第九届蓝桥杯单片机组代码

#include "tim.h" #include "key.h" #include "seg.h" #include "onewire.h" #include "i2c.h" #include "stdio.h" unsigned char pucSeg_Buf[10]=0, pucSeg_Code[8]=' ', ucSeg_Pos; unsigned int uiFre_Val,uiFre_Valcun; unsigned int ulms,ulms1,ulms2,ulms5; unsigned int uiFre_Echo; unsigned char mode=0;//mode判断界面,mode1判断回显 bit mode1=0,mode2=0;//控制是否进入回显,mode2判断是否进入判断界面 unsigned int ya=100,yacun=0,fazhi=15;//电压 unsigned char ucKey_Dly, ucKey_Old;//储存按键判断 unsigned long ulms3=0;//储存按键时长 unsigned int te=0,tecun;//温度 unsigned long ulKey_Time=0; unsigned char yayu=0;//电压阈值 void Key_Proc(void); unsigned char leddo=0; bit led1=0; bit led=0; void Timer0Init(void) // 16 位计数器模式 { AUXR &= 0x7F; // 定时器时钟 12T 模式 TMOD |= 5; // 设置 16 位计数器模式 TL0 = 0; // 设置计数初值 TH0 = 0; // 设置计数初值 TF0 = 0; // 清除 TF0 标志 TR0 = 1; // 开始计数 } void Delay100ms() //@11.0592MHz { unsigned char i, j, k; i = 5; j = 52; k = 195; do { do { while (--k); } while (--j); } while (--i); } void show() { int i=0; Led_Disp(leddo); for(;i<10;i++) { pucSeg_Buf[i]=' '; } if(mode1==0)//数据界面 { if(mode==0) { leddo&=0xf0; leddo|=(0x04); pucSeg_Buf[0]='U'; sprintf(pucSeg_Buf+6, "%2.1f", (unsigned char)ya/255.0*5);//电压显示 } if(mode==1) { leddo&=0xf0; leddo|=(0x02); sprintf(pucSeg_Buf, "F %5u", (unsigned int)uiFre_Val);//频率显示 } if(mode==2)//温度 { leddo&=0xf0; leddo|=(0x01); pucSeg_Buf[0]='C'; sprintf(pucSeg_Buf+3, " %04.2f", (int)te/16.0);//打入字符串,以字符形式储存 } } else//回显 { leddo&=0xf0; pucSeg_Buf[0]='H'; if(mode==0) { pucSeg_Buf[1]='U'; sprintf(pucSeg_Buf+6, "%2.1f", (unsigned char)yacun/255.0*5.0);//电压显示 } if(mode==1) { sprintf(pucSeg_Buf+1, "F %5u", (unsigned int)uiFre_Valcun);//频率显示 } if(mode==2) { te=DS18B20_Read(); pucSeg_Buf[1]='C'; sprintf(pucSeg_Buf+3, " %05.2f", (int)tecun/16.0);//打入字符串,以字符形式储存 } } if(mode2==1) { pucSeg_Buf[0]='P'; sprintf(pucSeg_Buf+6, "%2.1f", (unsigned char)fazhi/10.0);//电压显示 } Seg_Tran(pucSeg_Buf,pucSeg_Code); } void cun()//key5功能 { yacun=ya; uiFre_Valcun=uiFre_Val; tecun=DS18B20_Read(); write_eeprom(0x01,yacun); Delay100ms(); write_eeprom(0x02,tecun %256); Delay100ms(); write_eeprom(0x03,tecun/256); Delay100ms(); write_eeprom(0x06,uiFre_Valcun & 0xff); Delay100ms(); write_eeprom(0x07,uiFre_Valcun/256); Delay100ms(); } void keydo(unsigned char key_value)//按键执行 { if(key_value==4&&mode2==0) { mode+=1; mode%=3; } if(key_value==5) { cun(); } if(key_value==6) { if(mode2==0)// { mode1=~mode1; } else//电压阈值界面的key6 { if(fazhi<50) { fazhi+=1; } } } if(key_value==7) { mode2=~mode2; } } void main(void) { Cls_Peripheral(); Timer0Init(); Timer1Init(); Delay100ms(); tecun =read_eeprom(0x03)*256; Delay100ms(); tecun +=read_eeprom(0x02); Delay100ms(); yacun = read_eeprom(0x01); Delay100ms();Delay100ms(); uiFre_Valcun = (read_eeprom(0x07)*256); Delay100ms(); uiFre_Valcun += read_eeprom(0x06); TR1=1; while(1) { Key_Proc(); if(ulms2==250) { Key_Read(); } if(ulms1==10) { show(); } if(ulms2==50)//温度检测 { te=DS18B20_Read(); } if(ulms2==150)//da { ya=Pcf8591_adc(); if(ya>fazhi*5) { led1=1; } else { led1=0; } } } } void Time_1(void) interrupt 3 { ulms5++; ulms3++; ulms2++; ulms++; ulms1++; if(++ucKey_Dly == 10) ucKey_Dly = 0; if(ulms1>100) { ulms1=0; } if(ulms5>200) { if(led1==1) { leddo|=led; leddo<<=7; led=~led; } else { leddo&=0x7f; } ulms5=0; } if(ulms==1000) { uiFre_Val=(TH0<<8)+TL0; TH0=0; TL0=0; ulms=0; } if(ulms2>300) { ulms2=0; } Seg_Disp(pucSeg_Code, ucSeg_Pos); if(++ucSeg_Pos == 8) ucSeg_Pos = 0; } void Key_Proc(void) { unsigned char ucKey_Val, ucKey_Down, ucKey_Up; if(ucKey_Dly) return; ucKey_Dly = 1; ucKey_Val = Key_Read(); ucKey_Down = ucKey_Val & (ucKey_Old ^ ucKey_Val);//^按位异或 ucKey_Up = ~ucKey_Val & (ucKey_Old ^ ucKey_Val); ucKey_Old = ucKey_Val; if(ucKey_Down)//判断old是否和新的一样，一样说明是同一个,不会进入 { ulKey_Time = ulms3; keydo(ucKey_Down); } if(ucKey_Old && (ulms3 - ulKey_Time > 800)) { ulKey_Time = ulms3; ulKey_Time-=400; keydo(ucKey_Old); } }