| /** |
| ****************************************************************************** |
| * @file stm32f4xx_hal_i2c.h |
| * @author MCD Application Team |
| * @brief Header file of I2C HAL module. |
| ****************************************************************************** |
| * @attention |
| * |
| * <h2><center>© COPYRIGHT(c) 2017 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 __STM32F4xx_HAL_I2C_H |
| #define __STM32F4xx_HAL_I2C_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32f4xx_hal_def.h" |
| |
| /** @addtogroup STM32F4xx_HAL_Driver |
| * @{ |
| */ |
| |
| /** @addtogroup I2C |
| * @{ |
| */ |
| |
| /* Exported types ------------------------------------------------------------*/ |
| /** @defgroup I2C_Exported_Types I2C Exported Types |
| * @{ |
| */ |
| |
| /** |
| * @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; |
| |
| /** |
| * @brief HAL State structure definition |
| * @note HAL I2C State value coding follow below described bitmap : |
| * b7-b6 Error information |
| * 00 : No Error |
| * 01 : Abort (Abort user request on going) |
| * 10 : Timeout |
| * 11 : Error |
| * b5 IP initilisation status |
| * 0 : Reset (IP not initialized) |
| * 1 : Init done (IP initialized and ready to use. HAL I2C Init function called) |
| * b4 (not used) |
| * x : Should be set to 0 |
| * b3 |
| * 0 : Ready or Busy (No Listen mode ongoing) |
| * 1 : Listen (IP in Address Listen Mode) |
| * b2 Intrinsic process state |
| * 0 : Ready |
| * 1 : Busy (IP busy with some configuration or internal operations) |
| * b1 Rx state |
| * 0 : Ready (no Rx operation ongoing) |
| * 1 : Busy (Rx operation ongoing) |
| * b0 Tx state |
| * 0 : Ready (no Tx operation ongoing) |
| * 1 : Busy (Tx operation ongoing) |
| */ |
| typedef enum |
| { |
| HAL_I2C_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized */ |
| HAL_I2C_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use */ |
| HAL_I2C_STATE_BUSY = 0x24U, /*!< An internal process is ongoing */ |
| HAL_I2C_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing */ |
| HAL_I2C_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */ |
| HAL_I2C_STATE_LISTEN = 0x28U, /*!< Address Listen Mode is ongoing */ |
| HAL_I2C_STATE_BUSY_TX_LISTEN = 0x29U, /*!< Address Listen Mode and Data Transmission |
| process is ongoing */ |
| HAL_I2C_STATE_BUSY_RX_LISTEN = 0x2AU, /*!< Address Listen Mode and Data Reception |
| process is ongoing */ |
| HAL_I2C_STATE_ABORT = 0x60U, /*!< Abort user request ongoing */ |
| HAL_I2C_STATE_TIMEOUT = 0xA0U, /*!< Timeout state */ |
| HAL_I2C_STATE_ERROR = 0xE0U /*!< Error */ |
| |
| }HAL_I2C_StateTypeDef; |
| |
| /** |
| * @brief HAL Mode structure definition |
| * @note HAL I2C Mode value coding follow below described bitmap : |
| * b7 (not used) |
| * x : Should be set to 0 |
| * b6 |
| * 0 : None |
| * 1 : Memory (HAL I2C communication is in Memory Mode) |
| * b5 |
| * 0 : None |
| * 1 : Slave (HAL I2C communication is in Slave Mode) |
| * b4 |
| * 0 : None |
| * 1 : Master (HAL I2C communication is in Master Mode) |
| * b3-b2-b1-b0 (not used) |
| * xxxx : Should be set to 0000 |
| */ |
| typedef enum |
| { |
| HAL_I2C_MODE_NONE = 0x00U, /*!< No I2C communication on going */ |
| HAL_I2C_MODE_MASTER = 0x10U, /*!< I2C communication is in Master Mode */ |
| HAL_I2C_MODE_SLAVE = 0x20U, /*!< I2C communication is in Slave Mode */ |
| HAL_I2C_MODE_MEM = 0x40U /*!< I2C communication is in Memory Mode */ |
| |
| }HAL_I2C_ModeTypeDef; |
| |
| /** |
| * @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 */ |
| |
| __IO uint32_t XferOptions; /*!< I2C transfer options */ |
| |
| __IO uint32_t PreviousState; /*!< I2C communication Previous state and mode |
| context for internal usage */ |
| |
| 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 */ |
| |
| __IO uint32_t Devaddress; /*!< I2C Target device address */ |
| |
| __IO uint32_t Memaddress; /*!< I2C Target memory address */ |
| |
| __IO uint32_t MemaddSize; /*!< I2C Target memory address size */ |
| |
| __IO uint32_t EventCount; /*!< I2C Event counter */ |
| |
| }I2C_HandleTypeDef; |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported constants --------------------------------------------------------*/ |
| /** @defgroup I2C_Exported_Constants I2C Exported Constants |
| * @{ |
| */ |
| |
| /** @defgroup I2C_Error_Code I2C Error Code |
| * @brief I2C Error Code |
| * @{ |
| */ |
| #define HAL_I2C_ERROR_NONE 0x00000000U /*!< No error */ |
| #define HAL_I2C_ERROR_BERR 0x00000001U /*!< BERR error */ |
| #define HAL_I2C_ERROR_ARLO 0x00000002U /*!< ARLO error */ |
| #define HAL_I2C_ERROR_AF 0x00000004U /*!< AF error */ |
| #define HAL_I2C_ERROR_OVR 0x00000008U /*!< OVR error */ |
| #define HAL_I2C_ERROR_DMA 0x00000010U /*!< DMA transfer error */ |
| #define HAL_I2C_ERROR_TIMEOUT 0x00000020U /*!< Timeout Error */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup I2C_duty_cycle_in_fast_mode I2C duty cycle in fast mode |
| * @{ |
| */ |
| #define I2C_DUTYCYCLE_2 0x00000000U |
| #define I2C_DUTYCYCLE_16_9 I2C_CCR_DUTY |
| /** |
| * @} |
| */ |
| |
| /** @defgroup I2C_addressing_mode I2C addressing mode |
| * @{ |
| */ |
| #define I2C_ADDRESSINGMODE_7BIT 0x00004000U |
| #define I2C_ADDRESSINGMODE_10BIT (I2C_OAR1_ADDMODE | 0x00004000U) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup I2C_dual_addressing_mode I2C dual addressing mode |
| * @{ |
| */ |
| #define I2C_DUALADDRESS_DISABLE 0x00000000U |
| #define I2C_DUALADDRESS_ENABLE I2C_OAR2_ENDUAL |
| /** |
| * @} |
| */ |
| |
| /** @defgroup I2C_general_call_addressing_mode I2C general call addressing mode |
| * @{ |
| */ |
| #define I2C_GENERALCALL_DISABLE 0x00000000U |
| #define I2C_GENERALCALL_ENABLE I2C_CR1_ENGC |
| /** |
| * @} |
| */ |
| |
| /** @defgroup I2C_nostretch_mode I2C nostretch 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 0x00000010U |
| /** |
| * @} |
| */ |
| |
| /** @defgroup I2C_XferDirection_definition I2C XferDirection definition |
| * @{ |
| */ |
| #define I2C_DIRECTION_RECEIVE 0x00000000U |
| #define I2C_DIRECTION_TRANSMIT 0x00000001U |
| /** |
| * @} |
| */ |
| |
| /** @defgroup I2C_XferOptions_definition I2C XferOptions definition |
| * @{ |
| */ |
| #define I2C_FIRST_FRAME 0x00000001U |
| #define I2C_NEXT_FRAME 0x00000002U |
| #define I2C_FIRST_AND_LAST_FRAME 0x00000004U |
| #define I2C_LAST_FRAME 0x00000008U |
| /** |
| * @} |
| */ |
| |
| /** @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 |
| * @{ |
| */ |
| #define I2C_FLAG_SMBALERT 0x00018000U |
| #define I2C_FLAG_TIMEOUT 0x00014000U |
| #define I2C_FLAG_PECERR 0x00011000U |
| #define I2C_FLAG_OVR 0x00010800U |
| #define I2C_FLAG_AF 0x00010400U |
| #define I2C_FLAG_ARLO 0x00010200U |
| #define I2C_FLAG_BERR 0x00010100U |
| #define I2C_FLAG_TXE 0x00010080U |
| #define I2C_FLAG_RXNE 0x00010040U |
| #define I2C_FLAG_STOPF 0x00010010U |
| #define I2C_FLAG_ADD10 0x00010008U |
| #define I2C_FLAG_BTF 0x00010004U |
| #define I2C_FLAG_ADDR 0x00010002U |
| #define I2C_FLAG_SB 0x00010001U |
| #define I2C_FLAG_DUALF 0x00100080U |
| #define I2C_FLAG_SMBHOST 0x00100040U |
| #define I2C_FLAG_SMBDEFAULT 0x00100020U |
| #define I2C_FLAG_GENCALL 0x00100010U |
| #define I2C_FLAG_TRA 0x00100004U |
| #define I2C_FLAG_BUSY 0x00100002U |
| #define I2C_FLAG_MSL 0x00100001U |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported macro ------------------------------------------------------------*/ |
| /** @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, 2, or 3 to select the I2C peripheral. |
| * @retval None |
| */ |
| #define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET) |
| |
| /** @brief Enable or disable the specified I2C interrupts. |
| * @param __HANDLE__ specifies the I2C Handle. |
| * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. |
| * @param __INTERRUPT__ specifies the interrupt source to enable or disable. |
| * This parameter can be one of the following values: |
| * @arg I2C_IT_BUF: Buffer interrupt enable |
| * @arg I2C_IT_EVT: Event interrupt enable |
| * @arg I2C_IT_ERR: Error interrupt enable |
| * @retval None |
| */ |
| #define __HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR2 |= (__INTERRUPT__)) |
| #define __HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR2 &= (~(__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, 2, or 3 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_BUF: Buffer interrupt enable |
| * @arg I2C_IT_EVT: Event interrupt enable |
| * @arg 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 Checks whether the specified I2C flag is set or not. |
| * @param __HANDLE__ specifies the I2C Handle. |
| * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. |
| * @param __FLAG__ specifies the flag to check. |
| * This parameter can be one of the following values: |
| * @arg I2C_FLAG_SMBALERT: SMBus Alert flag |
| * @arg I2C_FLAG_TIMEOUT: Timeout or Tlow error flag |
| * @arg I2C_FLAG_PECERR: PEC error in reception flag |
| * @arg I2C_FLAG_OVR: Overrun/Underrun flag |
| * @arg I2C_FLAG_AF: Acknowledge failure flag |
| * @arg I2C_FLAG_ARLO: Arbitration lost flag |
| * @arg I2C_FLAG_BERR: Bus error flag |
| * @arg I2C_FLAG_TXE: Data register empty flag |
| * @arg I2C_FLAG_RXNE: Data register not empty flag |
| * @arg I2C_FLAG_STOPF: Stop detection flag |
| * @arg I2C_FLAG_ADD10: 10-bit header sent flag |
| * @arg I2C_FLAG_BTF: Byte transfer finished flag |
| * @arg I2C_FLAG_ADDR: Address sent flag |
| * Address matched flag |
| * @arg I2C_FLAG_SB: Start bit flag |
| * @arg I2C_FLAG_DUALF: Dual flag |
| * @arg I2C_FLAG_SMBHOST: SMBus host header |
| * @arg I2C_FLAG_SMBDEFAULT: SMBus default header |
| * @arg I2C_FLAG_GENCALL: General call header flag |
| * @arg I2C_FLAG_TRA: Transmitter/Receiver flag |
| * @arg I2C_FLAG_BUSY: Bus busy flag |
| * @arg 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__) >> 16U)) == 0x01U)?((((__HANDLE__)->Instance->SR1) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)): \ |
| ((((__HANDLE__)->Instance->SR2) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK))) |
| |
| /** @brief Clears the I2C pending flags which are cleared by writing 0 in a specific bit. |
| * @param __HANDLE__ specifies the I2C Handle. |
| * This parameter can be I2C where x: 1, 2, or 3 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_SMBALERT: SMBus Alert flag |
| * @arg I2C_FLAG_TIMEOUT: Timeout or Tlow error flag |
| * @arg I2C_FLAG_PECERR: PEC error in reception flag |
| * @arg I2C_FLAG_OVR: Overrun/Underrun flag (Slave mode) |
| * @arg I2C_FLAG_AF: Acknowledge failure flag |
| * @arg I2C_FLAG_ARLO: Arbitration lost flag (Master mode) |
| * @arg I2C_FLAG_BERR: Bus error flag |
| * @retval None |
| */ |
| #define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR1 = ~((__FLAG__) & I2C_FLAG_MASK)) |
| |
| /** @brief Clears the I2C ADDR pending flag. |
| * @param __HANDLE__ specifies the I2C Handle. |
| * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. |
| * @retval None |
| */ |
| #define __HAL_I2C_CLEAR_ADDRFLAG(__HANDLE__) \ |
| do{ \ |
| __IO uint32_t tmpreg = 0x00U; \ |
| 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. |
| * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. |
| * @retval None |
| */ |
| #define __HAL_I2C_CLEAR_STOPFLAG(__HANDLE__) \ |
| do{ \ |
| __IO uint32_t tmpreg = 0x00U; \ |
| tmpreg = (__HANDLE__)->Instance->SR1; \ |
| (__HANDLE__)->Instance->CR1 |= I2C_CR1_PE; \ |
| UNUSED(tmpreg); \ |
| } while(0) |
| |
| /** @brief Enable the I2C peripheral. |
| * @param __HANDLE__ specifies the I2C Handle. |
| * This parameter can be I2Cx where x: 1 or 2 to select the I2C peripheral. |
| * @retval None |
| */ |
| #define __HAL_I2C_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= I2C_CR1_PE) |
| |
| /** @brief Disable the I2C peripheral. |
| * @param __HANDLE__ specifies the I2C Handle. |
| * This parameter can be I2Cx where x: 1 or 2 to select the I2C peripheral. |
| * @retval None |
| */ |
| #define __HAL_I2C_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~I2C_CR1_PE) |
| |
| /** |
| * @} |
| */ |
| |
| /* Include I2C HAL Extension module */ |
| #include "stm32f4xx_hal_i2c_ex.h" |
| |
| /* Exported functions --------------------------------------------------------*/ |
| /** @addtogroup I2C_Exported_Functions |
| * @{ |
| */ |
| |
| /** @addtogroup I2C_Exported_Functions_Group1 |
| * @{ |
| */ |
| /* 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 |
| * @{ |
| */ |
| /* I/O 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_Sequential_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions); |
| HAL_StatusTypeDef HAL_I2C_Master_Sequential_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions); |
| HAL_StatusTypeDef HAL_I2C_Slave_Sequential_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions); |
| HAL_StatusTypeDef HAL_I2C_Slave_Sequential_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions); |
| HAL_StatusTypeDef HAL_I2C_Master_Abort_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress); |
| HAL_StatusTypeDef HAL_I2C_EnableListen_IT(I2C_HandleTypeDef *hi2c); |
| HAL_StatusTypeDef HAL_I2C_DisableListen_IT(I2C_HandleTypeDef *hi2c); |
| |
| /******* 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); |
| |
| /******* 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 Errors functions *********************************/ |
| HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c); |
| HAL_I2C_ModeTypeDef HAL_I2C_GetMode(I2C_HandleTypeDef *hi2c); |
| uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c); |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| /* Private types -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Private constants ---------------------------------------------------------*/ |
| /** @defgroup I2C_Private_Constants I2C Private Constants |
| * @{ |
| */ |
| #define I2C_FLAG_MASK 0x0000FFFFU |
| /** |
| * @} |
| */ |
| |
| /* Private macros ------------------------------------------------------------*/ |
| /** @defgroup I2C_Private_Macros I2C Private Macros |
| * @{ |
| */ |
| |
| #define I2C_FREQRANGE(__PCLK__) ((__PCLK__)/1000000U) |
| #define I2C_RISE_TIME(__FREQRANGE__, __SPEED__) (((__SPEED__) <= 100000U) ? ((__FREQRANGE__) + 1U) : ((((__FREQRANGE__) * 300U) / 1000U) + 1U)) |
| #define I2C_SPEED_STANDARD(__PCLK__, __SPEED__) (((((__PCLK__)/((__SPEED__) << 1U)) & I2C_CCR_CCR) < 4U)? 4U:((__PCLK__) / ((__SPEED__) << 1U))) |
| #define I2C_SPEED_FAST(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__DUTYCYCLE__) == I2C_DUTYCYCLE_2)? ((__PCLK__) / ((__SPEED__) * 3U)) : (((__PCLK__) / ((__SPEED__) * 25U)) | I2C_DUTYCYCLE_16_9)) |
| #define I2C_SPEED(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__SPEED__) <= 100000U)? (I2C_SPEED_STANDARD((__PCLK__), (__SPEED__))) : \ |
| ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__)) & I2C_CCR_CCR) == 0U)? 1U : \ |
| ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__))) | I2C_CCR_FS)) |
| |
| #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)0x00F0))) |
| #define I2C_10BIT_HEADER_READ(__ADDRESS__) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)0x0300)) >> 7) | (uint16_t)(0x00F1)))) |
| |
| #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))) |
| |
| /** @defgroup I2C_IS_RTC_Definitions I2C Private macros to check input parameters |
| * @{ |
| */ |
| #define IS_I2C_DUTY_CYCLE(CYCLE) (((CYCLE) == I2C_DUTYCYCLE_2) || \ |
| ((CYCLE) == I2C_DUTYCYCLE_16_9)) |
| #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_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_I2C_CLOCK_SPEED(SPEED) (((SPEED) > 0U) && ((SPEED) <= 400000U)) |
| #define IS_I2C_OWN_ADDRESS1(ADDRESS1) (((ADDRESS1) & 0xFFFFFC00U) == 0U) |
| #define IS_I2C_OWN_ADDRESS2(ADDRESS2) (((ADDRESS2) & 0xFFFFFF01U) == 0U) |
| #define IS_I2C_TRANSFER_OPTIONS_REQUEST(REQUEST) (((REQUEST) == I2C_FIRST_FRAME) || \ |
| ((REQUEST) == I2C_NEXT_FRAME) || \ |
| ((REQUEST) == I2C_FIRST_AND_LAST_FRAME) || \ |
| ((REQUEST) == I2C_LAST_FRAME)) |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Private functions ---------------------------------------------------------*/ |
| /** @defgroup I2C_Private_Functions I2C Private Functions |
| * @{ |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| |
| #endif /* __STM32F4xx_HAL_I2C_H */ |
| |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |