PIC16F877A+lcd1602+24c02B+picc例程

#include<pic.h> #include "..\devlib\mydef16F877.h" #include "1602.h" #include "24c02_moni.h" //主函数 const char num2hex[]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'}; void fnBytes2String(BYTE* bs,BYTE len,char *str) { BYTE i,c;//定义ch高四位,cl低四位 for(i=0;i<len;i++) { c=*bs++; //取高四位 //ch=(BYTE)c>>4 ; //取低四位 //cl=0x0f&c; //分别将转换后的字符存入字符串数组中 *str++=(char)num2hex[c>>4]; *str++=(char)num2hex[0x0f&c]; } } void main() { char i=0,j=0; BYTE abc[]={0x1a,0x2b,0x33,0x44,0x55,0x66,0x77,0x88}; char lcdBuf[]="0123456789ABCDEF"; lcd_init(); //调用LCD初始化函数 ee_init; // strcpy(lcdBuf,"1234567890abcdef"); // Write_EEPROM_Data(0x00,lcdBuf,8); // lcd_write_string(0,1,lcdBuf); // delayms(1000); //// // fnBytes2String((BYTE*)abc,8,lcdBuf); // lcd_write_string(0,1,lcdBuf); // Write_EEPROM_Data(0x08,abc,8); // delayms(1000); memset(lcdBuf,' ',16); memset(abc,0,16); while(1) { if(i++%2) { Read_EEPROM_Data(0x08,abc,8); fnBytes2String(abc,8,lcdBuf); } else { Read_EEPROM_Data(0x00,abc,8); memcpy(lcdBuf,abc,8); } lcd_write_string(0,2,lcdBuf); delayms(1000); memset(lcdBuf,' ',16); lcd_write_string(0,2,lcdBuf); delayms(100); } }