shizhong.zip_51串口时间_51单片机_串口时钟_串口时间_串口闹钟

#include"key.h" #include"1602.h" #include"delay.h" uchar k1count = 0; void keyscan() { P3 = 0xfb; if(P3 == 0x7b) { delayms(10); if(P3 == 0x7b) { TR0 = 0; //关定时器 k1count++; //记下按键被按下的次数 while(P3 == 0x7b); if(k1count == 1) { write_com(0xc0+10); //定位到秒那个位置 write_com(0x0f); //光标开始闪烁 } if(k1count == 2) { write_com(0xc0+7); } if(k1count == 3) { write_com(0xc0+4); } if(k1count == 4) { write_com(0x80+6); } if(k1count == 5) { write_com(0x80+4); } if(k1count == 6) { write_com(0x80+2); } if(k1count == 7) { write_com(0x80+0); } if(k1count == 8) { write_com(0x80+11); } if(k1count == 9) { write_com(0x80+14); } if(k1count == 10) //当按键按下十次的时候计数清零，取消光标闪烁，开定时器继续走 { k1count = 0; write_com(0x0c); TR0 = 1; //开定时器 } } } if(P3 == 0xbb) { delayms(10); if(P3 == 0xbb) { while(P3 == 0xbb); for(;;) { if(k1count == 1) { g_seconds++; if(g_seconds >= 60) { g_seconds = 0; } write_sfm(10,g_seconds); write_com(0xc0+10); //显示位置重新回到调节处 } if(k1count == 2) { g_minutes++; if(g_minutes >= 60) { g_minutes = 0; } write_sfm(7,g_minutes); write_com(0xc0+7); } if(k1count == 3) { g_hour++; if(g_hour >= 24) { g_hour = 0; } write_sfm(4,g_hour); write_com(0xc0+4); } if(k1count == 4) { g_day++; if(g_month == 2) { if(((g_year1*100+g_year2)%4 == 0&&(g_year1*100+g_year2)%100 ==0)||((g_year1*100+g_year2)%4 == 0)) //判断是否为闰年 { if(g_day == 30) { g_day = 1; } } else { if(g_day == 29) { g_day = 1; } } } if(g_month%2 == 0&&g_month!=8) //判断大小月 { if(g_day == 31) g_day = 1; } else if(g_day >= 32) { g_day = 1; } write_nyr(6,g_day); write_com(0x80+6); } if(k1count == 5) { g_month++; if(g_month >= 13) { g_month=1; } write_nyr(4,g_month); write_com(0x80+4); } if(k1count == 6) { g_year2++; if(g_year2 >= 100) g_year2 = 0; write_nyr(2,g_year2); write_com(0x80+2); } if(k1count == 7) { g_year1++; write_nyr(0,g_year1); write_com(0x80+0); } if(k1count == 8) { g_alarm1++; if(g_alarm1 >= 24) g_alarm1 = 0; write_nyr(11,g_alarm1); write_com(0x80+11); } if(k1count == 9) { g_alarm2++; if(g_alarm2 >= 60) g_alarm2 = 0; write_nyr(14,g_alarm2); write_com(0x80+14); } if(P3 == 0xeb) //按按键跳出循环 { delayms(5); if(P3 == 0xeb) {break;} } delayms(500); } } } if(P3 == 0xdb) { delayms(10); if(P3 == 0xdb) { while(P3 == 0xdb); for(;;) { if(k1count == 1) { g_seconds--; if(g_seconds <= -1) { g_seconds = 59; } write_sfm(10,g_seconds); write_com(0xc0+10); } if(k1count == 2) { g_minutes--; if(g_minutes <= -1) { g_minutes = 59; } write_sfm(7,g_minutes); write_com(0xc0+7); } if(k1count == 3) { g_hour--; if(g_hour <= -1) { g_hour = 23; } write_sfm(4,g_hour); write_com(0xc0+4); } if(k1count == 4) { g_day--; if(g_month == 2) { if(g_day <= 0) { if(((g_year1*100+g_year2)%4 == 0&&(g_year1*100+g_year2)%100 ==0)||((g_year1*100+g_year2)%4 == 0)) //判断是否为闰年 g_day = 29; else g_day = 28; } } if(g_month%2 == 0&&g_month!=8) //判断大小月 { if(g_day <= 0) g_day = 30; } else if(g_day <= 0) { g_day = 31; } write_nyr(6,g_day); write_com(0x80+6); } if(k1count == 5) { g_month--; if(g_month <= 0) { g_month = 12; } write_nyr(4,g_month); write_com(0x80+4); } if(k1count == 6) { g_year2--; if(g_year2 <= -1) g_year2 = 99; write_nyr(2,g_year2); write_com(0x80+2); } if(k1count == 7) { g_year1--; if(g_year1 <= -1) g_year1 = 99; write_nyr(0,g_year1); write_com(0x80+0); } if(k1count == 8) { g_alarm1--; if(g_alarm1 <= -1) g_alarm1 = 23; write_nyr(11,g_alarm1); write_com(0x80+11); } if(k1count == 9) { g_alarm2--; if(g_alarm2 <= -1) g_alarm2 = 59; write_nyr(14,g_alarm2); write_com(0x80+14); } if(P3 == 0xeb) //按按键跳出减循环 { delayms(10); if(P3 == 0xeb) {break;} } delayms(500); } } } }