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203 lines
9.2 KiB
C
203 lines
9.2 KiB
C
/******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
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* File Name : stm32f10x_spi.h
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* Author : MCD Application Team
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* Date First Issued : 09/29/2006
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* Description : This file contains all the functions prototypes for the
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* SPI firmware library.
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********************************************************************************
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* History:
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* 04/02/2007: V0.2
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* 02/05/2007: V0.1
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* 09/29/2006: V0.01
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********************************************************************************
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* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
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* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
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* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
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* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
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* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F10x_SPI_H
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#define __STM32F10x_SPI_H
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f10x_map.h"
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/* Exported types ------------------------------------------------------------*/
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/* SPI Init structure definition */
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typedef struct
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{
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u16 SPI_Direction;
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u16 SPI_Mode;
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u16 SPI_DataSize;
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u16 SPI_CPOL;
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u16 SPI_CPHA;
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u16 SPI_NSS;
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u16 SPI_BaudRatePrescaler;
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u16 SPI_FirstBit;
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u16 SPI_CRCPolynomial;
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}SPI_InitTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/* SPI data direction mode */
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#define SPI_Direction_2Lines_FullDuplex ((u16)0x0000)
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#define SPI_Direction_2Lines_RxOnly ((u16)0x0400)
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#define SPI_Direction_1Line_Rx ((u16)0x8000)
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#define SPI_Direction_1Line_Tx ((u16)0xC000)
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#define IS_SPI_DIRECTION_MODE(MODE) ((MODE == SPI_Direction_2Lines_FullDuplex) || \
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(MODE == SPI_Direction_2Lines_RxOnly) || \
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(MODE == SPI_Direction_1Line_Rx) || \
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(MODE == SPI_Direction_1Line_Tx))
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/* SPI master/slave mode */
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#define SPI_Mode_Master ((u16)0x0104)
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#define SPI_Mode_Slave ((u16)0x0000)
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#define IS_SPI_MODE(MODE) ((MODE == SPI_Mode_Master) || \
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(MODE == SPI_Mode_Slave))
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/* SPI data size */
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#define SPI_DataSize_16b ((u16)0x0800)
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#define SPI_DataSize_8b ((u16)0x0000)
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#define IS_SPI_DATASIZE(DATASIZE) ((DATASIZE == SPI_DataSize_16b) || \
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(DATASIZE == SPI_DataSize_8b))
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/* SPI Clock Polarity */
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#define SPI_CPOL_Low ((u16)0x0000)
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#define SPI_CPOL_High ((u16)0x0002)
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#define IS_SPI_CPOL(CPOL) ((CPOL == SPI_CPOL_Low) || \
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(CPOL == SPI_CPOL_High))
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/* SPI Clock Phase */
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#define SPI_CPHA_1Edge ((u16)0x0000)
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#define SPI_CPHA_2Edge ((u16)0x0001)
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#define IS_SPI_CPHA(CPHA) ((CPHA == SPI_CPHA_1Edge) || \
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(CPHA == SPI_CPHA_2Edge))
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/* SPI Slave Select management */
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#define SPI_NSS_Soft ((u16)0x0200)
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#define SPI_NSS_Hard ((u16)0x0000)
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#define IS_SPI_NSS(NSS) ((NSS == SPI_NSS_Soft) || \
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(NSS == SPI_NSS_Hard))
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/* SPI BaudRate Prescaler */
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#define SPI_BaudRatePrescaler_2 ((u16)0x0000)
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#define SPI_BaudRatePrescaler_4 ((u16)0x0008)
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#define SPI_BaudRatePrescaler_8 ((u16)0x0010)
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#define SPI_BaudRatePrescaler_16 ((u16)0x0018)
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#define SPI_BaudRatePrescaler_32 ((u16)0x0020)
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#define SPI_BaudRatePrescaler_64 ((u16)0x0028)
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#define SPI_BaudRatePrescaler_128 ((u16)0x0030)
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#define SPI_BaudRatePrescaler_256 ((u16)0x0038)
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#define IS_SPI_BAUDRATE_PRESCALER(PRESCALER) ((PRESCALER == SPI_BaudRatePrescaler_2) || \
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(PRESCALER == SPI_BaudRatePrescaler_4) || \
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(PRESCALER == SPI_BaudRatePrescaler_8) || \
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(PRESCALER == SPI_BaudRatePrescaler_16) || \
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(PRESCALER == SPI_BaudRatePrescaler_32) || \
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(PRESCALER == SPI_BaudRatePrescaler_64) || \
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(PRESCALER == SPI_BaudRatePrescaler_128) || \
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(PRESCALER == SPI_BaudRatePrescaler_256))
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/* SPI MSB/LSB transmission */
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#define SPI_FirstBit_MSB ((u16)0x0000)
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#define SPI_FirstBit_LSB ((u16)0x0080)
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#define IS_SPI_FIRST_BIT(BIT) ((BIT == SPI_FirstBit_MSB) || \
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(BIT == SPI_FirstBit_LSB))
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/* SPI DMA transfer requests */
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#define SPI_DMAReq_Tx ((u16)0x0002)
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#define SPI_DMAReq_Rx ((u16)0x0001)
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#define IS_SPI_DMA_REQ(REQ) (((REQ & (u16)0xFFFC) == 0x00) && (REQ != 0x00))
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/* SPI NSS internal software mangement */
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#define SPI_NSSInternalSoft_Set ((u16)0x0100)
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#define SPI_NSSInternalSoft_Reset ((u16)0xFEFF)
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#define IS_SPI_NSS_INTERNAL(INTERNAL) ((INTERNAL == SPI_NSSInternalSoft_Set) || \
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(INTERNAL == SPI_NSSInternalSoft_Reset))
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/* SPI CRC Transmit/Receive */
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#define SPI_CRC_Tx ((u8)0x00)
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#define SPI_CRC_Rx ((u8)0x01)
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#define IS_SPI_CRC(CRC) ((CRC == SPI_CRC_Tx) || (CRC == SPI_CRC_Rx))
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/* SPI direction transmit/receive */
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#define SPI_Direction_Rx ((u16)0xBFFF)
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#define SPI_Direction_Tx ((u16)0x4000)
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#define IS_SPI_DIRECTION(DIRECTION) ((DIRECTION == SPI_Direction_Rx) || \
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(DIRECTION == SPI_Direction_Tx))
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/* SPI interrupts definition */
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#define SPI_IT_TXE ((u8)0x71)
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#define SPI_IT_RXNE ((u8)0x60)
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#define SPI_IT_ERR ((u8)0x50)
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#define IS_SPI_CONFIG_IT(IT) ((IT == SPI_IT_TXE) || (IT == SPI_IT_RXNE) || \
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(IT == SPI_IT_ERR))
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#define SPI_IT_OVR ((u8)0x56)
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#define SPI_IT_MODF ((u8)0x55)
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#define SPI_IT_CRCERR ((u8)0x54)
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#define IS_SPI_CLEAR_IT(IT) ((IT == SPI_IT_OVR) || (IT == SPI_IT_MODF) || \
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(IT == SPI_IT_CRCERR))
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#define IS_SPI_GET_IT(IT) ((IT == SPI_IT_TXE) || (IT == SPI_IT_RXNE) || \
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(IT == SPI_IT_OVR) || (IT == SPI_IT_MODF) || \
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(IT == SPI_IT_CRCERR))
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/* SPI flags definition */
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#define SPI_FLAG_RXNE ((u16)0x0001)
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#define SPI_FLAG_TXE ((u16)0x0002)
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#define SPI_FLAG_CRCERR ((u16)0x0010)
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#define SPI_FLAG_MODF ((u16)0x0020)
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#define SPI_FLAG_OVR ((u16)0x0040)
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#define SPI_FLAG_BSY ((u16)0x0080)
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#define IS_SPI_CLEAR_FLAG(FLAG) (((FLAG & (u16)0xFF8F) == 0x00) && (FLAG != 0x00))
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#define IS_SPI_GET_FLAG(FLAG) ((FLAG == SPI_FLAG_BSY) || (FLAG == SPI_FLAG_OVR) || \
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(FLAG == SPI_FLAG_MODF) || (FLAG == SPI_FLAG_CRCERR) || \
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(FLAG == SPI_FLAG_TXE) || (FLAG == SPI_FLAG_RXNE))
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/* SPI CRC polynomial --------------------------------------------------------*/
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#define IS_SPI_CRC_POLYNOMIAL(POLYNOMIAL) (POLYNOMIAL >= 0x1)
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions ------------------------------------------------------- */
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void SPI_DeInit(SPI_TypeDef* SPIx);
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void SPI_Init(SPI_TypeDef* SPIx, SPI_InitTypeDef* SPI_InitStruct);
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void SPI_StructInit(SPI_InitTypeDef* SPI_InitStruct);
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void SPI_Cmd(SPI_TypeDef* SPIx, FunctionalState NewState);
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void SPI_ITConfig(SPI_TypeDef* SPIx, u8 SPI_IT, FunctionalState NewState);
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void SPI_DMACmd(SPI_TypeDef* SPIx, u16 SPI_DMAReq, FunctionalState NewState);
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void SPI_SendData(SPI_TypeDef* SPIx, u16 Data);
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u16 SPI_ReceiveData(SPI_TypeDef* SPIx);
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void SPI_NSSInternalSoftwareConfig(SPI_TypeDef* SPIx, u16 SPI_NSSInternalSoft);
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void SPI_SSOutputCmd(SPI_TypeDef* SPIx, FunctionalState NewState);
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void SPI_DataSizeConfig(SPI_TypeDef* SPIx, u16 SPI_DataSize);
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void SPI_TransmitCRC(SPI_TypeDef* SPIx);
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void SPI_CalculateCRC(SPI_TypeDef* SPIx, FunctionalState NewState);
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u16 SPI_GetCRC(SPI_TypeDef* SPIx, u8 SPI_CRC);
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u16 SPI_GetCRCPolynomial(SPI_TypeDef* SPIx);
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void SPI_BiDirectionalLineConfig(SPI_TypeDef* SPIx, u16 SPI_Direction);
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FlagStatus SPI_GetFlagStatus(SPI_TypeDef* SPIx, u16 SPI_FLAG);
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void SPI_ClearFlag(SPI_TypeDef* SPIx, u16 SPI_FLAG);
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ITStatus SPI_GetITStatus(SPI_TypeDef* SPIx, u8 SPI_IT);
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void SPI_ClearITPendingBit(SPI_TypeDef* SPIx, u8 SPI_IT);
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#endif /*__STM32F10x_SPI_H */
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/******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/
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