CFGR |= ((uint32_t)CEC_OwnAddress<<16U);

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289 }

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290 else

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291 {

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292 hcec->Instance->CFGR &= ~(CEC_CFGR_OAR);

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293 }

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294

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295 hcec->gState = HAL_CEC_STATE_READY;

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296 hcec->ErrorCode = HAL_CEC_ERROR_NONE;

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297

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298 /* Process Unlocked */

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299 __HAL_UNLOCK(hcec);

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300

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301 /* Enable the Peripheral */

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302 __HAL_CEC_ENABLE(hcec);

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303

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304 return HAL_OK;

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305 }

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306 else

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307 {

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308 return HAL_BUSY;

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309 }

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310 }

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311

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312 /**

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313 * @brief CEC MSP Init

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314 * @param hcec CEC handle

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315 * @retval None

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316 */

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317 __weak void HAL_CEC_MspInit(CEC_HandleTypeDef *hcec)

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318 {

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319 /* Prevent unused argument(s) compilation warning */

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320 UNUSED(hcec);

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321 /* NOTE : This function should not be modified, when the callback is needed,

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322 the HAL_CEC_MspInit can be implemented in the user file

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323 */

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324 }

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325

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326 /**

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327 * @brief CEC MSP DeInit

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328 * @param hcec CEC handle

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329 * @retval None

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330 */

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331 __weak void HAL_CEC_MspDeInit(CEC_HandleTypeDef *hcec)

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332 {

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333 /* Prevent unused argument(s) compilation warning */

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334 UNUSED(hcec);

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335 /* NOTE : This function should not be modified, when the callback is needed,

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336 the HAL_CEC_MspDeInit can be implemented in the user file

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337 */

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338 }

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339

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340 /**

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341 * @}

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342 */

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343

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344 /** @defgroup CEC_Exported_Functions_Group2 Input and Output operation functions

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345 * @brief CEC Transmit/Receive functions

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346 *

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347 @verbatim

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348 ===============================================================================

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349 ##### IO operation functions #####

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350 ===============================================================================

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351 This subsection provides a set of functions allowing to manage the CEC data transfers.

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352

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353 (#) The CEC handle must contain the initiator (TX side) and the destination (RX side)

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354 logical addresses (4-bit long addresses, 0x0F for broadcast messages destination)

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355

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356 (#) The communication is performed using Interrupts.

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357 These API's return the HAL status.

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358 The end of the data processing will be indicated through the

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359 dedicated CEC IRQ when using Interrupt mode.

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360 The HAL_CEC_TxCpltCallback(), HAL_CEC_RxCpltCallback() user callbacks

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361 will be executed respectivelly at the end of the transmit or Receive process

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362 The HAL_CEC_ErrorCallback()user callback will be executed when a communication

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363 error is detected

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364

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365 (#) API's with Interrupt are :

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366 (+) HAL_CEC_Transmit_IT()

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367 (+) HAL_CEC_IRQHandler()

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368

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369 (#) A set of User Callbacks are provided:

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370 (+) HAL_CEC_TxCpltCallback()

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371 (+) HAL_CEC_RxCpltCallback()

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372 (+) HAL_CEC_ErrorCallback()

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373

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374 @endverbatim

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375 * @{

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376 */

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377

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378 /**

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379 * @brief Send data in interrupt mode

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380 * @param hcec CEC handle

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381 * @param InitiatorAddress Initiator logical address

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382 * @param DestinationAddress destination logical address

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383 * @param pData pointer to input byte data buffer

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384 * @param Size amount of data to be sent in bytes (without counting the header).

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385 * 0 means only the header is sent (ping operation).

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386 * Maximum TX size is 15 bytes (1 opcode and up to 14 operands).

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387 * @retval HAL status

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388 */

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389 HAL_StatusTypeDef HAL_CEC_Transmit_IT(CEC_HandleTypeDef *hcec, uint8_t InitiatorAddress, uint8_t DestinationAddress, uint8_t *pData, uint32_t Size)

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390 {

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391 /* if the IP isn't already busy and if there is no previous transmission

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392 already pending due to arbitration lost */

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393 if (hcec->gState == HAL_CEC_STATE_READY)

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394 {

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395 if((pData == NULL ) && (Size > 0U))

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396 {

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397 return HAL_ERROR;

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398 }

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399

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400 assert_param(IS_CEC_ADDRESS(DestinationAddress));

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401 assert_param(IS_CEC_ADDRESS(InitiatorAddress));

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402 assert_param(IS_CEC_MSGSIZE(Size));

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403

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404 /* Process Locked */

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405 __HAL_LOCK(hcec);

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406 hcec->pTxBuffPtr = pData;

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407 hcec->gState = HAL_CEC_STATE_BUSY_TX;

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408 hcec->ErrorCode = HAL_CEC_ERROR_NONE;

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409

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410 /* initialize the number of bytes to send,

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411 * 0 means only one header is sent (ping operation) */

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412 hcec->TxXferCount = Size;

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413

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414 /* in case of no payload (Size = 0), sender is only pinging the system;

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415 Set TX End of Message (TXEOM) bit, must be set before writing data to TXDR */

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416 if (Size == 0U)

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417 {

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418 __HAL_CEC_LAST_BYTE_TX_SET(hcec);

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419 }

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420

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421 /* send header block */

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422 hcec->Instance->TXDR = ((uint8_t)(InitiatorAddress << CEC_INITIATOR_LSB_POS) |(uint8_t) DestinationAddress);

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423 /* Set TX Start of Message (TXSOM) bit */

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424 __HAL_CEC_FIRST_BYTE_TX_SET(hcec);

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425

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426 /* Process Unlocked */

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427 __HAL_UNLOCK(hcec);

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428

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429 return HAL_OK;

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430

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431 }

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432 else

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433 {

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434 return HAL_BUSY;

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435 }

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436 }

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437

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438 /**

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439 * @brief Get size of the received frame.

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440 * @param hcec CEC handle

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441 * @retval Frame size

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442 */

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443 uint32_t HAL_CEC_GetLastReceivedFrameSize(CEC_HandleTypeDef *hcec)

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444 {

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445 return hcec->RxXferSize;

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446 }

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447

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448 /**

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449 * @brief Change Rx Buffer.

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450 * @param hcec CEC handle

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451 * @param Rxbuffer Rx Buffer

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452 * @note This function can be called only inside the HAL_CEC_RxCpltCallback()

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453 * @retval Frame size

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454 */

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455 void HAL_CEC_ChangeRxBuffer(CEC_HandleTypeDef *hcec, uint8_t* Rxbuffer)

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456 {

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457 hcec->Init.RxBuffer = Rxbuffer;

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458 }

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459

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460 /**

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461 * @brief This function handles CEC interrupt requests.

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462 * @param hcec CEC handle

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463 * @retval None

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464 */

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465 void HAL_CEC_IRQHandler(CEC_HandleTypeDef *hcec)

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466 {

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467

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468 /* save interrupts register for further error or interrupts handling purposes */

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469 uint32_t reg = 0U;

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470 reg = hcec->Instance->ISR;

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471

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472

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473 /* ----------------------------Arbitration Lost Management----------------------------------*/

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474 /* CEC TX arbitration error interrupt occurred --------------------------------------*/

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475 if((reg & CEC_FLAG_ARBLST) != RESET)

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476 {

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477 hcec->ErrorCode = HAL_CEC_ERROR_ARBLST;

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478 __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_ARBLST);

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479 }

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480

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481 /* ----------------------------Rx Management----------------------------------*/

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482 /* CEC RX byte received interrupt ---------------------------------------------------*/

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483 if((reg & CEC_FLAG_RXBR) != RESET)

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484 {

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485 /* reception is starting */

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486 hcec->RxState = HAL_CEC_STATE_BUSY_RX;

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487 hcec->RxXferSize++;

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488 /* read received byte */

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489 *hcec->Init.RxBuffer++ = hcec->Instance->RXDR;

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490 __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_RXBR);

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491 }

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492

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493 /* CEC RX end received interrupt ---------------------------------------------------*/

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494 if((reg & CEC_FLAG_RXEND) != RESET)

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495 {

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496 /* clear IT */

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497 __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_RXEND);

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498

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499 /* Rx process is completed, restore hcec->RxState to Ready */

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500 hcec->RxState = HAL_CEC_STATE_READY;

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501 hcec->ErrorCode = HAL_CEC_ERROR_NONE;

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502 hcec->Init.RxBuffer -= hcec->RxXferSize;

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503 HAL_CEC_RxCpltCallback(hcec, hcec->RxXferSize);

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504 hcec->RxXferSize = 0U;

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505 }

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506

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507 /* ----------------------------Tx Management----------------------------------*/

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508 /* CEC TX byte request interrupt ------------------------------------------------*/

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509 if((reg & CEC_FLAG_TXBR) != RESET)

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510 {

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511 if (hcec->TxXferCount == 0U)

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512 {

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513 /* if this is the last byte transmission, set TX End of Message (TXEOM) bit */

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514 __HAL_CEC_LAST_BYTE_TX_SET(hcec);

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515 hcec->Instance->TXDR = *hcec->pTxBuffPtr++;

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516 }

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517 else

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518 {

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519 hcec->Instance->TXDR = *hcec->pTxBuffPtr++;

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520 hcec->TxXferCount--;

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521 }

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522 /* clear Tx-Byte request flag */

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523 __HAL_CEC_CLEAR_FLAG(hcec,CEC_FLAG_TXBR);

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524 }

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525

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526 /* CEC TX end interrupt ------------------------------------------------*/

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527 if((reg & CEC_FLAG_TXEND) != RESET)

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528 {

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529 __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_TXEND);

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530

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531 /* Tx process is ended, restore hcec->gState to Ready */

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532 hcec->gState = HAL_CEC_STATE_READY;

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533 /* Call the Process Unlocked before calling the Tx call back API to give the possibility to

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534 start again the Transmission under the Tx call back API */

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535 __HAL_UNLOCK(hcec);

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536 hcec->ErrorCode = HAL_CEC_ERROR_NONE;

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537 HAL_CEC_TxCpltCallback(hcec);

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538 }

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539

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540 /* ----------------------------Rx/Tx Error Management----------------------------------*/

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542 {

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543 hcec->ErrorCode = reg;

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545

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546

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547 if((reg & (CEC_ISR_RXOVR|CEC_ISR_BRE|CEC_ISR_SBPE|CEC_ISR_LBPE|CEC_ISR_RXACKE)) != RESET)

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548 {

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549 hcec->Init.RxBuffer-=hcec->RxXferSize;

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550 hcec->RxXferSize = 0U;

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551 hcec->RxState = HAL_CEC_STATE_READY;

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552 }

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553 else if (((reg & (CEC_ISR_TXUDR|CEC_ISR_TXERR|CEC_ISR_TXACKE)) != RESET) && ((reg & CEC_ISR_ARBLST) == RESET))

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554 {

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555 /* Set the CEC state ready to be able to start again the process */

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556 hcec->gState = HAL_CEC_STATE_READY;

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557 }

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558

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559 /* Error Call Back */

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560 HAL_CEC_ErrorCallback(hcec);

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561 }

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562

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563 }

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564

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565 /**

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566 * @brief Tx Transfer completed callback

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567 * @param hcec CEC handle

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568 * @retval None

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569 */

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570 __weak void HAL_CEC_TxCpltCallback(CEC_HandleTypeDef *hcec)

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571 {

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572 /* Prevent unused argument(s) compilation warning */

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573 UNUSED(hcec);

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574 /* NOTE : This function should not be modified, when the callback is needed,

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575 the HAL_CEC_TxCpltCallback can be implemented in the user file

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576 */

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577 }

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578

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579 /**

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580 * @brief Rx Transfer completed callback

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581 * @param hcec CEC handle

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582 * @param RxFrameSize Size of frame

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583 * @retval None

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584 */

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585 __weak void HAL_CEC_RxCpltCallback(CEC_HandleTypeDef *hcec, uint32_t RxFrameSize)

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586 {

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587 /* Prevent unused argument(s) compilation warning */

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588 UNUSED(hcec);

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589 UNUSED(RxFrameSize);

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590 /* NOTE : This function should not be modified, when the callback is needed,

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591 the HAL_CEC_RxCpltCallback can be implemented in the user file

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592 */

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593 }

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594

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595 /**

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596 * @brief CEC error callbacks

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597 * @param hcec CEC handle

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598 * @retval None

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599 */

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600 __weak void HAL_CEC_ErrorCallback(CEC_HandleTypeDef *hcec)

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601 {

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602 /* Prevent unused argument(s) compilation warning */

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603 UNUSED(hcec);

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604 /* NOTE : This function should not be modified, when the callback is needed,

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605 the HAL_CEC_ErrorCallback can be implemented in the user file

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606 */

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607 }

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608 /**

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609 * @}

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610 */

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611

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612 /** @defgroup CEC_Exported_Functions_Group3 Peripheral Control function

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613 * @brief CEC control functions

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614 *

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615 @verbatim

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616 ===============================================================================

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617 ##### Peripheral Control function #####

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618 ===============================================================================

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619 [..]

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620 This subsection provides a set of functions allowing to control the CEC.

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621 (+) HAL_CEC_GetState() API can be helpful to check in run-time the state of the CEC peripheral.

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622 (+) HAL_CEC_GetError() API can be helpful to check in run-time the error of the CEC peripheral.

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623 @endverbatim

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624 * @{

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625 */

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626 /**

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627 * @brief return the CEC state

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628 * @param hcec pointer to a CEC_HandleTypeDef structure that contains

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629 * the configuration information for the specified CEC module.

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630 * @retval HAL state

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631 */

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632 HAL_CEC_StateTypeDef HAL_CEC_GetState(CEC_HandleTypeDef *hcec)

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633 {

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634 uint32_t temp1 = 0x00U, temp2 = 0x00U;

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635 temp1 = hcec->gState;

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636 temp2 = hcec->RxState;

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637

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638 return (HAL_CEC_StateTypeDef)(temp1 | temp2);

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639 }

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640

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641 /**

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642 * @brief Return the CEC error code

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643 * @param hcec pointer to a CEC_HandleTypeDef structure that contains

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644 * the configuration information for the specified CEC.

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645 * @retval CEC Error Code

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646 */

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647 uint32_t HAL_CEC_GetError(CEC_HandleTypeDef *hcec)

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648 {

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649 return hcec->ErrorCode;

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650 }

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651

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652 /**

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653 * @}

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654 */

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655

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656 /**

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657 * @}

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658 */

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659

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660 #endif /* STM32F446xx */

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661

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662 #endif /* HAL_CEC_MODULE_ENABLED */

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663 /**

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664 * @}

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665 */

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666

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667 /**

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668 * @}

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669 */

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670

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671 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

Mercurial > public > ostc4

annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cec.c @ 978:57b82ae99969 Evo_2_23