下面介绍main
c 主程序编写,其他程序略
(1) 头文件和一些宏定义 #include #include #include #include "lcd
h" #include "hx711
h" #include "keyboard
h" //定义量程系数 #define RATIO 2114/1623 //定义标识 volatile bit FlagTest = 0; //定时测试标志,每 0
5 秒置位,测完清 0 volatile bit FlagKeyPress = 0; //有键按下标志,处理完毕清 0 volatile bit FlagSetPrice = 0; //价格设置状态标志,设置好为 1
//管脚定义 sbit LedA = P2^2; sbit beep = P1^0; sbit alert = P1^1; //显示用变量 int Counter; uchar idata str1[6] = "000000"; int i, iTemp; //称重用变量 unsigned long idata FullScale; //满量程AD 值/1000 unsigned long AdVal; //AD 采样值 unsigned long weight; //重量值,单位 g unsigned long idata price; //单价,长整型值,单位为分 unsigned long idata money; //总价,长整型值,单位为分 //键盘处理变量 uchar keycode; uchar DotPos; //小数点标志及位置 //函数声明 void int2str(int, char *); void Data_Init(); void Port_Init(); void Timer0_Init(); void Timer0_ISR ()