iocfg.c

1、数控直流恒流源的单片机代码。 2、重要包括电源、输入处理、A/D采集、键盘、LCD显示、D/A输出。

#include<reg51.h>

/*引脚定义*/

//DAC引脚
sbit  DACDIN 		= P0^0;
sbit  DACSCLK  	= P0^1;
sbit  DACCS  	  = P0^2;

//ADC引脚
sbit  ADCPWRD  = P1^0;
sbit  ADCBUSY  = P1^1;
sbit  ADCRC    = P1^2;
sbit  ADCDATA  = P1^3;
sbit  ADCSCLK  = P1^4;
sbit  ADCSYN   = P1^5;
sbit  ADCSBTC  = P1^6;
sbit  ADCEXINT = P1^7;

//ZLG7289_KEY引脚
sbit  ZLG7289CS  = P0^3;
sbit  ZLG7289CLK = P0^4;
sbit  ZLG7289DIO = P0^5;
sbit  ZLG7289INT = P3^2;

//LCD引脚
sbit  LCDRW   = P3^3;
sbit  LCDRS   = P0^6;
sbit  LCDRST  = P3^1;
sbit  LCDE    = P3^0;
#define  LCDData  P2

//ISD1420引脚
sbit  PLAYL	= P0^7;
sbit  A4    = P3^7;
sbit  A3    = P3^6;  
sbit  A2    = P3^5;
sbit  A1    = P3^4;