/** | |
****************************************************************************** | |
* @file stm32f1xx_hal_i2c.h | |
* @author MCD Application Team | |
* @version V1.0.4 | |
* @date 29-April-2016 | |
* @brief Header file of I2C HAL module. | |
****************************************************************************** | |
* @attention | |
* | |
* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> | |
* | |
* Redistribution and use in source and binary forms, with or without modification, | |
* are permitted provided that the following conditions are met: | |
* 1. Redistributions of source code must retain the above copyright notice, | |
* this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright notice, | |
* this list of conditions and the following disclaimer in the documentation | |
* and/or other materials provided with the distribution. | |
* 3. Neither the name of STMicroelectronics nor the names of its contributors | |
* may be used to endorse or promote products derived from this software | |
* without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
* | |
****************************************************************************** | |
*/ | |
/* Define to prevent recursive inclusion -------------------------------------*/ | |
#ifndef __STM32F1xx_HAL_I2C_H | |
#define __STM32F1xx_HAL_I2C_H | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
/* Includes ------------------------------------------------------------------*/ | |
#include "stm32f1xx_hal_def.h" | |
/** @addtogroup STM32F1xx_HAL_Driver | |
* @{ | |
*/ | |
/** @addtogroup I2C | |
* @{ | |
*/ | |
/* 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 | |
{ | |
uint32_t ClockSpeed; /*!< Specifies the clock frequency. | |
This parameter must be set to a value lower than 400kHz */ | |
uint32_t DutyCycle; /*!< Specifies the I2C fast mode duty cycle. | |
This parameter can be a value of @ref I2C_duty_cycle_in_fast_mode */ | |
uint32_t OwnAddress1; /*!< Specifies the first device own address. | |
This parameter can be a 7-bit or 10-bit address. */ | |
uint32_t AddressingMode; /*!< Specifies if 7-bit or 10-bit addressing mode is selected. | |
This parameter can be a value of @ref I2C_addressing_mode */ | |
uint32_t DualAddressMode; /*!< Specifies if dual addressing mode is selected. | |
This parameter can be a value of @ref I2C_dual_addressing_mode */ | |
uint32_t OwnAddress2; /*!< Specifies the second device own address if dual addressing mode is selected | |
This parameter can be a 7-bit address. */ | |
uint32_t GeneralCallMode; /*!< Specifies if general call mode is selected. | |
This parameter can be a value of @ref I2C_general_call_addressing_mode */ | |
uint32_t NoStretchMode; /*!< Specifies if nostretch mode is selected. | |
This parameter can be a value of @ref I2C_nostretch_mode */ | |
}I2C_InitTypeDef; | |
/** | |
* @} | |
*/ | |
/** @defgroup HAL_state_structure_definition HAL state structure definition | |
* @brief HAL State structure definition | |
* @{ | |
*/ | |
typedef enum | |
{ | |
HAL_I2C_STATE_RESET = 0x00, /*!< Peripheral is not yet Initialized */ | |
HAL_I2C_STATE_READY = 0x20, /*!< Peripheral Initialized and ready for use */ | |
HAL_I2C_STATE_BUSY = 0x24, /*!< An internal process is ongoing */ | |
HAL_I2C_STATE_BUSY_TX = 0x21, /*!< Data Transmission process is ongoing */ | |
HAL_I2C_STATE_BUSY_RX = 0x22, /*!< Data Reception process is ongoing */ | |
HAL_I2C_STATE_TIMEOUT = 0xA0, /*!< Timeout state */ | |
HAL_I2C_STATE_ERROR = 0xE0 /*!< Error */ | |
}HAL_I2C_StateTypeDef; | |
/** | |
* @} | |
*/ | |
/** @defgroup HAL_mode_structure_definition HAL mode structure definition | |
* @brief HAL Mode structure definition | |
* @{ | |
*/ | |
typedef enum | |
{ | |
HAL_I2C_MODE_NONE = 0x00, /*!< No I2C communication on going */ | |
HAL_I2C_MODE_MASTER = 0x10, /*!< I2C communication is in Master Mode */ | |
HAL_I2C_MODE_SLAVE = 0x20, /*!< I2C communication is in Slave Mode */ | |
HAL_I2C_MODE_MEM = 0x40 /*!< I2C communication is in Memory Mode */ | |
}HAL_I2C_ModeTypeDef; | |
/** | |
* @} | |
*/ | |
/** @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 */ | |
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_ModeTypeDef Mode; /*!< I2C communication mode */ | |
__IO uint32_t ErrorCode; /*!< I2C Error code */ | |
}I2C_HandleTypeDef; | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/* Exported constants --------------------------------------------------------*/ | |
/** @defgroup I2C_Exported_Constants I2C Exported Constants | |
* @{ | |
*/ | |
/** @defgroup I2C_Error_Codes I2C Error Codes | |
* @{ | |
*/ | |
#define HAL_I2C_ERROR_NONE ((uint32_t)0x00) /*!< No error */ | |
#define HAL_I2C_ERROR_BERR ((uint32_t)0x01) /*!< BERR error */ | |
#define HAL_I2C_ERROR_ARLO ((uint32_t)0x02) /*!< ARLO error */ | |
#define HAL_I2C_ERROR_AF ((uint32_t)0x04) /*!< AF error */ | |
#define HAL_I2C_ERROR_OVR ((uint32_t)0x08) /*!< OVR error */ | |
#define HAL_I2C_ERROR_DMA ((uint32_t)0x10) /*!< DMA transfer error */ | |
#define HAL_I2C_ERROR_TIMEOUT ((uint32_t)0x20) /*!< Timeout error */ | |
/** | |
* @} | |
*/ | |
/** @defgroup I2C_duty_cycle_in_fast_mode I2C Duty Cycle | |
* @{ | |
*/ | |
#define I2C_DUTYCYCLE_2 ((uint32_t)0x00000000) | |
#define I2C_DUTYCYCLE_16_9 I2C_CCR_DUTY | |
/** | |
* @} | |
*/ | |
/** @defgroup I2C_addressing_mode I2C addressing mode | |
* @{ | |
*/ | |
#define I2C_ADDRESSINGMODE_7BIT ((uint32_t)0x00004000) | |
#define I2C_ADDRESSINGMODE_10BIT (I2C_OAR1_ADDMODE | ((uint32_t)0x00004000)) | |
/** | |
* @} | |
*/ | |
/** @defgroup I2C_dual_addressing_mode I2C dual addressing mode | |
* @{ | |
*/ | |
#define I2C_DUALADDRESS_DISABLE ((uint32_t)0x00000000) | |
#define I2C_DUALADDRESS_ENABLE I2C_OAR2_ENDUAL | |
/** | |
* @} | |
*/ | |
/** @defgroup I2C_general_call_addressing_mode I2C general call addressing mode | |
* @{ | |
*/ | |
#define I2C_GENERALCALL_DISABLE ((uint32_t)0x00000000) | |
#define I2C_GENERALCALL_ENABLE I2C_CR1_ENGC | |
/** | |
* @} | |
*/ | |
/** @defgroup I2C_nostretch_mode I2C nostretch mode | |
* @{ | |
*/ | |
#define I2C_NOSTRETCH_DISABLE ((uint32_t)0x00000000) | |
#define I2C_NOSTRETCH_ENABLE I2C_CR1_NOSTRETCH | |
/** | |
* @} | |
*/ | |
/** @defgroup I2C_Memory_Address_Size I2C Memory Address Size | |
* @{ | |
*/ | |
#define I2C_MEMADD_SIZE_8BIT ((uint32_t)0x00000001) | |
#define I2C_MEMADD_SIZE_16BIT ((uint32_t)0x00000010) | |
/** | |
* @} | |
*/ | |
/** @defgroup I2C_Interrupt_configuration_definition I2C Interrupt configuration definition | |
* @{ | |
*/ | |
#define I2C_IT_BUF I2C_CR2_ITBUFEN | |
#define I2C_IT_EVT I2C_CR2_ITEVTEN | |
#define I2C_IT_ERR I2C_CR2_ITERREN | |
/** | |
* @} | |
*/ | |
/** @defgroup I2C_Flag_definition I2C Flag definition | |
* @brief I2C Interrupt definition | |
* - 0001XXXX : Flag control mask for SR1 Register | |
* - 0010XXXX : Flag control mask for SR2 Register | |
* @{ | |
*/ | |
#define I2C_FLAG_SMBALERT ((uint32_t)0x00018000) | |
#define I2C_FLAG_TIMEOUT ((uint32_t)0x00014000) | |
#define I2C_FLAG_PECERR ((uint32_t)0x00011000) | |
#define I2C_FLAG_OVR ((uint32_t)0x00010800) | |
#define I2C_FLAG_AF ((uint32_t)0x00010400) | |
#define I2C_FLAG_ARLO ((uint32_t)0x00010200) | |
#define I2C_FLAG_BERR ((uint32_t)0x00010100) | |
#define I2C_FLAG_TXE ((uint32_t)0x00010080) | |
#define I2C_FLAG_RXNE ((uint32_t)0x00010040) | |
#define I2C_FLAG_STOPF ((uint32_t)0x00010010) | |
#define I2C_FLAG_ADD10 ((uint32_t)0x00010008) | |
#define I2C_FLAG_BTF ((uint32_t)0x00010004) | |
#define I2C_FLAG_ADDR ((uint32_t)0x00010002) | |
#define I2C_FLAG_SB ((uint32_t)0x00010001) | |
#define I2C_FLAG_DUALF ((uint32_t)0x00100080) | |
#define I2C_FLAG_SMBHOST ((uint32_t)0x00100040) | |
#define I2C_FLAG_SMBDEFAULT ((uint32_t)0x00100020) | |
#define I2C_FLAG_GENCALL ((uint32_t)0x00100010) | |
#define I2C_FLAG_TRA ((uint32_t)0x00100004) | |
#define I2C_FLAG_BUSY ((uint32_t)0x00100002) | |
#define I2C_FLAG_MSL ((uint32_t)0x00100001) | |
#define I2C_FLAG_MASK ((uint32_t)0x0000FFFF) | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/* Exported macros -----------------------------------------------------------*/ | |
/** @defgroup I2C_Exported_Macros I2C Exported Macros | |
* @{ | |
*/ | |
/** @brief Reset I2C handle state. | |
* @param __HANDLE__ specifies the I2C Handle. | |
* @retval None | |
*/ | |
#define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET) | |
/** @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_BUF Buffer interrupt enable | |
* @arg @ref I2C_IT_EVT Event interrupt enable | |
* @arg @ref I2C_IT_ERR Error interrupt enable | |
* @retval None | |
*/ | |
#define __HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) (SET_BIT((__HANDLE__)->Instance->CR2, (__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_BUF Buffer interrupt enable | |
* @arg @ref I2C_IT_EVT Event interrupt enable | |
* @arg @ref I2C_IT_ERR Error interrupt enable | |
* @retval None | |
*/ | |
#define __HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) (CLEAR_BIT((__HANDLE__)->Instance->CR2, (__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_BUF Buffer interrupt enable | |
* @arg @ref I2C_IT_EVT Event interrupt enable | |
* @arg @ref I2C_IT_ERR Error interrupt enable | |
* @retval The new state of __INTERRUPT__ (TRUE or FALSE). | |
*/ | |
#define __HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__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_SMBALERT SMBus Alert flag | |
* @arg @ref I2C_FLAG_TIMEOUT Timeout or Tlow error flag | |
* @arg @ref I2C_FLAG_PECERR PEC error in reception flag | |
* @arg @ref I2C_FLAG_OVR Overrun/Underrun flag | |
* @arg @ref I2C_FLAG_AF Acknowledge failure flag | |
* @arg @ref I2C_FLAG_ARLO Arbitration lost flag | |
* @arg @ref I2C_FLAG_BERR Bus error flag | |
* @arg @ref I2C_FLAG_TXE Data register empty flag | |
* @arg @ref I2C_FLAG_RXNE Data register not empty flag | |
* @arg @ref I2C_FLAG_STOPF Stop detection flag | |
* @arg @ref I2C_FLAG_ADD10 10-bit header sent flag | |
* @arg @ref I2C_FLAG_BTF Byte transfer finished flag | |
* @arg @ref I2C_FLAG_ADDR Address sent flag | |
* Address matched flag | |
* @arg @ref I2C_FLAG_SB Start bit flag | |
* @arg @ref I2C_FLAG_DUALF Dual flag | |
* @arg @ref I2C_FLAG_SMBHOST SMBus host header | |
* @arg @ref I2C_FLAG_SMBDEFAULT SMBus default header | |
* @arg @ref I2C_FLAG_GENCALL General call header flag | |
* @arg @ref I2C_FLAG_TRA Transmitter/Receiver flag | |
* @arg @ref I2C_FLAG_BUSY Bus busy flag | |
* @arg @ref I2C_FLAG_MSL Master/Slave flag | |
* @retval The new state of __FLAG__ (TRUE or FALSE). | |
*/ | |
#define __HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) ((((uint8_t)((__FLAG__) >> 16)) == 0x01)?((((__HANDLE__)->Instance->SR1) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)): \ | |
((((__HANDLE__)->Instance->SR2) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK))) | |
/** @brief Clear the I2C pending flags which are cleared by writing 0 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_SMBALERT SMBus Alert flag | |
* @arg @ref I2C_FLAG_TIMEOUT Timeout or Tlow error flag | |
* @arg @ref I2C_FLAG_PECERR PEC error in reception flag | |
* @arg @ref I2C_FLAG_OVR Overrun/Underrun flag (Slave mode) | |
* @arg @ref I2C_FLAG_AF Acknowledge failure flag | |
* @arg @ref I2C_FLAG_ARLO Arbitration lost flag (Master mode) | |
* @arg @ref I2C_FLAG_BERR Bus error flag | |
* | |
* @retval None | |
*/ | |
#define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) (__HANDLE__)->Instance->SR1 = (((__HANDLE__)->Instance->SR1) & (~((__FLAG__) & I2C_FLAG_MASK))) | |
/** @brief Clears the I2C ADDR pending flag. | |
* @param __HANDLE__: specifies the I2C Handle. | |
* @retval None | |
*/ | |
#define __HAL_I2C_CLEAR_ADDRFLAG(__HANDLE__) \ | |
do{ \ | |
__IO uint32_t tmpreg; \ | |
tmpreg = (__HANDLE__)->Instance->SR1; \ | |
tmpreg = (__HANDLE__)->Instance->SR2; \ | |
UNUSED(tmpreg); \ | |
}while(0) | |
/** @brief Clears the I2C STOPF pending flag. | |
* @param __HANDLE__: specifies the I2C Handle. | |
* @retval None | |
*/ | |
#define __HAL_I2C_CLEAR_STOPFLAG(__HANDLE__) \ | |
do{ \ | |
__IO uint32_t tmpreg; \ | |
tmpreg = (__HANDLE__)->Instance->SR1; \ | |
tmpreg = (__HANDLE__)->Instance->CR1 |= I2C_CR1_PE; \ | |
UNUSED(tmpreg); \ | |
}while(0) | |
/** @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)) | |
/** | |
* @} | |
*/ | |
/* Exported functions --------------------------------------------------------*/ | |
/** @addtogroup I2C_Exported_Functions | |
* @{ | |
*/ | |
/** @addtogroup I2C_Exported_Functions_Group1 Initialization and de-initialization functions | |
* @{ | |
*/ | |
/* Initialization/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); | |
/** | |
* @} | |
*/ | |
/** @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); | |
/******* 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); | |
/** | |
* @} | |
*/ | |
/** @addtogroup I2C_Exported_Functions_Group4 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_MemTxCpltCallback(I2C_HandleTypeDef *hi2c); | |
void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c); | |
void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c); | |
/** | |
* @} | |
*/ | |
/** @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); | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/* Private constants ---------------------------------------------------------*/ | |
/** @defgroup I2C_Private_Constants I2C Private Constants | |
* @{ | |
*/ | |
#define I2C_STANDARD_MODE_MAX_CLK ((uint32_t)100000) /* Standard Clock Up to 100kHz */ | |
#define I2C_FAST_MODE_MAX_CLK ((uint32_t)400000) /* Fast Clock up to 400kHz */ | |
/** | |
* @} | |
*/ | |
/* Private macros ------------------------------------------------------------*/ | |
/** @defgroup I2C_Private_Macro I2C Private Macros | |
* @{ | |
*/ | |
#define IS_I2C_ADDRESSING_MODE(ADDRESS) (((ADDRESS) == I2C_ADDRESSINGMODE_7BIT) || \ | |
((ADDRESS) == I2C_ADDRESSINGMODE_10BIT)) | |
#define IS_I2C_DUAL_ADDRESS(ADDRESS) (((ADDRESS) == I2C_DUALADDRESS_DISABLE) || \ | |
((ADDRESS) == I2C_DUALADDRESS_ENABLE)) | |
#define IS_I2C_GENERAL_CALL(CALL) (((CALL) == I2C_GENERALCALL_DISABLE) || \ | |
((CALL) == I2C_GENERALCALL_ENABLE)) | |
#define IS_I2C_MEMADD_SIZE(SIZE) (((SIZE) == I2C_MEMADD_SIZE_8BIT) || \ | |
((SIZE) == I2C_MEMADD_SIZE_16BIT)) | |
#define IS_I2C_NO_STRETCH(STRETCH) (((STRETCH) == I2C_NOSTRETCH_DISABLE) || \ | |
((STRETCH) == I2C_NOSTRETCH_ENABLE)) | |
#define IS_I2C_OWN_ADDRESS1(ADDRESS1) (((ADDRESS1) & (uint32_t)(0xFFFFFC00)) == 0) | |
#define IS_I2C_OWN_ADDRESS2(ADDRESS2) (((ADDRESS2) & (uint32_t)(0xFFFFFF01)) == 0) | |
#define IS_I2C_CLOCK_SPEED(SPEED) (((SPEED) > 0) && ((SPEED) <= I2C_FAST_MODE_MAX_CLK)) | |
#define IS_I2C_DUTY_CYCLE(CYCLE) (((CYCLE) == I2C_DUTYCYCLE_2) || \ | |
((CYCLE) == I2C_DUTYCYCLE_16_9)) | |
#define I2C_FREQ_RANGE(__PCLK__) ((__PCLK__)/1000000) | |
#define I2C_RISE_TIME(__FREQRANGE__, __SPEED__) (((__SPEED__) <= I2C_STANDARD_MODE_MAX_CLK) ? ((__FREQRANGE__) + 1) : ((((__FREQRANGE__) * 300) / 1000) + 1)) | |
#define I2C_SPEED_STANDARD(__PCLK__, __SPEED__) (((((__PCLK__)/((__SPEED__) << 1)) & I2C_CCR_CCR) < 4)? 4:((__PCLK__) / ((__SPEED__) << 1))) | |
#define I2C_SPEED_FAST(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__DUTYCYCLE__) == I2C_DUTYCYCLE_2)? ((__PCLK__) / ((__SPEED__) * 3)) : (((__PCLK__) / ((__SPEED__) * 25)) | I2C_DUTYCYCLE_16_9)) | |
#define I2C_SPEED(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__SPEED__) <= 100000)? (I2C_SPEED_STANDARD((__PCLK__), (__SPEED__))) : \ | |
((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__)) & I2C_CCR_CCR) == 0)? 1 : \ | |
((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__))) | I2C_CCR_FS)) | |
#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_7BIT_ADD_WRITE(__ADDRESS__) ((uint8_t)((__ADDRESS__) & (~I2C_OAR1_ADD0))) | |
#define I2C_7BIT_ADD_READ(__ADDRESS__) ((uint8_t)((__ADDRESS__) | I2C_OAR1_ADD0)) | |
#define I2C_10BIT_ADDRESS(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FF)))) | |
#define I2C_10BIT_HEADER_WRITE(__ADDRESS__) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0x0300))) >> 7) | (uint16_t)(0xF0)))) | |
#define I2C_10BIT_HEADER_READ(__ADDRESS__) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0x0300))) >> 7) | (uint16_t)(0xF1)))) | |
/** | |
* @} | |
*/ | |
/* Private Fonctions ---------------------------------------------------------*/ | |
/** @defgroup I2C_Private_Functions I2C Private Functions | |
* @{ | |
*/ | |
/* Private functions are defined in stm32f1xx_hal_i2c.c file */ | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* __STM32F1xx_HAL_I2C_H */ | |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |