第十三届蓝桥杯单片机国赛代码实现

#include "stc15f2k60s2.h" #include "stdio.h" #include "bsp_timerinit.h" #include "bsp_init.h" #include "bsp_led.h" #include "bsp_key.h" #include "bsp_seg.h" #include "bsp_CSB.h" #include "iic.h" #include "bsp_NE_555.h" sbit out = P3^6; //定时器 unsigned int t; unsigned char newt; unsigned int newt1; //继电器开关参数 bit flag = 1, flag_old = 1; //频率开关 bit off_on; //按键 unsigned char key_down, key_value, key_old, key_up; //数码管 unsigned char seg_string[10], seg_buf[8], pos; //led unsigned char ucled; //eeprom unsigned char eeprom_buf[10]; //pcf8591 unsigned char ad, date; float ad1; //超声波 unsigned char dist; bit flag_led1; bit flag_led2; bit flag_led3; //ne555 unsigned int freq; unsigned int freq1; //参数 unsigned char para_dist = 60; unsigned char para_ad = 40; unsigned int para_freq = 9000; //页面 unsigned char page; unsigned char para_page; //模式 bit mode_freq, mode_dist; bit flag; //消抖 unsigned char key_slow, seg_slow; void Key_Proc(); void Seg_Proc(); void Led_Proc(); void main() { System_Init(); EEPROM_Read(eeprom_buf, 0 , 1); Timer1Init(); NE555_Init(); EA = 1; while(1) { Key_Proc(); Seg_Proc(); Led_Proc(); } } void Key_Proc() { if(key_slow != 0) return; key_slow = 1; key_value = Key_Read(); key_down = key_value & (key_old ^ key_value); key_up = ~key_value & (key_old ^ key_value); key_old = key_value; switch(key_down) { case 4: { page++; if(page == 2) off_on = 1; if(page == 4) page = 0; if(page == 0) { NE555_Init(); off_on = 0; TR0 = 1; } para_page = 0; }break; case 5: { para_page++; if(para_page == 3) para_page = 0; }break; case 6: { if(page == 2) { mode_dist ^= 1; } if(page == 3) { if(para_page == 0) { para_freq += 500; if(para_freq == 12500) para_freq = 1000; } if(para_page == 1) { para_ad += 10; if(para_ad == 70) para_ad = 10; } if(para_page == 2) { para_dist += 10; if(para_dist == 130) para_dist = 10; } } }break; case 7: { if(page == 1) newt1 = t; if(page == 0) { mode_freq ^= 1; } if(page == 3) { if(para_page == 0) { para_freq -= 500; if(para_freq == 500) para_freq = 12000; } if(para_page == 1) { para_ad -= 10; if(para_ad == 0) para_ad = 60; } if(para_page == 2) { para_dist -= 10; if(para_dist == 0) para_dist = 120; } } }break; } if(key_up == 7 && page == 1) { if(t - newt >= 1000) { eeprom_buf[0] = 0; EEPROM_Write(eeprom_buf, 0 , 1); } } } void Seg_Proc() { if(seg_slow != 0) return; seg_slow = 1; ad = PCF8591_ADC(3); ad1 = (float)ad/51; switch(page) { case 0: { if(freq >= 65535) freq = 65535; if(mode_freq == 0) sprintf(seg_string, "F %6d", (unsigned int)freq); if(mode_freq == 1) { if((float)freq/1000.0 >= 10) sprintf(seg_string, "F %3.1f", (float)freq/1000.0); if((float)freq/1000.0 < 10) sprintf(seg_string, "F %2.1f", (float)freq/1000.0); } }break; case 1: { sprintf(seg_string, "H %2d", (unsigned int)(ad1*20)); if(ad1*20 > 99) sprintf(seg_string, "H 99"); }break; case 2: { TR0 = 0; CSB_Init(); dist = Wave_Recv(); if( mode_dist == 0) sprintf(seg_string, "A %3d", (unsigned int)dist); if( mode_dist == 1) sprintf(seg_string, "A %3.2f", (float)dist/100.00); }break; case 3: { if(para_page == 0) { if((float)para_freq/1000.0 >= 10) sprintf(seg_string, "P1 %3.1f",(float)para_freq/1000.0); else sprintf(seg_string, "P1 %2.1f",(float)para_freq/1000.0); } if(para_page == 1) sprintf(seg_string, "P2 %2d",(unsigned int)para_ad); if(para_page == 2) sprintf(seg_string, "P3 %2.1f",(float)para_dist/100.0); }break; } Seg_Tran(seg_string, seg_buf); if(ad1*20 >= para_ad) ucled |= 0x10; if(ad1*20 < para_ad) { date = 1.0*51; ucled &= 0xef; } if(dist > para_dist) { P0 = 0x10; P2 = P2 & 0x1f | 0xa0; P2 &= 0x1f; flag = 0; ucled |= 0x20; } if(dist <= para_dist) { P0 = 0x00; P2 = P2 & 0x1f | 0xa0; P2 &= 0x1f; flag = 1; ucled &= 0xdf; } if(flag != flag_old) { if(flag == 1) { eeprom_buf[0]++; } flag_old = flag; } if(para_ad == 10 && ad1*20 > para_ad) date = (3*ad1*20+15); if(para_ad == 20 && ad1*20 > para_ad) date = (3.4*ad1*20-17); if(para_ad == 30 && ad1*20 > para_ad) date = (4*ad1*20-65); if(para_ad == 40 && ad1*20 > para_ad) date = (5*ad1*20-145); if(para_ad == 50 && ad1*20 > para_ad) date = (7*ad1*20-305); if(para_ad == 60 && ad1*20 > para_ad) date = (10*ad1*20-545); PCF8591_DAC(date); EEPROM_Write(eeprom_buf,0,1); } void Led_Proc() { if(page == 0) { ucled |= 0x01; flag_led1 = 0; } else if(page == 3 && para_page == 0) flag_led1 = 1; else { ucled &= 0xfe; flag_led1 = 0; } if(page == 1) { ucled |= 0x02; flag_led2 = 0; } else if(page == 3 && para_page == 1) flag_led2 = 1; else { ucled &= 0xfd; flag_led2 = 0; } if(page == 2) { ucled |= 0x04; flag_led3 = 0; } else if(page == 3 && para_page == 2) flag_led3 = 1; else { ucled &= 0xfb; flag_led3 = 0; } } void Server_Timer1() interrupt 3 { t++; newt++; key_slow++; if(key_slow >= 50) key_slow = 0; seg_slow++; if(seg_slow >= 50) seg_slow = 0; if(freq > para_freq) { ucled |= 0x08; if(newt < 80) { out = 1; } if(newt >= 80) { out = 0; } if(newt == 100) { newt = 0; } } if(freq <= para_freq) { ucled &= 0xf7; if(newt < 20) { out = 1; } if(newt >= 20) { out = 0; } if(newt == 100) { newt = 0; } } if(t % 1000 == 0 && off_on == 0) { freq = ((TH0<<8)|TL0); TH0 = 0; TL0 = 0; } if(flag_led1 == 1) { if(t % 100 == 0) ucled ^= 0x01; } if(flag_led2 == 1) { if(t % 100 == 0) ucled ^= 0x02; } if(flag_led3 == 1) { if(t % 100 == 0) ucled ^= 0x04; } Led_Disp(ucled); Seg_Disp(seg_buf, pos); pos++; if(pos >= 8) pos = 0; }