841 lines
38 KiB
C
841 lines
38 KiB
C
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/**
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******************************************************************************
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* @file stm32l4xx_hal_i2c.h
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* @author MCD Application Team
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* @brief Header file of I2C HAL module.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2017 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef STM32L4xx_HAL_I2C_H
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#define STM32L4xx_HAL_I2C_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32l4xx_hal_def.h"
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/** @addtogroup STM32L4xx_HAL_Driver
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* @{
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*/
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/** @addtogroup I2C
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/** @defgroup I2C_Exported_Types I2C Exported Types
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* @{
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*/
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/** @defgroup I2C_Configuration_Structure_definition I2C Configuration Structure definition
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* @brief I2C Configuration Structure definition
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* @{
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*/
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typedef struct
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{
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uint32_t Timing; /*!< Specifies the I2C_TIMINGR_register value.
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This parameter calculated by referring to I2C initialization section
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in Reference manual */
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uint32_t OwnAddress1; /*!< Specifies the first device own address.
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This parameter can be a 7-bit or 10-bit address. */
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uint32_t AddressingMode; /*!< Specifies if 7-bit or 10-bit addressing mode is selected.
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This parameter can be a value of @ref I2C_ADDRESSING_MODE */
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uint32_t DualAddressMode; /*!< Specifies if dual addressing mode is selected.
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This parameter can be a value of @ref I2C_DUAL_ADDRESSING_MODE */
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uint32_t OwnAddress2; /*!< Specifies the second device own address if dual addressing mode is selected
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This parameter can be a 7-bit address. */
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uint32_t OwnAddress2Masks; /*!< Specifies the acknowledge mask address second device own address if dual addressing
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mode is selected.
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This parameter can be a value of @ref I2C_OWN_ADDRESS2_MASKS */
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uint32_t GeneralCallMode; /*!< Specifies if general call mode is selected.
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This parameter can be a value of @ref I2C_GENERAL_CALL_ADDRESSING_MODE */
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uint32_t NoStretchMode; /*!< Specifies if nostretch mode is selected.
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This parameter can be a value of @ref I2C_NOSTRETCH_MODE */
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} I2C_InitTypeDef;
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/**
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* @}
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*/
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/** @defgroup HAL_state_structure_definition HAL state structure definition
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* @brief HAL State structure definition
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* @note HAL I2C State value coding follow below described bitmap :\n
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* b7-b6 Error information\n
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* 00 : No Error\n
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* 01 : Abort (Abort user request on going)\n
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* 10 : Timeout\n
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* 11 : Error\n
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* b5 Peripheral initialization status\n
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* 0 : Reset (peripheral not initialized)\n
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* 1 : Init done (peripheral initialized and ready to use. HAL I2C Init function called)\n
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* b4 (not used)\n
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* x : Should be set to 0\n
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* b3\n
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* 0 : Ready or Busy (No Listen mode ongoing)\n
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* 1 : Listen (peripheral in Address Listen Mode)\n
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* b2 Intrinsic process state\n
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* 0 : Ready\n
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* 1 : Busy (peripheral busy with some configuration or internal operations)\n
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* b1 Rx state\n
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* 0 : Ready (no Rx operation ongoing)\n
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* 1 : Busy (Rx operation ongoing)\n
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* b0 Tx state\n
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* 0 : Ready (no Tx operation ongoing)\n
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* 1 : Busy (Tx operation ongoing)
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* @{
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*/
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typedef enum
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{
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HAL_I2C_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized */
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HAL_I2C_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use */
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HAL_I2C_STATE_BUSY = 0x24U, /*!< An internal process is ongoing */
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HAL_I2C_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing */
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HAL_I2C_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */
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HAL_I2C_STATE_LISTEN = 0x28U, /*!< Address Listen Mode is ongoing */
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HAL_I2C_STATE_BUSY_TX_LISTEN = 0x29U, /*!< Address Listen Mode and Data Transmission
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process is ongoing */
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HAL_I2C_STATE_BUSY_RX_LISTEN = 0x2AU, /*!< Address Listen Mode and Data Reception
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process is ongoing */
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HAL_I2C_STATE_ABORT = 0x60U, /*!< Abort user request ongoing */
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HAL_I2C_STATE_TIMEOUT = 0xA0U, /*!< Timeout state */
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HAL_I2C_STATE_ERROR = 0xE0U /*!< Error */
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} HAL_I2C_StateTypeDef;
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/**
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* @}
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*/
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/** @defgroup HAL_mode_structure_definition HAL mode structure definition
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* @brief HAL Mode structure definition
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* @note HAL I2C Mode value coding follow below described bitmap :\n
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* b7 (not used)\n
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* x : Should be set to 0\n
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* b6\n
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* 0 : None\n
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* 1 : Memory (HAL I2C communication is in Memory Mode)\n
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* b5\n
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* 0 : None\n
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* 1 : Slave (HAL I2C communication is in Slave Mode)\n
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* b4\n
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* 0 : None\n
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* 1 : Master (HAL I2C communication is in Master Mode)\n
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* b3-b2-b1-b0 (not used)\n
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* xxxx : Should be set to 0000
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* @{
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*/
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typedef enum
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{
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HAL_I2C_MODE_NONE = 0x00U, /*!< No I2C communication on going */
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HAL_I2C_MODE_MASTER = 0x10U, /*!< I2C communication is in Master Mode */
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HAL_I2C_MODE_SLAVE = 0x20U, /*!< I2C communication is in Slave Mode */
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HAL_I2C_MODE_MEM = 0x40U /*!< I2C communication is in Memory Mode */
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} HAL_I2C_ModeTypeDef;
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/**
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* @}
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*/
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/** @defgroup I2C_Error_Code_definition I2C Error Code definition
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* @brief I2C Error Code definition
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* @{
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*/
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#define HAL_I2C_ERROR_NONE (0x00000000U) /*!< No error */
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#define HAL_I2C_ERROR_BERR (0x00000001U) /*!< BERR error */
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#define HAL_I2C_ERROR_ARLO (0x00000002U) /*!< ARLO error */
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#define HAL_I2C_ERROR_AF (0x00000004U) /*!< ACKF error */
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#define HAL_I2C_ERROR_OVR (0x00000008U) /*!< OVR error */
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#define HAL_I2C_ERROR_DMA (0x00000010U) /*!< DMA transfer error */
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#define HAL_I2C_ERROR_TIMEOUT (0x00000020U) /*!< Timeout error */
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#define HAL_I2C_ERROR_SIZE (0x00000040U) /*!< Size Management error */
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#define HAL_I2C_ERROR_DMA_PARAM (0x00000080U) /*!< DMA Parameter Error */
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#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
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#define HAL_I2C_ERROR_INVALID_CALLBACK (0x00000100U) /*!< Invalid Callback error */
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#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
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#define HAL_I2C_ERROR_INVALID_PARAM (0x00000200U) /*!< Invalid Parameters error */
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/**
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* @}
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*/
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/** @defgroup I2C_handle_Structure_definition I2C handle Structure definition
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* @brief I2C handle Structure definition
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* @{
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*/
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typedef struct __I2C_HandleTypeDef
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{
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I2C_TypeDef *Instance; /*!< I2C registers base address */
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I2C_InitTypeDef Init; /*!< I2C communication parameters */
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uint8_t *pBuffPtr; /*!< Pointer to I2C transfer buffer */
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uint16_t XferSize; /*!< I2C transfer size */
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__IO uint16_t XferCount; /*!< I2C transfer counter */
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__IO uint32_t XferOptions; /*!< I2C sequantial transfer options, this parameter can
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be a value of @ref I2C_XFEROPTIONS */
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__IO uint32_t PreviousState; /*!< I2C communication Previous state */
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HAL_StatusTypeDef(*XferISR)(struct __I2C_HandleTypeDef *hi2c, uint32_t ITFlags, uint32_t ITSources);
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/*!< I2C transfer IRQ handler function pointer */
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DMA_HandleTypeDef *hdmatx; /*!< I2C Tx DMA handle parameters */
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DMA_HandleTypeDef *hdmarx; /*!< I2C Rx DMA handle parameters */
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HAL_LockTypeDef Lock; /*!< I2C locking object */
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__IO HAL_I2C_StateTypeDef State; /*!< I2C communication state */
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__IO HAL_I2C_ModeTypeDef Mode; /*!< I2C communication mode */
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__IO uint32_t ErrorCode; /*!< I2C Error code */
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__IO uint32_t AddrEventCount; /*!< I2C Address Event counter */
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__IO uint32_t Devaddress; /*!< I2C Target device address */
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__IO uint32_t Memaddress; /*!< I2C Target memory address */
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#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
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void (* MasterTxCpltCallback)(struct __I2C_HandleTypeDef *hi2c);
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/*!< I2C Master Tx Transfer completed callback */
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void (* MasterRxCpltCallback)(struct __I2C_HandleTypeDef *hi2c);
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/*!< I2C Master Rx Transfer completed callback */
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void (* SlaveTxCpltCallback)(struct __I2C_HandleTypeDef *hi2c);
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/*!< I2C Slave Tx Transfer completed callback */
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void (* SlaveRxCpltCallback)(struct __I2C_HandleTypeDef *hi2c);
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/*!< I2C Slave Rx Transfer completed callback */
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void (* ListenCpltCallback)(struct __I2C_HandleTypeDef *hi2c);
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/*!< I2C Listen Complete callback */
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void (* MemTxCpltCallback)(struct __I2C_HandleTypeDef *hi2c);
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/*!< I2C Memory Tx Transfer completed callback */
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void (* MemRxCpltCallback)(struct __I2C_HandleTypeDef *hi2c);
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/*!< I2C Memory Rx Transfer completed callback */
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void (* ErrorCallback)(struct __I2C_HandleTypeDef *hi2c);
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/*!< I2C Error callback */
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void (* AbortCpltCallback)(struct __I2C_HandleTypeDef *hi2c);
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/*!< I2C Abort callback */
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void (* AddrCallback)(struct __I2C_HandleTypeDef *hi2c, uint8_t TransferDirection, uint16_t AddrMatchCode);
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/*!< I2C Slave Address Match callback */
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void (* MspInitCallback)(struct __I2C_HandleTypeDef *hi2c);
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/*!< I2C Msp Init callback */
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void (* MspDeInitCallback)(struct __I2C_HandleTypeDef *hi2c);
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/*!< I2C Msp DeInit callback */
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#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
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} I2C_HandleTypeDef;
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#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
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/**
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* @brief HAL I2C Callback ID enumeration definition
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*/
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typedef enum
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{
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HAL_I2C_MASTER_TX_COMPLETE_CB_ID = 0x00U, /*!< I2C Master Tx Transfer completed callback ID */
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HAL_I2C_MASTER_RX_COMPLETE_CB_ID = 0x01U, /*!< I2C Master Rx Transfer completed callback ID */
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HAL_I2C_SLAVE_TX_COMPLETE_CB_ID = 0x02U, /*!< I2C Slave Tx Transfer completed callback ID */
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HAL_I2C_SLAVE_RX_COMPLETE_CB_ID = 0x03U, /*!< I2C Slave Rx Transfer completed callback ID */
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HAL_I2C_LISTEN_COMPLETE_CB_ID = 0x04U, /*!< I2C Listen Complete callback ID */
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HAL_I2C_MEM_TX_COMPLETE_CB_ID = 0x05U, /*!< I2C Memory Tx Transfer callback ID */
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HAL_I2C_MEM_RX_COMPLETE_CB_ID = 0x06U, /*!< I2C Memory Rx Transfer completed callback ID */
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HAL_I2C_ERROR_CB_ID = 0x07U, /*!< I2C Error callback ID */
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HAL_I2C_ABORT_CB_ID = 0x08U, /*!< I2C Abort callback ID */
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HAL_I2C_MSPINIT_CB_ID = 0x09U, /*!< I2C Msp Init callback ID */
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HAL_I2C_MSPDEINIT_CB_ID = 0x0AU /*!< I2C Msp DeInit callback ID */
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} HAL_I2C_CallbackIDTypeDef;
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/**
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* @brief HAL I2C Callback pointer definition
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*/
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typedef void (*pI2C_CallbackTypeDef)(I2C_HandleTypeDef *hi2c);
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/*!< pointer to an I2C callback function */
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typedef void (*pI2C_AddrCallbackTypeDef)(I2C_HandleTypeDef *hi2c, uint8_t TransferDirection,
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uint16_t AddrMatchCode);
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/*!< pointer to an I2C Address Match callback function */
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#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup I2C_Exported_Constants I2C Exported Constants
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* @{
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*/
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/** @defgroup I2C_XFEROPTIONS I2C Sequential Transfer Options
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* @{
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*/
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#define I2C_FIRST_FRAME ((uint32_t)I2C_SOFTEND_MODE)
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#define I2C_FIRST_AND_NEXT_FRAME ((uint32_t)(I2C_RELOAD_MODE | I2C_SOFTEND_MODE))
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#define I2C_NEXT_FRAME ((uint32_t)(I2C_RELOAD_MODE | I2C_SOFTEND_MODE))
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#define I2C_FIRST_AND_LAST_FRAME ((uint32_t)I2C_AUTOEND_MODE)
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#define I2C_LAST_FRAME ((uint32_t)I2C_AUTOEND_MODE)
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#define I2C_LAST_FRAME_NO_STOP ((uint32_t)I2C_SOFTEND_MODE)
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/* List of XferOptions in usage of :
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* 1- Restart condition in all use cases (direction change or not)
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*/
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#define I2C_OTHER_FRAME (0x000000AAU)
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#define I2C_OTHER_AND_LAST_FRAME (0x0000AA00U)
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/**
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* @}
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*/
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/** @defgroup I2C_ADDRESSING_MODE I2C Addressing Mode
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* @{
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*/
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#define I2C_ADDRESSINGMODE_7BIT (0x00000001U)
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#define I2C_ADDRESSINGMODE_10BIT (0x00000002U)
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/**
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* @}
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*/
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/** @defgroup I2C_DUAL_ADDRESSING_MODE I2C Dual Addressing Mode
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* @{
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*/
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#define I2C_DUALADDRESS_DISABLE (0x00000000U)
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#define I2C_DUALADDRESS_ENABLE I2C_OAR2_OA2EN
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/**
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* @}
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*/
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|
||
|
|
/** @defgroup I2C_OWN_ADDRESS2_MASKS I2C Own Address2 Masks
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
#define I2C_OA2_NOMASK ((uint8_t)0x00U)
|
||
|
|
#define I2C_OA2_MASK01 ((uint8_t)0x01U)
|
||
|
|
#define I2C_OA2_MASK02 ((uint8_t)0x02U)
|
||
|
|
#define I2C_OA2_MASK03 ((uint8_t)0x03U)
|
||
|
|
#define I2C_OA2_MASK04 ((uint8_t)0x04U)
|
||
|
|
#define I2C_OA2_MASK05 ((uint8_t)0x05U)
|
||
|
|
#define I2C_OA2_MASK06 ((uint8_t)0x06U)
|
||
|
|
#define I2C_OA2_MASK07 ((uint8_t)0x07U)
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup I2C_GENERAL_CALL_ADDRESSING_MODE I2C General Call Addressing Mode
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
#define I2C_GENERALCALL_DISABLE (0x00000000U)
|
||
|
|
#define I2C_GENERALCALL_ENABLE I2C_CR1_GCEN
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup I2C_NOSTRETCH_MODE I2C No-Stretch Mode
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
#define I2C_NOSTRETCH_DISABLE (0x00000000U)
|
||
|
|
#define I2C_NOSTRETCH_ENABLE I2C_CR1_NOSTRETCH
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup I2C_MEMORY_ADDRESS_SIZE I2C Memory Address Size
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
#define I2C_MEMADD_SIZE_8BIT (0x00000001U)
|
||
|
|
#define I2C_MEMADD_SIZE_16BIT (0x00000002U)
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup I2C_XFERDIRECTION I2C Transfer Direction Master Point of View
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
#define I2C_DIRECTION_TRANSMIT (0x00000000U)
|
||
|
|
#define I2C_DIRECTION_RECEIVE (0x00000001U)
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup I2C_RELOAD_END_MODE I2C Reload End Mode
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
#define I2C_RELOAD_MODE I2C_CR2_RELOAD
|
||
|
|
#define I2C_AUTOEND_MODE I2C_CR2_AUTOEND
|
||
|
|
#define I2C_SOFTEND_MODE (0x00000000U)
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup I2C_START_STOP_MODE I2C Start or Stop Mode
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
#define I2C_NO_STARTSTOP (0x00000000U)
|
||
|
|
#define I2C_GENERATE_STOP (uint32_t)(0x80000000U | I2C_CR2_STOP)
|
||
|
|
#define I2C_GENERATE_START_READ (uint32_t)(0x80000000U | I2C_CR2_START | I2C_CR2_RD_WRN)
|
||
|
|
#define I2C_GENERATE_START_WRITE (uint32_t)(0x80000000U | I2C_CR2_START)
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup I2C_Interrupt_configuration_definition I2C Interrupt configuration definition
|
||
|
|
* @brief I2C Interrupt definition
|
||
|
|
* Elements values convention: 0xXXXXXXXX
|
||
|
|
* - XXXXXXXX : Interrupt control mask
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
#define I2C_IT_ERRI I2C_CR1_ERRIE
|
||
|
|
#define I2C_IT_TCI I2C_CR1_TCIE
|
||
|
|
#define I2C_IT_STOPI I2C_CR1_STOPIE
|
||
|
|
#define I2C_IT_NACKI I2C_CR1_NACKIE
|
||
|
|
#define I2C_IT_ADDRI I2C_CR1_ADDRIE
|
||
|
|
#define I2C_IT_RXI I2C_CR1_RXIE
|
||
|
|
#define I2C_IT_TXI I2C_CR1_TXIE
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @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
|
||
|
|
#define I2C_FLAG_ADDR I2C_ISR_ADDR
|
||
|
|
#define I2C_FLAG_AF I2C_ISR_NACKF
|
||
|
|
#define I2C_FLAG_STOPF I2C_ISR_STOPF
|
||
|
|
#define I2C_FLAG_TC I2C_ISR_TC
|
||
|
|
#define I2C_FLAG_TCR I2C_ISR_TCR
|
||
|
|
#define I2C_FLAG_BERR I2C_ISR_BERR
|
||
|
|
#define I2C_FLAG_ARLO I2C_ISR_ARLO
|
||
|
|
#define I2C_FLAG_OVR I2C_ISR_OVR
|
||
|
|
#define I2C_FLAG_PECERR I2C_ISR_PECERR
|
||
|
|
#define I2C_FLAG_TIMEOUT I2C_ISR_TIMEOUT
|
||
|
|
#define I2C_FLAG_ALERT I2C_ISR_ALERT
|
||
|
|
#define I2C_FLAG_BUSY I2C_ISR_BUSY
|
||
|
|
#define I2C_FLAG_DIR I2C_ISR_DIR
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Exported macros -----------------------------------------------------------*/
|
||
|
|
|
||
|
|
/** @defgroup I2C_Exported_Macros I2C Exported Macros
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @brief Reset I2C handle state.
|
||
|
|
* @param __HANDLE__ specifies the I2C Handle.
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
|
||
|
|
#define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) do{ \
|
||
|
|
(__HANDLE__)->State = HAL_I2C_STATE_RESET; \
|
||
|
|
(__HANDLE__)->MspInitCallback = NULL; \
|
||
|
|
(__HANDLE__)->MspDeInitCallback = NULL; \
|
||
|
|
} while(0)
|
||
|
|
#else
|
||
|
|
#define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)
|
||
|
|
#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
|
||
|
|
|
||
|
|
/** @brief Enable the specified I2C interrupt.
|
||
|
|
* @param __HANDLE__ specifies the I2C Handle.
|
||
|
|
* @param __INTERRUPT__ specifies the interrupt source to enable.
|
||
|
|
* This parameter can be one of the following values:
|
||
|
|
* @arg @ref I2C_IT_ERRI Errors interrupt enable
|
||
|
|
* @arg @ref I2C_IT_TCI Transfer complete interrupt enable
|
||
|
|
* @arg @ref I2C_IT_STOPI STOP detection interrupt enable
|
||
|
|
* @arg @ref I2C_IT_NACKI NACK received interrupt enable
|
||
|
|
* @arg @ref I2C_IT_ADDRI Address match interrupt enable
|
||
|
|
* @arg @ref I2C_IT_RXI RX interrupt enable
|
||
|
|
* @arg @ref I2C_IT_TXI TX interrupt enable
|
||
|
|
*
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 |= (__INTERRUPT__))
|
||
|
|
|
||
|
|
/** @brief Disable the specified I2C interrupt.
|
||
|
|
* @param __HANDLE__ specifies the I2C Handle.
|
||
|
|
* @param __INTERRUPT__ specifies the interrupt source to disable.
|
||
|
|
* This parameter can be one of the following values:
|
||
|
|
* @arg @ref I2C_IT_ERRI Errors interrupt enable
|
||
|
|
* @arg @ref I2C_IT_TCI Transfer complete interrupt enable
|
||
|
|
* @arg @ref I2C_IT_STOPI STOP detection interrupt enable
|
||
|
|
* @arg @ref I2C_IT_NACKI NACK received interrupt enable
|
||
|
|
* @arg @ref I2C_IT_ADDRI Address match interrupt enable
|
||
|
|
* @arg @ref I2C_IT_RXI RX interrupt enable
|
||
|
|
* @arg @ref I2C_IT_TXI TX interrupt enable
|
||
|
|
*
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))
|
||
|
|
|
||
|
|
/** @brief Check whether the specified I2C interrupt source is enabled or not.
|
||
|
|
* @param __HANDLE__ specifies the I2C Handle.
|
||
|
|
* @param __INTERRUPT__ specifies the I2C interrupt source to check.
|
||
|
|
* This parameter can be one of the following values:
|
||
|
|
* @arg @ref I2C_IT_ERRI Errors interrupt enable
|
||
|
|
* @arg @ref I2C_IT_TCI Transfer complete interrupt enable
|
||
|
|
* @arg @ref I2C_IT_STOPI STOP detection interrupt enable
|
||
|
|
* @arg @ref I2C_IT_NACKI NACK received interrupt enable
|
||
|
|
* @arg @ref I2C_IT_ADDRI Address match interrupt enable
|
||
|
|
* @arg @ref I2C_IT_RXI RX interrupt enable
|
||
|
|
* @arg @ref I2C_IT_TXI TX interrupt enable
|
||
|
|
*
|
||
|
|
* @retval The new state of __INTERRUPT__ (SET or RESET).
|
||
|
|
*/
|
||
|
|
#define __HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR1 & \
|
||
|
|
(__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
|
||
|
|
|
||
|
|
/** @brief Check whether the specified I2C flag is set or not.
|
||
|
|
* @param __HANDLE__ specifies the I2C Handle.
|
||
|
|
* @param __FLAG__ specifies the flag to check.
|
||
|
|
* This parameter can be one of the following values:
|
||
|
|
* @arg @ref I2C_FLAG_TXE Transmit data register empty
|
||
|
|
* @arg @ref I2C_FLAG_TXIS Transmit interrupt status
|
||
|
|
* @arg @ref I2C_FLAG_RXNE Receive data register not empty
|
||
|
|
* @arg @ref I2C_FLAG_ADDR Address matched (slave mode)
|
||
|
|
* @arg @ref I2C_FLAG_AF Acknowledge failure received flag
|
||
|
|
* @arg @ref I2C_FLAG_STOPF STOP detection flag
|
||
|
|
* @arg @ref I2C_FLAG_TC Transfer complete (master mode)
|
||
|
|
* @arg @ref I2C_FLAG_TCR Transfer complete reload
|
||
|
|
* @arg @ref I2C_FLAG_BERR Bus error
|
||
|
|
* @arg @ref I2C_FLAG_ARLO Arbitration lost
|
||
|
|
* @arg @ref I2C_FLAG_OVR Overrun/Underrun
|
||
|
|
* @arg @ref I2C_FLAG_PECERR PEC error in reception
|
||
|
|
* @arg @ref I2C_FLAG_TIMEOUT Timeout or Tlow detection flag
|
||
|
|
* @arg @ref I2C_FLAG_ALERT SMBus alert
|
||
|
|
* @arg @ref I2C_FLAG_BUSY Bus busy
|
||
|
|
* @arg @ref I2C_FLAG_DIR Transfer direction (slave mode)
|
||
|
|
*
|
||
|
|
* @retval The new state of __FLAG__ (SET or RESET).
|
||
|
|
*/
|
||
|
|
#define I2C_FLAG_MASK (0x0001FFFFU)
|
||
|
|
#define __HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) (((((__HANDLE__)->Instance->ISR) & \
|
||
|
|
(__FLAG__)) == (__FLAG__)) ? SET : RESET)
|
||
|
|
|
||
|
|
/** @brief Clear the I2C pending flags which are cleared by writing 1 in a specific bit.
|
||
|
|
* @param __HANDLE__ specifies the I2C Handle.
|
||
|
|
* @param __FLAG__ specifies the flag to clear.
|
||
|
|
* This parameter can be any combination of the following values:
|
||
|
|
* @arg @ref I2C_FLAG_TXE Transmit data register empty
|
||
|
|
* @arg @ref I2C_FLAG_ADDR Address matched (slave mode)
|
||
|
|
* @arg @ref I2C_FLAG_AF Acknowledge failure received flag
|
||
|
|
* @arg @ref I2C_FLAG_STOPF STOP detection flag
|
||
|
|
* @arg @ref I2C_FLAG_BERR Bus error
|
||
|
|
* @arg @ref I2C_FLAG_ARLO Arbitration lost
|
||
|
|
* @arg @ref I2C_FLAG_OVR Overrun/Underrun
|
||
|
|
* @arg @ref I2C_FLAG_PECERR PEC error in reception
|
||
|
|
* @arg @ref I2C_FLAG_TIMEOUT Timeout or Tlow detection flag
|
||
|
|
* @arg @ref I2C_FLAG_ALERT SMBus alert
|
||
|
|
*
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__FLAG__) == I2C_FLAG_TXE) ? \
|
||
|
|
((__HANDLE__)->Instance->ISR |= (__FLAG__)) : \
|
||
|
|
((__HANDLE__)->Instance->ICR = (__FLAG__)))
|
||
|
|
|
||
|
|
/** @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))
|
||
|
|
|
||
|
|
/** @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))
|
||
|
|
|
||
|
|
/** @brief Generate a Non-Acknowledge I2C peripheral in Slave mode.
|
||
|
|
* @param __HANDLE__ specifies the I2C Handle.
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
#define __HAL_I2C_GENERATE_NACK(__HANDLE__) (SET_BIT((__HANDLE__)->Instance->CR2, I2C_CR2_NACK))
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Include I2C HAL Extended module */
|
||
|
|
#include "stm32l4xx_hal_i2c_ex.h"
|
||
|
|
|
||
|
|
/* Exported 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);
|
||
|
|
|
||
|
|
/* Callbacks Register/UnRegister functions ***********************************/
|
||
|
|
#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
|
||
|
|
HAL_StatusTypeDef HAL_I2C_RegisterCallback(I2C_HandleTypeDef *hi2c, HAL_I2C_CallbackIDTypeDef CallbackID,
|
||
|
|
pI2C_CallbackTypeDef pCallback);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_UnRegisterCallback(I2C_HandleTypeDef *hi2c, HAL_I2C_CallbackIDTypeDef CallbackID);
|
||
|
|
|
||
|
|
HAL_StatusTypeDef HAL_I2C_RegisterAddrCallback(I2C_HandleTypeDef *hi2c, pI2C_AddrCallbackTypeDef pCallback);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_UnRegisterAddrCallback(I2C_HandleTypeDef *hi2c);
|
||
|
|
#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @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);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size,
|
||
|
|
uint32_t Timeout);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size,
|
||
|
|
uint32_t Timeout);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress,
|
||
|
|
uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress,
|
||
|
|
uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials,
|
||
|
|
uint32_t Timeout);
|
||
|
|
|
||
|
|
/******* Non-Blocking mode: Interrupt */
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData,
|
||
|
|
uint16_t Size);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData,
|
||
|
|
uint16_t Size);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Mem_Write_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress,
|
||
|
|
uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Mem_Read_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress,
|
||
|
|
uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
|
||
|
|
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData,
|
||
|
|
uint16_t Size, uint32_t XferOptions);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Master_Seq_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData,
|
||
|
|
uint16_t Size, uint32_t XferOptions);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Slave_Seq_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size,
|
||
|
|
uint32_t XferOptions);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Slave_Seq_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size,
|
||
|
|
uint32_t XferOptions);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_EnableListen_IT(I2C_HandleTypeDef *hi2c);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_DisableListen_IT(I2C_HandleTypeDef *hi2c);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Master_Abort_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress);
|
||
|
|
|
||
|
|
/******* Non-Blocking mode: DMA */
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData,
|
||
|
|
uint16_t Size);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData,
|
||
|
|
uint16_t Size);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
|
||
|
|
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);
|
||
|
|
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData,
|
||
|
|
uint16_t Size, uint32_t XferOptions);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Master_Seq_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData,
|
||
|
|
uint16_t Size, uint32_t XferOptions);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Slave_Seq_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size,
|
||
|
|
uint32_t XferOptions);
|
||
|
|
HAL_StatusTypeDef HAL_I2C_Slave_Seq_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size,
|
||
|
|
uint32_t XferOptions);
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @addtogroup I2C_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);
|
||
|
|
void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c);
|
||
|
|
void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c);
|
||
|
|
void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c);
|
||
|
|
void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c);
|
||
|
|
void HAL_I2C_AddrCallback(I2C_HandleTypeDef *hi2c, uint8_t TransferDirection, uint16_t AddrMatchCode);
|
||
|
|
void HAL_I2C_ListenCpltCallback(I2C_HandleTypeDef *hi2c);
|
||
|
|
void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c);
|
||
|
|
void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c);
|
||
|
|
void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c);
|
||
|
|
void HAL_I2C_AbortCpltCallback(I2C_HandleTypeDef *hi2c);
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @addtogroup I2C_Exported_Functions_Group3 Peripheral State, Mode and Error functions
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/* Peripheral State, Mode and Error functions *********************************/
|
||
|
|
HAL_I2C_StateTypeDef HAL_I2C_GetState(const I2C_HandleTypeDef *hi2c);
|
||
|
|
HAL_I2C_ModeTypeDef HAL_I2C_GetMode(const I2C_HandleTypeDef *hi2c);
|
||
|
|
uint32_t HAL_I2C_GetError(const I2C_HandleTypeDef *hi2c);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* 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 IS_I2C_TRANSFER_OPTIONS_REQUEST(REQUEST) (((REQUEST) == I2C_FIRST_FRAME) || \
|
||
|
|
((REQUEST) == I2C_FIRST_AND_NEXT_FRAME) || \
|
||
|
|
((REQUEST) == I2C_NEXT_FRAME) || \
|
||
|
|
((REQUEST) == I2C_FIRST_AND_LAST_FRAME) || \
|
||
|
|
((REQUEST) == I2C_LAST_FRAME) || \
|
||
|
|
((REQUEST) == I2C_LAST_FRAME_NO_STOP) || \
|
||
|
|
IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST))
|
||
|
|
|
||
|
|
#define IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST) (((REQUEST) == I2C_OTHER_FRAME) || \
|
||
|
|
((REQUEST) == I2C_OTHER_AND_LAST_FRAME))
|
||
|
|
|
||
|
|
#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 I2C_GET_ADDR_MATCH(__HANDLE__) ((uint16_t)(((__HANDLE__)->Instance->ISR & I2C_ISR_ADDCODE) \
|
||
|
|
>> 16U))
|
||
|
|
#define I2C_GET_DIR(__HANDLE__) ((uint8_t)(((__HANDLE__)->Instance->ISR & I2C_ISR_DIR) \
|
||
|
|
>> 16U))
|
||
|
|
#define I2C_GET_STOP_MODE(__HANDLE__) ((__HANDLE__)->Instance->CR2 & I2C_CR2_AUTOEND)
|
||
|
|
#define I2C_GET_OWN_ADDRESS1(__HANDLE__) ((uint16_t)((__HANDLE__)->Instance->OAR1 & I2C_OAR1_OA1))
|
||
|
|
#define I2C_GET_OWN_ADDRESS2(__HANDLE__) ((uint16_t)((__HANDLE__)->Instance->OAR2 & I2C_OAR2_OA2))
|
||
|
|
|
||
|
|
#define IS_I2C_OWN_ADDRESS1(ADDRESS1) ((ADDRESS1) <= 0x000003FFU)
|
||
|
|
#define IS_I2C_OWN_ADDRESS2(ADDRESS2) ((ADDRESS2) <= (uint16_t)0x00FFU)
|
||
|
|
|
||
|
|
#define I2C_MEM_ADD_MSB(__ADDRESS__) ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & \
|
||
|
|
(uint16_t)(0xFF00U))) >> 8U)))
|
||
|
|
#define I2C_MEM_ADD_LSB(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FFU))))
|
||
|
|
|
||
|
|
#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_AUTOEND)) & (~I2C_CR2_RD_WRN)))
|
||
|
|
|
||
|
|
#define I2C_CHECK_FLAG(__ISR__, __FLAG__) ((((__ISR__) & ((__FLAG__) & I2C_FLAG_MASK)) == \
|
||
|
|
((__FLAG__) & I2C_FLAG_MASK)) ? SET : RESET)
|
||
|
|
#define I2C_CHECK_IT_SOURCE(__CR1__, __IT__) ((((__CR1__) & (__IT__)) == (__IT__)) ? SET : RESET)
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Private Functions ---------------------------------------------------------*/
|
||
|
|
/** @defgroup I2C_Private_Functions I2C Private Functions
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/* Private functions are defined in stm32l4xx_hal_i2c.c file */
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* STM32L4xx_HAL_I2C_H */
|