annotate Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_cec.h @ 916:4832981f9af8 Evo_2_23

External sensor UART: Switch to DMA TX transfers: The previous version used polling tx function to transfer data. Because of the short command length of the protocols supported this was no big issue. New protocolls (like GNSS) have longer command sequence which have an impact to the program flow. That's why the implementation has been changed to DMA transmission.
author Ideenmodellierer
date Mon, 28 Oct 2024 20:34:58 +0100
parents c78bcbd5deda
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_cec.h
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4 * @author MCD Application Team
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5 * @brief Header file of CEC HAL module.
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6 ******************************************************************************
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7 * @attention
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8 *
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9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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10 *
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11 * Redistribution and use in source and binary forms, with or without modification,
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12 * are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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15 * 2. Redistributions in binary form must reproduce the above copyright notice,
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16 * this list of conditions and the following disclaimer in the documentation
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17 * and/or other materials provided with the distribution.
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18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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19 * may be used to endorse or promote products derived from this software
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20 * without specific prior written permission.
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21 *
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 *
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33 ******************************************************************************
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34 */
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35
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36 /* Define to prevent recursive inclusion -------------------------------------*/
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37 #ifndef __STM32F4xx_HAL_CEC_H
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38 #define __STM32F4xx_HAL_CEC_H
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39
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40 #ifdef __cplusplus
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41 extern "C" {
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42 #endif
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43
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44 #if defined(STM32F446xx)
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45 /* Includes ------------------------------------------------------------------*/
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46 #include "stm32f4xx_hal_def.h"
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47
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48 /** @addtogroup STM32F4xx_HAL_Driver
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49 * @{
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50 */
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51
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52 /** @addtogroup CEC
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53 * @{
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54 */
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55
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56 /* Exported types ------------------------------------------------------------*/
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57 /** @defgroup CEC_Exported_Types CEC Exported Types
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58 * @{
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59 */
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60
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61 /**
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62 * @brief CEC Init Structure definition
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63 */
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64 typedef struct
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65 {
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66 uint32_t SignalFreeTime; /*!< Set SFT field, specifies the Signal Free Time.
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67 It can be one of @ref CEC_Signal_Free_Time
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68 and belongs to the set {0,...,7} where
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69 0x0 is the default configuration
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70 else means 0.5 + (SignalFreeTime - 1) nominal data bit periods */
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71
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72 uint32_t Tolerance; /*!< Set RXTOL bit, specifies the tolerance accepted on the received waveforms,
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73 it can be a value of @ref CEC_Tolerance : it is either CEC_STANDARD_TOLERANCE
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74 or CEC_EXTENDED_TOLERANCE */
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75
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76 uint32_t BRERxStop; /*!< Set BRESTP bit @ref CEC_BRERxStop : specifies whether or not a Bit Rising Error stops the reception.
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77 CEC_NO_RX_STOP_ON_BRE: reception is not stopped.
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78 CEC_RX_STOP_ON_BRE: reception is stopped. */
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79
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80 uint32_t BREErrorBitGen; /*!< Set BREGEN bit @ref CEC_BREErrorBitGen : specifies whether or not an Error-Bit is generated on the
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81 CEC line upon Bit Rising Error detection.
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82 CEC_BRE_ERRORBIT_NO_GENERATION: no error-bit generation.
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83 CEC_BRE_ERRORBIT_GENERATION: error-bit generation if BRESTP is set. */
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84
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85 uint32_t LBPEErrorBitGen; /*!< Set LBPEGEN bit @ref CEC_LBPEErrorBitGen : specifies whether or not an Error-Bit is generated on the
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86 CEC line upon Long Bit Period Error detection.
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87 CEC_LBPE_ERRORBIT_NO_GENERATION: no error-bit generation.
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88 CEC_LBPE_ERRORBIT_GENERATION: error-bit generation. */
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89
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90 uint32_t BroadcastMsgNoErrorBitGen; /*!< Set BRDNOGEN bit @ref CEC_BroadCastMsgErrorBitGen : allows to avoid an Error-Bit generation on the CEC line
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91 upon an error detected on a broadcast message.
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92
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93 It supersedes BREGEN and LBPEGEN bits for a broadcast message error handling. It can take two values:
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94
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95 1) CEC_BROADCASTERROR_ERRORBIT_GENERATION.
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96 a) BRE detection: error-bit generation on the CEC line if BRESTP=CEC_RX_STOP_ON_BRE
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97 and BREGEN=CEC_BRE_ERRORBIT_NO_GENERATION.
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98 b) LBPE detection: error-bit generation on the CEC line
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99 if LBPGEN=CEC_LBPE_ERRORBIT_NO_GENERATION.
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100
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101 2) CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION.
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102 no error-bit generation in case neither a) nor b) are satisfied. Additionally,
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103 there is no error-bit generation in case of Short Bit Period Error detection in
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104 a broadcast message while LSTN bit is set. */
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105
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106 uint32_t SignalFreeTimeOption; /*!< Set SFTOP bit @ref CEC_SFT_Option : specifies when SFT timer starts.
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107 CEC_SFT_START_ON_TXSOM SFT: timer starts when TXSOM is set by software.
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108 CEC_SFT_START_ON_TX_RX_END: SFT timer starts automatically at the end of message transmission/reception. */
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109
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110 uint32_t ListenMode; /*!< Set LSTN bit @ref CEC_Listening_Mode : specifies device listening mode. It can take two values:
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111
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112 CEC_REDUCED_LISTENING_MODE: CEC peripheral receives only message addressed to its
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113 own address (OAR). Messages addressed to different destination are ignored.
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114 Broadcast messages are always received.
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115
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116 CEC_FULL_LISTENING_MODE: CEC peripheral receives messages addressed to its own
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117 address (OAR) with positive acknowledge. Messages addressed to different destination
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118 are received, but without interfering with the CEC bus: no acknowledge sent. */
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119
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120 uint16_t OwnAddress; /*!< Own addresses configuration
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121 This parameter can be a value of @ref CEC_OWN_ADDRESS */
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122
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123 uint8_t *RxBuffer; /*!< CEC Rx buffer pointeur */
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124
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125
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126 }CEC_InitTypeDef;
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127
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128 /**
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129 * @brief HAL CEC State structures definition
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130 * @note HAL CEC State value is a combination of 2 different substates: gState and RxState.
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131 * - gState contains CEC state information related to global Handle management
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132 * and also information related to Tx operations.
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133 * gState value coding follow below described bitmap :
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134 * b7 (not used)
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135 * x : Should be set to 0
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136 * b6 Error information
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137 * 0 : No Error
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138 * 1 : Error
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139 * b5 IP initilisation status
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140 * 0 : Reset (IP not initialized)
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141 * 1 : Init done (IP initialized. HAL CEC Init function already called)
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142 * b4-b3 (not used)
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143 * xx : Should be set to 00
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144 * b2 Intrinsic process state
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145 * 0 : Ready
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146 * 1 : Busy (IP busy with some configuration or internal operations)
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147 * b1 (not used)
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148 * x : Should be set to 0
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149 * b0 Tx state
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150 * 0 : Ready (no Tx operation ongoing)
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151 * 1 : Busy (Tx operation ongoing)
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152 * - RxState contains information related to Rx operations.
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153 * RxState value coding follow below described bitmap :
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154 * b7-b6 (not used)
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155 * xx : Should be set to 00
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156 * b5 IP initilisation status
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157 * 0 : Reset (IP not initialized)
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158 * 1 : Init done (IP initialized)
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159 * b4-b2 (not used)
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160 * xxx : Should be set to 000
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161 * b1 Rx state
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162 * 0 : Ready (no Rx operation ongoing)
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163 * 1 : Busy (Rx operation ongoing)
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164 * b0 (not used)
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165 * x : Should be set to 0.
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166 */
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167 typedef enum
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168 {
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169 HAL_CEC_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized
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170 Value is allowed for gState and RxState */
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171 HAL_CEC_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use
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172 Value is allowed for gState and RxState */
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173 HAL_CEC_STATE_BUSY = 0x24U, /*!< an internal process is ongoing
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174 Value is allowed for gState only */
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175 HAL_CEC_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing
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176 Value is allowed for RxState only */
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177 HAL_CEC_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing
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178 Value is allowed for gState only */
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179 HAL_CEC_STATE_ERROR = 0x60U /*!< Error Value is allowed for gState only */
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180 }HAL_CEC_StateTypeDef;
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181
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182 /**
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183 * @brief CEC handle Structure definition
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184 */
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185 typedef struct
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186 {
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187 CEC_TypeDef *Instance; /*!< CEC registers base address */
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188
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189 CEC_InitTypeDef Init; /*!< CEC communication parameters */
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190
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191 uint8_t *pTxBuffPtr; /*!< Pointer to CEC Tx transfer Buffer */
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192
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193 uint16_t TxXferCount; /*!< CEC Tx Transfer Counter */
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194
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195 uint16_t RxXferSize; /*!< CEC Rx Transfer size, 0: header received only */
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196
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197 HAL_LockTypeDef Lock; /*!< Locking object */
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198
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199 HAL_CEC_StateTypeDef gState; /*!< CEC state information related to global Handle management
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200 and also related to Tx operations.
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201 This parameter can be a value of @ref HAL_CEC_StateTypeDef */
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202
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203 HAL_CEC_StateTypeDef RxState; /*!< CEC state information related to Rx operations.
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204 This parameter can be a value of @ref HAL_CEC_StateTypeDef */
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205
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206 uint32_t ErrorCode; /*!< For errors handling purposes, copy of ISR register
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207 in case error is reported */
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208 }CEC_HandleTypeDef;
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209 /**
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210 * @}
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211 */
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212
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213 /* Exported constants --------------------------------------------------------*/
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214 /** @defgroup CEC_Exported_Constants CEC Exported Constants
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215 * @{
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216 */
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217
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218 /** @defgroup CEC_Error_Code CEC Error Code
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219 * @{
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220 */
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221 #define HAL_CEC_ERROR_NONE 0x00000000U /*!< no error */
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222 #define HAL_CEC_ERROR_RXOVR CEC_ISR_RXOVR /*!< CEC Rx-Overrun */
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223 #define HAL_CEC_ERROR_BRE CEC_ISR_BRE /*!< CEC Rx Bit Rising Error */
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224 #define HAL_CEC_ERROR_SBPE CEC_ISR_SBPE /*!< CEC Rx Short Bit period Error */
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225 #define HAL_CEC_ERROR_LBPE CEC_ISR_LBPE /*!< CEC Rx Long Bit period Error */
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226 #define HAL_CEC_ERROR_RXACKE CEC_ISR_RXACKE /*!< CEC Rx Missing Acknowledge */
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227 #define HAL_CEC_ERROR_ARBLST CEC_ISR_ARBLST /*!< CEC Arbitration Lost */
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228 #define HAL_CEC_ERROR_TXUDR CEC_ISR_TXUDR /*!< CEC Tx-Buffer Underrun */
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229 #define HAL_CEC_ERROR_TXERR CEC_ISR_TXERR /*!< CEC Tx-Error */
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230 #define HAL_CEC_ERROR_TXACKE CEC_ISR_TXACKE /*!< CEC Tx Missing Acknowledge */
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231 /**
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232 * @}
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233 */
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234
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235 /** @defgroup CEC_Signal_Free_Time CEC Signal Free Time setting parameter
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236 * @{
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237 */
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238 #define CEC_DEFAULT_SFT 0x00000000U
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239 #define CEC_0_5_BITPERIOD_SFT 0x00000001U
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240 #define CEC_1_5_BITPERIOD_SFT 0x00000002U
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241 #define CEC_2_5_BITPERIOD_SFT 0x00000003U
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242 #define CEC_3_5_BITPERIOD_SFT 0x00000004U
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243 #define CEC_4_5_BITPERIOD_SFT 0x00000005U
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244 #define CEC_5_5_BITPERIOD_SFT 0x00000006U
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245 #define CEC_6_5_BITPERIOD_SFT 0x00000007U
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246 /**
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247 * @}
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248 */
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249
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250 /** @defgroup CEC_Tolerance CEC Receiver Tolerance
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251 * @{
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252 */
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253 #define CEC_STANDARD_TOLERANCE 0x00000000U
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254 #define CEC_EXTENDED_TOLERANCE ((uint32_t)CEC_CFGR_RXTOL)
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255 /**
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256 * @}
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257 */
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258
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259 /** @defgroup CEC_BRERxStop CEC Reception Stop on Error
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260 * @{
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261 */
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262 #define CEC_NO_RX_STOP_ON_BRE 0x00000000U
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263 #define CEC_RX_STOP_ON_BRE ((uint32_t)CEC_CFGR_BRESTP)
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264 /**
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265 * @}
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266 */
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267
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268 /** @defgroup CEC_BREErrorBitGen CEC Error Bit Generation if Bit Rise Error reported
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269 * @{
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270 */
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271 #define CEC_BRE_ERRORBIT_NO_GENERATION 0x00000000U
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272 #define CEC_BRE_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_BREGEN)
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273 /**
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274 * @}
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275 */
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276
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277 /** @defgroup CEC_LBPEErrorBitGen CEC Error Bit Generation if Long Bit Period Error reported
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278 * @{
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279 */
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280 #define CEC_LBPE_ERRORBIT_NO_GENERATION 0x00000000U
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281 #define CEC_LBPE_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_LBPEGEN)
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282 /**
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283 * @}
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284 */
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285
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286 /** @defgroup CEC_BroadCastMsgErrorBitGen CEC Error Bit Generation on Broadcast message
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287 * @{
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288 */
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289 #define CEC_BROADCASTERROR_ERRORBIT_GENERATION 0x00000000U
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290 #define CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION ((uint32_t)CEC_CFGR_BRDNOGEN)
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291 /**
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292 * @}
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293 */
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294
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295 /** @defgroup CEC_SFT_Option CEC Signal Free Time start option
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296 * @{
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297 */
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298 #define CEC_SFT_START_ON_TXSOM 0x00000000U
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299 #define CEC_SFT_START_ON_TX_RX_END ((uint32_t)CEC_CFGR_SFTOPT)
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300 /**
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301 * @}
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302 */
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303
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304 /** @defgroup CEC_Listening_Mode CEC Listening mode option
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305 * @{
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306 */
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307 #define CEC_REDUCED_LISTENING_MODE 0x00000000U
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308 #define CEC_FULL_LISTENING_MODE ((uint32_t)CEC_CFGR_LSTN)
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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 /** @defgroup CEC_OAR_Position CEC Device Own Address position in CEC CFGR register
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314 * @{
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315 */
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316 #define CEC_CFGR_OAR_LSB_POS 16U
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317 /**
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318 * @}
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319 */
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320
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321 /** @defgroup CEC_Initiator_Position CEC Initiator logical address position in message header
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322 * @{
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323 */
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324 #define CEC_INITIATOR_LSB_POS 4U
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325 /**
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326 * @}
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327 */
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328
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329 /** @defgroup CEC_OWN_ADDRESS CEC Own Address
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330 * @{
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331 */
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332 #define CEC_OWN_ADDRESS_NONE ((uint16_t)0x0000) /* Reset value */
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333 #define CEC_OWN_ADDRESS_0 ((uint16_t)0x0001) /* Logical Address 0 */
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334 #define CEC_OWN_ADDRESS_1 ((uint16_t)0x0002) /* Logical Address 1 */
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335 #define CEC_OWN_ADDRESS_2 ((uint16_t)0x0004) /* Logical Address 2 */
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336 #define CEC_OWN_ADDRESS_3 ((uint16_t)0x0008) /* Logical Address 3 */
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337 #define CEC_OWN_ADDRESS_4 ((uint16_t)0x0010) /* Logical Address 4 */
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338 #define CEC_OWN_ADDRESS_5 ((uint16_t)0x0020) /* Logical Address 5 */
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339 #define CEC_OWN_ADDRESS_6 ((uint16_t)0x0040) /* Logical Address 6 */
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340 #define CEC_OWN_ADDRESS_7 ((uint16_t)0x0080) /* Logical Address 7 */
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341 #define CEC_OWN_ADDRESS_8 ((uint16_t)0x0100) /* Logical Address 9 */
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342 #define CEC_OWN_ADDRESS_9 ((uint16_t)0x0200) /* Logical Address 10 */
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343 #define CEC_OWN_ADDRESS_10 ((uint16_t)0x0400) /* Logical Address 11 */
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344 #define CEC_OWN_ADDRESS_11 ((uint16_t)0x0800) /* Logical Address 12 */
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345 #define CEC_OWN_ADDRESS_12 ((uint16_t)0x1000) /* Logical Address 13 */
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346 #define CEC_OWN_ADDRESS_13 ((uint16_t)0x2000) /* Logical Address 14 */
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347 #define CEC_OWN_ADDRESS_14 ((uint16_t)0x4000) /* Logical Address 15 */
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348 /**
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349 * @}
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350 */
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351
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352 /** @defgroup CEC_Interrupts_Definitions CEC Interrupts definition
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353 * @{
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354 */
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355 #define CEC_IT_TXACKE CEC_IER_TXACKEIE
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356 #define CEC_IT_TXERR CEC_IER_TXERRIE
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357 #define CEC_IT_TXUDR CEC_IER_TXUDRIE
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358 #define CEC_IT_TXEND CEC_IER_TXENDIE
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359 #define CEC_IT_TXBR CEC_IER_TXBRIE
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360 #define CEC_IT_ARBLST CEC_IER_ARBLSTIE
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361 #define CEC_IT_RXACKE CEC_IER_RXACKEIE
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362 #define CEC_IT_LBPE CEC_IER_LBPEIE
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363 #define CEC_IT_SBPE CEC_IER_SBPEIE
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364 #define CEC_IT_BRE CEC_IER_BREIE
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365 #define CEC_IT_RXOVR CEC_IER_RXOVRIE
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366 #define CEC_IT_RXEND CEC_IER_RXENDIE
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367 #define CEC_IT_RXBR CEC_IER_RXBRIE
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368 /**
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369 * @}
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370 */
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371
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372 /** @defgroup CEC_Flags_Definitions CEC Flags definition
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373 * @{
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374 */
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375 #define CEC_FLAG_TXACKE CEC_ISR_TXACKE
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376 #define CEC_FLAG_TXERR CEC_ISR_TXERR
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377 #define CEC_FLAG_TXUDR CEC_ISR_TXUDR
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378 #define CEC_FLAG_TXEND CEC_ISR_TXEND
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379 #define CEC_FLAG_TXBR CEC_ISR_TXBR
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380 #define CEC_FLAG_ARBLST CEC_ISR_ARBLST
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381 #define CEC_FLAG_RXACKE CEC_ISR_RXACKE
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382 #define CEC_FLAG_LBPE CEC_ISR_LBPE
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383 #define CEC_FLAG_SBPE CEC_ISR_SBPE
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384 #define CEC_FLAG_BRE CEC_ISR_BRE
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385 #define CEC_FLAG_RXOVR CEC_ISR_RXOVR
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386 #define CEC_FLAG_RXEND CEC_ISR_RXEND
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387 #define CEC_FLAG_RXBR CEC_ISR_RXBR
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388 /**
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389 * @}
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390 */
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391
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392 /** @defgroup CEC_ALL_ERROR CEC all RX or TX errors flags
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393 * @{
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394 */
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395 #define CEC_ISR_ALL_ERROR ((uint32_t)CEC_ISR_RXOVR|CEC_ISR_BRE|CEC_ISR_SBPE|CEC_ISR_LBPE|CEC_ISR_RXACKE|\
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396 CEC_ISR_ARBLST|CEC_ISR_TXUDR|CEC_ISR_TXERR|CEC_ISR_TXACKE)
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397 /**
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398 * @}
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399 */
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400
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401 /** @defgroup CEC_IER_ALL_RX CEC all RX errors interrupts enabling flag
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402 * @{
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403 */
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404 #define CEC_IER_RX_ALL_ERR ((uint32_t)CEC_IER_RXACKEIE|CEC_IER_LBPEIE|CEC_IER_SBPEIE|CEC_IER_BREIE|CEC_IER_RXOVRIE)
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405 /**
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406 * @}
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407 */
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408
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409 /** @defgroup CEC_IER_ALL_TX CEC all TX errors interrupts enabling flag
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410 * @{
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411 */
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412 #define CEC_IER_TX_ALL_ERR ((uint32_t)CEC_IER_TXACKEIE|CEC_IER_TXERRIE|CEC_IER_TXUDRIE|CEC_IER_ARBLSTIE)
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413 /**
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414 * @}
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415 */
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416
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417 /**
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418 * @}
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419 */
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420
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421 /* Exported macros -----------------------------------------------------------*/
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422 /** @defgroup CEC_Exported_Macros CEC Exported Macros
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423 * @{
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424 */
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425
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426 /** @brief Reset CEC handle gstate & RxState
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427 * @param __HANDLE__ CEC handle.
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428 * @retval None
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429 */
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430 #define __HAL_CEC_RESET_HANDLE_STATE(__HANDLE__) do{ \
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431 (__HANDLE__)->gState = HAL_CEC_STATE_RESET; \
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432 (__HANDLE__)->RxState = HAL_CEC_STATE_RESET; \
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433 } while(0)
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434
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435 /** @brief Checks whether or not the specified CEC interrupt flag is set.
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436 * @param __HANDLE__ specifies the CEC Handle.
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437 * @param __FLAG__ specifies the flag to check.
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438 * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
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439 * @arg CEC_FLAG_TXERR: Tx Error.
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440 * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
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441 * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
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442 * @arg CEC_FLAG_TXBR: Tx-Byte Request.
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443 * @arg CEC_FLAG_ARBLST: Arbitration Lost
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444 * @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge
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445 * @arg CEC_FLAG_LBPE: Rx Long period Error
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446 * @arg CEC_FLAG_SBPE: Rx Short period Error
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447 * @arg CEC_FLAG_BRE: Rx Bit Rising Error
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448 * @arg CEC_FLAG_RXOVR: Rx Overrun.
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449 * @arg CEC_FLAG_RXEND: End Of Reception.
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450 * @arg CEC_FLAG_RXBR: Rx-Byte Received.
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451 * @retval ITStatus
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452 */
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453 #define __HAL_CEC_GET_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ISR & (__FLAG__))
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454
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455 /** @brief Clears the interrupt or status flag when raised (write at 1)
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456 * @param __HANDLE__ specifies the CEC Handle.
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457 * @param __FLAG__ specifies the interrupt/status flag to clear.
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458 * This parameter can be one of the following values:
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459 * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
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460 * @arg CEC_FLAG_TXERR: Tx Error.
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461 * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
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462 * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
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463 * @arg CEC_FLAG_TXBR: Tx-Byte Request.
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464 * @arg CEC_FLAG_ARBLST: Arbitration Lost
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465 * @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge
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466 * @arg CEC_FLAG_LBPE: Rx Long period Error
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467 * @arg CEC_FLAG_SBPE: Rx Short period Error
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468 * @arg CEC_FLAG_BRE: Rx Bit Rising Error
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469 * @arg CEC_FLAG_RXOVR: Rx Overrun.
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470 * @arg CEC_FLAG_RXEND: End Of Reception.
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471 * @arg CEC_FLAG_RXBR: Rx-Byte Received.
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472 * @retval none
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473 */
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474 #define __HAL_CEC_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ISR |= (__FLAG__))
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475
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476 /** @brief Enables the specified CEC interrupt.
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477 * @param __HANDLE__ specifies the CEC Handle.
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478 * @param __INTERRUPT__ specifies the CEC interrupt to enable.
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479 * This parameter can be one of the following values:
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480 * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable
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481 * @arg CEC_IT_TXERR: Tx Error IT Enable
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482 * @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable
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483 * @arg CEC_IT_TXEND: End of transmission IT Enable
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484 * @arg CEC_IT_TXBR: Tx-Byte Request IT Enable
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485 * @arg CEC_IT_ARBLST: Arbitration Lost IT Enable
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486 * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable
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487 * @arg CEC_IT_LBPE: Rx Long period Error IT Enable
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488 * @arg CEC_IT_SBPE: Rx Short period Error IT Enable
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489 * @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable
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490 * @arg CEC_IT_RXOVR: Rx Overrun IT Enable
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491 * @arg CEC_IT_RXEND: End Of Reception IT Enable
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492 * @arg CEC_IT_RXBR: Rx-Byte Received IT Enable
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493 * @retval none
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494 */
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495 #define __HAL_CEC_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER |= (__INTERRUPT__))
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496
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497 /** @brief Disables the specified CEC interrupt.
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498 * @param __HANDLE__ specifies the CEC Handle.
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499 * @param __INTERRUPT__ specifies the CEC interrupt to disable.
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500 * This parameter can be one of the following values:
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501 * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable
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502 * @arg CEC_IT_TXERR: Tx Error IT Enable
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503 * @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable
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504 * @arg CEC_IT_TXEND: End of transmission IT Enable
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505 * @arg CEC_IT_TXBR: Tx-Byte Request IT Enable
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506 * @arg CEC_IT_ARBLST: Arbitration Lost IT Enable
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507 * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable
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508 * @arg CEC_IT_LBPE: Rx Long period Error IT Enable
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509 * @arg CEC_IT_SBPE: Rx Short period Error IT Enable
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510 * @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable
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511 * @arg CEC_IT_RXOVR: Rx Overrun IT Enable
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512 * @arg CEC_IT_RXEND: End Of Reception IT Enable
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513 * @arg CEC_IT_RXBR: Rx-Byte Received IT Enable
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514 * @retval none
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515 */
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516 #define __HAL_CEC_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER &= (~(__INTERRUPT__)))
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517
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518 /** @brief Checks whether or not the specified CEC interrupt is enabled.
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519 * @param __HANDLE__ specifies the CEC Handle.
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520 * @param __INTERRUPT__ specifies the CEC interrupt to check.
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521 * This parameter can be one of the following values:
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522 * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error IT Enable
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523 * @arg CEC_IT_TXERR: Tx Error IT Enable
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524 * @arg CEC_IT_TXUDR: Tx-Buffer Underrun IT Enable
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525 * @arg CEC_IT_TXEND: End of transmission IT Enable
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526 * @arg CEC_IT_TXBR: Tx-Byte Request IT Enable
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527 * @arg CEC_IT_ARBLST: Arbitration Lost IT Enable
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528 * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge IT Enable
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529 * @arg CEC_IT_LBPE: Rx Long period Error IT Enable
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530 * @arg CEC_IT_SBPE: Rx Short period Error IT Enable
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531 * @arg CEC_IT_BRE: Rx Bit Rising Error IT Enable
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532 * @arg CEC_IT_RXOVR: Rx Overrun IT Enable
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533 * @arg CEC_IT_RXEND: End Of Reception IT Enable
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534 * @arg CEC_IT_RXBR: Rx-Byte Received IT Enable
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535 * @retval FlagStatus
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536 */
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537 #define __HAL_CEC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->IER & (__INTERRUPT__))
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538
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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539 /** @brief Enables the CEC device
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540 * @param __HANDLE__ specifies the CEC Handle.
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541 * @retval none
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542 */
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543 #define __HAL_CEC_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_CECEN)
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544
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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545 /** @brief Disables the CEC device
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546 * @param __HANDLE__ specifies the CEC Handle.
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547 * @retval none
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548 */
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549 #define __HAL_CEC_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~CEC_CR_CECEN)
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550
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551 /** @brief Set Transmission Start flag
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552 * @param __HANDLE__ specifies the CEC Handle.
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553 * @retval none
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554 */
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555 #define __HAL_CEC_FIRST_BYTE_TX_SET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_TXSOM)
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556
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557 /** @brief Set Transmission End flag
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558 * @param __HANDLE__ specifies the CEC Handle.
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559 * @retval none
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560 * If the CEC message consists of only one byte, TXEOM must be set before of TXSOM.
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561 */
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562 #define __HAL_CEC_LAST_BYTE_TX_SET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CEC_CR_TXEOM)
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563
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564 /** @brief Get Transmission Start flag
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565 * @param __HANDLE__ specifies the CEC Handle.
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566 * @retval FlagStatus
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567 */
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568 #define __HAL_CEC_GET_TRANSMISSION_START_FLAG(__HANDLE__) ((__HANDLE__)->Instance->CR & CEC_CR_TXSOM)
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569
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570 /** @brief Get Transmission End flag
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571 * @param __HANDLE__ specifies the CEC Handle.
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572 * @retval FlagStatus
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573 */
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574 #define __HAL_CEC_GET_TRANSMISSION_END_FLAG(__HANDLE__) ((__HANDLE__)->Instance->CR & CEC_CR_TXEOM)
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575
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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576 /** @brief Clear OAR register
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577 * @param __HANDLE__ specifies the CEC Handle.
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578 * @retval none
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579 */
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580 #define __HAL_CEC_CLEAR_OAR(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CFGR, CEC_CFGR_OAR)
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581
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582 /** @brief Set OAR register (without resetting previously set address in case of multi-address mode)
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583 * To reset OAR, __HAL_CEC_CLEAR_OAR() needs to be called beforehand
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584 * @param __HANDLE__ specifies the CEC Handle.
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585 * @param __ADDRESS__ Own Address value (CEC logical address is identified by bit position)
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586 * @retval none
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587 */
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588 #define __HAL_CEC_SET_OAR(__HANDLE__,__ADDRESS__) SET_BIT((__HANDLE__)->Instance->CFGR, (__ADDRESS__)<< CEC_CFGR_OAR_LSB_POS)
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589
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590 /**
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591 * @}
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592 */
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593
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594 /* Exported functions --------------------------------------------------------*/
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595 /** @addtogroup CEC_Exported_Functions
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596 * @{
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597 */
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598
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599 /** @addtogroup CEC_Exported_Functions_Group1
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600 * @{
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601 */
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602 /* Initialization and de-initialization functions ****************************/
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603 HAL_StatusTypeDef HAL_CEC_Init(CEC_HandleTypeDef *hcec);
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604 HAL_StatusTypeDef HAL_CEC_DeInit(CEC_HandleTypeDef *hcec);
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605 HAL_StatusTypeDef HAL_CEC_SetDeviceAddress(CEC_HandleTypeDef *hcec, uint16_t CEC_OwnAddress);
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606 void HAL_CEC_MspInit(CEC_HandleTypeDef *hcec);
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607 void HAL_CEC_MspDeInit(CEC_HandleTypeDef *hcec);
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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 /** @addtogroup CEC_Exported_Functions_Group2
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613 * @{
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614 */
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615 /* I/O operation functions ***************************************************/
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616 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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617 uint32_t HAL_CEC_GetLastReceivedFrameSize(CEC_HandleTypeDef *hcec);
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618 void HAL_CEC_ChangeRxBuffer(CEC_HandleTypeDef *hcec, uint8_t* Rxbuffer);
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619 void HAL_CEC_IRQHandler(CEC_HandleTypeDef *hcec);
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620 void HAL_CEC_TxCpltCallback(CEC_HandleTypeDef *hcec);
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621 void HAL_CEC_RxCpltCallback(CEC_HandleTypeDef *hcec, uint32_t RxFrameSize);
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622 void HAL_CEC_ErrorCallback(CEC_HandleTypeDef *hcec);
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623 /**
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624 * @}
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625 */
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626
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627 /** @addtogroup CEC_Exported_Functions_Group3
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628 * @{
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629 */
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630 /* Peripheral State functions ************************************************/
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631 HAL_CEC_StateTypeDef HAL_CEC_GetState(CEC_HandleTypeDef *hcec);
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632 uint32_t HAL_CEC_GetError(CEC_HandleTypeDef *hcec);
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633 /**
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634 * @}
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635 */
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636
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637 /**
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638 * @}
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639 */
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640
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641 /* Private types -------------------------------------------------------------*/
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642 /** @defgroup CEC_Private_Types CEC Private Types
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643 * @{
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644 */
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645
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646 /**
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647 * @}
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648 */
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649
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650 /* Private variables ---------------------------------------------------------*/
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651 /** @defgroup CEC_Private_Variables CEC Private Variables
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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 /* Private constants ---------------------------------------------------------*/
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660 /** @defgroup CEC_Private_Constants CEC Private Constants
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661 * @{
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662 */
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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 /* Private macros ------------------------------------------------------------*/
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669 /** @defgroup CEC_Private_Macros CEC Private Macros
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670 * @{
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671 */
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672
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673 #define IS_CEC_SIGNALFREETIME(__SFT__) ((__SFT__) <= CEC_CFGR_SFT)
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674
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675 #define IS_CEC_TOLERANCE(__RXTOL__) (((__RXTOL__) == CEC_STANDARD_TOLERANCE) || \
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676 ((__RXTOL__) == CEC_EXTENDED_TOLERANCE))
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677
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678 #define IS_CEC_BRERXSTOP(__BRERXSTOP__) (((__BRERXSTOP__) == CEC_NO_RX_STOP_ON_BRE) || \
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679 ((__BRERXSTOP__) == CEC_RX_STOP_ON_BRE))
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680
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681 #define IS_CEC_BREERRORBITGEN(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_BRE_ERRORBIT_NO_GENERATION) || \
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682 ((__ERRORBITGEN__) == CEC_BRE_ERRORBIT_GENERATION))
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683
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684 #define IS_CEC_LBPEERRORBITGEN(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_LBPE_ERRORBIT_NO_GENERATION) || \
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685 ((__ERRORBITGEN__) == CEC_LBPE_ERRORBIT_GENERATION))
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686
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687 #define IS_CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION(__ERRORBITGEN__) (((__ERRORBITGEN__) == CEC_BROADCASTERROR_ERRORBIT_GENERATION) || \
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688 ((__ERRORBITGEN__) == CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION))
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689
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690 #define IS_CEC_SFTOP(__SFTOP__) (((__SFTOP__) == CEC_SFT_START_ON_TXSOM) || \
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691 ((__SFTOP__) == CEC_SFT_START_ON_TX_RX_END))
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692
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693 #define IS_CEC_LISTENING_MODE(__MODE__) (((__MODE__) == CEC_REDUCED_LISTENING_MODE) || \
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694 ((__MODE__) == CEC_FULL_LISTENING_MODE))
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695
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696 /** @brief Check CEC message size.
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697 * The message size is the payload size: without counting the header,
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698 * it varies from 0 byte (ping operation, one header only, no payload) to
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699 * 15 bytes (1 opcode and up to 14 operands following the header).
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700 * @param __SIZE__ CEC message size.
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701 * @retval Test result (TRUE or FALSE).
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702 */
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703 #define IS_CEC_MSGSIZE(__SIZE__) ((__SIZE__) <= 0x10U)
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704
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705 /** @brief Check CEC device Own Address Register (OAR) setting.
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706 * OAR address is written in a 15-bit field within CEC_CFGR register.
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707 * @param __ADDRESS__ CEC own address.
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708 * @retval Test result (TRUE or FALSE).
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709 */
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710 #define IS_CEC_OWN_ADDRESS(__ADDRESS__) ((__ADDRESS__) <= 0x7FFFU)
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711
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712 /** @brief Check CEC initiator or destination logical address setting.
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713 * Initiator and destination addresses are coded over 4 bits.
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714 * @param __ADDRESS__ CEC initiator or logical address.
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715 * @retval Test result (TRUE or FALSE).
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716 */
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717 #define IS_CEC_ADDRESS(__ADDRESS__) ((__ADDRESS__) <= 0x0FU)
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718 /**
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719 * @}
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720 */
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721 /* Private functions ---------------------------------------------------------*/
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722 /** @defgroup CEC_Private_Functions CEC Private Functions
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723 * @{
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724 */
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725
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726 /**
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727 * @}
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728 */
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729
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730 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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731 * @}
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732 */
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733
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734 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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735 * @}
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736 */
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737 #endif /* STM32F446xx */
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738
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739 #ifdef __cplusplus
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740 }
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741 #endif
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742
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743 #endif /* __STM32F4xx_HAL_CEC_H */
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744
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745 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/