254 lines
9.0 KiB
C
254 lines
9.0 KiB
C
/*
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******************************************************************************
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* @file HAL_I2C.h
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* @version V1.0.0
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* @date 2020
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* @brief Header file of I2C HAL module.
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******************************************************************************
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*/
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#ifndef __HAL_I2C_H__
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#define __HAL_I2C_H__
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#include "ACM32Fxx_HAL.h"
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/**************** Bit definition for I2C CR register ********************/
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#define I2C_CR_STOPF_INTEN BIT20
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#define I2C_CR_RX_ADDR3_INTEN BIT19
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#define I2C_CR_DMA_EN BIT18
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#define I2C_CR_TXE_SEL BIT17
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#define I2C_CR_MARLO_INTEN BIT16
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#define I2C_CR_TX_AUTO_EN BIT15
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#define I2C_CR_OD_MODE BIT14
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#define I2C_CR_RX_ADDR2_INT_EN BIT12
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#define I2C_CR_OVR_INT_EN BIT11
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#define I2C_CR_RXNE_INT_EN BIT10
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#define I2C_CR_TXE_INT_EN BIT9
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#define I2C_CR_RX_ADDR1_INT_EN BIT8
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#define I2C_CR_MTF_INT_EN BIT7
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#define I2C_CR_TACK BIT6
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#define I2C_CR_STOP BIT5
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#define I2C_CR_START BIT4
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#define I2C_CR_TX BIT3
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#define I2C_CR_MASTER BIT2
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#define I2C_CR_NOSTRETCH BIT1
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#define I2C_CR_MEN BIT0
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/**************** Bit definition for I2C SR register ********************/
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#define I2C_SR_TIMEOUTBF BIT16
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#define I2C_SR_TIMEOUTAF BIT15
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#define I2C_SR_RX_ADDR3 BIT14
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#define I2C_SR_RX_ADDR2 BIT12
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#define I2C_SR_OVR BIT11
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#define I2C_SR_RXNE BIT10
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#define I2C_SR_TXE BIT9
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#define I2C_SR_RX_ADDR1 BIT8
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#define I2C_SR_MTF BIT7
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#define I2C_SR_MARLO BIT6
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#define I2C_SR_TX_RX_FLAG BIT5
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#define I2C_SR_BUS_BUSY BIT4
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#define I2C_SR_SRW BIT3
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#define I2C_SR_STOPF BIT2
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#define I2C_SR_STARTF BIT1
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#define I2C_SR_RACK BIT0
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/************** Bit definition for I2C SLAVE ADDR2/3 register **************/
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#define I2C_ADDR3_EN BIT8
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#define I2C_ADDR2_EN BIT0
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/************** Bit definition for I2C TIMEOUT register **************/
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#define I2C_TIMEOUT_EXTEN BIT31
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#define I2C_TOUTB_INTEN BIT30
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#define I2C_EXT_MODE BIT29
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#define I2C_TIMEOUT_TIMOUTEN BIT15
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#define I2C_TOUTA_INTEN BIT14
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/** @defgroup I2C_MODE
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* @{
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*/
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#define I2C_MODE_SLAVE (0U)
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#define I2C_MODE_MASTER (1U)
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/**
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* @}
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*/
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/** @defgroup CLOCK_SPEED
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* @{
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*/
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#define CLOCK_SPEED_STANDARD (100000U)
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#define CLOCK_SPEED_FAST (400000U)
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#define CLOCK_SPEED_FAST_PLUS (1000000U)
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/**
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* @}
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*/
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/** @defgroup TX_AUTO_EN
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* @{
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*/
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#define TX_AUTO_EN_DISABLE (0U)
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#define TX_AUTO_EN_ENABLE (1U)
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/**
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* @}
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*/
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/** @defgroup NO_STRETCH_MODE
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* @{
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*/
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#define NO_STRETCH_MODE_STRETCH (0U)
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#define NO_STRETCH_MODE_NOSTRETCH (1U)
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/**
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* @}
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*/
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/** @defgroup SLAVE State machine
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* @{
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*/
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#define SLAVE_RX_STATE_IDLE (0U)
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#define SLAVE_RX_STATE_RECEIVING (1U)
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#define SLAVE_TX_STATE_IDLE (0U)
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#define SLAVE_TX_STATE_SENDING (1U)
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/**
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* @}
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*/
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/** @defgroup I2C_Memory_Address_Size I2C Memory Address Size
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* @{
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*/
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#define I2C_MEMADD_SIZE_8BIT (0U)
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#define I2C_MEMADD_SIZE_16BIT (1U)
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/**
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* @}
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*/
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/* Private macros ------------------------------------------------------------*/
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/** @defgroup I2C_Private_Macros I2C Private Macros
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* @{
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*/
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#define I2C_MEM_ADD_MSB(__ADDRESS__) ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)0xFF00)) >> 8)))
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#define I2C_MEM_ADD_LSB(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)0x00FF)))
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/**
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* @brief I2C Configuration Structure definition
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*/
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#define __HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) (((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__) ) ? 1 : 0)
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typedef enum
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{
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RESET = 0,
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SET = !RESET
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} FlagStatus, ITStatus;
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typedef struct
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{
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uint32_t I2C_Mode; /* This parameter can be a value of @ref I2C_MODE */
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uint32_t Tx_Auto_En; /* This parameter can be a value of @ref TX_AUTO_EN */
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uint32_t No_Stretch_Mode; /* This parameter can be a value of @ref NO_STRETCH_MODE */
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uint32_t Own_Address; /* This parameter can be a 7-bit address */
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uint32_t Clock_Speed; /* This parameter can be a value of @ref CLOCK_SPEED */
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} I2C_InitTypeDef;
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/******************************** Check I2C Parameter *******************************/
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#define IS_I2C_ALL_MODE(I2C_MODE) (((I2C_MODE) == I2C_MODE_SLAVE) || \
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((I2C_MODE) == I2C_MODE_MASTER))
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#define IS_I2C_CLOCK_SPEED(CLOCK_SPEED) (((CLOCK_SPEED) > 0U) && ((CLOCK_SPEED) <=1000000U))
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#define IS_I2C_TX_AUTO_EN(TX_AUTO_EN) (((TX_AUTO_EN) == TX_AUTO_EN_DISABLE) || \
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((TX_AUTO_EN) == TX_AUTO_EN_ENABLE))
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#define IS_I2C_STRETCH_EN(STRETCH_EN) (((STRETCH_EN) == NO_STRETCH_MODE_STRETCH) || \
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((STRETCH_EN) == NO_STRETCH_MODE_NOSTRETCH))
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/**
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* @brief I2C handle Structure definition
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*/
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typedef struct
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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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uint32_t Slave_RxState; /* I2C Slave state machine */
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uint32_t Slave_TxState; /* I2C Slave state machine */
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uint8_t *Rx_Buffer; /* I2C Rx Buffer */
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uint8_t *Tx_Buffer; /* I2C Tx Buffer */
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uint32_t Rx_Size; /* I2C Rx Size */
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uint32_t Tx_Size; /* I2C Tx Size */
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uint32_t Rx_Count; /* I2C Rx Count */
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uint32_t Tx_Count; /* I2C Tx Count */
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DMA_HandleTypeDef *HDMA_Rx; /* I2C Rx DMA handle parameters */
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DMA_HandleTypeDef *HDMA_Tx; /* I2C Tx DMA handle parameters */
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void (*I2C_STOPF_Callback)(void); /* I2C STOP flag interrupt callback */
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}I2C_HandleTypeDef;
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/******************************** I2C Instances *******************************/
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#define IS_I2C_ALL_INSTANCE(INSTANCE) (((INSTANCE) == I2C1) || ((INSTANCE) == I2C2))
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/* Function : HAL_I2C_IRQHandler */
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void HAL_I2C_IRQHandler(I2C_HandleTypeDef *hi2c);
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/* Function : HAL_I2C_MspInit */
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void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c);
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/* Function : HAL_I2C_MspDeInit */
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void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c);
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/* Function : HAL_I2C_Init */
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HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c);
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/* Function : HAL_I2C_DeInit */
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HAL_StatusTypeDef HAL_I2C_DeInit(I2C_HandleTypeDef *hi2c);
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/* Function : HAL_I2C_Master_Transmit */
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HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout);
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/* Function : HAL_I2C_Master_Receive */
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HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout);
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/* Function : HAL_I2C_Slave_Transmit */
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HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint32_t Size, uint32_t Timeout);
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/* Function : HAL_I2C_Slave_Receive */
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HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint32_t Size, uint32_t Timeout);
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/* Function : HAL_I2C_Slave_Transmit_IT */
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HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint32_t Size);
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/* Function : HAL_I2C_Slave_Receive_IT */
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HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint32_t Size);
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/* Function : HAL_I2C_Slave_Receive_DMA */
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HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint32_t Size);
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/* Function : HAL_I2C_Slave_Transmit_DMA */
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HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint32_t Size);
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/* Function : HAL_I2C_Mem_Write */
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HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef *hi2c, uint8_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout);
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/* Function : HAL_I2C_Mem_Read */
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HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint8_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout);
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/* Function : HAL_I2C_GetSlaveRxState */
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uint8_t HAL_I2C_GetSlaveRxState(I2C_HandleTypeDef *hi2c);
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/* Function : HAL_I2C_GetSlaveTxState */
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uint8_t HAL_I2C_GetSlaveTxState(I2C_HandleTypeDef *hi2c);
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#endif
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