2 ******************************************************************************
3 * @file stm32f10x_spi.h
4 * @author MCD Application Team
7 * @brief This file contains all the functions prototypes for the SPI firmware
9 ******************************************************************************
12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
19 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
20 ******************************************************************************
23 /* Define to prevent recursive inclusion -------------------------------------*/
24 #ifndef __STM32F10x_SPI_H
25 #define __STM32F10x_SPI_H
31 /* Includes ------------------------------------------------------------------*/
32 #include "stm32f10x.h"
34 /** @addtogroup STM32F10x_StdPeriph_Driver
42 /** @defgroup SPI_Exported_Types
47 * @brief SPI Init structure definition
52 uint16_t SPI_Direction
; /*!< Specifies the SPI unidirectional or bidirectional data mode.
53 This parameter can be a value of @ref SPI_data_direction */
55 uint16_t SPI_Mode
; /*!< Specifies the SPI operating mode.
56 This parameter can be a value of @ref SPI_mode */
58 uint16_t SPI_DataSize
; /*!< Specifies the SPI data size.
59 This parameter can be a value of @ref SPI_data_size */
61 uint16_t SPI_CPOL
; /*!< Specifies the serial clock steady state.
62 This parameter can be a value of @ref SPI_Clock_Polarity */
64 uint16_t SPI_CPHA
; /*!< Specifies the clock active edge for the bit capture.
65 This parameter can be a value of @ref SPI_Clock_Phase */
67 uint16_t SPI_NSS
; /*!< Specifies whether the NSS signal is managed by
68 hardware (NSS pin) or by software using the SSI bit.
69 This parameter can be a value of @ref SPI_Slave_Select_management */
71 uint16_t SPI_BaudRatePrescaler
; /*!< Specifies the Baud Rate prescaler value which will be
72 used to configure the transmit and receive SCK clock.
73 This parameter can be a value of @ref SPI_BaudRate_Prescaler.
74 @note The communication clock is derived from the master
75 clock. The slave clock does not need to be set. */
77 uint16_t SPI_FirstBit
; /*!< Specifies whether data transfers start from MSB or LSB bit.
78 This parameter can be a value of @ref SPI_MSB_LSB_transmission */
80 uint16_t SPI_CRCPolynomial
; /*!< Specifies the polynomial used for the CRC calculation. */
84 * @brief I2S Init structure definition
90 uint16_t I2S_Mode
; /*!< Specifies the I2S operating mode.
91 This parameter can be a value of @ref I2S_Mode */
93 uint16_t I2S_Standard
; /*!< Specifies the standard used for the I2S communication.
94 This parameter can be a value of @ref I2S_Standard */
96 uint16_t I2S_DataFormat
; /*!< Specifies the data format for the I2S communication.
97 This parameter can be a value of @ref I2S_Data_Format */
99 uint16_t I2S_MCLKOutput
; /*!< Specifies whether the I2S MCLK output is enabled or not.
100 This parameter can be a value of @ref I2S_MCLK_Output */
102 uint32_t I2S_AudioFreq
; /*!< Specifies the frequency selected for the I2S communication.
103 This parameter can be a value of @ref I2S_Audio_Frequency */
105 uint16_t I2S_CPOL
; /*!< Specifies the idle state of the I2S clock.
106 This parameter can be a value of @ref I2S_Clock_Polarity */
113 /** @defgroup SPI_Exported_Constants
117 #define IS_SPI_ALL_PERIPH(PERIPH) (((PERIPH) == SPI1) || \
118 ((PERIPH) == SPI2) || \
121 #define IS_SPI_23_PERIPH(PERIPH) (((PERIPH) == SPI2) || \
124 /** @defgroup SPI_data_direction
128 #define SPI_Direction_2Lines_FullDuplex ((uint16_t)0x0000)
129 #define SPI_Direction_2Lines_RxOnly ((uint16_t)0x0400)
130 #define SPI_Direction_1Line_Rx ((uint16_t)0x8000)
131 #define SPI_Direction_1Line_Tx ((uint16_t)0xC000)
132 #define IS_SPI_DIRECTION_MODE(MODE) (((MODE) == SPI_Direction_2Lines_FullDuplex) || \
133 ((MODE) == SPI_Direction_2Lines_RxOnly) || \
134 ((MODE) == SPI_Direction_1Line_Rx) || \
135 ((MODE) == SPI_Direction_1Line_Tx))
140 /** @defgroup SPI_mode
144 #define SPI_Mode_Master ((uint16_t)0x0104)
145 #define SPI_Mode_Slave ((uint16_t)0x0000)
146 #define IS_SPI_MODE(MODE) (((MODE) == SPI_Mode_Master) || \
147 ((MODE) == SPI_Mode_Slave))
152 /** @defgroup SPI_data_size
156 #define SPI_DataSize_16b ((uint16_t)0x0800)
157 #define SPI_DataSize_8b ((uint16_t)0x0000)
158 #define IS_SPI_DATASIZE(DATASIZE) (((DATASIZE) == SPI_DataSize_16b) || \
159 ((DATASIZE) == SPI_DataSize_8b))
164 /** @defgroup SPI_Clock_Polarity
168 #define SPI_CPOL_Low ((uint16_t)0x0000)
169 #define SPI_CPOL_High ((uint16_t)0x0002)
170 #define IS_SPI_CPOL(CPOL) (((CPOL) == SPI_CPOL_Low) || \
171 ((CPOL) == SPI_CPOL_High))
176 /** @defgroup SPI_Clock_Phase
180 #define SPI_CPHA_1Edge ((uint16_t)0x0000)
181 #define SPI_CPHA_2Edge ((uint16_t)0x0001)
182 #define IS_SPI_CPHA(CPHA) (((CPHA) == SPI_CPHA_1Edge) || \
183 ((CPHA) == SPI_CPHA_2Edge))
188 /** @defgroup SPI_Slave_Select_management
192 #define SPI_NSS_Soft ((uint16_t)0x0200)
193 #define SPI_NSS_Hard ((uint16_t)0x0000)
194 #define IS_SPI_NSS(NSS) (((NSS) == SPI_NSS_Soft) || \
195 ((NSS) == SPI_NSS_Hard))
200 /** @defgroup SPI_BaudRate_Prescaler
204 #define SPI_BaudRatePrescaler_2 ((uint16_t)0x0000)
205 #define SPI_BaudRatePrescaler_4 ((uint16_t)0x0008)
206 #define SPI_BaudRatePrescaler_8 ((uint16_t)0x0010)
207 #define SPI_BaudRatePrescaler_16 ((uint16_t)0x0018)
208 #define SPI_BaudRatePrescaler_32 ((uint16_t)0x0020)
209 #define SPI_BaudRatePrescaler_64 ((uint16_t)0x0028)
210 #define SPI_BaudRatePrescaler_128 ((uint16_t)0x0030)
211 #define SPI_BaudRatePrescaler_256 ((uint16_t)0x0038)
212 #define IS_SPI_BAUDRATE_PRESCALER(PRESCALER) (((PRESCALER) == SPI_BaudRatePrescaler_2) || \
213 ((PRESCALER) == SPI_BaudRatePrescaler_4) || \
214 ((PRESCALER) == SPI_BaudRatePrescaler_8) || \
215 ((PRESCALER) == SPI_BaudRatePrescaler_16) || \
216 ((PRESCALER) == SPI_BaudRatePrescaler_32) || \
217 ((PRESCALER) == SPI_BaudRatePrescaler_64) || \
218 ((PRESCALER) == SPI_BaudRatePrescaler_128) || \
219 ((PRESCALER) == SPI_BaudRatePrescaler_256))
224 /** @defgroup SPI_MSB_LSB_transmission
228 #define SPI_FirstBit_MSB ((uint16_t)0x0000)
229 #define SPI_FirstBit_LSB ((uint16_t)0x0080)
230 #define IS_SPI_FIRST_BIT(BIT) (((BIT) == SPI_FirstBit_MSB) || \
231 ((BIT) == SPI_FirstBit_LSB))
236 /** @defgroup I2S_Mode
240 #define I2S_Mode_SlaveTx ((uint16_t)0x0000)
241 #define I2S_Mode_SlaveRx ((uint16_t)0x0100)
242 #define I2S_Mode_MasterTx ((uint16_t)0x0200)
243 #define I2S_Mode_MasterRx ((uint16_t)0x0300)
244 #define IS_I2S_MODE(MODE) (((MODE) == I2S_Mode_SlaveTx) || \
245 ((MODE) == I2S_Mode_SlaveRx) || \
246 ((MODE) == I2S_Mode_MasterTx) || \
247 ((MODE) == I2S_Mode_MasterRx) )
252 /** @defgroup I2S_Standard
256 #define I2S_Standard_Phillips ((uint16_t)0x0000)
257 #define I2S_Standard_MSB ((uint16_t)0x0010)
258 #define I2S_Standard_LSB ((uint16_t)0x0020)
259 #define I2S_Standard_PCMShort ((uint16_t)0x0030)
260 #define I2S_Standard_PCMLong ((uint16_t)0x00B0)
261 #define IS_I2S_STANDARD(STANDARD) (((STANDARD) == I2S_Standard_Phillips) || \
262 ((STANDARD) == I2S_Standard_MSB) || \
263 ((STANDARD) == I2S_Standard_LSB) || \
264 ((STANDARD) == I2S_Standard_PCMShort) || \
265 ((STANDARD) == I2S_Standard_PCMLong))
270 /** @defgroup I2S_Data_Format
274 #define I2S_DataFormat_16b ((uint16_t)0x0000)
275 #define I2S_DataFormat_16bextended ((uint16_t)0x0001)
276 #define I2S_DataFormat_24b ((uint16_t)0x0003)
277 #define I2S_DataFormat_32b ((uint16_t)0x0005)
278 #define IS_I2S_DATA_FORMAT(FORMAT) (((FORMAT) == I2S_DataFormat_16b) || \
279 ((FORMAT) == I2S_DataFormat_16bextended) || \
280 ((FORMAT) == I2S_DataFormat_24b) || \
281 ((FORMAT) == I2S_DataFormat_32b))
286 /** @defgroup I2S_MCLK_Output
290 #define I2S_MCLKOutput_Enable ((uint16_t)0x0200)
291 #define I2S_MCLKOutput_Disable ((uint16_t)0x0000)
292 #define IS_I2S_MCLK_OUTPUT(OUTPUT) (((OUTPUT) == I2S_MCLKOutput_Enable) || \
293 ((OUTPUT) == I2S_MCLKOutput_Disable))
298 /** @defgroup I2S_Audio_Frequency
302 #define I2S_AudioFreq_192k ((uint32_t)192000)
303 #define I2S_AudioFreq_96k ((uint32_t)96000)
304 #define I2S_AudioFreq_48k ((uint32_t)48000)
305 #define I2S_AudioFreq_44k ((uint32_t)44100)
306 #define I2S_AudioFreq_32k ((uint32_t)32000)
307 #define I2S_AudioFreq_22k ((uint32_t)22050)
308 #define I2S_AudioFreq_16k ((uint32_t)16000)
309 #define I2S_AudioFreq_11k ((uint32_t)11025)
310 #define I2S_AudioFreq_8k ((uint32_t)8000)
311 #define I2S_AudioFreq_Default ((uint32_t)2)
313 #define IS_I2S_AUDIO_FREQ(FREQ) ((((FREQ) >= I2S_AudioFreq_8k) && \
314 ((FREQ) <= I2S_AudioFreq_192k)) || \
315 ((FREQ) == I2S_AudioFreq_Default))
320 /** @defgroup I2S_Clock_Polarity
324 #define I2S_CPOL_Low ((uint16_t)0x0000)
325 #define I2S_CPOL_High ((uint16_t)0x0008)
326 #define IS_I2S_CPOL(CPOL) (((CPOL) == I2S_CPOL_Low) || \
327 ((CPOL) == I2S_CPOL_High))
332 /** @defgroup SPI_I2S_DMA_transfer_requests
336 #define SPI_I2S_DMAReq_Tx ((uint16_t)0x0002)
337 #define SPI_I2S_DMAReq_Rx ((uint16_t)0x0001)
338 #define IS_SPI_I2S_DMAREQ(DMAREQ) ((((DMAREQ) & (uint16_t)0xFFFC) == 0x00) && ((DMAREQ) != 0x00))
343 /** @defgroup SPI_NSS_internal_software_management
347 #define SPI_NSSInternalSoft_Set ((uint16_t)0x0100)
348 #define SPI_NSSInternalSoft_Reset ((uint16_t)0xFEFF)
349 #define IS_SPI_NSS_INTERNAL(INTERNAL) (((INTERNAL) == SPI_NSSInternalSoft_Set) || \
350 ((INTERNAL) == SPI_NSSInternalSoft_Reset))
355 /** @defgroup SPI_CRC_Transmit_Receive
359 #define SPI_CRC_Tx ((uint8_t)0x00)
360 #define SPI_CRC_Rx ((uint8_t)0x01)
361 #define IS_SPI_CRC(CRC) (((CRC) == SPI_CRC_Tx) || ((CRC) == SPI_CRC_Rx))
366 /** @defgroup SPI_direction_transmit_receive
370 #define SPI_Direction_Rx ((uint16_t)0xBFFF)
371 #define SPI_Direction_Tx ((uint16_t)0x4000)
372 #define IS_SPI_DIRECTION(DIRECTION) (((DIRECTION) == SPI_Direction_Rx) || \
373 ((DIRECTION) == SPI_Direction_Tx))
378 /** @defgroup SPI_I2S_interrupts_definition
382 #define SPI_I2S_IT_TXE ((uint8_t)0x71)
383 #define SPI_I2S_IT_RXNE ((uint8_t)0x60)
384 #define SPI_I2S_IT_ERR ((uint8_t)0x50)
385 #define IS_SPI_I2S_CONFIG_IT(IT) (((IT) == SPI_I2S_IT_TXE) || \
386 ((IT) == SPI_I2S_IT_RXNE) || \
387 ((IT) == SPI_I2S_IT_ERR))
388 #define SPI_I2S_IT_OVR ((uint8_t)0x56)
389 #define SPI_IT_MODF ((uint8_t)0x55)
390 #define SPI_IT_CRCERR ((uint8_t)0x54)
391 #define I2S_IT_UDR ((uint8_t)0x53)
392 #define IS_SPI_I2S_CLEAR_IT(IT) (((IT) == SPI_IT_CRCERR))
393 #define IS_SPI_I2S_GET_IT(IT) (((IT) == SPI_I2S_IT_RXNE) || ((IT) == SPI_I2S_IT_TXE) || \
394 ((IT) == I2S_IT_UDR) || ((IT) == SPI_IT_CRCERR) || \
395 ((IT) == SPI_IT_MODF) || ((IT) == SPI_I2S_IT_OVR))
400 /** @defgroup SPI_I2S_flags_definition
404 #define SPI_I2S_FLAG_RXNE ((uint16_t)0x0001)
405 #define SPI_I2S_FLAG_TXE ((uint16_t)0x0002)
406 #define I2S_FLAG_CHSIDE ((uint16_t)0x0004)
407 #define I2S_FLAG_UDR ((uint16_t)0x0008)
408 #define SPI_FLAG_CRCERR ((uint16_t)0x0010)
409 #define SPI_FLAG_MODF ((uint16_t)0x0020)
410 #define SPI_I2S_FLAG_OVR ((uint16_t)0x0040)
411 #define SPI_I2S_FLAG_BSY ((uint16_t)0x0080)
412 #define IS_SPI_I2S_CLEAR_FLAG(FLAG) (((FLAG) == SPI_FLAG_CRCERR))
413 #define IS_SPI_I2S_GET_FLAG(FLAG) (((FLAG) == SPI_I2S_FLAG_BSY) || ((FLAG) == SPI_I2S_FLAG_OVR) || \
414 ((FLAG) == SPI_FLAG_MODF) || ((FLAG) == SPI_FLAG_CRCERR) || \
415 ((FLAG) == I2S_FLAG_UDR) || ((FLAG) == I2S_FLAG_CHSIDE) || \
416 ((FLAG) == SPI_I2S_FLAG_TXE) || ((FLAG) == SPI_I2S_FLAG_RXNE))
421 /** @defgroup SPI_CRC_polynomial
425 #define IS_SPI_CRC_POLYNOMIAL(POLYNOMIAL) ((POLYNOMIAL) >= 0x1)
434 /** @defgroup SPI_Exported_Macros
442 /** @defgroup SPI_Exported_Functions
446 void SPI_I2S_DeInit(SPI_TypeDef
* SPIx
);
447 void SPI_Init(SPI_TypeDef
* SPIx
, SPI_InitTypeDef
* SPI_InitStruct
);
448 void I2S_Init(SPI_TypeDef
* SPIx
, I2S_InitTypeDef
* I2S_InitStruct
);
449 void SPI_StructInit(SPI_InitTypeDef
* SPI_InitStruct
);
450 void I2S_StructInit(I2S_InitTypeDef
* I2S_InitStruct
);
451 void SPI_Cmd(SPI_TypeDef
* SPIx
, FunctionalState NewState
);
452 void I2S_Cmd(SPI_TypeDef
* SPIx
, FunctionalState NewState
);
453 void SPI_I2S_ITConfig(SPI_TypeDef
* SPIx
, uint8_t SPI_I2S_IT
, FunctionalState NewState
);
454 void SPI_I2S_DMACmd(SPI_TypeDef
* SPIx
, uint16_t SPI_I2S_DMAReq
, FunctionalState NewState
);
455 void SPI_I2S_SendData(SPI_TypeDef
* SPIx
, uint16_t Data
);
456 uint16_t SPI_I2S_ReceiveData(SPI_TypeDef
* SPIx
);
457 void SPI_NSSInternalSoftwareConfig(SPI_TypeDef
* SPIx
, uint16_t SPI_NSSInternalSoft
);
458 void SPI_SSOutputCmd(SPI_TypeDef
* SPIx
, FunctionalState NewState
);
459 void SPI_DataSizeConfig(SPI_TypeDef
* SPIx
, uint16_t SPI_DataSize
);
460 void SPI_TransmitCRC(SPI_TypeDef
* SPIx
);
461 void SPI_CalculateCRC(SPI_TypeDef
* SPIx
, FunctionalState NewState
);
462 uint16_t SPI_GetCRC(SPI_TypeDef
* SPIx
, uint8_t SPI_CRC
);
463 uint16_t SPI_GetCRCPolynomial(SPI_TypeDef
* SPIx
);
464 void SPI_BiDirectionalLineConfig(SPI_TypeDef
* SPIx
, uint16_t SPI_Direction
);
465 FlagStatus
SPI_I2S_GetFlagStatus(SPI_TypeDef
* SPIx
, uint16_t SPI_I2S_FLAG
);
466 void SPI_I2S_ClearFlag(SPI_TypeDef
* SPIx
, uint16_t SPI_I2S_FLAG
);
467 ITStatus
SPI_I2S_GetITStatus(SPI_TypeDef
* SPIx
, uint8_t SPI_I2S_IT
);
468 void SPI_I2S_ClearITPendingBit(SPI_TypeDef
* SPIx
, uint8_t SPI_I2S_IT
);
474 #endif /*__STM32F10x_SPI_H */
487 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/