基于51单片机的4个595控制4个LED点阵的时钟

/******************************************* 点阵时钟 芯片：时钟DS1302，点阵驱动595，温度感应18B20，单片机90C516RD+ 存储24C02，点阵8*8（32mm*32mm）共阳 时间；2023.10.28 版本；2023100602 (时钟变化时滚动显示) 编写；明洋工作室 ***********************************************/ #include"main.h" #include"config.h" #include"font.h" #include"DS1302.h" #include"DS18B20.h" #include"keyboard.h" unsigned char T1RH = 0; //T1重载值的高字节 unsigned char T1RL = 0; //T1重载值的低字节 bit flag200ms = 0; //200ms进入读时间标志 bit flag500ms = 0; bit typeTime = 0; bit flag8s = 0; //1秒更新一次温度标志 struct sTime pdata bufTime; //日期时间缓冲区 enum eStaSystem staSystem = E_NORMAL; //系统开机运行在正常显示状态 //四个点阵缓存 unsigned char UnmberDat[4][8] = { {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}, {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}, {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}, {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff} }; unsigned char Timebuf[13]; //BCD码缓存 unsigned char Setsiz = 0; //设置位标号 void main() { unsigned char psec=0xaa; //秒备份，初值AA确保首次读取时间后会刷新显示 ConfigTimer1(1); InitDS1302(); //初始化时钟芯片 Start18B20(); //启动一次18B20温度转换，返回值-表示是否启动成功 LineSan(); //行扫描 ColumnSan(); //列扫描 EA = 1; //开总中断 while(1) { KeyDriver(); //扫描按键 if(staSystem == E_NORMAL) { if(flag200ms==1) { flag200ms = 0; GetRealTime(&bufTime); //获取当前时间 if(psec != bufTime.sec) //检测到时间有变化时刷新显示 { typeTime = 1; TimeBcdseparate(); //分解BCD码 TypeConversionroll(); psec = bufTime.sec; //用当前值更新上次秒数 } } Spotscanning(); if(flag8s==1) { flag8s = 0; TypeData(); NormallyRefreshTemp(); } } else if(staSystem == E_SET_TIME) //时间设置画面 { if(Setsiz<=6) { RefreshTimeSetShow(); //时间设置画面 } else { RefreshDataSetShow();//日期设置画面 } Spotscanning(); } } } /****************************************************** 给按键定义功能 *******************************************************/ void KeyAction(unsigned char keycode) { if(keycode == 0x3d) //进入设置与确认功能 { if(staSystem == E_NORMAL) { //在主界面时进入设置界面 staSystem = E_SET_TIME; Setsiz = 1; } else if(staSystem == E_SET_TIME) { staSystem = E_NORMAL; Setsiz = 0; } } if(keycode == 0x2d) //调整设置位 { if(staSystem == E_SET_TIME) { Setsiz++; if(Setsiz>=12) //Setsiz决定哪个位调整，秒个位为第一位 Setsiz = 1; } } if(keycode == 0x25) //递增一个BCD码 { IncSetTime(); } if(keycode == 0x24) { ExitTimeSet(); } } /************************************************************* 递增时间设置 ********************************************************/ void IncSetTime() { switch(Setsiz) { case 1: bufTime.sec = BcdTimeUp(bufTime.sec,0); break; case 2: bufTime.sec = BcdTimeUp(bufTime.sec,1); break; case 3: bufTime.min = BcdTimeUp(bufTime.min,0); break; case 4: bufTime.min = BcdTimeUp(bufTime.min,1); break; case 5: bufTime.hour = BcdTimeUp(bufTime.hour,0); break; case 6: bufTime.hour = BcdTimeUp(bufTime.hour,1); break; case 7: bufTime.mon = BcdTimeUp(bufTime.mon,1); break; case 8: bufTime.mon = BcdTimeUp(bufTime.mon,0); break; case 9: bufTime.day = BcdTimeUp(bufTime.day,1); break; case 10: bufTime.day = BcdTimeUp(bufTime.day,0); break; case 11: bufTime.week = BcdWeekUp(bufTime.week); break; default: break; } TimeBcdseparate(); //分解BCD码 } /****************************************************** 退出时间设置状态 *******************************************************/ void ExitTimeSet() { Setsiz = 0; //需保存时即把当前设置时间写入DS1302 DS1302SingleWrite(7,0x00); SetRealTime(&bufTime); staSystem = E_NORMAL; } /*********************************** 函数功能：递增日期与时间一个BCD码 ***********************************/ unsigned char BcdTimeUp(unsigned char bcd,bit HL) { if(HL==0) //为零时写个位 { if((bcd&0x0F) >= 0x09) bcd &= 0xf0; else bcd += 0x01; } else if(HL==1) //为一时写十位 { if((bcd&0xf0) >= 0x90) bcd &= 0x0f; else bcd += 0x10; } return bcd; } /*********************************** 函数功能：递增星期一个BCD码 ***********************************/ unsigned char BcdWeekUp(unsigned char bcd) { if((bcd&0x0F) < 0x06) bcd += 0x01; else bcd &=0xf0; return bcd; } /************************************************************************ 时间设置界面显示 ***************************************************************************/ void RefreshTimeSetShow() { unsigned char i; for(i=7;i>0;i--) { //左一个点阵 if(Setsiz==6) { if(flag500ms==0) UnmberDat[0][i] = bignumber[Timebuf[6]][i]; //小时十位 else if(flag500ms==1) UnmberDat[0][i] = 0xf0; } else UnmberDat[0][i] = bignumber[Timebuf[6]][i]; //小时十位 if(Setsiz==5) { if(flag500ms==0) { UnmberDat[0][i] = (UnmberDat[0][i]<<4) | (bignumber[Timebuf[7]][i]>>1); //小时个位 UnmberDat[1][i] = bignumber[Timebuf[7]][i]<<7; //小时个位 } else if(flag500ms==1) { UnmberDat[0][i] = (UnmberDat[0][i]<<4) | 0x00; UnmberDat[1][i] = 0x00; } } else { UnmberDat[0][i] = (UnmberDat[0][i]<<4) | (bignumber[Timebuf[7]][i]>>1); //小时个位 UnmberDat[1][i] = bignumber[Timebuf[7]][i]<<7; //小时个位 } UnmberDat[0][i] = ~UnmberDat[0][i]; //第二个点阵 UnmberDat[1][i] = UnmberDat[1][i] | (bignumber[10][i]<<3); //隔点 if(Setsiz==4) { if(flag500ms==0) UnmberDat[1][i] = UnmberDat[1][i] | bignumber[Timebuf[8]][i]; // 分十位 else if(flag500ms==1) UnmberDat[1][i] = UnmberDat[1][i] | 0x00; } else UnmberDat[1][i] = UnmberDat[1][i] | bignumber[Timebuf[8]][i]; // 分十位 UnmberDat[1][i] = ~UnmberDat[1][i]; //第三个点阵 if(Setsiz==3) { if(flag500ms==0) UnmberDat[2][i] = bignumber[Timebuf[9]][i]<<3; //分个位 else if(flag500ms==1) UnmberDat[2][i] = 0x00; } else UnmberDat[2][i] = bignumber[Timebuf[9]][i]<<3; //分个位 UnmberDat[2][i] = UnmberDat[2][i] | (bignumber[10][i]>>1); //隔点; UnmberDat[2][i] = ~UnmberDat[2][i]; //第四个点阵 if(Setsiz==2) { if(flag500ms==0) UnmberDat[3][i] = smallnumber[Timebuf[10]][i]<<5; //秒十位 else if(flag500ms==1) UnmberDat[3][i] = 0x00; } else UnmberDat[3][i] = smallnumber[Timebuf[10]][i]<<5; //秒十位 if(Setsiz==1) { if(flag500ms==0) UnmberDat[3][i] = UnmberDat[3][i] | (smallnumber[Timebuf[11]][i]<<1); //秒个位 else if(flag500ms==1) UnmberDat[3][i] = UnmberDat[3][i] | 0x00; } else UnmberDat[3][i] = UnmberDat[3][i] | (smallnumber[Timebuf[11]][i]<<1); //秒个位 UnmberDat[3][i] = ~UnmberDat[3][i]; } } /****************************************************************** 日期设置显示 **********************************************************************/ void RefreshDataSetShow() { unsigned char i; for(i=7;i>0;i--) { if(Setsiz==7) { if(flag500ms==0) UnmberDat[0][i] = bignumber[Timebuf[2]][i]; //月十位 else if(flag500ms==1) UnmberDat[0][i] = 0xf0; } else UnmberDat[0][i] = bignumber[Timebuf[2]][i]; //月十位 if(Setsiz==8) { if(flag500ms==0) { UnmberDat[0][i] = (UnmberDat[0][i]<<4) | (bignumber[Timebuf[3]][i]>>1); //月个位 UnmberDat[1][i] = bignumber[Timebuf[3]][i]<<7; //月个位 } else if(flag500ms==1) { UnmberDat[0][i] = (UnmberDat[0][i]<<4) | 0x00; UnmberDat[1][i] = 0x00; } } else { UnmberD