pin_.h

单片机与pc机通讯例程的mcu部分

#ifndef _PIN__H_
#define _PIN__H_

/*----------------------------------------------------
端口定义
----------------------------------------------------*/

sbit PDallasWire	= P2^7;
sbit PDallasProg	= P2^6;
#define DALLAS_PROG_1	PDallasProg = 0
#define DALLAS_PROG_0	PDallasProg = 1


sbit PStdI2cClk = P2^2;		/*	标准I2C器件 clk	*/
sbit PStdI2cDat = P2^3;		/*	标准I2C器件 dat	*/

sbit PExtIODat_0 = P0^0;
sbit PExtIODat_1 = P0^1;
sbit PExtIODat_2 = P0^2;
sbit PExtIODat_3 = P0^3;
sbit PExtIODat_4 = P0^4;
sbit PExtIODat_5 = P0^5;
sbit PExtIODat_6 = P0^6;
sbit PExtIODat_7 = P0^7;

sbit PExtEn = P1^0;		/*	低电平有效	*/
sbit PExtLe_1 = P1^1;
sbit PExtLe_2 = P1^2;
sbit PExtLe_3 = P1^3;
sbit PExtLe_4 = P1^4;
sbit PExtLe_5 = P1^5;
sbit PExtLe_6 = P1^6;
sbit PExtLe_7 = P1^7;

sbit PFakeI2cClk	= P3^2;
sbit PFakeI2cDatIn 	= P3^3;
sbit PFakeI2cDatOut	= P3^4;		/*	读时应设置成高	*/

sbit PAdI2cClk	= P2^1;		/*	Ad1110A0 	*/
sbit PAdI2cDat	= P2^0;

sbit PAdd2 = P3^5;
sbit PAdd0 = P3^6;
sbit PAdd1 = P3^7;


#endif		/*	 End definition _PIN__H_	*/