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Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h')
| -rw-r--r-- | c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h | 535 |
1 files changed, 535 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h new file mode 100644 index 0000000000..6889a389a3 --- /dev/null +++ b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h @@ -0,0 +1,535 @@ +/** + ****************************************************************************** + * @file stm32f4xx_hal_i2c.h + * @author MCD Application Team + * @version V1.4.0 + * @date 14-August-2015 + * @brief Header file of I2C HAL module. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 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 structures definition + */ +typedef enum +{ + HAL_I2C_STATE_RESET = 0x00, /*!< I2C not yet initialized or disabled */ + HAL_I2C_STATE_READY = 0x01, /*!< I2C initialized and ready for use */ + HAL_I2C_STATE_BUSY = 0x02, /*!< I2C internal process is ongoing */ + HAL_I2C_STATE_BUSY_TX = 0x12, /*!< Data Transmission process is ongoing */ + HAL_I2C_STATE_BUSY_RX = 0x22, /*!< Data Reception process is ongoing */ + HAL_I2C_STATE_MEM_BUSY_TX = 0x32, /*!< Memory Data Transmission process is ongoing */ + HAL_I2C_STATE_MEM_BUSY_RX = 0x42, /*!< Memory Data Reception process is ongoing */ + HAL_I2C_STATE_TIMEOUT = 0x03, /*!< I2C timeout state */ + HAL_I2C_STATE_ERROR = 0x04 /*!< I2C error state */ + +}HAL_I2C_StateTypeDef; + +/** + * @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 uint32_t ErrorCode; /*!< I2C Error code */ + +}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 ((uint32_t)0x00000000) /*!< No error */ +#define HAL_I2C_ERROR_BERR ((uint32_t)0x00000001) /*!< BERR error */ +#define HAL_I2C_ERROR_ARLO ((uint32_t)0x00000002) /*!< ARLO error */ +#define HAL_I2C_ERROR_AF ((uint32_t)0x00000004) /*!< AF error */ +#define HAL_I2C_ERROR_OVR ((uint32_t)0x00000008) /*!< OVR error */ +#define HAL_I2C_ERROR_DMA ((uint32_t)0x00000010) /*!< DMA transfer error */ +#define HAL_I2C_ERROR_TIMEOUT ((uint32_t)0x00000020) /*!< Timeout Error */ +/** + * @} + */ + +/** @defgroup I2C_duty_cycle_in_fast_mode I2C duty cycle in fast mode + * @{ + */ +#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 + * @{ + */ +#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) +/** + * @} + */ + +/** + * @} + */ + +/* 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__) >> 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 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; \ + 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; \ + tmpreg = (__HANDLE__)->Instance->SR1; \ + (__HANDLE__)->Instance->CR1 |= I2C_CR1_PE; \ + UNUSED(tmpreg); \ + } while(0) + +#define __HAL_I2C_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= I2C_CR1_PE) +#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); + +/******* 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_MemTxCpltCallback(I2C_HandleTypeDef *hi2c); +void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c); +void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c); +/** + * @} + */ + +/** @addtogroup I2C_Exported_Functions_Group3 + * @{ + */ +/* Peripheral Control and State functions **************************************/ +HAL_I2C_StateTypeDef HAL_I2C_GetState(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 ((uint32_t)0x0000FFFF) +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/** @defgroup I2C_Private_Macros I2C Private Macros + * @{ + */ + +#define I2C_FREQRANGE(__PCLK__) ((__PCLK__)/1000000) +#define I2C_RISE_TIME(__FREQRANGE__, __SPEED__) (((__SPEED__) <= 100000) ? ((__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_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)))) + +#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) > 0) && ((SPEED) <= 400000)) +#define IS_I2C_OWN_ADDRESS1(ADDRESS1) (((ADDRESS1) & (uint32_t)(0xFFFFFC00)) == 0) +#define IS_I2C_OWN_ADDRESS2(ADDRESS2) (((ADDRESS2) & (uint32_t)(0xFFFFFF01)) == 0) +/** + * @} + */ + +/** + * @} + */ + +/* Private functions ---------------------------------------------------------*/ +/** @defgroup I2C_Private_Functions I2C Private Functions + * @{ + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + + +#endif /* __STM32F4xx_HAL_I2C_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |