| /** |
| ****************************************************************************** |
| * @file stm32f0xx_ll_gpio.h |
| * @author MCD Application Team |
| * @brief Header file of GPIO LL module. |
| ****************************************************************************** |
| * @attention |
| * |
| * <h2><center>© Copyright (c) 2016 STMicroelectronics. |
| * All rights reserved.</center></h2> |
| * |
| * This software component is licensed by ST under BSD 3-Clause license, |
| * the "License"; You may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at: |
| * opensource.org/licenses/BSD-3-Clause |
| * |
| ****************************************************************************** |
| */ |
| |
| /* Define to prevent recursive inclusion -------------------------------------*/ |
| #ifndef __STM32F0xx_LL_GPIO_H |
| #define __STM32F0xx_LL_GPIO_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32f0xx.h" |
| |
| /** @addtogroup STM32F0xx_LL_Driver |
| * @{ |
| */ |
| |
| #if defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) |
| |
| /** @defgroup GPIO_LL GPIO |
| * @{ |
| */ |
| |
| /* Private types -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Private constants ---------------------------------------------------------*/ |
| /* Private macros ------------------------------------------------------------*/ |
| #if defined(USE_FULL_LL_DRIVER) |
| /** @defgroup GPIO_LL_Private_Macros GPIO Private Macros |
| * @{ |
| */ |
| |
| /** |
| * @} |
| */ |
| #endif /*USE_FULL_LL_DRIVER*/ |
| |
| /* Exported types ------------------------------------------------------------*/ |
| #if defined(USE_FULL_LL_DRIVER) |
| /** @defgroup GPIO_LL_ES_INIT GPIO Exported Init structures |
| * @{ |
| */ |
| |
| /** |
| * @brief LL GPIO Init Structure definition |
| */ |
| typedef struct |
| { |
| uint32_t Pin; /*!< Specifies the GPIO pins to be configured. |
| This parameter can be any value of @ref GPIO_LL_EC_PIN */ |
| |
| uint32_t Mode; /*!< Specifies the operating mode for the selected pins. |
| This parameter can be a value of @ref GPIO_LL_EC_MODE. |
| |
| GPIO HW configuration can be modified afterwards using unitary function @ref LL_GPIO_SetPinMode().*/ |
| |
| uint32_t Speed; /*!< Specifies the speed for the selected pins. |
| This parameter can be a value of @ref GPIO_LL_EC_SPEED. |
| |
| GPIO HW configuration can be modified afterwards using unitary function @ref LL_GPIO_SetPinSpeed().*/ |
| |
| uint32_t OutputType; /*!< Specifies the operating output type for the selected pins. |
| This parameter can be a value of @ref GPIO_LL_EC_OUTPUT. |
| |
| GPIO HW configuration can be modified afterwards using unitary function @ref LL_GPIO_SetPinOutputType().*/ |
| |
| uint32_t Pull; /*!< Specifies the operating Pull-up/Pull down for the selected pins. |
| This parameter can be a value of @ref GPIO_LL_EC_PULL. |
| |
| GPIO HW configuration can be modified afterwards using unitary function @ref LL_GPIO_SetPinPull().*/ |
| |
| uint32_t Alternate; /*!< Specifies the Peripheral to be connected to the selected pins. |
| This parameter can be a value of @ref GPIO_LL_EC_AF. |
| |
| GPIO HW configuration can be modified afterwards using unitary function @ref LL_GPIO_SetAFPin_0_7() and LL_GPIO_SetAFPin_8_15().*/ |
| } LL_GPIO_InitTypeDef; |
| |
| /** |
| * @} |
| */ |
| #endif /* USE_FULL_LL_DRIVER */ |
| |
| /* Exported constants --------------------------------------------------------*/ |
| /** @defgroup GPIO_LL_Exported_Constants GPIO Exported Constants |
| * @{ |
| */ |
| |
| /** @defgroup GPIO_LL_EC_PIN PIN |
| * @{ |
| */ |
| #define LL_GPIO_PIN_0 GPIO_BSRR_BS_0 /*!< Select pin 0 */ |
| #define LL_GPIO_PIN_1 GPIO_BSRR_BS_1 /*!< Select pin 1 */ |
| #define LL_GPIO_PIN_2 GPIO_BSRR_BS_2 /*!< Select pin 2 */ |
| #define LL_GPIO_PIN_3 GPIO_BSRR_BS_3 /*!< Select pin 3 */ |
| #define LL_GPIO_PIN_4 GPIO_BSRR_BS_4 /*!< Select pin 4 */ |
| #define LL_GPIO_PIN_5 GPIO_BSRR_BS_5 /*!< Select pin 5 */ |
| #define LL_GPIO_PIN_6 GPIO_BSRR_BS_6 /*!< Select pin 6 */ |
| #define LL_GPIO_PIN_7 GPIO_BSRR_BS_7 /*!< Select pin 7 */ |
| #define LL_GPIO_PIN_8 GPIO_BSRR_BS_8 /*!< Select pin 8 */ |
| #define LL_GPIO_PIN_9 GPIO_BSRR_BS_9 /*!< Select pin 9 */ |
| #define LL_GPIO_PIN_10 GPIO_BSRR_BS_10 /*!< Select pin 10 */ |
| #define LL_GPIO_PIN_11 GPIO_BSRR_BS_11 /*!< Select pin 11 */ |
| #define LL_GPIO_PIN_12 GPIO_BSRR_BS_12 /*!< Select pin 12 */ |
| #define LL_GPIO_PIN_13 GPIO_BSRR_BS_13 /*!< Select pin 13 */ |
| #define LL_GPIO_PIN_14 GPIO_BSRR_BS_14 /*!< Select pin 14 */ |
| #define LL_GPIO_PIN_15 GPIO_BSRR_BS_15 /*!< Select pin 15 */ |
| #define LL_GPIO_PIN_ALL (GPIO_BSRR_BS_0 | GPIO_BSRR_BS_1 | GPIO_BSRR_BS_2 | \ |
| GPIO_BSRR_BS_3 | GPIO_BSRR_BS_4 | GPIO_BSRR_BS_5 | \ |
| GPIO_BSRR_BS_6 | GPIO_BSRR_BS_7 | GPIO_BSRR_BS_8 | \ |
| GPIO_BSRR_BS_9 | GPIO_BSRR_BS_10 | GPIO_BSRR_BS_11 | \ |
| GPIO_BSRR_BS_12 | GPIO_BSRR_BS_13 | GPIO_BSRR_BS_14 | \ |
| GPIO_BSRR_BS_15) /*!< Select all pins */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup GPIO_LL_EC_MODE Mode |
| * @{ |
| */ |
| #define LL_GPIO_MODE_INPUT (0x00000000U) /*!< Select input mode */ |
| #define LL_GPIO_MODE_OUTPUT GPIO_MODER_MODER0_0 /*!< Select output mode */ |
| #define LL_GPIO_MODE_ALTERNATE GPIO_MODER_MODER0_1 /*!< Select alternate function mode */ |
| #define LL_GPIO_MODE_ANALOG GPIO_MODER_MODER0 /*!< Select analog mode */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup GPIO_LL_EC_OUTPUT Output Type |
| * @{ |
| */ |
| #define LL_GPIO_OUTPUT_PUSHPULL (0x00000000U) /*!< Select push-pull as output type */ |
| #define LL_GPIO_OUTPUT_OPENDRAIN GPIO_OTYPER_OT_0 /*!< Select open-drain as output type */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup GPIO_LL_EC_SPEED Output Speed |
| * @{ |
| */ |
| #define LL_GPIO_SPEED_FREQ_LOW (0x00000000U) /*!< Select I/O low output speed */ |
| #define LL_GPIO_SPEED_FREQ_MEDIUM GPIO_OSPEEDR_OSPEEDR0_0 /*!< Select I/O medium output speed */ |
| #define LL_GPIO_SPEED_FREQ_HIGH GPIO_OSPEEDR_OSPEEDR0 /*!< Select I/O high output speed */ |
| /** |
| * @} |
| */ |
| #define LL_GPIO_SPEED_LOW LL_GPIO_SPEED_FREQ_LOW |
| #define LL_GPIO_SPEED_MEDIUM LL_GPIO_SPEED_FREQ_MEDIUM |
| #define LL_GPIO_SPEED_HIGH LL_GPIO_SPEED_FREQ_HIGH |
| |
| /** @defgroup GPIO_LL_EC_PULL Pull Up Pull Down |
| * @{ |
| */ |
| #define LL_GPIO_PULL_NO (0x00000000U) /*!< Select I/O no pull */ |
| #define LL_GPIO_PULL_UP GPIO_PUPDR_PUPDR0_0 /*!< Select I/O pull up */ |
| #define LL_GPIO_PULL_DOWN GPIO_PUPDR_PUPDR0_1 /*!< Select I/O pull down */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup GPIO_LL_EC_AF Alternate Function |
| * @{ |
| */ |
| #define LL_GPIO_AF_0 (0x0000000U) /*!< Select alternate function 0 */ |
| #define LL_GPIO_AF_1 (0x0000001U) /*!< Select alternate function 1 */ |
| #define LL_GPIO_AF_2 (0x0000002U) /*!< Select alternate function 2 */ |
| #define LL_GPIO_AF_3 (0x0000003U) /*!< Select alternate function 3 */ |
| #define LL_GPIO_AF_4 (0x0000004U) /*!< Select alternate function 4 */ |
| #define LL_GPIO_AF_5 (0x0000005U) /*!< Select alternate function 5 */ |
| #define LL_GPIO_AF_6 (0x0000006U) /*!< Select alternate function 6 */ |
| #define LL_GPIO_AF_7 (0x0000007U) /*!< Select alternate function 7 */ |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported macro ------------------------------------------------------------*/ |
| /** @defgroup GPIO_LL_Exported_Macros GPIO Exported Macros |
| * @{ |
| */ |
| |
| /** @defgroup GPIO_LL_EM_WRITE_READ Common Write and read registers Macros |
| * @{ |
| */ |
| |
| /** |
| * @brief Write a value in GPIO register |
| * @param __INSTANCE__ GPIO Instance |
| * @param __REG__ Register to be written |
| * @param __VALUE__ Value to be written in the register |
| * @retval None |
| */ |
| #define LL_GPIO_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) |
| |
| /** |
| * @brief Read a value in GPIO register |
| * @param __INSTANCE__ GPIO Instance |
| * @param __REG__ Register to be read |
| * @retval Register value |
| */ |
| #define LL_GPIO_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported functions --------------------------------------------------------*/ |
| /** @defgroup GPIO_LL_Exported_Functions GPIO Exported Functions |
| * @{ |
| */ |
| |
| /** @defgroup GPIO_LL_EF_Port_Configuration Port Configuration |
| * @{ |
| */ |
| |
| /** |
| * @brief Configure gpio mode for a dedicated pin on dedicated port. |
| * @note I/O mode can be Input mode, General purpose output, Alternate function mode or Analog. |
| * @note Warning: only one pin can be passed as parameter. |
| * @rmtoll MODER MODEy LL_GPIO_SetPinMode |
| * @param GPIOx GPIO Port |
| * @param Pin This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @param Mode This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_MODE_INPUT |
| * @arg @ref LL_GPIO_MODE_OUTPUT |
| * @arg @ref LL_GPIO_MODE_ALTERNATE |
| * @arg @ref LL_GPIO_MODE_ANALOG |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_GPIO_SetPinMode(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Mode) |
| { |
| MODIFY_REG(GPIOx->MODER, ((Pin * Pin) * GPIO_MODER_MODER0), ((Pin * Pin) * Mode)); |
| } |
| |
| /** |
| * @brief Return gpio mode for a dedicated pin on dedicated port. |
| * @note I/O mode can be Input mode, General purpose output, Alternate function mode or Analog. |
| * @note Warning: only one pin can be passed as parameter. |
| * @rmtoll MODER MODEy LL_GPIO_GetPinMode |
| * @param GPIOx GPIO Port |
| * @param Pin This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @retval Returned value can be one of the following values: |
| * @arg @ref LL_GPIO_MODE_INPUT |
| * @arg @ref LL_GPIO_MODE_OUTPUT |
| * @arg @ref LL_GPIO_MODE_ALTERNATE |
| * @arg @ref LL_GPIO_MODE_ANALOG |
| */ |
| __STATIC_INLINE uint32_t LL_GPIO_GetPinMode(GPIO_TypeDef *GPIOx, uint32_t Pin) |
| { |
| return (uint32_t)(READ_BIT(GPIOx->MODER, ((Pin * Pin) * GPIO_MODER_MODER0)) / (Pin * Pin)); |
| } |
| |
| /** |
| * @brief Configure gpio output type for several pins on dedicated port. |
| * @note Output type as to be set when gpio pin is in output or |
| * alternate modes. Possible type are Push-pull or Open-drain. |
| * @rmtoll OTYPER OTy LL_GPIO_SetPinOutputType |
| * @param GPIOx GPIO Port |
| * @param PinMask This parameter can be a combination of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @arg @ref LL_GPIO_PIN_ALL |
| * @param OutputType This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_OUTPUT_PUSHPULL |
| * @arg @ref LL_GPIO_OUTPUT_OPENDRAIN |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_GPIO_SetPinOutputType(GPIO_TypeDef *GPIOx, uint32_t PinMask, uint32_t OutputType) |
| { |
| MODIFY_REG(GPIOx->OTYPER, PinMask, (PinMask * OutputType)); |
| } |
| |
| /** |
| * @brief Return gpio output type for several pins on dedicated port. |
| * @note Output type as to be set when gpio pin is in output or |
| * alternate modes. Possible type are Push-pull or Open-drain. |
| * @note Warning: only one pin can be passed as parameter. |
| * @rmtoll OTYPER OTy LL_GPIO_GetPinOutputType |
| * @param GPIOx GPIO Port |
| * @param Pin This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @arg @ref LL_GPIO_PIN_ALL |
| * @retval Returned value can be one of the following values: |
| * @arg @ref LL_GPIO_OUTPUT_PUSHPULL |
| * @arg @ref LL_GPIO_OUTPUT_OPENDRAIN |
| */ |
| __STATIC_INLINE uint32_t LL_GPIO_GetPinOutputType(GPIO_TypeDef *GPIOx, uint32_t Pin) |
| { |
| return (uint32_t)(READ_BIT(GPIOx->OTYPER, Pin) / Pin); |
| } |
| |
| /** |
| * @brief Configure gpio speed for a dedicated pin on dedicated port. |
| * @note I/O speed can be Low, Medium, Fast or High speed. |
| * @note Warning: only one pin can be passed as parameter. |
| * @note Refer to datasheet for frequency specifications and the power |
| * supply and load conditions for each speed. |
| * @rmtoll OSPEEDR OSPEEDy LL_GPIO_SetPinSpeed |
| * @param GPIOx GPIO Port |
| * @param Pin This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @param Speed This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_SPEED_FREQ_LOW |
| * @arg @ref LL_GPIO_SPEED_FREQ_MEDIUM |
| * @arg @ref LL_GPIO_SPEED_FREQ_HIGH |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_GPIO_SetPinSpeed(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Speed) |
| { |
| MODIFY_REG(GPIOx->OSPEEDR, ((Pin * Pin) * GPIO_OSPEEDR_OSPEEDR0), ((Pin * Pin) * Speed)); |
| } |
| |
| /** |
| * @brief Return gpio speed for a dedicated pin on dedicated port. |
| * @note I/O speed can be Low, Medium, Fast or High speed. |
| * @note Warning: only one pin can be passed as parameter. |
| * @note Refer to datasheet for frequency specifications and the power |
| * supply and load conditions for each speed. |
| * @rmtoll OSPEEDR OSPEEDy LL_GPIO_GetPinSpeed |
| * @param GPIOx GPIO Port |
| * @param Pin This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @retval Returned value can be one of the following values: |
| * @arg @ref LL_GPIO_SPEED_FREQ_LOW |
| * @arg @ref LL_GPIO_SPEED_FREQ_MEDIUM |
| * @arg @ref LL_GPIO_SPEED_FREQ_HIGH |
| */ |
| __STATIC_INLINE uint32_t LL_GPIO_GetPinSpeed(GPIO_TypeDef *GPIOx, uint32_t Pin) |
| { |
| return (uint32_t)(READ_BIT(GPIOx->OSPEEDR, ((Pin * Pin) * GPIO_OSPEEDR_OSPEEDR0)) / (Pin * Pin)); |
| } |
| |
| /** |
| * @brief Configure gpio pull-up or pull-down for a dedicated pin on a dedicated port. |
| * @note Warning: only one pin can be passed as parameter. |
| * @rmtoll PUPDR PUPDy LL_GPIO_SetPinPull |
| * @param GPIOx GPIO Port |
| * @param Pin This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @param Pull This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_PULL_NO |
| * @arg @ref LL_GPIO_PULL_UP |
| * @arg @ref LL_GPIO_PULL_DOWN |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_GPIO_SetPinPull(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Pull) |
| { |
| MODIFY_REG(GPIOx->PUPDR, ((Pin * Pin) * GPIO_PUPDR_PUPDR0), ((Pin * Pin) * Pull)); |
| } |
| |
| /** |
| * @brief Return gpio pull-up or pull-down for a dedicated pin on a dedicated port |
| * @note Warning: only one pin can be passed as parameter. |
| * @rmtoll PUPDR PUPDy LL_GPIO_GetPinPull |
| * @param GPIOx GPIO Port |
| * @param Pin This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @retval Returned value can be one of the following values: |
| * @arg @ref LL_GPIO_PULL_NO |
| * @arg @ref LL_GPIO_PULL_UP |
| * @arg @ref LL_GPIO_PULL_DOWN |
| */ |
| __STATIC_INLINE uint32_t LL_GPIO_GetPinPull(GPIO_TypeDef *GPIOx, uint32_t Pin) |
| { |
| return (uint32_t)(READ_BIT(GPIOx->PUPDR, ((Pin * Pin) * GPIO_PUPDR_PUPDR0)) / (Pin * Pin)); |
| } |
| |
| /** |
| * @brief Configure gpio alternate function of a dedicated pin from 0 to 7 for a dedicated port. |
| * @note Possible values are from AF0 to AF7 depending on target. |
| * @note Warning: only one pin can be passed as parameter. |
| * @rmtoll AFRL AFSELy LL_GPIO_SetAFPin_0_7 |
| * @param GPIOx GPIO Port |
| * @param Pin This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @param Alternate This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_AF_0 |
| * @arg @ref LL_GPIO_AF_1 |
| * @arg @ref LL_GPIO_AF_2 |
| * @arg @ref LL_GPIO_AF_3 |
| * @arg @ref LL_GPIO_AF_4 |
| * @arg @ref LL_GPIO_AF_5 |
| * @arg @ref LL_GPIO_AF_6 |
| * @arg @ref LL_GPIO_AF_7 |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_GPIO_SetAFPin_0_7(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Alternate) |
| { |
| MODIFY_REG(GPIOx->AFR[0], ((((Pin * Pin) * Pin) * Pin) * GPIO_AFRL_AFSEL0), |
| ((((Pin * Pin) * Pin) * Pin) * Alternate)); |
| } |
| |
| /** |
| * @brief Return gpio alternate function of a dedicated pin from 0 to 7 for a dedicated port. |
| * @rmtoll AFRL AFSELy LL_GPIO_GetAFPin_0_7 |
| * @param GPIOx GPIO Port |
| * @param Pin This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @retval Returned value can be one of the following values: |
| * @arg @ref LL_GPIO_AF_0 |
| * @arg @ref LL_GPIO_AF_1 |
| * @arg @ref LL_GPIO_AF_2 |
| * @arg @ref LL_GPIO_AF_3 |
| * @arg @ref LL_GPIO_AF_4 |
| * @arg @ref LL_GPIO_AF_5 |
| * @arg @ref LL_GPIO_AF_6 |
| * @arg @ref LL_GPIO_AF_7 |
| */ |
| __STATIC_INLINE uint32_t LL_GPIO_GetAFPin_0_7(GPIO_TypeDef *GPIOx, uint32_t Pin) |
| { |
| return (uint32_t)(READ_BIT(GPIOx->AFR[0], |
| ((((Pin * Pin) * Pin) * Pin) * GPIO_AFRL_AFSEL0)) / (((Pin * Pin) * Pin) * Pin)); |
| } |
| |
| /** |
| * @brief Configure gpio alternate function of a dedicated pin from 8 to 15 for a dedicated port. |
| * @note Possible values are from AF0 to AF7 depending on target. |
| * @note Warning: only one pin can be passed as parameter. |
| * @rmtoll AFRH AFSELy LL_GPIO_SetAFPin_8_15 |
| * @param GPIOx GPIO Port |
| * @param Pin This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @param Alternate This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_AF_0 |
| * @arg @ref LL_GPIO_AF_1 |
| * @arg @ref LL_GPIO_AF_2 |
| * @arg @ref LL_GPIO_AF_3 |
| * @arg @ref LL_GPIO_AF_4 |
| * @arg @ref LL_GPIO_AF_5 |
| * @arg @ref LL_GPIO_AF_6 |
| * @arg @ref LL_GPIO_AF_7 |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_GPIO_SetAFPin_8_15(GPIO_TypeDef *GPIOx, uint32_t Pin, uint32_t Alternate) |
| { |
| MODIFY_REG(GPIOx->AFR[1], (((((Pin >> 8U) * (Pin >> 8U)) * (Pin >> 8U)) * (Pin >> 8U)) * GPIO_AFRH_AFSEL8), |
| (((((Pin >> 8U) * (Pin >> 8U)) * (Pin >> 8U)) * (Pin >> 8U)) * Alternate)); |
| } |
| |
| /** |
| * @brief Return gpio alternate function of a dedicated pin from 8 to 15 for a dedicated port. |
| * @note Possible values are from AF0 to AF7 depending on target. |
| * @rmtoll AFRH AFSELy LL_GPIO_GetAFPin_8_15 |
| * @param GPIOx GPIO Port |
| * @param Pin This parameter can be one of the following values: |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @retval Returned value can be one of the following values: |
| * @arg @ref LL_GPIO_AF_0 |
| * @arg @ref LL_GPIO_AF_1 |
| * @arg @ref LL_GPIO_AF_2 |
| * @arg @ref LL_GPIO_AF_3 |
| * @arg @ref LL_GPIO_AF_4 |
| * @arg @ref LL_GPIO_AF_5 |
| * @arg @ref LL_GPIO_AF_6 |
| * @arg @ref LL_GPIO_AF_7 |
| */ |
| __STATIC_INLINE uint32_t LL_GPIO_GetAFPin_8_15(GPIO_TypeDef *GPIOx, uint32_t Pin) |
| { |
| return (uint32_t)(READ_BIT(GPIOx->AFR[1], |
| (((((Pin >> 8U) * (Pin >> 8U)) * (Pin >> 8U)) * (Pin >> 8U)) * GPIO_AFRH_AFSEL8)) / ((((Pin >> 8U) * |
| (Pin >> 8U)) * (Pin >> 8U)) * (Pin >> 8U))); |
| } |
| |
| |
| /** |
| * @brief Lock configuration of several pins for a dedicated port. |
| * @note When the lock sequence has been applied on a port bit, the |
| * value of this port bit can no longer be modified until the |
| * next reset. |
| * @note Each lock bit freezes a specific configuration register |
| * (control and alternate function registers). |
| * @rmtoll LCKR LCKK LL_GPIO_LockPin |
| * @param GPIOx GPIO Port |
| * @param PinMask This parameter can be a combination of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @arg @ref LL_GPIO_PIN_ALL |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_GPIO_LockPin(GPIO_TypeDef *GPIOx, uint32_t PinMask) |
| { |
| __IO uint32_t temp; |
| WRITE_REG(GPIOx->LCKR, GPIO_LCKR_LCKK | PinMask); |
| WRITE_REG(GPIOx->LCKR, PinMask); |
| WRITE_REG(GPIOx->LCKR, GPIO_LCKR_LCKK | PinMask); |
| temp = READ_REG(GPIOx->LCKR); |
| (void) temp; |
| } |
| |
| /** |
| * @brief Return 1 if all pins passed as parameter, of a dedicated port, are locked. else Return 0. |
| * @rmtoll LCKR LCKy LL_GPIO_IsPinLocked |
| * @param GPIOx GPIO Port |
| * @param PinMask This parameter can be a combination of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @arg @ref LL_GPIO_PIN_ALL |
| * @retval State of bit (1 or 0). |
| */ |
| __STATIC_INLINE uint32_t LL_GPIO_IsPinLocked(GPIO_TypeDef *GPIOx, uint32_t PinMask) |
| { |
| return (READ_BIT(GPIOx->LCKR, PinMask) == (PinMask)); |
| } |
| |
| /** |
| * @brief Return 1 if one of the pin of a dedicated port is locked. else return 0. |
| * @rmtoll LCKR LCKK LL_GPIO_IsAnyPinLocked |
| * @param GPIOx GPIO Port |
| * @retval State of bit (1 or 0). |
| */ |
| __STATIC_INLINE uint32_t LL_GPIO_IsAnyPinLocked(GPIO_TypeDef *GPIOx) |
| { |
| return (READ_BIT(GPIOx->LCKR, GPIO_LCKR_LCKK) == (GPIO_LCKR_LCKK)); |
| } |
| |
| /** |
| * @} |
| */ |
| |
| /** @defgroup GPIO_LL_EF_Data_Access Data Access |
| * @{ |
| */ |
| |
| /** |
| * @brief Return full input data register value for a dedicated port. |
| * @rmtoll IDR IDy LL_GPIO_ReadInputPort |
| * @param GPIOx GPIO Port |
| * @retval Input data register value of port |
| */ |
| __STATIC_INLINE uint32_t LL_GPIO_ReadInputPort(GPIO_TypeDef *GPIOx) |
| { |
| return (uint32_t)(READ_REG(GPIOx->IDR)); |
| } |
| |
| /** |
| * @brief Return if input data level for several pins of dedicated port is high or low. |
| * @rmtoll IDR IDy LL_GPIO_IsInputPinSet |
| * @param GPIOx GPIO Port |
| * @param PinMask This parameter can be a combination of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @arg @ref LL_GPIO_PIN_ALL |
| * @retval State of bit (1 or 0). |
| */ |
| __STATIC_INLINE uint32_t LL_GPIO_IsInputPinSet(GPIO_TypeDef *GPIOx, uint32_t PinMask) |
| { |
| return (READ_BIT(GPIOx->IDR, PinMask) == (PinMask)); |
| } |
| |
| /** |
| * @brief Write output data register for the port. |
| * @rmtoll ODR ODy LL_GPIO_WriteOutputPort |
| * @param GPIOx GPIO Port |
| * @param PortValue Level value for each pin of the port |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_GPIO_WriteOutputPort(GPIO_TypeDef *GPIOx, uint32_t PortValue) |
| { |
| WRITE_REG(GPIOx->ODR, PortValue); |
| } |
| |
| /** |
| * @brief Return full output data register value for a dedicated port. |
| * @rmtoll ODR ODy LL_GPIO_ReadOutputPort |
| * @param GPIOx GPIO Port |
| * @retval Output data register value of port |
| */ |
| __STATIC_INLINE uint32_t LL_GPIO_ReadOutputPort(GPIO_TypeDef *GPIOx) |
| { |
| return (uint32_t)(READ_REG(GPIOx->ODR)); |
| } |
| |
| /** |
| * @brief Return if input data level for several pins of dedicated port is high or low. |
| * @rmtoll ODR ODy LL_GPIO_IsOutputPinSet |
| * @param GPIOx GPIO Port |
| * @param PinMask This parameter can be a combination of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @arg @ref LL_GPIO_PIN_ALL |
| * @retval State of bit (1 or 0). |
| */ |
| __STATIC_INLINE uint32_t LL_GPIO_IsOutputPinSet(GPIO_TypeDef *GPIOx, uint32_t PinMask) |
| { |
| return (READ_BIT(GPIOx->ODR, PinMask) == (PinMask)); |
| } |
| |
| /** |
| * @brief Set several pins to high level on dedicated gpio port. |
| * @rmtoll BSRR BSy LL_GPIO_SetOutputPin |
| * @param GPIOx GPIO Port |
| * @param PinMask This parameter can be a combination of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @arg @ref LL_GPIO_PIN_ALL |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_GPIO_SetOutputPin(GPIO_TypeDef *GPIOx, uint32_t PinMask) |
| { |
| WRITE_REG(GPIOx->BSRR, PinMask); |
| } |
| |
| /** |
| * @brief Set several pins to low level on dedicated gpio port. |
| * @rmtoll BRR BRy LL_GPIO_ResetOutputPin |
| * @param GPIOx GPIO Port |
| * @param PinMask This parameter can be a combination of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @arg @ref LL_GPIO_PIN_ALL |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_GPIO_ResetOutputPin(GPIO_TypeDef *GPIOx, uint32_t PinMask) |
| { |
| WRITE_REG(GPIOx->BRR, PinMask); |
| } |
| |
| /** |
| * @brief Toggle data value for several pin of dedicated port. |
| * @rmtoll ODR ODy LL_GPIO_TogglePin |
| * @param GPIOx GPIO Port |
| * @param PinMask This parameter can be a combination of the following values: |
| * @arg @ref LL_GPIO_PIN_0 |
| * @arg @ref LL_GPIO_PIN_1 |
| * @arg @ref LL_GPIO_PIN_2 |
| * @arg @ref LL_GPIO_PIN_3 |
| * @arg @ref LL_GPIO_PIN_4 |
| * @arg @ref LL_GPIO_PIN_5 |
| * @arg @ref LL_GPIO_PIN_6 |
| * @arg @ref LL_GPIO_PIN_7 |
| * @arg @ref LL_GPIO_PIN_8 |
| * @arg @ref LL_GPIO_PIN_9 |
| * @arg @ref LL_GPIO_PIN_10 |
| * @arg @ref LL_GPIO_PIN_11 |
| * @arg @ref LL_GPIO_PIN_12 |
| * @arg @ref LL_GPIO_PIN_13 |
| * @arg @ref LL_GPIO_PIN_14 |
| * @arg @ref LL_GPIO_PIN_15 |
| * @arg @ref LL_GPIO_PIN_ALL |
| * @retval None |
| */ |
| __STATIC_INLINE void LL_GPIO_TogglePin(GPIO_TypeDef *GPIOx, uint32_t PinMask) |
| { |
| uint32_t odr = READ_REG(GPIOx->ODR); |
| WRITE_REG(GPIOx->BSRR, ((odr & PinMask) << 16u) | (~odr & PinMask)); |
| } |
| |
| /** |
| * @} |
| */ |
| |
| #if defined(USE_FULL_LL_DRIVER) |
| /** @defgroup GPIO_LL_EF_Init Initialization and de-initialization functions |
| * @{ |
| */ |
| |
| ErrorStatus LL_GPIO_DeInit(GPIO_TypeDef *GPIOx); |
| ErrorStatus LL_GPIO_Init(GPIO_TypeDef *GPIOx, LL_GPIO_InitTypeDef *GPIO_InitStruct); |
| void LL_GPIO_StructInit(LL_GPIO_InitTypeDef *GPIO_InitStruct); |
| |
| /** |
| * @} |
| */ |
| #endif /* USE_FULL_LL_DRIVER */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) */ |
| /** |
| * @} |
| */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __STM32F0xx_LL_GPIO_H */ |
| |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
