7860_f2.c

来自「单片机程序代码,经过很详细的测试.呵呵,硬件相关.」· C语言 代码 · 共 58 行

#include <reg54.h>
#include <stdio.h>
#include "f2rc7860.h"

extern void delay(void);

void f2rc7860_wr(unsigned int f2addr,unsigned char value) large reentrant{
     P1 = 0x10;
     F2ADDRL = (unsigned char) f2addr;
     F2ADDRH = (unsigned char) (f2addr>>8);
     RC7860_REG = value;

     F2ADDRL = 0xFF;
     F2ADDRH = 0x0F;
     P1 = 0;     
}

unsigned char f2rc7860_rd(unsigned int f2addr) large reentrant{
unsigned char xdata value;
     P1 = 0x10;
     F2ADDRL = (unsigned char) f2addr;
     F2ADDRH = (unsigned char) (f2addr>>8);
     value = RC7860_REG;

     F2ADDRL = 0xFF;
     F2ADDRH = 0x0F;
     P1 = 0;
     return(value);
}

void reset_f2rc7860(void){
// while (1){  
//    P1 = 0x10;
//	ADDRH = 0;                           //reset f2rc7860
//    delay();
	F2ADDRH = 0x80;
	delay();

	F2ADDRH = 0;
    P1 = 0;
//	}
	
}

void f2_rc7860(void){
//    reset_f2rc7860();

    f2rc7860_wr(F2Reg_protect,0xAA);       //open 7860 write reg protect

/*--------------------------通用控制寄存器，读/写。（A、B单元共用）-----*/

    f2rc7860_wr(F2Int_mask,0x80);
    f2rc7860_wr(F2Rdint_clr,0x00);
    f2rc7860_wr(F2Dxc_cntr,0xA0);
 
/*--------------------------SOH发送寄存器，读/写。-------------------*/

/*---------------------------------A单元