spi.h

使用MC9S12DG128芯片

/******************************************************************
SPI.h
******************************************************************/

extern void InitSPI(void);

extern void SPI_Func(void);

extern INT8U *SPISend(INT8U ch,INT8U i);

#define StarSPI0() {SPI0CR1_SPE = 1;}

#define StopSPI0() {SPI0CR1_SPE = 0;}
 
#define MasterSPI0() {SPI0CR1_MSTR = 1;/*SPI0CR2_BIDIROE = 1;*/}

#define SlaveSPI0() {SPI0CR1_MSTR = 0;}
  
  
#define RDAX 0x10