spi.h

是电表处理芯片CS5460A的单片机程序,已经经过产品的验证.

/* 
//p1.1
#define CLR_SPI_CS	(P1&=0xfd)	
#define SET_SPI_CS	(P1|=0x02)

//p1.2
#define CLR_SPI_CLK	(P1&=0xfb)
#define SET_SPI_CLK (P1|=0x04)

//p1.3
#define CLR_SPI_SDI	(P1&=0xf7)
#define SET_SPI_SDI	(P1|=0x08)

//p1.4
#define READ_SPI_SDO (P1&=0x10)
#define SET_SPI_SDO	(P1|=0X10)

//p1.5
#define SET_DRDY	(P1|=0x20)
#define READ_DRDY	(P1 & 0x20)
*/


uchar Read_From_Measure(uchar,uchar *,uchar);
uchar Write_To_Measure(uchar,uchar *,uchar);
void Delay_10us(uchar delay);
void Send_Measure_Byte(uchar para);
uchar Receive_Measure_Byte(void);