84 lines
3.6 KiB
C
84 lines
3.6 KiB
C
|
#ifndef __SWM320_SPI_H__
|
|||
|
|
#define __SWM320_SPI_H__
|
|||
|
|
|
|||
|
|
typedef struct {
|
|||
|
|
uint8_t FrameFormat; //帧格式：SPI_FORMAT_SPI、SPI_FORMAT_TI_SSI
|
|||
|
|
uint8_t SampleEdge; //在SPI帧格式下，选择数据采样边沿：SPI_FIRST_EDGE、SPI_SECOND_EDGE
|
|||
|
|
uint8_t IdleLevel; //在SPI帧格式下，选择空闲时（无数据传输时）时钟线的电平：SPI_LOW_LEVEL、SPI_HIGH_LEVEL
|
|||
|
|
uint8_t WordSize; //字长度, 有效值4-16
|
|||
|
|
uint8_t Master; //1 主机模式 0 从机模式
|
|||
|
|
uint8_t clkDiv; //SPI_CLK = SYS_CLK / clkDiv，有效值：SPI_CLKDIV_4、SPI_CLKDIV_8、... ... 、SPI_CLKDIV_512
|
|||
|
|
|
|||
|
|
uint8_t RXHFullIEn; //接收FIFO半满中断使能
|
|||
|
|
uint8_t TXEmptyIEn; //发送FIFO 空中断使能
|
|||
|
|
uint8_t TXCompleteIEn; //发送FIFO 空且发送移位寄存器空中断使能
|
|||
|
|
} SPI_InitStructure;
|
|||
|
|
|
|||
|
|
#define SPI_FORMAT_SPI 0 //Motorola SPI 格式
|
|||
|
|
#define SPI_FORMAT_TI_SSI 1 //TI SSI 格式
|
|||
|
|
|
|||
|
|
#define SPI_FIRST_EDGE 0 //第一个时钟沿开始采样
|
|||
|
|
#define SPI_SECOND_EDGE 1 //第二个时钟沿开始采样
|
|||
|
|
|
|||
|
|
#define SPI_LOW_LEVEL 0 //空闲时时钟线保持低电平
|
|||
|
|
#define SPI_HIGH_LEVEL 1 //空闲时时钟线保持高电平
|
|||
|
|
|
|||
|
|
#define SPI_CLKDIV_4 0
|
|||
|
|
#define SPI_CLKDIV_8 1
|
|||
|
|
#define SPI_CLKDIV_16 2
|
|||
|
|
#define SPI_CLKDIV_32 3
|
|||
|
|
#define SPI_CLKDIV_64 4
|
|||
|
|
#define SPI_CLKDIV_128 5
|
|||
|
|
#define SPI_CLKDIV_256 6
|
|||
|
|
#define SPI_CLKDIV_512 7
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
void SPI_Init(SPI_TypeDef * SPIx, SPI_InitStructure * initStruct); //SPI初始化
|
|||
|
|
void SPI_Open(SPI_TypeDef * SPIx); //SPI打开，允许收发
|
|||
|
|
void SPI_Close(SPI_TypeDef * SPIx); //SPI关闭，禁止收发
|
|||
|
|
|
|||
|
|
uint32_t SPI_Read(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_Write(SPI_TypeDef * SPIx, uint32_t data);
|
|||
|
|
void SPI_WriteWithWait(SPI_TypeDef * SPIx, uint32_t data);
|
|||
|
|
uint32_t SPI_ReadWrite(SPI_TypeDef * SPIx, uint32_t data);
|
|||
|
|
|
|||
|
|
uint32_t SPI_IsRXEmpty(SPI_TypeDef * SPIx); //接收FIFO是否空，如果不空则可以继续SPI_Read()
|
|||
|
|
uint32_t SPI_IsTXFull(SPI_TypeDef * SPIx); //发送FIFO是否满，如果不满则可以继续SPI_Write()
|
|||
|
|
uint32_t SPI_IsTXEmpty(SPI_TypeDef * SPIx); //发送FIFO是否空
|
|||
|
|
|
|||
|
|
|
|||
|
|
void SPI_INTRXHalfFullEn(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTRXHalfFullDis(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTRXHalfFullClr(SPI_TypeDef * SPIx);
|
|||
|
|
uint32_t SPI_INTRXHalfFullStat(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTRXFullEn(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTRXFullDis(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTRXFullClr(SPI_TypeDef * SPIx);
|
|||
|
|
uint32_t SPI_INTRXFullStat(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTRXOverflowEn(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTRXOverflowDis(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTRXOverflowClr(SPI_TypeDef * SPIx);
|
|||
|
|
uint32_t SPI_INTRXOverflowStat(SPI_TypeDef * SPIx);
|
|||
|
|
|
|||
|
|
void SPI_INTTXHalfFullEn(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTTXHalfFullDis(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTTXHalfFullClr(SPI_TypeDef * SPIx);
|
|||
|
|
uint32_t SPI_INTTXHalfFullStat(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTTXEmptyEn(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTTXEmptyDis(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTTXEmptyClr(SPI_TypeDef * SPIx);
|
|||
|
|
uint32_t SPI_INTTXEmptyStat(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTTXCompleteEn(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTTXCompleteDis(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTTXCompleteClr(SPI_TypeDef * SPIx);
|
|||
|
|
uint32_t SPI_INTTXCompleteStat(SPI_TypeDef * SPIx);
|
|||
|
|
|
|||
|
|
void SPI_INTTXWordCompleteEn(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTTXWordCompleteDis(SPI_TypeDef * SPIx);
|
|||
|
|
void SPI_INTTXWordCompleteClr(SPI_TypeDef * SPIx);
|
|||
|
|
uint32_t SPI_INTTXWordCompleteStat(SPI_TypeDef * SPIx);
|
|||
|
|
|
|||
|
|
|
|||
|
|
#endif //__SWM320_SPI_H__
|