金沙滩51单片机开发.zip

#include <reg52.h> #include <intrins.h> sbit ADDR0=P1^0; sbit ADDR1=P1^1; sbit ADDR2=P1^2; sbit ADDR3=P1^3; sbit ENLED=P1^4; sbit BUZZ = P1^6; //蜂鸣器控制引脚 bit flag300ms = 1; //300ms定时标志 unsigned char T0RH = 0; //T0重载值的高字节 unsigned char T0RL = 0; //T0重载值的低字节 bit flagUart=0; bit d=0; static unsigned int cnt=0; unsigned int t=0; unsigned int t0=0; static unsigned char m=1; static unsigned char c=0; static unsigned char v=0; unsigned char RxdByte = 0; //串口接收到的字节 void ConfigTimer0(unsigned int ms); unsigned char GetADCValue(unsigned char chn); void ValueToString(unsigned char *str, unsigned long val); extern void KeyScan(); extern void KeyDriver(); extern void I2CStart(); extern void I2CStop(); extern unsigned char I2CReadACK(); extern unsigned char I2CReadNAK(); extern bit I2CWrite(unsigned char dat); extern void Led1(); extern void Led2(); extern void Led3(); extern void Led4(); extern void Led5(); extern void Led6(); extern void Led7(); extern void Led8(); extern void Led9(); extern void Led0(); extern void InitLcd1602(); extern void LcdShowStr(unsigned char x, unsigned char y, unsigned char *str); extern void UartDriver(); extern void ConfigUART(unsigned int baud); extern void UartRxMonitor(unsigned char ms); extern void UartWrite(unsigned char *buf, unsigned char len); void UsartConfiguration(); unsigned char code LedChar[] = { //数码管显示字符转换表 0xC0, 0xF9, 0xA4, 0xB0, 0x99, 0x92, 0x82, 0xF8, 0x80, 0x90, 0x88, 0x83, 0xC6, 0xA1, 0x86, 0x8E }; unsigned char LedBuff[7] = { //数码管+独立 LED 显示缓冲区 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; unsigned char code L1[7]={0xE7,0xDB,0xBD,0x7E,0xBD,0xDB}; //其实就是定义了一个亮灯状态表,由中间到两边，再由两边倒中间,然后P0循环此数组 //1110 0111 , 1101 1011 , 1011 1101 ,0111 1110, 1011 1101, 1101 1011, 1110 0111 unsigned char code L2[30]={0xE7,0xDB,0xBD,0x7E,0xBD,0xDB, 0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,0xFE, 0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F,0xEF}; //22 unsigned char code L3[50]={0xEF,0xDF,0xBF,0x7F, 0xF7,0xFB,0xFD,0xFE, 0xEF,0xDF,0xBF,0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,0xFE, 0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F,0xBF,0xDF}; //28 unsigned char ledd3[20]={0xFC,0xF9,0xE7,0xCF,0x9F,0x3F,0x7F,0x3F,0x9F,0xCF,0xE7,0xF9,0xFC,0xFE}; //14 unsigned char code ledd4[25]={0x7F,0x3F,0x1F,0x0F,0x87,0xC3,0xE1, 0xF0,0xF8,0xFC,0xFE,0xFC,0xF8,0xF0,0xE1,0xC3, 0x87,0x0F,0x1F,0x3F,0x7F}; // 21 unsigned char code ledd5[20]={0xFA,0xFD,0xF5,0xF4,0xEB,0xF7,0xD7,0xEF,0xAF,0xDF,0x5F,0xBF}; //unsigned char val; unsigned char code image[11][8] = { {0xC3, 0x81, 0x99, 0x99, 0x99, 0x99, 0x81, 0xC3}, //数字0 {0xEF, 0xE7, 0xE3, 0xE7, 0xE7, 0xE7, 0xE7, 0xC3}, //数字1 {0xC3, 0x81, 0x9D, 0x87, 0xC3, 0xF9, 0xC1, 0x81}, //数字2 {0xC3, 0x81, 0x9D, 0xC7, 0xC7, 0x9D, 0x81, 0xC3}, //数字3 {0xCF, 0xC7, 0xC3, 0xC9, 0xC9, 0x81, 0xCF, 0xCF}, //数字4 {0x81, 0xC1, 0xF9, 0xC3, 0x87, 0x9D, 0x81, 0xC3}, //数字5 {0xC3, 0x81, 0xF9, 0xC1, 0x81, 0x99, 0x81, 0xC3}, //数字6 {0x81, 0x81, 0x9F, 0xCF, 0xCF, 0xE7, 0xE7, 0xE7}, //数字7 {0xC3, 0x81, 0x99, 0xC3, 0xC3, 0x99, 0x81, 0xC3}, //数字8 {0xC3, 0x81, 0x99, 0x81, 0x83, 0x9F, 0x83, 0xC1}, //数字9 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, //全亮 }; static char str[10]={0,0,0,0,0,0,0,0}; unsigned int code NoteFrequ[] = { //中音 1-7 和高音 1-7 对应频率列表 523, 587, 659, 698, 784, 880, 988, //中音 1-7 1047, 1175, 1319, 1397, 1568, 1760, 1976 //高音 1-7 }; unsigned int code NoteReload[] = { //中音 1-7 和高音 1-7 对应的定时器重载值 65536 - (11059200/12) / (523*2), //中音 1 65536 - (11059200/12) / (587*2), //2 65536 - (11059200/12) / (659*2), //3 65536 - (11059200/12) / (698*2), //4 65536 - (11059200/12) / (784*2), //5 65536 - (11059200/12) / (880*2), //6 65536 - (11059200/12) / (988*2), //7 65536 - (11059200/12) / (1047*2), //高音 1 65536 - (11059200/12) / (1175*2), //2 65536 - (11059200/12) / (1319*2), //3 65536 - (11059200/12) / (1397*2), //4 65536 - (11059200/12) / (1568*2), //5 65536 - (11059200/12) / (1760*2), //6 65536 - (11059200/12) / (1976*2), //7 0, }; bit flagBuzz = 0; //蜂鸣器发声使能标志 bit tmrflag = 0; //定时器中断完成标志 void PlayTwoTiger(); void main() { unsigned int i; unsigned char val; EA = 1; //开总中断 ENLED=0; ConfigTimer0(10); //配置T0定时10ms ConfigUART(9600); //配置波特率为9600 InitLcd1602(); //初始化液晶 //led1(); while (1) { switch(m) { case 1: LcdShowStr(5, 0,"1");c=0;break; case 2: LcdShowStr(5, 0,"2");c=0;break; case 3: LcdShowStr(5, 0,"3");Led3();c=0;break; case 4: LcdShowStr(5, 0,"4");Led4();c=0;break; case 5: LcdShowStr(5, 0,"5");Led5();c=0;break; case 6: LcdShowStr(5, 0,"6");Led6();c=0;break; case 7: LcdShowStr(5, 0,"7");Led7();c=0;break; case 8: LcdShowStr(5, 0,"8");Led8();c=0;break; case 9: LcdShowStr(5, 0,"9");Led9();c=0;break; case 10: LcdShowStr(5, 0,"*");c=0;break; case 0: LcdShowStr(5, 0,"0");Led0();c=0;PlayTwoTiger();Led9();break; default: P0=0xFF;break; } ENLED=1; //关闭LED使能端，防止闪烁 KeyDriver(); //调用按键驱动 UartDriver(); //调用串口驱动 //if (flag300ms) { flag300ms = 0; //显示通道0的电压 LcdShowStr(9, 0, "TJ 50"); //显示通道指示 val=GetADCValue(0); //获取ADC通道0的转换值 LcdShowStr(0, 0, "Mode="); //显示通道指示 ADDR2=1; ADDR1=1; ADDR0=0; P0=0xFF; ValueToString(str, val); //转为字符串格式的电压值 LcdShowStr(0, 1, "Voltage="); //显示到液晶上 LcdShowStr(8, 1, str); //显示到液晶 TI=1; if(flagUart) { UartWrite(str,8); //UartWrite('\n',1); } } } ENLED=0; //打开LED使能端 } /* 读取当前的ADC转换值，chn-ADC通道号0~3 */ unsigned char GetADCValue(unsigned char chn) { signed long val; I2CStart(); if (!I2CWrite(0x48<<1)) //寻址PCF8591，如未应答，则停止操作并返回0 { I2CStop(); return 0; } I2CWrite(0x40|chn); //写入控制字节，选择转换通道 I2CStart(); I2CWrite((0x48<<1)|0x01); //寻址PCF8591，指定后续为读操作 I2CReadACK(); //先空读一个字节，提供采样转换时间 val = I2CReadNAK(); //读取刚刚转换完的值 I2CStop(); return val; } /* ADC转换值转为实际电压值的字符串形式，str-字符串指针，val-AD转换值 */ void ValueToString(unsigned char *str, unsigned long val) { //电压值=转换结果*2.5V/255，式中的25隐含了一位十进制小数 val = (val*2500) / 255; t=val*6; t0=val/100; str[0] = (val/1000)%10 + '0'; //整数位字符 str[1] = '.'; //小数点 str[2] = (val/100)%10 + '0'; //小数位字符 str[3] = (val/10)%10 +'0'; str[4] = (val%10) + '0'; str[5] = 'V'; //电压单位 str[6] = '\0'; //结束符 } /* 内存比较函数，比较两个指针所指向的内存数据是否相同， ptr1-待比较指针1，ptr2-待比较指针2，len-待比较长度 返回值-两段内存数据完全相同时返回1，不同返回0 */ bit CmpMemory(unsigned char *ptr1, unsigned char *ptr2, unsigned char len) { while (len--) { if (*ptr1++ != *ptr2++) //遇到不相等数据时即刻返回0 { return 0; } } return 1; //比较完全部长度数据都相等则返回1 } /* 串口动作函数，根据接收到的命令帧执行响应的动作 buf-接收到的命令帧指针，len-命令帧长度 */ void UartAction(unsigned char *buf, unsigned char len) { unsigned char i; unsigned char code cmd0[] = "1"; //开蜂鸣器命令 unsigned char code cmd1[] = "2"; //关蜂鸣器命令 unsigned char code cmd2[] = "3"; //字符串显示命令 unsigned char code cmd3[] = "4"; //字符串显示命令 unsigned char code cmd4[] = "5"; //字符串显示命令 unsigned char code cmd5[] = "6"; //字符串显示命令 unsigned char code cmd6[] = "7"; //字符串显示命令 unsigned char code cmd7[]