| /** |
| ****************************************************************************** |
| * @file stm32l4xx_hal_spi.h |
| * @author MCD Application Team |
| * @brief Header file of SPI HAL module. |
| ****************************************************************************** |
| * @attention |
| * |
| * Copyright (c) 2017 STMicroelectronics. |
| * All rights reserved. |
| * |
| * This software is licensed under terms that can be found in the LICENSE file |
| * in the root directory of this software component. |
| * If no LICENSE file comes with this software, it is provided AS-IS. |
| * |
| ****************************************************************************** |
| */ |
| |
| /* Define to prevent recursive inclusion -------------------------------------*/ |
| #ifndef STM32L4xx_HAL_SPI_H |
| #define STM32L4xx_HAL_SPI_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32l4xx_hal_def.h" |
| |
| /** @addtogroup STM32L4xx_HAL_Driver |
| * @{ |
| */ |
| |
| /** @addtogroup SPI |
| * @{ |
| */ |
| |
| /* Exported types ------------------------------------------------------------*/ |
| /** @defgroup SPI_Exported_Types 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 bidirectional mode state. |
| This parameter can be a value of @ref SPI_Direction */ |
| |
| 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 an odd number between Min_Data = 1 and Max_Data = 65535 */ |
| |
| uint32_t CRCLength; /*!< Specifies the CRC Length used for the CRC calculation. |
| CRC Length is only used with Data8 and Data16, not other data size |
| This parameter can be a value of @ref SPI_CRC_length */ |
| |
| uint32_t NSSPMode; /*!< Specifies whether the NSSP signal is enabled or not . |
| This parameter can be a value of @ref SPI_NSSP_Mode |
| This mode is activated by the NSSP bit in the SPIx_CR2 register and |
| it takes effect only if the SPI interface is configured as Motorola SPI |
| master (FRF=0) with capture on the first edge (SPIx_CR1 CPHA = 0, |
| CPOL setting is ignored).. */ |
| } SPI_InitTypeDef; |
| |
| /** |
| * @brief HAL SPI State structure definition |
| */ |
| typedef enum |
| { |
| HAL_SPI_STATE_RESET = 0x00U, /*!< Peripheral not Initialized */ |
| HAL_SPI_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */ |
| HAL_SPI_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */ |
| HAL_SPI_STATE_BUSY_TX = 0x03U, /*!< Data Transmission process is ongoing */ |
| HAL_SPI_STATE_BUSY_RX = 0x04U, /*!< Data Reception process is ongoing */ |
| HAL_SPI_STATE_BUSY_TX_RX = 0x05U, /*!< Data Transmission and Reception process is ongoing */ |
| HAL_SPI_STATE_ERROR = 0x06U, /*!< SPI error state */ |
| HAL_SPI_STATE_ABORT = 0x07U /*!< SPI abort is ongoing */ |
| } HAL_SPI_StateTypeDef; |
| |
| /** |
| * @brief SPI handle Structure definition |
| */ |
| typedef struct __SPI_HandleTypeDef |
| { |
| SPI_TypeDef *Instance; /*!< SPI registers base address */ |
| |
| SPI_InitTypeDef Init; /*!< SPI communication parameters */ |
| |
| const uint8_t *pTxBuffPtr; /*!< Pointer to SPI Tx transfer Buffer */ |
| |
| uint16_t TxXferSize; /*!< SPI Tx Transfer size */ |
| |
| __IO uint16_t TxXferCount; /*!< SPI Tx Transfer Counter */ |
| |
| uint8_t *pRxBuffPtr; /*!< Pointer to SPI Rx transfer Buffer */ |
| |
| uint16_t RxXferSize; /*!< SPI Rx Transfer size */ |
| |
| __IO uint16_t RxXferCount; /*!< SPI Rx Transfer Counter */ |
| |
| uint32_t CRCSize; /*!< SPI CRC size used for the transfer */ |
| |
| void (*RxISR)(struct __SPI_HandleTypeDef *hspi); /*!< function pointer on Rx ISR */ |
| |
| void (*TxISR)(struct __SPI_HandleTypeDef *hspi); /*!< function pointer on Tx ISR */ |
| |
| DMA_HandleTypeDef *hdmatx; /*!< SPI Tx DMA Handle parameters */ |
| |
| DMA_HandleTypeDef *hdmarx; /*!< SPI Rx DMA Handle parameters */ |
| |
| HAL_LockTypeDef Lock; /*!< Locking object */ |
| |
| __IO HAL_SPI_StateTypeDef State; /*!< SPI communication state */ |
| |
| __IO uint32_t ErrorCode; /*!< SPI Error code */ |
| |
| #if (USE_HAL_SPI_REGISTER_CALLBACKS == 1U) |
| void (* TxCpltCallback)(struct __SPI_HandleTypeDef *hspi); /*!< SPI Tx Completed callback */ |
| void (* RxCpltCallback)(struct __SPI_HandleTypeDef *hspi); /*!< SPI Rx Completed callback */ |
| void (* TxRxCpltCallback)(struct __SPI_HandleTypeDef *hspi); /*!< SPI TxRx Completed callback */ |
| void (* TxHalfCpltCallback)(struct __SPI_HandleTypeDef *hspi); /*!< SPI Tx Half Completed callback */ |
| void (* RxHalfCpltCallback)(struct __SPI_HandleTypeDef *hspi); /*!< SPI Rx Half Completed callback */ |
| void (* TxRxHalfCpltCallback)(struct __SPI_HandleTypeDef *hspi); /*!< SPI TxRx Half Completed callback */ |
| void (* ErrorCallback)(struct __SPI_HandleTypeDef *hspi); /*!< SPI Error callback */ |
| void (* AbortCpltCallback)(struct __SPI_HandleTypeDef *hspi); /*!< SPI Abort callback */ |
| void (* MspInitCallback)(struct __SPI_HandleTypeDef *hspi); /*!< SPI Msp Init callback */ |
| void (* MspDeInitCallback)(struct __SPI_HandleTypeDef *hspi); /*!< SPI Msp DeInit callback */ |
| |
| #endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ |
| } SPI_HandleTypeDef; |
| |
| #if (USE_HAL_SPI_REGISTER_CALLBACKS == 1U) |
| /** |
| * @brief HAL SPI Callback ID enumeration definition |
| */ |
| typedef enum |
| { |
| HAL_SPI_TX_COMPLETE_CB_ID = 0x00U, /*!< SPI Tx Completed callback ID */ |
| HAL_SPI_RX_COMPLETE_CB_ID = 0x01U, /*!< SPI Rx Completed callback ID */ |
| HAL_SPI_TX_RX_COMPLETE_CB_ID = 0x02U, /*!< SPI TxRx Completed callback ID */ |
| HAL_SPI_TX_HALF_COMPLETE_CB_ID = 0x03U, /*!< SPI Tx Half Completed callback ID */ |
| HAL_SPI_RX_HALF_COMPLETE_CB_ID = 0x04U, /*!< SPI Rx Half Completed callback ID */ |
| HAL_SPI_TX_RX_HALF_COMPLETE_CB_ID = 0x05U, /*!< SPI TxRx Half Completed callback ID */ |
| HAL_SPI_ERROR_CB_ID = 0x06U, /*!< SPI Error callback ID */ |
| HAL_SPI_ABORT_CB_ID = 0x07U, /*!< SPI Abort callback ID */ |
| HAL_SPI_MSPINIT_CB_ID = 0x08U, /*!< SPI Msp Init callback ID */ |
| HAL_SPI_MSPDEINIT_CB_ID = 0x09U /*!< SPI Msp DeInit callback ID */ |
| |
| } HAL_SPI_CallbackIDTypeDef; |
| |
| /** |
| * @brief HAL SPI Callback pointer definition |
| */ |
| typedef void (*pSPI_CallbackTypeDef)(SPI_HandleTypeDef *hspi); /*!< pointer to an SPI callback function */ |
| |
| #endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ |
| /** |
| * @} |
| */ |
| |
| /* Exported constants --------------------------------------------------------*/ |
| /** @defgroup SPI_Exported_Constants SPI Exported Constants |
| * @{ |
| */ |
| |
| /** @defgroup SPI_Error_Code SPI Error Code |
| * @{ |
| */ |
| #define HAL_SPI_ERROR_NONE (0x00000000U) /*!< No error */ |
| #define HAL_SPI_ERROR_MODF (0x00000001U) /*!< MODF error */ |
| #define HAL_SPI_ERROR_CRC (0x00000002U) /*!< CRC error */ |
| #define HAL_SPI_ERROR_OVR (0x00000004U) /*!< OVR error */ |
| #define HAL_SPI_ERROR_FRE (0x00000008U) /*!< FRE error */ |
| #define HAL_SPI_ERROR_DMA (0x00000010U) /*!< DMA transfer error */ |
| #define HAL_SPI_ERROR_FLAG (0x00000020U) /*!< Error on RXNE/TXE/BSY/FTLVL/FRLVL Flag */ |
| #define HAL_SPI_ERROR_ABORT (0x00000040U) /*!< Error during SPI Abort procedure */ |
| #if (USE_HAL_SPI_REGISTER_CALLBACKS == 1U) |
| #define HAL_SPI_ERROR_INVALID_CALLBACK (0x00000080U) /*!< Invalid Callback error */ |
| #endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_Mode SPI Mode |
| * @{ |
| */ |
| #define SPI_MODE_SLAVE (0x00000000U) |
| #define SPI_MODE_MASTER (SPI_CR1_MSTR | SPI_CR1_SSI) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_Direction SPI Direction Mode |
| * @{ |
| */ |
| #define SPI_DIRECTION_2LINES (0x00000000U) |
| #define SPI_DIRECTION_2LINES_RXONLY SPI_CR1_RXONLY |
| #define SPI_DIRECTION_1LINE SPI_CR1_BIDIMODE |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_Data_Size SPI Data Size |
| * @{ |
| */ |
| #define SPI_DATASIZE_4BIT (0x00000300U) |
| #define SPI_DATASIZE_5BIT (0x00000400U) |
| #define SPI_DATASIZE_6BIT (0x00000500U) |
| #define SPI_DATASIZE_7BIT (0x00000600U) |
| #define SPI_DATASIZE_8BIT (0x00000700U) |
| #define SPI_DATASIZE_9BIT (0x00000800U) |
| #define SPI_DATASIZE_10BIT (0x00000900U) |
| #define SPI_DATASIZE_11BIT (0x00000A00U) |
| #define SPI_DATASIZE_12BIT (0x00000B00U) |
| #define SPI_DATASIZE_13BIT (0x00000C00U) |
| #define SPI_DATASIZE_14BIT (0x00000D00U) |
| #define SPI_DATASIZE_15BIT (0x00000E00U) |
| #define SPI_DATASIZE_16BIT (0x00000F00U) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_Clock_Polarity SPI Clock Polarity |
| * @{ |
| */ |
| #define SPI_POLARITY_LOW (0x00000000U) |
| #define SPI_POLARITY_HIGH SPI_CR1_CPOL |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_Clock_Phase SPI Clock Phase |
| * @{ |
| */ |
| #define SPI_PHASE_1EDGE (0x00000000U) |
| #define SPI_PHASE_2EDGE SPI_CR1_CPHA |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_Slave_Select_management SPI Slave Select Management |
| * @{ |
| */ |
| #define SPI_NSS_SOFT SPI_CR1_SSM |
| #define SPI_NSS_HARD_INPUT (0x00000000U) |
| #define SPI_NSS_HARD_OUTPUT (SPI_CR2_SSOE << 16U) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_NSSP_Mode SPI NSS Pulse Mode |
| * @{ |
| */ |
| #define SPI_NSS_PULSE_ENABLE SPI_CR2_NSSP |
| #define SPI_NSS_PULSE_DISABLE (0x00000000U) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_BaudRate_Prescaler SPI BaudRate Prescaler |
| * @{ |
| */ |
| #define SPI_BAUDRATEPRESCALER_2 (0x00000000U) |
| #define SPI_BAUDRATEPRESCALER_4 (SPI_CR1_BR_0) |
| #define SPI_BAUDRATEPRESCALER_8 (SPI_CR1_BR_1) |
| #define SPI_BAUDRATEPRESCALER_16 (SPI_CR1_BR_1 | SPI_CR1_BR_0) |
| #define SPI_BAUDRATEPRESCALER_32 (SPI_CR1_BR_2) |
| #define SPI_BAUDRATEPRESCALER_64 (SPI_CR1_BR_2 | SPI_CR1_BR_0) |
| #define SPI_BAUDRATEPRESCALER_128 (SPI_CR1_BR_2 | SPI_CR1_BR_1) |
| #define SPI_BAUDRATEPRESCALER_256 (SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_MSB_LSB_transmission SPI MSB LSB Transmission |
| * @{ |
| */ |
| #define SPI_FIRSTBIT_MSB (0x00000000U) |
| #define SPI_FIRSTBIT_LSB SPI_CR1_LSBFIRST |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_TI_mode SPI TI Mode |
| * @{ |
| */ |
| #define SPI_TIMODE_DISABLE (0x00000000U) |
| #define SPI_TIMODE_ENABLE SPI_CR2_FRF |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_CRC_Calculation SPI CRC Calculation |
| * @{ |
| */ |
| #define SPI_CRCCALCULATION_DISABLE (0x00000000U) |
| #define SPI_CRCCALCULATION_ENABLE SPI_CR1_CRCEN |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_CRC_length SPI CRC Length |
| * @{ |
| * This parameter can be one of the following values: |
| * SPI_CRC_LENGTH_DATASIZE: aligned with the data size |
| * SPI_CRC_LENGTH_8BIT : CRC 8bit |
| * SPI_CRC_LENGTH_16BIT : CRC 16bit |
| */ |
| #define SPI_CRC_LENGTH_DATASIZE (0x00000000U) |
| #define SPI_CRC_LENGTH_8BIT (0x00000001U) |
| #define SPI_CRC_LENGTH_16BIT (0x00000002U) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_FIFO_reception_threshold SPI FIFO Reception Threshold |
| * @{ |
| * This parameter can be one of the following values: |
| * SPI_RXFIFO_THRESHOLD or SPI_RXFIFO_THRESHOLD_QF : |
| * RXNE event is generated if the FIFO |
| * level is greater or equal to 1/4(8-bits). |
| * SPI_RXFIFO_THRESHOLD_HF: RXNE event is generated if the FIFO |
| * level is greater or equal to 1/2(16 bits). */ |
| #define SPI_RXFIFO_THRESHOLD SPI_CR2_FRXTH |
| #define SPI_RXFIFO_THRESHOLD_QF SPI_CR2_FRXTH |
| #define SPI_RXFIFO_THRESHOLD_HF (0x00000000U) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_Interrupt_definition SPI Interrupt Definition |
| * @{ |
| */ |
| #define SPI_IT_TXE SPI_CR2_TXEIE |
| #define SPI_IT_RXNE SPI_CR2_RXNEIE |
| #define SPI_IT_ERR SPI_CR2_ERRIE |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_Flags_definition SPI Flags Definition |
| * @{ |
| */ |
| #define SPI_FLAG_RXNE SPI_SR_RXNE /* SPI status flag: Rx buffer not empty flag */ |
| #define SPI_FLAG_TXE SPI_SR_TXE /* SPI status flag: Tx buffer empty flag */ |
| #define SPI_FLAG_BSY SPI_SR_BSY /* SPI status flag: Busy flag */ |
| #define SPI_FLAG_CRCERR SPI_SR_CRCERR /* SPI Error flag: CRC error flag */ |
| #define SPI_FLAG_MODF SPI_SR_MODF /* SPI Error flag: Mode fault flag */ |
| #define SPI_FLAG_OVR SPI_SR_OVR /* SPI Error flag: Overrun flag */ |
| #define SPI_FLAG_FRE SPI_SR_FRE /* SPI Error flag: TI mode frame format error flag */ |
| #define SPI_FLAG_FTLVL SPI_SR_FTLVL /* SPI fifo transmission level */ |
| #define SPI_FLAG_FRLVL SPI_SR_FRLVL /* SPI fifo reception level */ |
| #define SPI_FLAG_MASK (SPI_SR_RXNE | SPI_SR_TXE | SPI_SR_BSY | SPI_SR_CRCERR\ |
| | SPI_SR_MODF | SPI_SR_OVR | SPI_SR_FRE | SPI_SR_FTLVL | SPI_SR_FRLVL) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_transmission_fifo_status_level SPI Transmission FIFO Status Level |
| * @{ |
| */ |
| #define SPI_FTLVL_EMPTY (0x00000000U) |
| #define SPI_FTLVL_QUARTER_FULL (0x00000800U) |
| #define SPI_FTLVL_HALF_FULL (0x00001000U) |
| #define SPI_FTLVL_FULL (0x00001800U) |
| |
| /** |
| * @} |
| */ |
| |
| /** @defgroup SPI_reception_fifo_status_level SPI Reception FIFO Status Level |
| * @{ |
| */ |
| #define SPI_FRLVL_EMPTY (0x00000000U) |
| #define SPI_FRLVL_QUARTER_FULL (0x00000200U) |
| #define SPI_FRLVL_HALF_FULL (0x00000400U) |
| #define SPI_FRLVL_FULL (0x00000600U) |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported macros -----------------------------------------------------------*/ |
| /** @defgroup SPI_Exported_Macros SPI Exported Macros |
| * @{ |
| */ |
| |
| /** @brief Reset SPI handle state. |
| * @param __HANDLE__ specifies the SPI Handle. |
| * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral. |
| * @retval None |
| */ |
| #if (USE_HAL_SPI_REGISTER_CALLBACKS == 1U) |
| #define __HAL_SPI_RESET_HANDLE_STATE(__HANDLE__) \ |
| do{ \ |
| (__HANDLE__)->State = HAL_SPI_STATE_RESET; \ |
| (__HANDLE__)->MspInitCallback = NULL; \ |
| (__HANDLE__)->MspDeInitCallback = NULL; \ |
| } while(0) |
| #else |
| #define __HAL_SPI_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_SPI_STATE_RESET) |
| #endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ |
| |
| /** @brief Enable 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. |
| * 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__) SET_BIT((__HANDLE__)->Instance->CR2, (__INTERRUPT__)) |
| |
| /** @brief Disable the specified SPI interrupts. |
| * @param __HANDLE__ specifies the SPI handle. |
| * This parameter can be SPIx where x: 1, 2, or 3 to select the SPI peripheral. |
| * @param __INTERRUPT__ specifies the interrupt source to 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_DISABLE_IT(__HANDLE__, __INTERRUPT__) CLEAR_BIT((__HANDLE__)->Instance->CR2, (__INTERRUPT__)) |
| |
| /** @brief Check whether the specified SPI interrupt source is enabled 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 __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 |
| * @arg SPI_FLAG_FTLVL: SPI fifo transmission level |
| * @arg SPI_FLAG_FRLVL: SPI fifo reception level |
| * @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 = (uint16_t)(~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{ \ |
| __IO uint32_t tmpreg_modf = 0x00U; \ |
| tmpreg_modf = (__HANDLE__)->Instance->SR; \ |
| CLEAR_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_SPE); \ |
| UNUSED(tmpreg_modf); \ |
| } while(0U) |
| |
| /** @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{ \ |
| __IO uint32_t tmpreg_ovr = 0x00U; \ |
| tmpreg_ovr = (__HANDLE__)->Instance->DR; \ |
| tmpreg_ovr = (__HANDLE__)->Instance->SR; \ |
| UNUSED(tmpreg_ovr); \ |
| } while(0U) |
| |
| /** @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__) \ |
| do{ \ |
| __IO uint32_t tmpreg_fre = 0x00U; \ |
| tmpreg_fre = (__HANDLE__)->Instance->SR; \ |
| UNUSED(tmpreg_fre); \ |
| } while(0U) |
| |
| /** @brief Enable the SPI peripheral. |
| * @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_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_SPE) |
| |
| /** @brief Disable the SPI peripheral. |
| * @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_DISABLE(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_SPE) |
| |
| /** |
| * @} |
| */ |
| |
| /* Private macros ------------------------------------------------------------*/ |
| /** @defgroup SPI_Private_Macros SPI Private Macros |
| * @{ |
| */ |
| |
| /** @brief Set the SPI transmit-only mode. |
| * @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 SPI_1LINE_TX(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_BIDIOE) |
| |
| /** @brief Set the SPI receive-only mode. |
| * @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 SPI_1LINE_RX(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_BIDIOE) |
| |
| /** @brief Reset the CRC calculation of the SPI. |
| * @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 SPI_RESET_CRC(__HANDLE__) \ |
| do{ \ |
| CLEAR_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_CRCEN); \ |
| SET_BIT((__HANDLE__)->Instance->CR1, SPI_CR1_CRCEN); \ |
| } while(0U) |
| |
| /** @brief Check whether the specified SPI flag is set or not. |
| * @param __SR__ copy of SPI SR register. |
| * @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 |
| * @arg SPI_FLAG_FTLVL: SPI fifo transmission level |
| * @arg SPI_FLAG_FRLVL: SPI fifo reception level |
| * @retval SET or RESET. |
| */ |
| #define SPI_CHECK_FLAG(__SR__, __FLAG__) ((((__SR__) & ((__FLAG__) & SPI_FLAG_MASK)) == \ |
| ((__FLAG__) & SPI_FLAG_MASK)) ? SET : RESET) |
| |
| /** @brief Check whether the specified SPI Interrupt is set or not. |
| * @param __CR2__ copy of SPI CR2 register. |
| * @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 SET or RESET. |
| */ |
| #define SPI_CHECK_IT_SOURCE(__CR2__, __INTERRUPT__) ((((__CR2__) & (__INTERRUPT__)) == \ |
| (__INTERRUPT__)) ? SET : RESET) |
| |
| /** @brief Checks if SPI Mode parameter is in allowed range. |
| * @param __MODE__ specifies the SPI Mode. |
| * This parameter can be a value of @ref SPI_Mode |
| * @retval None |
| */ |
| #define IS_SPI_MODE(__MODE__) (((__MODE__) == SPI_MODE_SLAVE) || \ |
| ((__MODE__) == SPI_MODE_MASTER)) |
| |
| /** @brief Checks if SPI Direction Mode parameter is in allowed range. |
| * @param __MODE__ specifies the SPI Direction Mode. |
| * This parameter can be a value of @ref SPI_Direction |
| * @retval None |
| */ |
| #define IS_SPI_DIRECTION(__MODE__) (((__MODE__) == SPI_DIRECTION_2LINES) || \ |
| ((__MODE__) == SPI_DIRECTION_2LINES_RXONLY) || \ |
| ((__MODE__) == SPI_DIRECTION_1LINE)) |
| |
| /** @brief Checks if SPI Direction Mode parameter is 2 lines. |
| * @param __MODE__ specifies the SPI Direction Mode. |
| * @retval None |
| */ |
| #define IS_SPI_DIRECTION_2LINES(__MODE__) ((__MODE__) == SPI_DIRECTION_2LINES) |
| |
| /** @brief Checks if SPI Direction Mode parameter is 1 or 2 lines. |
| * @param __MODE__ specifies the SPI Direction Mode. |
| * @retval None |
| */ |
| #define IS_SPI_DIRECTION_2LINES_OR_1LINE(__MODE__) (((__MODE__) == SPI_DIRECTION_2LINES) || \ |
| ((__MODE__) == SPI_DIRECTION_1LINE)) |
| |
| /** @brief Checks if SPI Data Size parameter is in allowed range. |
| * @param __DATASIZE__ specifies the SPI Data Size. |
| * This parameter can be a value of @ref SPI_Data_Size |
| * @retval None |
| */ |
| #define IS_SPI_DATASIZE(__DATASIZE__) (((__DATASIZE__) == SPI_DATASIZE_16BIT) || \ |
| ((__DATASIZE__) == SPI_DATASIZE_15BIT) || \ |
| ((__DATASIZE__) == SPI_DATASIZE_14BIT) || \ |
| ((__DATASIZE__) == SPI_DATASIZE_13BIT) || \ |
| ((__DATASIZE__) == SPI_DATASIZE_12BIT) || \ |
| ((__DATASIZE__) == SPI_DATASIZE_11BIT) || \ |
| ((__DATASIZE__) == SPI_DATASIZE_10BIT) || \ |
| ((__DATASIZE__) == SPI_DATASIZE_9BIT) || \ |
| ((__DATASIZE__) == SPI_DATASIZE_8BIT) || \ |
| ((__DATASIZE__) == SPI_DATASIZE_7BIT) || \ |
| ((__DATASIZE__) == SPI_DATASIZE_6BIT) || \ |
| ((__DATASIZE__) == SPI_DATASIZE_5BIT) || \ |
| ((__DATASIZE__) == SPI_DATASIZE_4BIT)) |
| |
| /** @brief Checks if SPI Serial clock steady state parameter is in allowed range. |
| * @param __CPOL__ specifies the SPI serial clock steady state. |
| * This parameter can be a value of @ref SPI_Clock_Polarity |
| * @retval None |
| */ |
| #define IS_SPI_CPOL(__CPOL__) (((__CPOL__) == SPI_POLARITY_LOW) || \ |
| ((__CPOL__) == SPI_POLARITY_HIGH)) |
| |
| /** @brief Checks if SPI Clock Phase parameter is in allowed range. |
| * @param __CPHA__ specifies the SPI Clock Phase. |
| * This parameter can be a value of @ref SPI_Clock_Phase |
| * @retval None |
| */ |
| #define IS_SPI_CPHA(__CPHA__) (((__CPHA__) == SPI_PHASE_1EDGE) || \ |
| ((__CPHA__) == SPI_PHASE_2EDGE)) |
| |
| /** @brief Checks if SPI Slave Select parameter is in allowed range. |
| * @param __NSS__ specifies the SPI Slave Select management parameter. |
| * This parameter can be a value of @ref SPI_Slave_Select_management |
| * @retval None |
| */ |
| #define IS_SPI_NSS(__NSS__) (((__NSS__) == SPI_NSS_SOFT) || \ |
| ((__NSS__) == SPI_NSS_HARD_INPUT) || \ |
| ((__NSS__) == SPI_NSS_HARD_OUTPUT)) |
| |
| /** @brief Checks if SPI NSS Pulse parameter is in allowed range. |
| * @param __NSSP__ specifies the SPI NSS Pulse Mode parameter. |
| * This parameter can be a value of @ref SPI_NSSP_Mode |
| * @retval None |
| */ |
| #define IS_SPI_NSSP(__NSSP__) (((__NSSP__) == SPI_NSS_PULSE_ENABLE) || \ |
| ((__NSSP__) == SPI_NSS_PULSE_DISABLE)) |
| |
| /** @brief Checks if SPI Baudrate prescaler parameter is in allowed range. |
| * @param __PRESCALER__ specifies the SPI Baudrate prescaler. |
| * This parameter can be a value of @ref SPI_BaudRate_Prescaler |
| * @retval None |
| */ |
| #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)) |
| |
| /** @brief Checks if SPI MSB LSB transmission parameter is in allowed range. |
| * @param __BIT__ specifies the SPI MSB LSB transmission (whether data transfer starts from MSB or LSB bit). |
| * This parameter can be a value of @ref SPI_MSB_LSB_transmission |
| * @retval None |
| */ |
| #define IS_SPI_FIRST_BIT(__BIT__) (((__BIT__) == SPI_FIRSTBIT_MSB) || \ |
| ((__BIT__) == SPI_FIRSTBIT_LSB)) |
| |
| /** @brief Checks if SPI TI mode parameter is in allowed range. |
| * @param __MODE__ specifies the SPI TI mode. |
| * This parameter can be a value of @ref SPI_TI_mode |
| * @retval None |
| */ |
| #define IS_SPI_TIMODE(__MODE__) (((__MODE__) == SPI_TIMODE_DISABLE) || \ |
| ((__MODE__) == SPI_TIMODE_ENABLE)) |
| |
| /** @brief Checks if SPI CRC calculation enabled state is in allowed range. |
| * @param __CALCULATION__ specifies the SPI CRC calculation enable state. |
| * This parameter can be a value of @ref SPI_CRC_Calculation |
| * @retval None |
| */ |
| #define IS_SPI_CRC_CALCULATION(__CALCULATION__) (((__CALCULATION__) == SPI_CRCCALCULATION_DISABLE) || \ |
| ((__CALCULATION__) == SPI_CRCCALCULATION_ENABLE)) |
| |
| /** @brief Checks if SPI CRC length is in allowed range. |
| * @param __LENGTH__ specifies the SPI CRC length. |
| * This parameter can be a value of @ref SPI_CRC_length |
| * @retval None |
| */ |
| #define IS_SPI_CRC_LENGTH(__LENGTH__) (((__LENGTH__) == SPI_CRC_LENGTH_DATASIZE) || \ |
| ((__LENGTH__) == SPI_CRC_LENGTH_8BIT) || \ |
| ((__LENGTH__) == SPI_CRC_LENGTH_16BIT)) |
| |
| /** @brief Checks if SPI polynomial value to be used for the CRC calculation, is in allowed range. |
| * @param __POLYNOMIAL__ specifies the SPI polynomial value to be used for the CRC calculation. |
| * This parameter must be a number between Min_Data = 0 and Max_Data = 65535 |
| * @retval None |
| */ |
| #define IS_SPI_CRC_POLYNOMIAL(__POLYNOMIAL__) (((__POLYNOMIAL__) >= 0x1U) && \ |
| ((__POLYNOMIAL__) <= 0xFFFFU) && \ |
| (((__POLYNOMIAL__)&0x1U) != 0U)) |
| |
| /** @brief Checks if DMA handle is valid. |
| * @param __HANDLE__ specifies a DMA Handle. |
| * @retval None |
| */ |
| #define IS_SPI_DMA_HANDLE(__HANDLE__) ((__HANDLE__) != NULL) |
| |
| /** |
| * @} |
| */ |
| |
| /* Include SPI HAL Extended module */ |
| #include "stm32l4xx_hal_spi_ex.h" |
| |
| /* Exported functions --------------------------------------------------------*/ |
| /** @addtogroup SPI_Exported_Functions |
| * @{ |
| */ |
| |
| /** @addtogroup SPI_Exported_Functions_Group1 |
| * @{ |
| */ |
| /* 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); |
| |
| /* Callbacks Register/UnRegister functions ***********************************/ |
| #if (USE_HAL_SPI_REGISTER_CALLBACKS == 1U) |
| HAL_StatusTypeDef HAL_SPI_RegisterCallback(SPI_HandleTypeDef *hspi, HAL_SPI_CallbackIDTypeDef CallbackID, |
| pSPI_CallbackTypeDef pCallback); |
| HAL_StatusTypeDef HAL_SPI_UnRegisterCallback(SPI_HandleTypeDef *hspi, HAL_SPI_CallbackIDTypeDef CallbackID); |
| #endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ |
| /** |
| * @} |
| */ |
| |
| /** @addtogroup SPI_Exported_Functions_Group2 |
| * @{ |
| */ |
| /* I/O operation functions ***************************************************/ |
| HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, const 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, const uint8_t *pTxData, uint8_t *pRxData, |
| uint16_t Size, uint32_t Timeout); |
| HAL_StatusTypeDef HAL_SPI_Transmit_IT(SPI_HandleTypeDef *hspi, const 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, const uint8_t *pTxData, uint8_t *pRxData, |
| uint16_t Size); |
| HAL_StatusTypeDef HAL_SPI_Transmit_DMA(SPI_HandleTypeDef *hspi, const 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, const uint8_t *pTxData, uint8_t *pRxData, |
| uint16_t Size); |
| HAL_StatusTypeDef HAL_SPI_DMAPause(SPI_HandleTypeDef *hspi); |
| HAL_StatusTypeDef HAL_SPI_DMAResume(SPI_HandleTypeDef *hspi); |
| HAL_StatusTypeDef HAL_SPI_DMAStop(SPI_HandleTypeDef *hspi); |
| /* Transfer Abort functions */ |
| HAL_StatusTypeDef HAL_SPI_Abort(SPI_HandleTypeDef *hspi); |
| HAL_StatusTypeDef HAL_SPI_Abort_IT(SPI_HandleTypeDef *hspi); |
| |
| 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_TxHalfCpltCallback(SPI_HandleTypeDef *hspi); |
| void HAL_SPI_RxHalfCpltCallback(SPI_HandleTypeDef *hspi); |
| void HAL_SPI_TxRxHalfCpltCallback(SPI_HandleTypeDef *hspi); |
| void HAL_SPI_ErrorCallback(SPI_HandleTypeDef *hspi); |
| void HAL_SPI_AbortCpltCallback(SPI_HandleTypeDef *hspi); |
| /** |
| * @} |
| */ |
| |
| /** @addtogroup SPI_Exported_Functions_Group3 |
| * @{ |
| */ |
| /* Peripheral State and Error functions ***************************************/ |
| HAL_SPI_StateTypeDef HAL_SPI_GetState(const SPI_HandleTypeDef *hspi); |
| uint32_t HAL_SPI_GetError(const SPI_HandleTypeDef *hspi); |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* STM32L4xx_HAL_SPI_H */ |
| |
