hal.h

phlip D12 usb转RS232源代码

#include "x52.h"
	
//#define EPP_PORT  P1
#define DATA_BUS      P0

//sbit MCU_SWM0       = P1^0;
//sbit MCU_SWM1       = P1^1;
//sbit MCU_LED0	      = P1^2;
//sbit MCU_LED1	      = P1^3;

sbit    MCU_D12CS= P1^6;
//sbit MCU_D12RST     = P1^7;

sbit    D12SUSPD= P3^3;

sbit     WRITE =P3^6;    
sbit     READ  =P3^7;     
sbit     EOC   =P3^2;   

#define ADC        0x7ff8        //定义A/D的端口地址
#define ADCdata    0x1000       //定义数据缓冲器地址


#define DISABLE		EA=0
#define ENABLE		EA=1
//void outportb(unsigned char port,unsigned char value);

//void inportb(unsigned char port);