Mercurial > public > ostc4
view Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_gpio.c @ 546:daa8d4474ba0
Added new settings for Viewport:
A parameter for enabling/disabling is needed as well as the angle values used to define the viewport
author | Ideenmodellierer |
---|---|
date | Mon, 02 Nov 2020 21:15:42 +0100 |
parents | c78bcbd5deda |
children |
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/** ****************************************************************************** * @file stm32f4xx_ll_gpio.c * @author MCD Application Team * @brief GPIO LL module driver. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ #if defined(USE_FULL_LL_DRIVER) /* Includes ------------------------------------------------------------------*/ #include "stm32f4xx_ll_gpio.h" #include "stm32f4xx_ll_bus.h" #ifdef USE_FULL_ASSERT #include "stm32_assert.h" #else #define assert_param(expr) ((void)0U) #endif /** @addtogroup STM32F4xx_LL_Driver * @{ */ #if defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) || defined (GPIOG) || defined (GPIOH) || defined (GPIOI) || defined (GPIOJ) || defined (GPIOK) /** @addtogroup GPIO_LL * @{ */ /* Private types -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private constants ---------------------------------------------------------*/ /* Private macros ------------------------------------------------------------*/ /** @addtogroup GPIO_LL_Private_Macros * @{ */ #define IS_LL_GPIO_PIN(__VALUE__) (((0x00000000U) < (__VALUE__)) && ((__VALUE__) <= (LL_GPIO_PIN_ALL))) #define IS_LL_GPIO_MODE(__VALUE__) (((__VALUE__) == LL_GPIO_MODE_INPUT) ||\ ((__VALUE__) == LL_GPIO_MODE_OUTPUT) ||\ ((__VALUE__) == LL_GPIO_MODE_ALTERNATE) ||\ ((__VALUE__) == LL_GPIO_MODE_ANALOG)) #define IS_LL_GPIO_OUTPUT_TYPE(__VALUE__) (((__VALUE__) == LL_GPIO_OUTPUT_PUSHPULL) ||\ ((__VALUE__) == LL_GPIO_OUTPUT_OPENDRAIN)) #define IS_LL_GPIO_SPEED(__VALUE__) (((__VALUE__) == LL_GPIO_SPEED_FREQ_LOW) ||\ ((__VALUE__) == LL_GPIO_SPEED_FREQ_MEDIUM) ||\ ((__VALUE__) == LL_GPIO_SPEED_FREQ_HIGH) ||\ ((__VALUE__) == LL_GPIO_SPEED_FREQ_VERY_HIGH)) #define IS_LL_GPIO_PULL(__VALUE__) (((__VALUE__) == LL_GPIO_PULL_NO) ||\ ((__VALUE__) == LL_GPIO_PULL_UP) ||\ ((__VALUE__) == LL_GPIO_PULL_DOWN)) #define IS_LL_GPIO_ALTERNATE(__VALUE__) (((__VALUE__) == LL_GPIO_AF_0 ) ||\ ((__VALUE__) == LL_GPIO_AF_1 ) ||\ ((__VALUE__) == LL_GPIO_AF_2 ) ||\ ((__VALUE__) == LL_GPIO_AF_3 ) ||\ ((__VALUE__) == LL_GPIO_AF_4 ) ||\ ((__VALUE__) == LL_GPIO_AF_5 ) ||\ ((__VALUE__) == LL_GPIO_AF_6 ) ||\ ((__VALUE__) == LL_GPIO_AF_7 ) ||\ ((__VALUE__) == LL_GPIO_AF_8 ) ||\ ((__VALUE__) == LL_GPIO_AF_9 ) ||\ ((__VALUE__) == LL_GPIO_AF_10 ) ||\ ((__VALUE__) == LL_GPIO_AF_11 ) ||\ ((__VALUE__) == LL_GPIO_AF_12 ) ||\ ((__VALUE__) == LL_GPIO_AF_13 ) ||\ ((__VALUE__) == LL_GPIO_AF_14 ) ||\ ((__VALUE__) == LL_GPIO_AF_15 )) /** * @} */ /* Private function prototypes -----------------------------------------------*/ /* Exported functions --------------------------------------------------------*/ /** @addtogroup GPIO_LL_Exported_Functions * @{ */ /** @addtogroup GPIO_LL_EF_Init * @{ */ /** * @brief De-initialize GPIO registers (Registers restored to their default values). * @param GPIOx GPIO Port * @retval An ErrorStatus enumeration value: * - SUCCESS: GPIO registers are de-initialized * - ERROR: Wrong GPIO Port */ ErrorStatus LL_GPIO_DeInit(GPIO_TypeDef *GPIOx) { ErrorStatus status = SUCCESS; /* Check the parameters */ assert_param(IS_GPIO_ALL_INSTANCE(GPIOx)); /* Force and Release reset on clock of GPIOx Port */ if (GPIOx == GPIOA) { LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOA); LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOA); } else if (GPIOx == GPIOB) { LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOB); LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOB); } else if (GPIOx == GPIOC) { LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOC); LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOC); } #if defined(GPIOD) else if (GPIOx == GPIOD) { LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOD); LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOD); } #endif /* GPIOD */ #if defined(GPIOE) else if (GPIOx == GPIOE) { LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOE); LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOE); } #endif /* GPIOE */ #if defined(GPIOF) else if (GPIOx == GPIOF) { LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOF); LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOF); } #endif /* GPIOF */ #if defined(GPIOG) else if (GPIOx == GPIOG) { LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOG); LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOG); } #endif /* GPIOG */ #if defined(GPIOH) else if (GPIOx == GPIOH) { LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOH); LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOH); } #endif /* GPIOH */ #if defined(GPIOI) else if (GPIOx == GPIOI) { LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOI); LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOI); } #endif /* GPIOI */ #if defined(GPIOJ) else if (GPIOx == GPIOJ) { LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOJ); LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOJ); } #endif /* GPIOJ */ #if defined(GPIOK) else if (GPIOx == GPIOK) { LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOK); LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOK); } #endif /* GPIOK */ else { status = ERROR; } return (status); } /** * @brief Initialize GPIO registers according to the specified parameters in GPIO_InitStruct. * @param GPIOx GPIO Port * @param GPIO_InitStruct pointer to a @ref LL_GPIO_InitTypeDef structure * that contains the configuration information for the specified GPIO peripheral. * @retval An ErrorStatus enumeration value: * - SUCCESS: GPIO registers are initialized according to GPIO_InitStruct content * - ERROR: Not applicable */ ErrorStatus LL_GPIO_Init(GPIO_TypeDef *GPIOx, LL_GPIO_InitTypeDef *GPIO_InitStruct) { uint32_t pinpos = 0x00000000U; uint32_t currentpin = 0x00000000U; /* Check the parameters */ assert_param(IS_GPIO_ALL_INSTANCE(GPIOx)); assert_param(IS_LL_GPIO_PIN(GPIO_InitStruct->Pin)); assert_param(IS_LL_GPIO_MODE(GPIO_InitStruct->Mode)); assert_param(IS_LL_GPIO_PULL(GPIO_InitStruct->Pull)); /* ------------------------- Configure the port pins ---------------- */ /* Initialize pinpos on first pin set */ pinpos = POSITION_VAL(GPIO_InitStruct->Pin); /* Configure the port pins */ while (((GPIO_InitStruct->Pin) >> pinpos) != 0x00000000U) { /* Get current io position */ currentpin = (GPIO_InitStruct->Pin) & (0x00000001U << pinpos); if (currentpin) { /* Pin Mode configuration */ LL_GPIO_SetPinMode(GPIOx, currentpin, GPIO_InitStruct->Mode); if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE)) { /* Check Speed mode parameters */ assert_param(IS_LL_GPIO_SPEED(GPIO_InitStruct->Speed)); /* Speed mode configuration */ LL_GPIO_SetPinSpeed(GPIOx, currentpin, GPIO_InitStruct->Speed); } /* Pull-up Pull down resistor configuration*/ LL_GPIO_SetPinPull(GPIOx, currentpin, GPIO_InitStruct->Pull); if (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE) { /* Check Alternate parameter */ assert_param(IS_LL_GPIO_ALTERNATE(GPIO_InitStruct->Alternate)); /* Speed mode configuration */ if (POSITION_VAL(currentpin) < 0x00000008U) { LL_GPIO_SetAFPin_0_7(GPIOx, currentpin, GPIO_InitStruct->Alternate); } else { LL_GPIO_SetAFPin_8_15(GPIOx, currentpin, GPIO_InitStruct->Alternate); } } } pinpos++; } if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE)) { /* Check Output mode parameters */ assert_param(IS_LL_GPIO_OUTPUT_TYPE(GPIO_InitStruct->OutputType)); /* Output mode configuration*/ LL_GPIO_SetPinOutputType(GPIOx, GPIO_InitStruct->Pin, GPIO_InitStruct->OutputType); } return (SUCCESS); } /** * @brief Set each @ref LL_GPIO_InitTypeDef field to default value. * @param GPIO_InitStruct pointer to a @ref LL_GPIO_InitTypeDef structure * whose fields will be set to default values. * @retval None */ void LL_GPIO_StructInit(LL_GPIO_InitTypeDef *GPIO_InitStruct) { /* Reset GPIO init structure parameters values */ GPIO_InitStruct->Pin = LL_GPIO_PIN_ALL; GPIO_InitStruct->Mode = LL_GPIO_MODE_ANALOG; GPIO_InitStruct->Speed = LL_GPIO_SPEED_FREQ_LOW; GPIO_InitStruct->OutputType = LL_GPIO_OUTPUT_PUSHPULL; GPIO_InitStruct->Pull = LL_GPIO_PULL_NO; GPIO_InitStruct->Alternate = LL_GPIO_AF_0; } /** * @} */ /** * @} */ /** * @} */ #endif /* defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) || defined (GPIOG) || defined (GPIOH) || defined (GPIOI) || defined (GPIOJ) || defined (GPIOK) */ /** * @} */ #endif /* USE_FULL_LL_DRIVER */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/