stm32f4xx_spi.h
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1 
29 /* Define to prevent recursive inclusion -------------------------------------*/
30 #ifndef __STM32F4xx_SPI_H
31 #define __STM32F4xx_SPI_H
32 
33 #ifdef __cplusplus
34  extern "C" {
35 #endif
36 
37 /* Includes ------------------------------------------------------------------*/
38 #include "stm32f4xx.h"
39 
48 /* Exported types ------------------------------------------------------------*/
49 
54 typedef struct
55 {
56  uint16_t SPI_Direction;
59  uint16_t SPI_Mode;
62  uint16_t SPI_DataSize;
65  uint16_t SPI_CPOL;
68  uint16_t SPI_CPHA;
71  uint16_t SPI_NSS;
81  uint16_t SPI_FirstBit;
84  uint16_t SPI_CRCPolynomial;
86 
91 typedef struct
92 {
93 
94  uint16_t I2S_Mode;
97  uint16_t I2S_Standard;
100  uint16_t I2S_DataFormat;
103  uint16_t I2S_MCLKOutput;
106  uint32_t I2S_AudioFreq;
109  uint16_t I2S_CPOL;
112 
113 /* Exported constants --------------------------------------------------------*/
114 
119 #define IS_SPI_ALL_PERIPH(PERIPH) (((PERIPH) == SPI1) || \
120  ((PERIPH) == SPI2) || \
121  ((PERIPH) == SPI3) || \
122  ((PERIPH) == SPI4) || \
123  ((PERIPH) == SPI5) || \
124  ((PERIPH) == SPI6))
125 
126 #define IS_SPI_ALL_PERIPH_EXT(PERIPH) (((PERIPH) == SPI1) || \
127  ((PERIPH) == SPI2) || \
128  ((PERIPH) == SPI3) || \
129  ((PERIPH) == SPI4) || \
130  ((PERIPH) == SPI5) || \
131  ((PERIPH) == SPI6) || \
132  ((PERIPH) == I2S2ext) || \
133  ((PERIPH) == I2S3ext))
134 
135 #define IS_SPI_23_PERIPH(PERIPH) (((PERIPH) == SPI2) || \
136  ((PERIPH) == SPI3))
137 
138 #define IS_SPI_23_PERIPH_EXT(PERIPH) (((PERIPH) == SPI2) || \
139  ((PERIPH) == SPI3) || \
140  ((PERIPH) == I2S2ext) || \
141  ((PERIPH) == I2S3ext))
142 
143 #define IS_I2S_EXT_PERIPH(PERIPH) (((PERIPH) == I2S2ext) || \
144  ((PERIPH) == I2S3ext))
145 
146 
151 #define SPI_Direction_2Lines_FullDuplex ((uint16_t)0x0000)
152 #define SPI_Direction_2Lines_RxOnly ((uint16_t)0x0400)
153 #define SPI_Direction_1Line_Rx ((uint16_t)0x8000)
154 #define SPI_Direction_1Line_Tx ((uint16_t)0xC000)
155 #define IS_SPI_DIRECTION_MODE(MODE) (((MODE) == SPI_Direction_2Lines_FullDuplex) || \
156  ((MODE) == SPI_Direction_2Lines_RxOnly) || \
157  ((MODE) == SPI_Direction_1Line_Rx) || \
158  ((MODE) == SPI_Direction_1Line_Tx))
159 
167 #define SPI_Mode_Master ((uint16_t)0x0104)
168 #define SPI_Mode_Slave ((uint16_t)0x0000)
169 #define IS_SPI_MODE(MODE) (((MODE) == SPI_Mode_Master) || \
170  ((MODE) == SPI_Mode_Slave))
171 
179 #define SPI_DataSize_16b ((uint16_t)0x0800)
180 #define SPI_DataSize_8b ((uint16_t)0x0000)
181 #define IS_SPI_DATASIZE(DATASIZE) (((DATASIZE) == SPI_DataSize_16b) || \
182  ((DATASIZE) == SPI_DataSize_8b))
183 
191 #define SPI_CPOL_Low ((uint16_t)0x0000)
192 #define SPI_CPOL_High ((uint16_t)0x0002)
193 #define IS_SPI_CPOL(CPOL) (((CPOL) == SPI_CPOL_Low) || \
194  ((CPOL) == SPI_CPOL_High))
195 
203 #define SPI_CPHA_1Edge ((uint16_t)0x0000)
204 #define SPI_CPHA_2Edge ((uint16_t)0x0001)
205 #define IS_SPI_CPHA(CPHA) (((CPHA) == SPI_CPHA_1Edge) || \
206  ((CPHA) == SPI_CPHA_2Edge))
207 
215 #define SPI_NSS_Soft ((uint16_t)0x0200)
216 #define SPI_NSS_Hard ((uint16_t)0x0000)
217 #define IS_SPI_NSS(NSS) (((NSS) == SPI_NSS_Soft) || \
218  ((NSS) == SPI_NSS_Hard))
219 
227 #define SPI_BaudRatePrescaler_2 ((uint16_t)0x0000)
228 #define SPI_BaudRatePrescaler_4 ((uint16_t)0x0008)
229 #define SPI_BaudRatePrescaler_8 ((uint16_t)0x0010)
230 #define SPI_BaudRatePrescaler_16 ((uint16_t)0x0018)
231 #define SPI_BaudRatePrescaler_32 ((uint16_t)0x0020)
232 #define SPI_BaudRatePrescaler_64 ((uint16_t)0x0028)
233 #define SPI_BaudRatePrescaler_128 ((uint16_t)0x0030)
234 #define SPI_BaudRatePrescaler_256 ((uint16_t)0x0038)
235 #define IS_SPI_BAUDRATE_PRESCALER(PRESCALER) (((PRESCALER) == SPI_BaudRatePrescaler_2) || \
236  ((PRESCALER) == SPI_BaudRatePrescaler_4) || \
237  ((PRESCALER) == SPI_BaudRatePrescaler_8) || \
238  ((PRESCALER) == SPI_BaudRatePrescaler_16) || \
239  ((PRESCALER) == SPI_BaudRatePrescaler_32) || \
240  ((PRESCALER) == SPI_BaudRatePrescaler_64) || \
241  ((PRESCALER) == SPI_BaudRatePrescaler_128) || \
242  ((PRESCALER) == SPI_BaudRatePrescaler_256))
243 
251 #define SPI_FirstBit_MSB ((uint16_t)0x0000)
252 #define SPI_FirstBit_LSB ((uint16_t)0x0080)
253 #define IS_SPI_FIRST_BIT(BIT) (((BIT) == SPI_FirstBit_MSB) || \
254  ((BIT) == SPI_FirstBit_LSB))
255 
263 #define I2S_Mode_SlaveTx ((uint16_t)0x0000)
264 #define I2S_Mode_SlaveRx ((uint16_t)0x0100)
265 #define I2S_Mode_MasterTx ((uint16_t)0x0200)
266 #define I2S_Mode_MasterRx ((uint16_t)0x0300)
267 #define IS_I2S_MODE(MODE) (((MODE) == I2S_Mode_SlaveTx) || \
268  ((MODE) == I2S_Mode_SlaveRx) || \
269  ((MODE) == I2S_Mode_MasterTx)|| \
270  ((MODE) == I2S_Mode_MasterRx))
271 
280 #define I2S_Standard_Phillips ((uint16_t)0x0000)
281 #define I2S_Standard_MSB ((uint16_t)0x0010)
282 #define I2S_Standard_LSB ((uint16_t)0x0020)
283 #define I2S_Standard_PCMShort ((uint16_t)0x0030)
284 #define I2S_Standard_PCMLong ((uint16_t)0x00B0)
285 #define IS_I2S_STANDARD(STANDARD) (((STANDARD) == I2S_Standard_Phillips) || \
286  ((STANDARD) == I2S_Standard_MSB) || \
287  ((STANDARD) == I2S_Standard_LSB) || \
288  ((STANDARD) == I2S_Standard_PCMShort) || \
289  ((STANDARD) == I2S_Standard_PCMLong))
290 
298 #define I2S_DataFormat_16b ((uint16_t)0x0000)
299 #define I2S_DataFormat_16bextended ((uint16_t)0x0001)
300 #define I2S_DataFormat_24b ((uint16_t)0x0003)
301 #define I2S_DataFormat_32b ((uint16_t)0x0005)
302 #define IS_I2S_DATA_FORMAT(FORMAT) (((FORMAT) == I2S_DataFormat_16b) || \
303  ((FORMAT) == I2S_DataFormat_16bextended) || \
304  ((FORMAT) == I2S_DataFormat_24b) || \
305  ((FORMAT) == I2S_DataFormat_32b))
306 
314 #define I2S_MCLKOutput_Enable ((uint16_t)0x0200)
315 #define I2S_MCLKOutput_Disable ((uint16_t)0x0000)
316 #define IS_I2S_MCLK_OUTPUT(OUTPUT) (((OUTPUT) == I2S_MCLKOutput_Enable) || \
317  ((OUTPUT) == I2S_MCLKOutput_Disable))
318 
326 #define I2S_AudioFreq_192k ((uint32_t)192000)
327 #define I2S_AudioFreq_96k ((uint32_t)96000)
328 #define I2S_AudioFreq_48k ((uint32_t)48000)
329 #define I2S_AudioFreq_44k ((uint32_t)44100)
330 #define I2S_AudioFreq_32k ((uint32_t)32000)
331 #define I2S_AudioFreq_22k ((uint32_t)22050)
332 #define I2S_AudioFreq_16k ((uint32_t)16000)
333 #define I2S_AudioFreq_11k ((uint32_t)11025)
334 #define I2S_AudioFreq_8k ((uint32_t)8000)
335 #define I2S_AudioFreq_Default ((uint32_t)2)
336 
337 #define IS_I2S_AUDIO_FREQ(FREQ) ((((FREQ) >= I2S_AudioFreq_8k) && \
338  ((FREQ) <= I2S_AudioFreq_192k)) || \
339  ((FREQ) == I2S_AudioFreq_Default))
340 
348 #define I2S_CPOL_Low ((uint16_t)0x0000)
349 #define I2S_CPOL_High ((uint16_t)0x0008)
350 #define IS_I2S_CPOL(CPOL) (((CPOL) == I2S_CPOL_Low) || \
351  ((CPOL) == I2S_CPOL_High))
352 
360 #define SPI_I2S_DMAReq_Tx ((uint16_t)0x0002)
361 #define SPI_I2S_DMAReq_Rx ((uint16_t)0x0001)
362 #define IS_SPI_I2S_DMAREQ(DMAREQ) ((((DMAREQ) & (uint16_t)0xFFFC) == 0x00) && ((DMAREQ) != 0x00))
363 
371 #define SPI_NSSInternalSoft_Set ((uint16_t)0x0100)
372 #define SPI_NSSInternalSoft_Reset ((uint16_t)0xFEFF)
373 #define IS_SPI_NSS_INTERNAL(INTERNAL) (((INTERNAL) == SPI_NSSInternalSoft_Set) || \
374  ((INTERNAL) == SPI_NSSInternalSoft_Reset))
375 
383 #define SPI_CRC_Tx ((uint8_t)0x00)
384 #define SPI_CRC_Rx ((uint8_t)0x01)
385 #define IS_SPI_CRC(CRC) (((CRC) == SPI_CRC_Tx) || ((CRC) == SPI_CRC_Rx))
386 
394 #define SPI_Direction_Rx ((uint16_t)0xBFFF)
395 #define SPI_Direction_Tx ((uint16_t)0x4000)
396 #define IS_SPI_DIRECTION(DIRECTION) (((DIRECTION) == SPI_Direction_Rx) || \
397  ((DIRECTION) == SPI_Direction_Tx))
398 
406 #define SPI_I2S_IT_TXE ((uint8_t)0x71)
407 #define SPI_I2S_IT_RXNE ((uint8_t)0x60)
408 #define SPI_I2S_IT_ERR ((uint8_t)0x50)
409 #define I2S_IT_UDR ((uint8_t)0x53)
410 #define SPI_I2S_IT_TIFRFE ((uint8_t)0x58)
411 
412 #define IS_SPI_I2S_CONFIG_IT(IT) (((IT) == SPI_I2S_IT_TXE) || \
413  ((IT) == SPI_I2S_IT_RXNE) || \
414  ((IT) == SPI_I2S_IT_ERR))
415 
416 #define SPI_I2S_IT_OVR ((uint8_t)0x56)
417 #define SPI_IT_MODF ((uint8_t)0x55)
418 #define SPI_IT_CRCERR ((uint8_t)0x54)
419 
420 #define IS_SPI_I2S_CLEAR_IT(IT) (((IT) == SPI_IT_CRCERR))
421 
422 #define IS_SPI_I2S_GET_IT(IT) (((IT) == SPI_I2S_IT_RXNE)|| ((IT) == SPI_I2S_IT_TXE) || \
423  ((IT) == SPI_IT_CRCERR) || ((IT) == SPI_IT_MODF) || \
424  ((IT) == SPI_I2S_IT_OVR) || ((IT) == I2S_IT_UDR) ||\
425  ((IT) == SPI_I2S_IT_TIFRFE))
426 
434 #define SPI_I2S_FLAG_RXNE ((uint16_t)0x0001)
435 #define SPI_I2S_FLAG_TXE ((uint16_t)0x0002)
436 #define I2S_FLAG_CHSIDE ((uint16_t)0x0004)
437 #define I2S_FLAG_UDR ((uint16_t)0x0008)
438 #define SPI_FLAG_CRCERR ((uint16_t)0x0010)
439 #define SPI_FLAG_MODF ((uint16_t)0x0020)
440 #define SPI_I2S_FLAG_OVR ((uint16_t)0x0040)
441 #define SPI_I2S_FLAG_BSY ((uint16_t)0x0080)
442 #define SPI_I2S_FLAG_TIFRFE ((uint16_t)0x0100)
443 
444 #define IS_SPI_I2S_CLEAR_FLAG(FLAG) (((FLAG) == SPI_FLAG_CRCERR))
445 #define IS_SPI_I2S_GET_FLAG(FLAG) (((FLAG) == SPI_I2S_FLAG_BSY) || ((FLAG) == SPI_I2S_FLAG_OVR) || \
446  ((FLAG) == SPI_FLAG_MODF) || ((FLAG) == SPI_FLAG_CRCERR) || \
447  ((FLAG) == I2S_FLAG_UDR) || ((FLAG) == I2S_FLAG_CHSIDE) || \
448  ((FLAG) == SPI_I2S_FLAG_TXE) || ((FLAG) == SPI_I2S_FLAG_RXNE)|| \
449  ((FLAG) == SPI_I2S_FLAG_TIFRFE))
450 
458 #define IS_SPI_CRC_POLYNOMIAL(POLYNOMIAL) ((POLYNOMIAL) >= 0x1)
459 
467 #define SPI_DMAReq_Tx SPI_I2S_DMAReq_Tx
468 #define SPI_DMAReq_Rx SPI_I2S_DMAReq_Rx
469 #define SPI_IT_TXE SPI_I2S_IT_TXE
470 #define SPI_IT_RXNE SPI_I2S_IT_RXNE
471 #define SPI_IT_ERR SPI_I2S_IT_ERR
472 #define SPI_IT_OVR SPI_I2S_IT_OVR
473 #define SPI_FLAG_RXNE SPI_I2S_FLAG_RXNE
474 #define SPI_FLAG_TXE SPI_I2S_FLAG_TXE
475 #define SPI_FLAG_OVR SPI_I2S_FLAG_OVR
476 #define SPI_FLAG_BSY SPI_I2S_FLAG_BSY
477 #define SPI_DeInit SPI_I2S_DeInit
478 #define SPI_ITConfig SPI_I2S_ITConfig
479 #define SPI_DMACmd SPI_I2S_DMACmd
480 #define SPI_SendData SPI_I2S_SendData
481 #define SPI_ReceiveData SPI_I2S_ReceiveData
482 #define SPI_GetFlagStatus SPI_I2S_GetFlagStatus
483 #define SPI_ClearFlag SPI_I2S_ClearFlag
484 #define SPI_GetITStatus SPI_I2S_GetITStatus
485 #define SPI_ClearITPendingBit SPI_I2S_ClearITPendingBit
486 
494 /* Exported macro ------------------------------------------------------------*/
495 /* Exported functions --------------------------------------------------------*/
496 
497 /* Function used to set the SPI configuration to the default reset state *****/
498 void SPI_I2S_DeInit(SPI_TypeDef* SPIx);
499 
500 /* Initialization and Configuration functions *********************************/
501 void SPI_Init(SPI_TypeDef* SPIx, SPI_InitTypeDef* SPI_InitStruct);
502 void I2S_Init(SPI_TypeDef* SPIx, I2S_InitTypeDef* I2S_InitStruct);
503 void SPI_StructInit(SPI_InitTypeDef* SPI_InitStruct);
504 void I2S_StructInit(I2S_InitTypeDef* I2S_InitStruct);
505 void SPI_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState);
506 void I2S_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState);
507 void SPI_DataSizeConfig(SPI_TypeDef* SPIx, uint16_t SPI_DataSize);
508 void SPI_BiDirectionalLineConfig(SPI_TypeDef* SPIx, uint16_t SPI_Direction);
509 void SPI_NSSInternalSoftwareConfig(SPI_TypeDef* SPIx, uint16_t SPI_NSSInternalSoft);
510 void SPI_SSOutputCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
511 void SPI_TIModeCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
512 
513 void I2S_FullDuplexConfig(SPI_TypeDef* I2Sxext, I2S_InitTypeDef* I2S_InitStruct);
514 
515 /* Data transfers functions ***************************************************/
516 void SPI_I2S_SendData(SPI_TypeDef* SPIx, uint16_t Data);
517 uint16_t SPI_I2S_ReceiveData(SPI_TypeDef* SPIx);
518 
519 /* Hardware CRC Calculation functions *****************************************/
520 void SPI_CalculateCRC(SPI_TypeDef* SPIx, FunctionalState NewState);
521 void SPI_TransmitCRC(SPI_TypeDef* SPIx);
522 uint16_t SPI_GetCRC(SPI_TypeDef* SPIx, uint8_t SPI_CRC);
523 uint16_t SPI_GetCRCPolynomial(SPI_TypeDef* SPIx);
524 
525 /* DMA transfers management functions *****************************************/
526 void SPI_I2S_DMACmd(SPI_TypeDef* SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState);
527 
528 /* Interrupts and flags management functions **********************************/
529 void SPI_I2S_ITConfig(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState);
530 FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
531 void SPI_I2S_ClearFlag(SPI_TypeDef* SPIx, uint16_t SPI_I2S_FLAG);
532 ITStatus SPI_I2S_GetITStatus(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT);
533 void SPI_I2S_ClearITPendingBit(SPI_TypeDef* SPIx, uint8_t SPI_I2S_IT);
534 
535 #ifdef __cplusplus
536 }
537 #endif
538 
539 #endif /*__STM32F4xx_SPI_H */
540 
549 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
FlagStatus
Definition: stm32f4xx.h:706
uint16_t SPI_DataSize
Definition: stm32f4xx_spi.h:62
void I2S_Init(SPI_TypeDef *SPIx, I2S_InitTypeDef *I2S_InitStruct)
Initializes the SPIx peripheral according to the specified parameters in the I2S_InitStruct.
uint16_t SPI_Mode
Definition: stm32f4xx_spi.h:59
FunctionalState
Definition: stm32f4xx.h:708
uint16_t SPI_I2S_ReceiveData(SPI_TypeDef *SPIx)
Returns the most recent received data by the SPIx/I2Sx peripheral.
void I2S_StructInit(I2S_InitTypeDef *I2S_InitStruct)
Fills each I2S_InitStruct member with its default value.
uint16_t SPI_BaudRatePrescaler
Definition: stm32f4xx_spi.h:75
uint16_t SPI_CPOL
Definition: stm32f4xx_spi.h:65
uint16_t I2S_Standard
Definition: stm32f4xx_spi.h:97
uint16_t SPI_Direction
Definition: stm32f4xx_spi.h:56
uint16_t SPI_CRCPolynomial
Definition: stm32f4xx_spi.h:84
void SPI_I2S_DeInit(SPI_TypeDef *SPIx)
Deinitializes the SPIx peripheral registers to their default reset values.
void SPI_I2S_ITConfig(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT, FunctionalState NewState)
Enables or disables the specified SPI/I2S interrupts.
void SPI_TransmitCRC(SPI_TypeDef *SPIx)
Transmits the SPIx CRC value.
CMSIS Cortex-M4 Device Peripheral Access Layer Header File. This file contains all the peripheral reg...
ITStatus SPI_I2S_GetITStatus(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT)
Checks whether the specified SPI/I2S interrupt has occurred or not.
void I2S_FullDuplexConfig(SPI_TypeDef *I2Sxext, I2S_InitTypeDef *I2S_InitStruct)
Configures the full duplex mode for the I2Sx peripheral using its extension I2Sxext according to the ...
FlagStatus SPI_I2S_GetFlagStatus(SPI_TypeDef *SPIx, uint16_t SPI_I2S_FLAG)
Checks whether the specified SPI flag is set or not.
uint16_t I2S_Mode
Definition: stm32f4xx_spi.h:94
Serial Peripheral Interface.
Definition: stm32f4xx.h:1580
void SPI_I2S_ClearITPendingBit(SPI_TypeDef *SPIx, uint8_t SPI_I2S_IT)
Clears the SPIx CRC Error (CRCERR) interrupt pending bit.
void SPI_I2S_ClearFlag(SPI_TypeDef *SPIx, uint16_t SPI_I2S_FLAG)
Clears the SPIx CRC Error (CRCERR) flag.
void SPI_CalculateCRC(SPI_TypeDef *SPIx, FunctionalState NewState)
Enables or disables the CRC value calculation of the transferred bytes.
uint16_t SPI_GetCRC(SPI_TypeDef *SPIx, uint8_t SPI_CRC)
Returns the transmit or the receive CRC register value for the specified SPI.
enum FlagStatus ITStatus
void SPI_DataSizeConfig(SPI_TypeDef *SPIx, uint16_t SPI_DataSize)
Configures the data size for the selected SPI.
void SPI_SSOutputCmd(SPI_TypeDef *SPIx, FunctionalState NewState)
Enables or disables the SS output for the selected SPI.
uint32_t I2S_AudioFreq
void SPI_I2S_DMACmd(SPI_TypeDef *SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState)
Enables or disables the SPIx/I2Sx DMA interface.
uint16_t I2S_MCLKOutput
SPI Init structure definition.
Definition: stm32f4xx_spi.h:54
uint16_t SPI_NSS
Definition: stm32f4xx_spi.h:71
void SPI_Cmd(SPI_TypeDef *SPIx, FunctionalState NewState)
Enables or disables the specified SPI peripheral.
void SPI_Init(SPI_TypeDef *SPIx, SPI_InitTypeDef *SPI_InitStruct)
Initializes the SPIx peripheral according to the specified parameters in the SPI_InitStruct.
void SPI_StructInit(SPI_InitTypeDef *SPI_InitStruct)
Fills each SPI_InitStruct member with its default value.
void I2S_Cmd(SPI_TypeDef *SPIx, FunctionalState NewState)
Enables or disables the specified SPI peripheral (in I2S mode).
uint16_t SPI_GetCRCPolynomial(SPI_TypeDef *SPIx)
Returns the CRC Polynomial register value for the specified SPI.
void SPI_NSSInternalSoftwareConfig(SPI_TypeDef *SPIx, uint16_t SPI_NSSInternalSoft)
Configures internally by software the NSS pin for the selected SPI.
uint16_t SPI_FirstBit
Definition: stm32f4xx_spi.h:81
I2S Init structure definition.
Definition: stm32f4xx_spi.h:91
uint16_t SPI_CPHA
Definition: stm32f4xx_spi.h:68
uint16_t I2S_DataFormat
void SPI_I2S_SendData(SPI_TypeDef *SPIx, uint16_t Data)
Transmits a Data through the SPIx/I2Sx peripheral.
void SPI_BiDirectionalLineConfig(SPI_TypeDef *SPIx, uint16_t SPI_Direction)
Selects the data transfer direction in bidirectional mode for the specified SPI.
void SPI_TIModeCmd(SPI_TypeDef *SPIx, FunctionalState NewState)
Enables or disables the TI Mode.


rosflight_firmware
Author(s): Daniel Koch , James Jackson
autogenerated on Thu Oct 24 2019 03:17:19