/**
******************************************************************************
* @file stm32f4xx_hal_spi.h
* @author MCD Application Team
* @version V1.0.0
* @date 18-February-2014
* @brief Header file of SPI HAL module.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2014 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_SPI_H
#define __STM32F4xx_HAL_SPI_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal_def.h"
/** @addtogroup STM32F4xx_HAL_Driver
* @{
*/
/** @addtogroup SPI
* @{
*/
/* Exported types ------------------------------------------------------------*/
/**
* @brief SPI Configuration Structure definition
*/
typedef struct
{
uint32_t Mode; /*!< Specifies the SPI operating mode.
This parameter can be a value of @ref SPI_mode */
uint32_t Direction; /*!< Specifies the SPI Directional mode state.
This parameter can be a value of @ref SPI_Direction_mode */
uint32_t DataSize; /*!< Specifies the SPI data size.
This parameter can be a value of @ref SPI_data_size */
uint32_t CLKPolarity; /*!< Specifies the serial clock steady state.
This parameter can be a value of @ref SPI_Clock_Polarity */
uint32_t CLKPhase; /*!< Specifies the clock active edge for the bit capture.
This parameter can be a value of @ref SPI_Clock_Phase */
uint32_t NSS; /*!< Specifies whether the NSS signal is managed by
hardware (NSS pin) or by software using the SSI bit.
This parameter can be a value of @ref SPI_Slave_Select_management */
uint32_t BaudRatePrescaler; /*!< Specifies the Baud Rate prescaler value which will be
used to configure the transmit and receive SCK clock.
This parameter can be a value of @ref SPI_BaudRate_Prescaler
@note The communication clock is derived from the master
clock. The slave clock does not need to be set */
uint32_t FirstBit; /*!< Specifies whether data transfers start from MSB or LSB bit.
This parameter can be a value of @ref SPI_MSB_LSB_transmission */
uint32_t TIMode; /*!< Specifies if the TI mode is enabled or not.
This parameter can be a value of @ref SPI_TI_mode */
uint32_t CRCCalculation; /*!< Specifies if the CRC calculation is enabled or not.
This parameter can be a value of @ref SPI_CRC_Calculation */
uint32_t CRCPolynomial; /*!< Specifies the polynomial used for the CRC calculation.
This parameter must be a number between Min_Data = 0 and Max_Data = 65535 */
}SPI_InitTypeDef;
/**
* @brief HAL SPI State structure definition
*/
typedef enum
{
HAL_SPI_STATE_RESET = 0x00, /*!< SPI not yet initialized or disabled */
HAL_SPI_STATE_READY = 0x01, /*!< SPI initialized and ready for use */
HAL_SPI_STATE_BUSY = 0x02, /*!< SPI process is ongoing */
HAL_SPI_STATE_BUSY_TX = 0x12, /*!< Data Transmission process is ongoing */
HAL_SPI_STATE_BUSY_RX = 0x22, /*!< Data Reception process is ongoing */
HAL_SPI_STATE_BUSY_TX_RX = 0x32, /*!< Data Transmission and Reception process is ongoing */
HAL_SPI_STATE_ERROR = 0x03 /*!< SPI error state */
}HAL_SPI_StateTypeDef;
/**
* @brief HAL SPI Error Code structure definition
*/
typedef enum
{
HAL_SPI_ERROR_NONE = 0x00, /*!< No error */
HAL_SPI_ERROR_MODF = 0x01, /*!< MODF error */
HAL_SPI_ERROR_CRC = 0x02, /*!< CRC error */
HAL_SPI_ERROR_OVR = 0x04, /*!< OVR error */
HAL_SPI_ERROR_FRE = 0x08, /*!< FRE error */
HAL_SPI_ERROR_DMA = 0x10, /*!< DMA transfer error */
HAL_SPI_ERROR_FLAG = 0x20 /*!< Flag: RXNE,TXE, BSY */
}HAL_SPI_ErrorTypeDef;
/**
* @brief SPI handle Structure definition
*/
typedef struct __SPI_HandleTypeDef
{
SPI_TypeDef *Instance; /* SPI registers base address */
SPI_InitTypeDef Init; /* SPI communication parameters */
uint8_t *pTxBuffPtr; /* Pointer to SPI Tx transfer Buffer */
uint16_t TxXferSize; /* SPI Tx transfer size */
uint16_t TxXferCount; /* SPI Tx Transfer Counter */
uint8_t *pRxBuffPtr; /* Pointer to SPI Rx transfer Buffer */
uint16_t RxXferSize; /* SPI Rx transfer size */
uint16_t RxXferCount; /* SPI Rx Transfer Counter */
DMA_HandleTypeDef *hdmatx; /* SPI Tx DMA handle parameters */
DMA_HandleTypeDef *hdmarx; /* SPI Rx DMA handle parameters */
void (*RxISR)(struct __SPI_HandleTypeDef * hspi); /* function pointer on Rx ISR */
void (*TxISR)(struct __SPI_HandleTypeDef * hspi); /* function pointer on Tx ISR */
HAL_LockTypeDef Lock; /* SPI locking object */
__IO HAL_SPI_StateTypeDef State; /* SPI communication state */
__IO HAL_SPI_ErrorTypeDef ErrorCode; /* SPI Error code */
}SPI_HandleTypeDef;
/* Exported constants --------------------------------------------------------*/
/** @defgroup SPI_Exported_Constants
* @{
*/
/** @defgroup SPI_mode
* @{
*/
#define SPI_MODE_SLAVE ((uint32_t)0x00000000)
#define SPI_MODE_MASTER (SPI_CR1_MSTR | SPI_CR1_SSI)
#define IS_SPI_MODE(MODE) (((MODE) == SPI_MODE_SLAVE) || \
((MODE) == SPI_MODE_MASTER))
/**
* @}
*/
/** @defgroup SPI_Direction_mode
* @{
*/
#define SPI_DIRECTION_2LINES ((uint32_t)0x00000000)
#define SPI_DIRECTION_2LINES_RXONLY SPI_CR1_RXONLY
#define SPI_DIRECTION_1LINE SPI_CR1_BIDIMODE
#define IS_SPI_DIRECTION_MODE(MODE) (((MODE) == SPI_DIRECTION_2LINES) || \
((MODE) == SPI_DIRECTION_2LINES_RXONLY) || \
((MODE) == SPI_DIRECTION_1LINE))
#define IS_SPI_DIRECTION_2LINES_OR_1LINE(MODE) (((MODE) == SPI_DIRECTION_2LINES) || \
((MODE) == SPI_DIRECTION_1LINE))
#define IS_SPI_DIRECTION_2LINES(MODE) ((MODE) == SPI_DIRECTION_2LINES)
/**
* @}
*/
/** @defgroup SPI_data_size
* @{
*/
#define SPI_DATASIZE_8BIT ((uint32_t)0x00000000)
#define SPI_DATASIZE_16BIT SPI_CR1_DFF
#define IS_SPI_DATASIZE(DATASIZE) (((DATASIZE) == SPI_DATASIZE_16BIT) || \
((DATASIZE) == SPI_DATASIZE_8BIT))
/**
* @}
*/
/** @defgroup SPI_Clock_Polarity
* @{
*/
#define SPI_POLARITY_LOW ((uint32_t)0x00000000)
#define SPI_POLARITY_HIGH SPI_CR1_CPOL
#define IS_SPI_CPOL(CPOL) (((CPOL) == SPI_POLARITY_LOW) || \
((CPOL) == SPI_POLARITY_HIGH))
/**
* @}
*/
/** @defgroup SPI_Clock_Phase
* @{
*/
#define SPI_PHASE_1EDGE ((uint32_t)0x00000000)
#define SPI_PHASE_2EDGE SPI_CR1_CPHA
#define IS_SPI_CPHA(CPHA) (((CPHA) == SPI_PHASE_1EDGE) || \
((CPHA) == SPI_PHASE_2EDGE))
/**
* @}
*/
/** @defgroup SPI_Slave_Select_management
* @{
*/
#define SPI_NSS_SOFT SPI_CR1_SSM
#define SPI_NSS_HARD_INPUT ((uint32_t)0x00000000)
#define SPI_NSS_HARD_OUTPUT ((uint32_t)0x00040000)
#define IS_SPI_NSS(NSS) (((NSS) == SPI_NSS_SOFT) || \
((NSS) == SPI_NSS_HARD_INPUT) || \
((NSS) == SPI_NSS_HARD_OUTPUT))
/**
* @}
*/
/** @defgroup SPI_BaudRate_Prescaler
* @{
*/
#define SPI_BAUDRATEPRESCALER_2 ((uint32_t)0x00000000)
#define SPI_BAUDRATEPRESCALER_4 ((uint32_t)0x00000008)
#define SPI_BAUDRATEPRESCALER_8 ((uint32_t)0x00000010)
#define SPI_BAUDRATEPRESCALER_16 ((uint32_t)0x00000018)
#define SPI_BAUDRATEPRESCALER_32 ((uint32_t)0x00000020)
#define SPI_BAUDRATEPRESCALER_64 ((uint32_t)0x00000028)
#define SPI_BAUDRATEPRESCALER_128 ((uint32_t)0x00000030)
#define SPI_BAUDRATEPRESCALER_256 ((uint32_t)0x00000038)
#define IS_SPI_BAUDRATE_PRESCALER(PRESCALER) (((PRESCALER) == SPI_BAUDRATEPRESCALER_2) || \
((PRESCALER) == SPI_BAUDRATEPRESCALER_4) || \
((PRESCALER) == SPI_BAUDRATEPRESCALER_8) || \
((PRESCALER) == SPI_BAUDRATEPRESCALER_16) || \
((PRESCALER) == SPI_BAUDRATEPRESCALER_32) || \
((PRESCALER) == SPI_BAUDRATEPRESCALER_64) || \
((PRESCALER) == SPI_BAUDRATEPRESCALER_128) || \
((PRESCALER) == SPI_BAUDRATEPRESCALER_256))
/**
* @}
*/
/** @defgroup SPI_MSB_LSB_transmission
* @{
*/
#define SPI_FIRSTBIT_MSB ((uint32_t)0x00000000)
#define SPI_FIRSTBIT_LSB SPI_CR1_LSBFIRST
#define IS_SPI_FIRST_BIT(BIT) (((BIT) == SPI_FIRSTBIT_MSB) || \
((BIT) == SPI_FIRSTBIT_LSB))
/**
* @}
*/
/** @defgroup SPI_TI_mode
* @{
*/
#define SPI_TIMODE_DISABLED ((uint32_t)0x00000000)
#define SPI_TIMODE_ENABLED SPI_CR2_FRF
#define IS_SPI_TIMODE(MODE) (((MODE) == SPI_TIMODE_DISABLED) || \
((MODE) == SPI_TIMODE_ENABLED))
/**
* @}
*/
/** @defgroup SPI_CRC_Calculation
* @{
*/
#define SPI_CRCCALCULATION_DISABLED ((uint32_t)0x00000000)
#define SPI_CRCCALCULATION_ENABLED SPI_CR1_CRCEN
#define IS_SPI_CRC_CALCULATION(CALCULATION) (((CALCULATION) == SPI_CRCCALCULATION_DISABLED) || \
((CALCULATION) == SPI_CRCCALCULATION_ENABLED))
/**
* @}
*/
/** @defgroup SPI_Interrupt_configuration_definition
* @{
*/
#define SPI_IT_TXE SPI_CR2_TXEIE
#define SPI_IT_RXNE SPI_CR2_RXNEIE
#define SPI_IT_ERR SPI_CR2_ERRIE
/**
* @}
*/
/** @defgroup SPI_Flag_definition
* @{
*/
#define SPI_FLAG_RXNE SPI_SR_RXNE
#define SPI_FLAG_TXE SPI_SR_TXE
#define SPI_FLAG_CRCERR SPI_SR_CRCERR
#define SPI_FLAG_MODF SPI_SR_MODF
#define SPI_FLAG_OVR SPI_SR_OVR
#define SPI_FLAG_BSY SPI_SR_BSY
#define SPI_FLAG_FRE SPI_SR_FRE
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/** @brief Enable or disable the specified SPI interrupts.
* @param __HANDLE__: specifies the SPI handle.
* This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
* @param __INTERRUPT__: specifies the interrupt source to enable or disable.
* This parameter can be one of the following values:
* @arg SPI_IT_TXE: Tx buffer empty interrupt enable
* @arg SPI_IT_RXNE: RX buffer not empty interrupt enable
* @arg SPI_IT_ERR: Error interrupt enable
* @retval None
*/
#define __HAL_SPI_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR2 |= (__INTERRUPT__))
#define __HAL_SPI_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR2 &= (~(__INTERRUPT__)))
/** @brief Check if the specified SPI interrupt source is enabled or disabled.
* @param __HANDLE__: specifies the SPI handle.
* This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
* @param __INTERRUPT__: specifies the SPI interrupt source to check.
* This parameter can be one of the following values:
* @arg SPI_IT_TXE: Tx buffer empty interrupt enable
* @arg SPI_IT_RXNE: RX buffer not empty interrupt enable
* @arg SPI_IT_ERR: Error interrupt enable
* @retval The new state of __IT__ (TRUE or FALSE).
*/
#define __HAL_SPI_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
/** @brief Check whether the specified SPI flag is set or not.
* @param __HANDLE__: specifies the SPI handle.
* This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
* @param __FLAG__: specifies the flag to check.
* This parameter can be one of the following values:
* @arg SPI_FLAG_RXNE: Receive buffer not empty flag
* @arg SPI_FLAG_TXE: Transmit buffer empty flag
* @arg SPI_FLAG_CRCERR: CRC error flag
* @arg SPI_FLAG_MODF: Mode fault flag
* @arg SPI_FLAG_OVR: Overrun flag
* @arg SPI_FLAG_BSY: Busy flag
* @arg SPI_FLAG_FRE: Frame format error flag
* @retval The new state of __FLAG__ (TRUE or FALSE).
*/
#define __HAL_SPI_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
/** @brief Clear the SPI CRCERR pending flag.
* @param __HANDLE__: specifies the SPI handle.
* This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
* @retval None
*/
#define __HAL_SPI_CLEAR_CRCERRFLAG(__HANDLE__) ((__HANDLE__)->Instance->SR &= ~(SPI_FLAG_CRCERR))
/** @brief Clear the SPI MODF pending flag.
* @param __HANDLE__: specifies the SPI handle.
* This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
* @retval None
*/
#define __HAL_SPI_CLEAR_MODFFLAG(__HANDLE__) do{(__HANDLE__)->Instance->SR;\
(__HANDLE__)->Instance->CR1 &= (~SPI_CR1_SPE);}while(0)
/** @brief Clear the SPI OVR pending flag.
* @param __HANDLE__: specifies the SPI handle.
* This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
* @retval None
*/
#define __HAL_SPI_CLEAR_OVRFLAG(__HANDLE__) do{(__HANDLE__)->Instance->DR;\
(__HANDLE__)->Instance->SR;}while(0)
/** @brief Clear the SPI FRE pending flag.
* @param __HANDLE__: specifies the SPI handle.
* This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
* @retval None
*/
#define __HAL_SPI_CLEAR_FREFLAG(__HANDLE__) ((__HANDLE__)->Instance->SR)
#define __HAL_SPI_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= SPI_CR1_SPE)
#define __HAL_SPI_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~SPI_CR1_SPE)
#define IS_SPI_CRC_POLYNOMIAL(POLYNOMIAL) (((POLYNOMIAL) >= 0x1) && ((POLYNOMIAL) <= 0xFFFF))
#define __HAL_SPI_1LINE_TX(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= SPI_CR1_BIDIOE)
#define __HAL_SPI_1LINE_RX(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~SPI_CR1_BIDIOE)
#define __HAL_SPI_RESET_CRC(__HANDLE__) do{(__HANDLE__)->Instance->CR1 &= (~SPI_CR1_CRCEN);\
(__HANDLE__)->Instance->CR1 |= SPI_CR1_CRCEN;}while(0)
/* Exported functions --------------------------------------------------------*/
/* Initialization/de-initialization functions **********************************/
HAL_StatusTypeDef HAL_SPI_Init(SPI_HandleTypeDef *hspi);
HAL_StatusTypeDef HAL_SPI_DeInit (SPI_HandleTypeDef *hspi);
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi);
void HAL_SPI_MspDeInit(SPI_HandleTypeDef *hspi);
/* I/O operation functions *****************************************************/
HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_SPI_Receive(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_SPI_TransmitReceive(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_SPI_Transmit_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_SPI_Receive_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_SPI_TransmitReceive_IT(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
HAL_StatusTypeDef HAL_SPI_Transmit_DMA(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_SPI_Receive_DMA(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_SPI_TransmitReceive_DMA(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
void HAL_SPI_IRQHandler(SPI_HandleTypeDef *hspi);
void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi);
void HAL_SPI_RxCpltCallback(SPI_HandleTypeDef *hspi);
void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi);
void HAL_SPI_ErrorCallback(SPI_HandleTypeDef *hspi);
/* Peripheral State and Control functions **************************************/
HAL_SPI_StateTypeDef HAL_SPI_GetState(SPI_HandleTypeDef *hspi);
HAL_SPI_ErrorTypeDef HAL_SPI_GetError(SPI_HandleTypeDef *hspi);
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32F4xx_HAL_SPI_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
