2 ******************************************************************************
3 * @file stm32f4xx_hal_spi.h
4 * @author MCD Application Team
7 * @brief Header file of SPI HAL module.
8 ******************************************************************************
11 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
13 * Redistribution and use in source and binary forms, with or without modification,
14 * are permitted provided that the following conditions are met:
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright notice,
18 * this list of conditions and the following disclaimer in the documentation
19 * and/or other materials provided with the distribution.
20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 ******************************************************************************
38 /* Define to prevent recursive inclusion -------------------------------------*/
39 #ifndef __STM32F4xx_HAL_SPI_H
40 #define __STM32F4xx_HAL_SPI_H
46 /* Includes ------------------------------------------------------------------*/
47 #include "stm32f4xx_hal_def.h"
49 /** @addtogroup STM32F4xx_HAL_Driver
57 /* Exported types ------------------------------------------------------------*/
58 /** @defgroup SPI_Exported_Types SPI Exported Types
63 * @brief SPI Configuration Structure definition
67 uint32_t Mode
; /*!< Specifies the SPI operating mode.
68 This parameter can be a value of @ref SPI_Mode */
70 uint32_t Direction
; /*!< Specifies the SPI bidirectional mode state.
71 This parameter can be a value of @ref SPI_Direction */
73 uint32_t DataSize
; /*!< Specifies the SPI data size.
74 This parameter can be a value of @ref SPI_Data_Size */
76 uint32_t CLKPolarity
; /*!< Specifies the serial clock steady state.
77 This parameter can be a value of @ref SPI_Clock_Polarity */
79 uint32_t CLKPhase
; /*!< Specifies the clock active edge for the bit capture.
80 This parameter can be a value of @ref SPI_Clock_Phase */
82 uint32_t NSS
; /*!< Specifies whether the NSS signal is managed by
83 hardware (NSS pin) or by software using the SSI bit.
84 This parameter can be a value of @ref SPI_Slave_Select_management */
86 uint32_t BaudRatePrescaler
; /*!< Specifies the Baud Rate prescaler value which will be
87 used to configure the transmit and receive SCK clock.
88 This parameter can be a value of @ref SPI_BaudRate_Prescaler
89 @note The communication clock is derived from the master
90 clock. The slave clock does not need to be set. */
92 uint32_t FirstBit
; /*!< Specifies whether data transfers start from MSB or LSB bit.
93 This parameter can be a value of @ref SPI_MSB_LSB_transmission */
95 uint32_t TIMode
; /*!< Specifies if the TI mode is enabled or not.
96 This parameter can be a value of @ref SPI_TI_mode */
98 uint32_t CRCCalculation
; /*!< Specifies if the CRC calculation is enabled or not.
99 This parameter can be a value of @ref SPI_CRC_Calculation */
101 uint32_t CRCPolynomial
; /*!< Specifies the polynomial used for the CRC calculation.
102 This parameter must be a number between Min_Data = 0 and Max_Data = 65535 */
106 * @brief HAL SPI State structure definition
110 HAL_SPI_STATE_RESET
= 0x00U
, /*!< Peripheral not Initialized */
111 HAL_SPI_STATE_READY
= 0x01U
, /*!< Peripheral Initialized and ready for use */
112 HAL_SPI_STATE_BUSY
= 0x02U
, /*!< an internal process is ongoing */
113 HAL_SPI_STATE_BUSY_TX
= 0x03U
, /*!< Data Transmission process is ongoing */
114 HAL_SPI_STATE_BUSY_RX
= 0x04U
, /*!< Data Reception process is ongoing */
115 HAL_SPI_STATE_BUSY_TX_RX
= 0x05U
, /*!< Data Transmission and Reception process is ongoing */
116 HAL_SPI_STATE_ERROR
= 0x06U
/*!< SPI error state */
117 }HAL_SPI_StateTypeDef
;
120 * @brief SPI handle Structure definition
122 typedef struct __SPI_HandleTypeDef
124 SPI_TypeDef
*Instance
; /* SPI registers base address */
126 SPI_InitTypeDef Init
; /* SPI communication parameters */
128 uint8_t *pTxBuffPtr
; /* Pointer to SPI Tx transfer Buffer */
130 uint16_t TxXferSize
; /* SPI Tx Transfer size */
132 __IO
uint16_t TxXferCount
; /* SPI Tx Transfer Counter */
134 uint8_t *pRxBuffPtr
; /* Pointer to SPI Rx transfer Buffer */
136 uint16_t RxXferSize
; /* SPI Rx Transfer size */
138 __IO
uint16_t RxXferCount
; /* SPI Rx Transfer Counter */
140 void (*RxISR
)(struct __SPI_HandleTypeDef
* hspi
); /* function pointer on Rx ISR */
142 void (*TxISR
)(struct __SPI_HandleTypeDef
* hspi
); /* function pointer on Tx ISR */
144 DMA_HandleTypeDef
*hdmatx
; /* SPI Tx DMA Handle parameters */
146 DMA_HandleTypeDef
*hdmarx
; /* SPI Rx DMA Handle parameters */
148 HAL_LockTypeDef Lock
; /* Locking object */
150 __IO HAL_SPI_StateTypeDef State
; /* SPI communication state */
152 __IO
uint32_t ErrorCode
; /* SPI Error code */
160 /* Exported constants --------------------------------------------------------*/
161 /** @defgroup SPI_Exported_Constants SPI Exported Constants
165 /** @defgroup SPI_Error_Code SPI Error Code
168 #define HAL_SPI_ERROR_NONE 0x00000000U /*!< No error */
169 #define HAL_SPI_ERROR_MODF 0x00000001U /*!< MODF error */
170 #define HAL_SPI_ERROR_CRC 0x00000002U /*!< CRC error */
171 #define HAL_SPI_ERROR_OVR 0x00000004U /*!< OVR error */
172 #define HAL_SPI_ERROR_FRE 0x00000008U /*!< FRE error */
173 #define HAL_SPI_ERROR_DMA 0x00000010U /*!< DMA transfer error */
174 #define HAL_SPI_ERROR_FLAG 0x00000020U /*!< Flag: RXNE,TXE, BSY */
179 /** @defgroup SPI_Mode SPI Mode
182 #define SPI_MODE_SLAVE 0x00000000U
183 #define SPI_MODE_MASTER (SPI_CR1_MSTR | SPI_CR1_SSI)
188 /** @defgroup SPI_Direction SPI Direction Mode
191 #define SPI_DIRECTION_2LINES 0x00000000U
192 #define SPI_DIRECTION_2LINES_RXONLY SPI_CR1_RXONLY
193 #define SPI_DIRECTION_1LINE SPI_CR1_BIDIMODE
198 /** @defgroup SPI_Data_Size SPI Data Size
201 #define SPI_DATASIZE_8BIT 0x00000000U
202 #define SPI_DATASIZE_16BIT SPI_CR1_DFF
207 /** @defgroup SPI_Clock_Polarity SPI Clock Polarity
210 #define SPI_POLARITY_LOW 0x00000000U
211 #define SPI_POLARITY_HIGH SPI_CR1_CPOL
216 /** @defgroup SPI_Clock_Phase SPI Clock Phase
219 #define SPI_PHASE_1EDGE 0x00000000U
220 #define SPI_PHASE_2EDGE SPI_CR1_CPHA
225 /** @defgroup SPI_Slave_Select_management SPI Slave Select Management
228 #define SPI_NSS_SOFT SPI_CR1_SSM
229 #define SPI_NSS_HARD_INPUT 0x00000000U
230 #define SPI_NSS_HARD_OUTPUT 0x00040000U
235 /** @defgroup SPI_BaudRate_Prescaler SPI BaudRate Prescaler
238 #define SPI_BAUDRATEPRESCALER_2 0x00000000U
239 #define SPI_BAUDRATEPRESCALER_4 0x00000008U
240 #define SPI_BAUDRATEPRESCALER_8 0x00000010U
241 #define SPI_BAUDRATEPRESCALER_16 0x00000018U
242 #define SPI_BAUDRATEPRESCALER_32 0x00000020U
243 #define SPI_BAUDRATEPRESCALER_64 0x00000028U
244 #define SPI_BAUDRATEPRESCALER_128 0x00000030U
245 #define SPI_BAUDRATEPRESCALER_256 0x00000038U
250 /** @defgroup SPI_MSB_LSB_transmission SPI MSB LSB Transmission
253 #define SPI_FIRSTBIT_MSB 0x00000000U
254 #define SPI_FIRSTBIT_LSB SPI_CR1_LSBFIRST
259 /** @defgroup SPI_TI_mode SPI TI Mode
262 #define SPI_TIMODE_DISABLE 0x00000000U
263 #define SPI_TIMODE_ENABLE SPI_CR2_FRF
268 /** @defgroup SPI_CRC_Calculation SPI CRC Calculation
271 #define SPI_CRCCALCULATION_DISABLE 0x00000000U
272 #define SPI_CRCCALCULATION_ENABLE SPI_CR1_CRCEN
277 /** @defgroup SPI_Interrupt_definition SPI Interrupt Definition
280 #define SPI_IT_TXE SPI_CR2_TXEIE
281 #define SPI_IT_RXNE SPI_CR2_RXNEIE
282 #define SPI_IT_ERR SPI_CR2_ERRIE
287 /** @defgroup SPI_Flags_definition SPI Flags Definition
290 #define SPI_FLAG_RXNE SPI_SR_RXNE /* SPI status flag: Rx buffer not empty flag */
291 #define SPI_FLAG_TXE SPI_SR_TXE /* SPI status flag: Tx buffer empty flag */
292 #define SPI_FLAG_BSY SPI_SR_BSY /* SPI status flag: Busy flag */
293 #define SPI_FLAG_CRCERR SPI_SR_CRCERR /* SPI Error flag: CRC error flag */
294 #define SPI_FLAG_MODF SPI_SR_MODF /* SPI Error flag: Mode fault flag */
295 #define SPI_FLAG_OVR SPI_SR_OVR /* SPI Error flag: Overrun flag */
296 #define SPI_FLAG_FRE SPI_SR_FRE /* SPI Error flag: TI mode frame format error flag */
305 /* Exported macro ------------------------------------------------------------*/
306 /** @defgroup SPI_Exported_Macros SPI Exported Macros
310 /** @brief Reset SPI handle state.
311 * @param __HANDLE__: specifies the SPI Handle.
312 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
315 #define __HAL_SPI_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_SPI_STATE_RESET)
317 /** @brief Enable or disable the specified SPI interrupts.
318 * @param __HANDLE__: specifies the SPI Handle.
319 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
320 * @param __INTERRUPT__: specifies the interrupt source to enable or disable.
321 * This parameter can be one of the following values:
322 * @arg SPI_IT_TXE: Tx buffer empty interrupt enable
323 * @arg SPI_IT_RXNE: RX buffer not empty interrupt enable
324 * @arg SPI_IT_ERR: Error interrupt enable
327 #define __HAL_SPI_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR2 |= (__INTERRUPT__))
328 #define __HAL_SPI_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((__HANDLE__)->Instance->CR2 &= (~(__INTERRUPT__)))
330 /** @brief Check whether the specified SPI interrupt source is enabled or not.
331 * @param __HANDLE__: specifies the SPI Handle.
332 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
333 * @param __INTERRUPT__: specifies the SPI interrupt source to check.
334 * This parameter can be one of the following values:
335 * @arg SPI_IT_TXE: Tx buffer empty interrupt enable
336 * @arg SPI_IT_RXNE: RX buffer not empty interrupt enable
337 * @arg SPI_IT_ERR: Error interrupt enable
338 * @retval The new state of __IT__ (TRUE or FALSE).
340 #define __HAL_SPI_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
342 /** @brief Check whether the specified SPI flag is set or not.
343 * @param __HANDLE__: specifies the SPI Handle.
344 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
345 * @param __FLAG__: specifies the flag to check.
346 * This parameter can be one of the following values:
347 * @arg SPI_FLAG_RXNE: Receive buffer not empty flag
348 * @arg SPI_FLAG_TXE: Transmit buffer empty flag
349 * @arg SPI_FLAG_CRCERR: CRC error flag
350 * @arg SPI_FLAG_MODF: Mode fault flag
351 * @arg SPI_FLAG_OVR: Overrun flag
352 * @arg SPI_FLAG_BSY: Busy flag
353 * @arg SPI_FLAG_FRE: Frame format error flag
354 * @retval The new state of __FLAG__ (TRUE or FALSE).
356 #define __HAL_SPI_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
358 /** @brief Clear the SPI CRCERR pending flag.
359 * @param __HANDLE__: specifies the SPI Handle.
360 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
363 #define __HAL_SPI_CLEAR_CRCERRFLAG(__HANDLE__) ((__HANDLE__)->Instance->SR = (uint16_t)(~SPI_FLAG_CRCERR))
365 /** @brief Clear the SPI MODF pending flag.
366 * @param __HANDLE__: specifies the SPI Handle.
367 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
370 #define __HAL_SPI_CLEAR_MODFFLAG(__HANDLE__) \
372 __IO uint32_t tmpreg_modf = 0x00U; \
373 tmpreg_modf = (__HANDLE__)->Instance->SR; \
374 (__HANDLE__)->Instance->CR1 &= (~SPI_CR1_SPE); \
375 UNUSED(tmpreg_modf); \
378 /** @brief Clear the SPI OVR pending flag.
379 * @param __HANDLE__: specifies the SPI Handle.
380 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
383 #define __HAL_SPI_CLEAR_OVRFLAG(__HANDLE__) \
385 __IO uint32_t tmpreg_ovr = 0x00U; \
386 tmpreg_ovr = (__HANDLE__)->Instance->DR; \
387 tmpreg_ovr = (__HANDLE__)->Instance->SR; \
388 UNUSED(tmpreg_ovr); \
391 /** @brief Clear the SPI FRE pending flag.
392 * @param __HANDLE__: specifies the SPI Handle.
393 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
396 #define __HAL_SPI_CLEAR_FREFLAG(__HANDLE__) \
398 __IO uint32_t tmpreg_fre = 0x00U; \
399 tmpreg_fre = (__HANDLE__)->Instance->SR; \
400 UNUSED(tmpreg_fre); \
403 /** @brief Enable the SPI peripheral.
404 * @param __HANDLE__: specifies the SPI Handle.
405 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
408 #define __HAL_SPI_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= SPI_CR1_SPE)
410 /** @brief Disable the SPI peripheral.
411 * @param __HANDLE__: specifies the SPI Handle.
412 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
415 #define __HAL_SPI_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= (~SPI_CR1_SPE))
420 /* Exported functions --------------------------------------------------------*/
421 /** @addtogroup SPI_Exported_Functions
425 /** @addtogroup SPI_Exported_Functions_Group1
428 /* Initialization/de-initialization functions **********************************/
429 HAL_StatusTypeDef
HAL_SPI_Init(SPI_HandleTypeDef
*hspi
);
430 HAL_StatusTypeDef
HAL_SPI_DeInit (SPI_HandleTypeDef
*hspi
);
431 void HAL_SPI_MspInit(SPI_HandleTypeDef
*hspi
);
432 void HAL_SPI_MspDeInit(SPI_HandleTypeDef
*hspi
);
437 /** @addtogroup SPI_Exported_Functions_Group2
440 /* I/O operation functions *****************************************************/
441 HAL_StatusTypeDef
HAL_SPI_Transmit(SPI_HandleTypeDef
*hspi
, uint8_t *pData
, uint16_t Size
, uint32_t Timeout
);
442 HAL_StatusTypeDef
HAL_SPI_Receive(SPI_HandleTypeDef
*hspi
, uint8_t *pData
, uint16_t Size
, uint32_t Timeout
);
443 HAL_StatusTypeDef
HAL_SPI_TransmitReceive(SPI_HandleTypeDef
*hspi
, uint8_t *pTxData
, uint8_t *pRxData
, uint16_t Size
, uint32_t Timeout
);
444 HAL_StatusTypeDef
HAL_SPI_Transmit_IT(SPI_HandleTypeDef
*hspi
, uint8_t *pData
, uint16_t Size
);
445 HAL_StatusTypeDef
HAL_SPI_Receive_IT(SPI_HandleTypeDef
*hspi
, uint8_t *pData
, uint16_t Size
);
446 HAL_StatusTypeDef
HAL_SPI_TransmitReceive_IT(SPI_HandleTypeDef
*hspi
, uint8_t *pTxData
, uint8_t *pRxData
, uint16_t Size
);
447 HAL_StatusTypeDef
HAL_SPI_Transmit_DMA(SPI_HandleTypeDef
*hspi
, uint8_t *pData
, uint16_t Size
);
448 HAL_StatusTypeDef
HAL_SPI_Receive_DMA(SPI_HandleTypeDef
*hspi
, uint8_t *pData
, uint16_t Size
);
449 HAL_StatusTypeDef
HAL_SPI_TransmitReceive_DMA(SPI_HandleTypeDef
*hspi
, uint8_t *pTxData
, uint8_t *pRxData
, uint16_t Size
);
450 HAL_StatusTypeDef
HAL_SPI_DMAPause(SPI_HandleTypeDef
*hspi
);
451 HAL_StatusTypeDef
HAL_SPI_DMAResume(SPI_HandleTypeDef
*hspi
);
452 HAL_StatusTypeDef
HAL_SPI_DMAStop(SPI_HandleTypeDef
*hspi
);
453 /* Transfer Abort functions */
454 HAL_StatusTypeDef
HAL_SPI_Abort(SPI_HandleTypeDef
*hspi
);
455 HAL_StatusTypeDef
HAL_SPI_Abort_IT(SPI_HandleTypeDef
*hspi
);
457 void HAL_SPI_IRQHandler(SPI_HandleTypeDef
*hspi
);
458 void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef
*hspi
);
459 void HAL_SPI_RxCpltCallback(SPI_HandleTypeDef
*hspi
);
460 void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef
*hspi
);
461 void HAL_SPI_TxHalfCpltCallback(SPI_HandleTypeDef
*hspi
);
462 void HAL_SPI_RxHalfCpltCallback(SPI_HandleTypeDef
*hspi
);
463 void HAL_SPI_TxRxHalfCpltCallback(SPI_HandleTypeDef
*hspi
);
464 void HAL_SPI_ErrorCallback(SPI_HandleTypeDef
*hspi
);
465 void HAL_SPI_AbortCpltCallback(SPI_HandleTypeDef
*hspi
);
470 /** @addtogroup SPI_Exported_Functions_Group3
473 /* Peripheral State and Error functions ***************************************/
474 HAL_SPI_StateTypeDef
HAL_SPI_GetState(SPI_HandleTypeDef
*hspi
);
475 uint32_t HAL_SPI_GetError(SPI_HandleTypeDef
*hspi
);
484 /* Private types -------------------------------------------------------------*/
485 /* Private variables ---------------------------------------------------------*/
486 /* Private constants ---------------------------------------------------------*/
488 /* Private macros ------------------------------------------------------------*/
489 /** @defgroup SPI_Private_Macros SPI Private Macros
493 /** @brief Set the SPI transmit-only mode.
494 * @param __HANDLE__: specifies the SPI Handle.
495 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
498 #define SPI_1LINE_TX(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= SPI_CR1_BIDIOE)
500 /** @brief Set the SPI receive-only mode.
501 * @param __HANDLE__: specifies the SPI Handle.
502 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
505 #define SPI_1LINE_RX(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= (~SPI_CR1_BIDIOE))
507 /** @brief Reset the CRC calculation of the SPI.
508 * @param __HANDLE__: specifies the SPI Handle.
509 * This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
512 #define SPI_RESET_CRC(__HANDLE__) do{(__HANDLE__)->Instance->CR1 &= (uint16_t)(~SPI_CR1_CRCEN);\
513 (__HANDLE__)->Instance->CR1 |= SPI_CR1_CRCEN;}while(0U)
515 #define IS_SPI_MODE(MODE) (((MODE) == SPI_MODE_SLAVE) || \
516 ((MODE) == SPI_MODE_MASTER))
518 #define IS_SPI_DIRECTION(MODE) (((MODE) == SPI_DIRECTION_2LINES) || \
519 ((MODE) == SPI_DIRECTION_2LINES_RXONLY) || \
520 ((MODE) == SPI_DIRECTION_1LINE))
522 #define IS_SPI_DIRECTION_2LINES(MODE) ((MODE) == SPI_DIRECTION_2LINES)
524 #define IS_SPI_DIRECTION_2LINES_OR_1LINE(MODE) (((MODE) == SPI_DIRECTION_2LINES) || \
525 ((MODE) == SPI_DIRECTION_1LINE))
527 #define IS_SPI_DATASIZE(DATASIZE) (((DATASIZE) == SPI_DATASIZE_16BIT) || \
528 ((DATASIZE) == SPI_DATASIZE_8BIT))
530 #define IS_SPI_CPOL(CPOL) (((CPOL) == SPI_POLARITY_LOW) || \
531 ((CPOL) == SPI_POLARITY_HIGH))
533 #define IS_SPI_CPHA(CPHA) (((CPHA) == SPI_PHASE_1EDGE) || \
534 ((CPHA) == SPI_PHASE_2EDGE))
536 #define IS_SPI_NSS(NSS) (((NSS) == SPI_NSS_SOFT) || \
537 ((NSS) == SPI_NSS_HARD_INPUT) || \
538 ((NSS) == SPI_NSS_HARD_OUTPUT))
540 #define IS_SPI_BAUDRATE_PRESCALER(PRESCALER) (((PRESCALER) == SPI_BAUDRATEPRESCALER_2) || \
541 ((PRESCALER) == SPI_BAUDRATEPRESCALER_4) || \
542 ((PRESCALER) == SPI_BAUDRATEPRESCALER_8) || \
543 ((PRESCALER) == SPI_BAUDRATEPRESCALER_16) || \
544 ((PRESCALER) == SPI_BAUDRATEPRESCALER_32) || \
545 ((PRESCALER) == SPI_BAUDRATEPRESCALER_64) || \
546 ((PRESCALER) == SPI_BAUDRATEPRESCALER_128) || \
547 ((PRESCALER) == SPI_BAUDRATEPRESCALER_256))
549 #define IS_SPI_FIRST_BIT(BIT) (((BIT) == SPI_FIRSTBIT_MSB) || \
550 ((BIT) == SPI_FIRSTBIT_LSB))
552 #define IS_SPI_TIMODE(MODE) (((MODE) == SPI_TIMODE_DISABLE) || \
553 ((MODE) == SPI_TIMODE_ENABLE))
555 #define IS_SPI_CRC_CALCULATION(CALCULATION) (((CALCULATION) == SPI_CRCCALCULATION_DISABLE) || \
556 ((CALCULATION) == SPI_CRCCALCULATION_ENABLE))
558 #define IS_SPI_CRC_POLYNOMIAL(POLYNOMIAL) (((POLYNOMIAL) >= 0x01U) && ((POLYNOMIAL) <= 0xFFFFU))
564 /* Private functions ---------------------------------------------------------*/
565 /** @defgroup SPI_Private_Functions SPI Private Functions
585 #endif /* __STM32F4xx_HAL_SPI_H */
587 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/