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