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Diff: TARGET_NUCLEO_L053R8/stm32l0xx_hal_i2c.h
- Revision:
- 96:487b796308b0
- Parent:
- 92:4fc01daae5a5
--- a/TARGET_NUCLEO_L053R8/stm32l0xx_hal_i2c.h Wed Mar 04 07:31:39 2015 +0100 +++ b/TARGET_NUCLEO_L053R8/stm32l0xx_hal_i2c.h Tue Mar 17 14:27:45 2015 +0000 @@ -2,13 +2,13 @@ ****************************************************************************** * @file stm32l0xx_hal_i2c.h * @author MCD Application Team - * @version V1.1.0 - * @date 18-June-2014 + * @version V1.2.0 + * @date 06-February-2015 * @brief Header file of I2C HAL module. ****************************************************************************** * @attention * - * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> + * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: @@ -55,9 +55,13 @@ */ /* Exported types ------------------------------------------------------------*/ +/** @defgroup I2C_Exported_Types I2C Exported Types + * @{ + */ -/** +/** @defgroup I2C_Configuration_Structure_definition I2C Configuration Structure definition * @brief I2C Configuration Structure definition + * @{ */ typedef struct { @@ -89,8 +93,14 @@ }I2C_InitTypeDef; /** - * @brief HAL State structures definition + * @} + */ + +/** @defgroup HAL_state_structure_definition HAL state structure definition + * @brief HAL State structure definition + * @{ */ + typedef enum { HAL_I2C_STATE_RESET = 0x00, /*!< I2C not yet initialized or disabled */ @@ -107,82 +117,86 @@ }HAL_I2C_StateTypeDef; /** - * @brief HAL I2C Error Code structure definition + * @} + */ + +/** @defgroup I2C_Error_Code I2C Error Code + * @brief I2C Error Code + * @{ */ -typedef enum -{ - HAL_I2C_ERROR_NONE = 0x00, /*!< No error */ - HAL_I2C_ERROR_BERR = 0x01, /*!< BERR error */ - HAL_I2C_ERROR_ARLO = 0x02, /*!< ARLO error */ - HAL_I2C_ERROR_AF = 0x04, /*!< ACKF error */ - HAL_I2C_ERROR_OVR = 0x08, /*!< OVR error */ - HAL_I2C_ERROR_DMA = 0x10, /*!< DMA transfer error */ - HAL_I2C_ERROR_TIMEOUT = 0x20, /*!< Timeout error */ - HAL_I2C_ERROR_SIZE = 0x40 /*!< Size Management error */ -}HAL_I2C_ErrorTypeDef; +#define HAL_I2C_ERROR_NONE 0x00 /*!< No error */ +#define HAL_I2C_ERROR_BERR 0x01 /*!< BERR error */ +#define HAL_I2C_ERROR_ARLO 0x02 /*!< ARLO error */ +#define HAL_I2C_ERROR_AF 0x04 /*!< ACKF error */ +#define HAL_I2C_ERROR_OVR 0x08 /*!< OVR error */ +#define HAL_I2C_ERROR_DMA 0x10 /*!< DMA transfer error */ +#define HAL_I2C_ERROR_TIMEOUT 0x20 /*!< Timeout error */ +#define HAL_I2C_ERROR_SIZE 0x40 /*!< Size Management error */ +/** + * @} + */ -/** +/** @defgroup I2C_handle_Structure_definition I2C handle Structure definition * @brief I2C handle Structure definition + * @{ */ typedef struct { - I2C_TypeDef *Instance; /*!< I2C registers base address */ - - I2C_InitTypeDef Init; /*!< I2C communication parameters */ - - uint8_t *pBuffPtr; /*!< Pointer to I2C transfer buffer */ - - uint16_t XferSize; /*!< I2C transfer size */ - - __IO uint16_t XferCount; /*!< I2C transfer counter */ + I2C_TypeDef *Instance; /*!< I2C registers base address */ + + I2C_InitTypeDef Init; /*!< I2C communication parameters */ + + uint8_t *pBuffPtr; /*!< Pointer to I2C transfer buffer */ + + uint16_t XferSize; /*!< I2C transfer size */ + + __IO uint16_t XferCount; /*!< I2C transfer counter */ + + DMA_HandleTypeDef *hdmatx; /*!< I2C Tx DMA handle parameters */ + + DMA_HandleTypeDef *hdmarx; /*!< I2C Rx DMA handle parameters */ + + HAL_LockTypeDef Lock; /*!< I2C locking object */ + + __IO HAL_I2C_StateTypeDef State; /*!< I2C communication state */ - DMA_HandleTypeDef *hdmatx; /*!< I2C Tx DMA handle parameters */ - - DMA_HandleTypeDef *hdmarx; /*!< I2C Rx DMA handle parameters */ - - HAL_LockTypeDef Lock; /*!< I2C locking object */ - - __IO HAL_I2C_StateTypeDef State; /*!< I2C communication state */ - - __IO HAL_I2C_ErrorTypeDef ErrorCode; /* I2C Error code */ + __IO uint32_t ErrorCode; /*!< I2C Error code, see I2C_Error_Code */ }I2C_HandleTypeDef; +/** + * @} + */ +/** + * @} + */ /* Exported constants --------------------------------------------------------*/ -/** @defgroup I2C_Exported_Constants +/** @defgroup I2C_Exported_Constants I2C Exported Constants * @{ */ -/** @defgroup I2C_addressing_mode +/** @defgroup I2C_addressing_mode I2C addressing mode * @{ */ #define I2C_ADDRESSINGMODE_7BIT ((uint32_t)0x00000001) #define I2C_ADDRESSINGMODE_10BIT ((uint32_t)0x00000002) - -#define IS_I2C_ADDRESSING_MODE(MODE) (((MODE) == I2C_ADDRESSINGMODE_7BIT) || \ - ((MODE) == I2C_ADDRESSINGMODE_10BIT)) /** * @} */ -/** @defgroup I2C_dual_addressing_mode +/** @defgroup I2C_dual_addressing_mode I2C dual addressing mode * @{ */ - -#define I2C_DUALADDRESS_DISABLED ((uint32_t)0x00000000) -#define I2C_DUALADDRESS_ENABLED I2C_OAR2_OA2EN - -#define IS_I2C_DUAL_ADDRESS(ADDRESS) (((ADDRESS) == I2C_DUALADDRESS_DISABLED) || \ - ((ADDRESS) == I2C_DUALADDRESS_ENABLED)) +#define I2C_DUALADDRESS_DISABLE ((uint32_t)0x00000000) +#define I2C_DUALADDRESS_ENABLE I2C_OAR2_OA2EN /** * @} */ -/** @defgroup I2C_own_address2_masks +/** @defgroup I2C_own_address2_masks I2C own address2 masks * @{ */ - #define I2C_OA2_NOMASK ((uint8_t)0x00) #define I2C_OA2_MASK01 ((uint8_t)0x01) #define I2C_OA2_MASK02 ((uint8_t)0x02) @@ -191,89 +205,59 @@ #define I2C_OA2_MASK05 ((uint8_t)0x05) #define I2C_OA2_MASK06 ((uint8_t)0x06) #define I2C_OA2_MASK07 ((uint8_t)0x07) - -#define IS_I2C_OWN_ADDRESS2_MASK(MASK) (((MASK) == I2C_OA2_NOMASK) || \ - ((MASK) == I2C_OA2_MASK01) || \ - ((MASK) == I2C_OA2_MASK02) || \ - ((MASK) == I2C_OA2_MASK03) || \ - ((MASK) == I2C_OA2_MASK04) || \ - ((MASK) == I2C_OA2_MASK05) || \ - ((MASK) == I2C_OA2_MASK06) || \ - ((MASK) == I2C_OA2_MASK07)) /** * @} */ -/** @defgroup I2C_general_call_addressing_mode +/** @defgroup I2C_general_call_addressing_mode I2C general call addressing mode * @{ */ -#define I2C_GENERALCALL_DISABLED ((uint32_t)0x00000000) -#define I2C_GENERALCALL_ENABLED I2C_CR1_GCEN - -#define IS_I2C_GENERAL_CALL(CALL) (((CALL) == I2C_GENERALCALL_DISABLED) || \ - ((CALL) == I2C_GENERALCALL_ENABLED)) +#define I2C_GENERALCALL_DISABLE ((uint32_t)0x00000000) +#define I2C_GENERALCALL_ENABLE I2C_CR1_GCEN /** * @} */ -/** @defgroup I2C_nostretch_mode +/** @defgroup I2C_nostretch_mode I2C nostretch mode * @{ */ -#define I2C_NOSTRETCH_DISABLED ((uint32_t)0x00000000) -#define I2C_NOSTRETCH_ENABLED I2C_CR1_NOSTRETCH - -#define IS_I2C_NO_STRETCH(STRETCH) (((STRETCH) == I2C_NOSTRETCH_DISABLED) || \ - ((STRETCH) == I2C_NOSTRETCH_ENABLED)) +#define I2C_NOSTRETCH_DISABLE ((uint32_t)0x00000000) +#define I2C_NOSTRETCH_ENABLE I2C_CR1_NOSTRETCH /** * @} */ -/** @defgroup I2C_Memory_Address_Size +/** @defgroup I2C_Memory_Address_Size I2C Memory Address Size * @{ */ #define I2C_MEMADD_SIZE_8BIT ((uint32_t)0x00000001) #define I2C_MEMADD_SIZE_16BIT ((uint32_t)0x00000002) - -#define IS_I2C_MEMADD_SIZE(SIZE) (((SIZE) == I2C_MEMADD_SIZE_8BIT) || \ - ((SIZE) == I2C_MEMADD_SIZE_16BIT)) /** * @} */ -/** @defgroup I2C_ReloadEndMode_definition +/** @defgroup I2C_ReloadEndMode_definition I2C ReloadEndMode definition * @{ */ - #define I2C_RELOAD_MODE I2C_CR2_RELOAD #define I2C_AUTOEND_MODE I2C_CR2_AUTOEND #define I2C_SOFTEND_MODE ((uint32_t)0x00000000) - -#define IS_TRANSFER_MODE(MODE) (((MODE) == I2C_RELOAD_MODE) || \ - ((MODE) == I2C_AUTOEND_MODE) || \ - ((MODE) == I2C_SOFTEND_MODE)) /** * @} */ -/** @defgroup I2C_StartStopMode_definition +/** @defgroup I2C_StartStopMode_definition I2C StartStopMode definition * @{ */ - #define I2C_NO_STARTSTOP ((uint32_t)0x00000000) #define I2C_GENERATE_STOP I2C_CR2_STOP #define I2C_GENERATE_START_READ (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN) #define I2C_GENERATE_START_WRITE I2C_CR2_START - -#define IS_TRANSFER_REQUEST(REQUEST) (((REQUEST) == I2C_GENERATE_STOP) || \ - ((REQUEST) == I2C_GENERATE_START_READ) || \ - ((REQUEST) == I2C_GENERATE_START_WRITE) || \ - ((REQUEST) == I2C_NO_STARTSTOP)) - /** * @} */ -/** @defgroup I2C_Interrupt_configuration_definition +/** @defgroup I2C_Interrupt_configuration_definition I2C Interrupt configuration definition * @brief I2C Interrupt definition * Elements values convention: 0xXXXXXXXX * - XXXXXXXX : Interrupt control mask @@ -292,10 +276,9 @@ */ -/** @defgroup I2C_Flag_definition +/** @defgroup I2C_Flag_definition I2C Flag definition * @{ */ - #define I2C_FLAG_TXE I2C_ISR_TXE #define I2C_FLAG_TXIS I2C_ISR_TXIS #define I2C_FLAG_RXNE I2C_ISR_RXNE @@ -312,28 +295,25 @@ #define I2C_FLAG_ALERT I2C_ISR_ALERT #define I2C_FLAG_BUSY I2C_ISR_BUSY #define I2C_FLAG_DIR I2C_ISR_DIR - /** * @} */ -/** - * @} - */ - -/* Exported macro ------------------------------------------------------------*/ +/* Exported macros -----------------------------------------------------------*/ + +/** @defgroup I2C_Exported_Macros I2C Exported Macros + * @{ + */ /** @brief Reset I2C handle state * @param __HANDLE__: specifies the I2C Handle. - * This parameter can be I2C where x: 1 or 2 to select the I2C peripheral. * @retval None */ #define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET) -/** @brief Enables or disables the specified I2C interrupts. +/** @brief Enable the specified I2C interrupts. * @param __HANDLE__: specifies the I2C Handle. - * This parameter can be I2C where x: 1 or 2 to select the I2C peripheral. - * @param __INTERRUPT__: specifies the interrupt source to enable or disable. + * @param __INTERRUPT__: specifies the interrupt source to enable. * This parameter can be one of the following values: * @arg I2C_IT_ERRI: Errors interrupt enable * @arg I2C_IT_TCI: Transfer complete interrupt enable @@ -347,11 +327,25 @@ */ #define __HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 |= (__INTERRUPT__)) + +/** @brief Disable the specified I2C interrupts. + * @param __HANDLE__: specifies the I2C Handle. + * @param __INTERRUPT__: specifies the interrupt source to disable. + * This parameter can be one of the following values: + * @arg I2C_IT_ERRI: Errors interrupt enable + * @arg I2C_IT_TCI: Transfer complete interrupt enable + * @arg I2C_IT_STOPI: STOP detection interrupt enable + * @arg I2C_IT_NACKI: NACK received interrupt enable + * @arg I2C_IT_ADDRI: Address match interrupt enable + * @arg I2C_IT_RXI: RX interrupt enable + * @arg I2C_IT_TXI: TX interrupt enable + * + * @retval None + */ #define __HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__))) /** @brief Checks if the specified I2C interrupt source is enabled or disabled. * @param __HANDLE__: specifies the I2C Handle. - * This parameter can be I2C where x: 1 or 2 to select the I2C peripheral. * @param __INTERRUPT__: specifies the I2C interrupt source to check. * This parameter can be one of the following values: * @arg I2C_IT_ERRI: Errors interrupt enable @@ -362,13 +356,12 @@ * @arg I2C_IT_RXI: RX interrupt enable * @arg I2C_IT_TXI: TX interrupt enable * - * @retval The new state of __IT__ (TRUE or FALSE). + * @retval The new state of __INTERRUPT__ (TRUE or FALSE). */ #define __HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR1 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET) /** @brief Checks whether the specified I2C flag is set or not. * @param __HANDLE__: specifies the I2C Handle. - * This parameter can be I2C where x: 1 or 2 to select the I2C peripheral. * @param __FLAG__: specifies the flag to check. * This parameter can be one of the following values: * @arg I2C_FLAG_TXE: Transmit data register empty @@ -391,11 +384,10 @@ * @retval The new state of __FLAG__ (TRUE or FALSE). */ #define I2C_FLAG_MASK ((uint32_t)0x0001FFFF) -#define __HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) (((((__HANDLE__)->Instance->ISR) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK))) +#define __HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) (((((__HANDLE__)->Instance->ISR) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK))) /** @brief Clears the I2C pending flags which are cleared by writing 1 in a specific bit. * @param __HANDLE__: specifies the I2C Handle. - * This parameter can be I2C where x: 1 or 2 to select the I2C peripheral. * @param __FLAG__: specifies the flag to clear. * This parameter can be any combination of the following values: * @arg I2C_FLAG_ADDR: Address matched (slave mode) @@ -410,34 +402,48 @@ * * @retval None */ -#define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = ((__FLAG__) & I2C_FLAG_MASK)) +#define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = ((__FLAG__) & I2C_FLAG_MASK)) - -#define __HAL_I2C_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= I2C_CR1_PE) -#define __HAL_I2C_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~I2C_CR1_PE) - -#define __HAL_I2C_RESET_CR2(__HANDLE__) ((__HANDLE__)->Instance->CR2 &= (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_HEAD10R | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_RD_WRN))) +/** @brief Enable the specified I2C peripheral. + * @param __HANDLE__: specifies the I2C Handle. + * @retval None + */ +#define __HAL_I2C_ENABLE(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)) -#define __HAL_I2C_MEM_ADD_MSB(__ADDRESS__) ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0xFF00))) >> 8))) -#define __HAL_I2C_MEM_ADD_LSB(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FF)))) +/** @brief Disable the specified I2C peripheral. + * @param __HANDLE__: specifies the I2C Handle. + * @retval None + */ +#define __HAL_I2C_DISABLE(__HANDLE__) (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE)) -#define __HAL_I2C_GENERATE_START(__ADDMODE__,__ADDRESS__) (((__ADDMODE__) == I2C_ADDRESSINGMODE_7BIT) ? (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | (I2C_CR2_START) | (I2C_CR2_AUTOEND)) & (~I2C_CR2_RD_WRN)) : \ - (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | (I2C_CR2_ADD10) | (I2C_CR2_START)) & (~I2C_CR2_RD_WRN))) - -#define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= (uint32_t)0x000003FF) -#define IS_I2C_OWN_ADDRESS2(ADDRESS2) ((ADDRESS2) <= (uint16_t)0x00FF) +/** + * @} + */ /* Include I2C HAL Extension module */ #include "stm32l0xx_hal_i2c_ex.h" /* Exported functions --------------------------------------------------------*/ -/* Initialization/de-initialization functions**********************************/ +/** @addtogroup I2C_Exported_Functions + * @{ + */ + +/** @addtogroup I2C_Exported_Functions_Group1 Initialization and de-initialization functions + * @{ + */ +/* Initialization and de-initialization functions******************************/ HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c); HAL_StatusTypeDef HAL_I2C_DeInit (I2C_HandleTypeDef *hi2c); void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c); void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c); +/** + * @} + */ -/* I/O operation functions ***************************************************/ +/** @addtogroup I2C_Exported_Functions_Group2 Input and Output operation functions + * @{ + */ +/* IO operation functions ****************************************************/ /******* Blocking mode: Polling */ HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout); HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout); @@ -462,7 +468,13 @@ HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); +/** + * @} + */ +/** @addtogroup IRQ_Handler_and_Callbacks IRQ Handler and Callbacks + * @{ + */ /******* I2C IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */ void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c); void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c); @@ -473,8 +485,14 @@ void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c); void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c); void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c); +/** + * @} + */ -/* Peripheral State functions ************************************************/ +/** @addtogroup I2C_Exported_Functions_Group3 Peripheral State and Errors functions + * @{ + */ +/* Peripheral State and Errors functions *************************************/ HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c); uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c); @@ -486,6 +504,86 @@ * @} */ +/* Private constants ---------------------------------------------------------*/ +/** @defgroup I2C_Private_Constants I2C Private Constants + * @{ + */ + +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/** @defgroup I2C_Private_Macro I2C Private Macros + * @{ + */ + +#define IS_I2C_ADDRESSING_MODE(MODE) (((MODE) == I2C_ADDRESSINGMODE_7BIT) || \ + ((MODE) == I2C_ADDRESSINGMODE_10BIT)) + +#define IS_I2C_DUAL_ADDRESS(ADDRESS) (((ADDRESS) == I2C_DUALADDRESS_DISABLE) || \ + ((ADDRESS) == I2C_DUALADDRESS_ENABLE)) + +#define IS_I2C_OWN_ADDRESS2_MASK(MASK) (((MASK) == I2C_OA2_NOMASK) || \ + ((MASK) == I2C_OA2_MASK01) || \ + ((MASK) == I2C_OA2_MASK02) || \ + ((MASK) == I2C_OA2_MASK03) || \ + ((MASK) == I2C_OA2_MASK04) || \ + ((MASK) == I2C_OA2_MASK05) || \ + ((MASK) == I2C_OA2_MASK06) || \ + ((MASK) == I2C_OA2_MASK07)) + +#define IS_I2C_GENERAL_CALL(CALL) (((CALL) == I2C_GENERALCALL_DISABLE) || \ + ((CALL) == I2C_GENERALCALL_ENABLE)) + +#define IS_I2C_NO_STRETCH(STRETCH) (((STRETCH) == I2C_NOSTRETCH_DISABLE) || \ + ((STRETCH) == I2C_NOSTRETCH_ENABLE)) + +#define IS_I2C_MEMADD_SIZE(SIZE) (((SIZE) == I2C_MEMADD_SIZE_8BIT) || \ + ((SIZE) == I2C_MEMADD_SIZE_16BIT)) + + +#define IS_TRANSFER_MODE(MODE) (((MODE) == I2C_RELOAD_MODE) || \ + ((MODE) == I2C_AUTOEND_MODE) || \ + ((MODE) == I2C_SOFTEND_MODE)) + +#define IS_TRANSFER_REQUEST(REQUEST) (((REQUEST) == I2C_GENERATE_STOP) || \ + ((REQUEST) == I2C_GENERATE_START_READ) || \ + ((REQUEST) == I2C_GENERATE_START_WRITE) || \ + ((REQUEST) == I2C_NO_STARTSTOP)) + + +#define __I2C_RESET_CR2(__HANDLE__) ((__HANDLE__)->Instance->CR2 &= (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_HEAD10R | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_RD_WRN))) + +#define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= (uint32_t)0x000003FF) +#define IS_I2C_OWN_ADDRESS2(ADDRESS2) ((ADDRESS2) <= (uint16_t)0x00FF) + +#define __I2C_MEM_ADD_MSB(__ADDRESS__) ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0xFF00))) >> 8))) +#define __I2C_MEM_ADD_LSB(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FF)))) + +#define __I2C_GENERATE_START(__ADDMODE__,__ADDRESS__) (((__ADDMODE__) == I2C_ADDRESSINGMODE_7BIT) ? (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | (I2C_CR2_START) | (I2C_CR2_AUTOEND)) & (~I2C_CR2_RD_WRN)) : \ + (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | (I2C_CR2_ADD10) | (I2C_CR2_START)) & (~I2C_CR2_RD_WRN))) +/** + * @} + */ + +/* Private Fonctions ---------------------------------------------------------*/ +/** @defgroup I2C_Private_Functions I2C Private Functions + * @{ + */ +/* Private functions are defined in stm32l0xx_hal_i2c.c file */ +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + #ifdef __cplusplus } #endif @@ -494,3 +592,4 @@ #endif /* __STM32L0xx_HAL_I2C_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ +