define.h

PIC16F689驱动SD卡程序,可以实现对SD的ID读取和内存读取,并且可以通过串口调试精灵看到相应信息

#include"pic.h"
#define  u8		unsigned char
#define  u16	unsigned int
typedef unsigned char uchar; 
typedef unsigned int  uint; 
unsigned char * str;
#define  nSEL_OUTPUT()    TRISC7=0
#define  nSEL_Hi()        RC7=1
#define  nSEL_Low()        RC7=0;
#define Sdi_OutPut()       TRISC0=0
#define Sdi_Hi()           RC0=1
#define Sdi_Low()          RC0=0
#define Sdo_InPut()      TRISC2=1
#define Sdo_Hi()            RC2=1
#define Sdo_Low()       RC2=0
#define Sdo_Data()      RC2
#define Wait_Sdo_Hi()  while(RC2 == 0)
#define  SPI_DI           RC0 
#define  SPI_DO           RC2 
#define  SPI_SCL           RC6 
#define  SPI_CS          RC7 
#define  RX            RB5
#define TX             RB7
#define Sck_OutPut()    TRISC6=0
#define Sck_Hi()           RC6=1
#define Sck_Low()        RC6=0
#define LED_OutPut()       TRISC3=0;
#define LED_ON()          RC3=1;
#define LED_OFF()          RC3=0;
#define SPI_BY             RC3
#define UINT unsigned int
#define UCHAR unsigned char