1602+ds1302+stc89c52电子闹钟代码+pcb文件+电路图 -

#define _MAIN_C
#include "config.h"
#include "Lcd1602.h"
#include "keyboard.h"
#include "DS1302.h"
#include "DS18B20.h"
#include "Time.h"
#include "main.h"
bit flag2s = 0; //2s定时标志位
bit flag200ms = 0; //200ms定时标志
uint8 T0RH = 0; //T0重载值的高字节
uint8 T0RL = 0; //T0重载值的低字节
enum eStaSystem staSystem = E_NORMAL; //系统运行状态
uint8 code table[]={0x00,0x00,0x00,0x1F,0x00,0x00,0x00,0x00,
0x00,0x00,0x0E,0x00,0x00,0x1F,0x00,0x00,
0x00,0x00,0x0E,0x00,0x0E,0x00,0x1F,0x00,
0x00,0x1F,0x15,0x15,0x1B,0x11,0x1F,0x00,
0x00,0x1E,0x08,0x1E,0x0A,0x0A,0x0A,0x1F,
0x00,0x04,0x00,0x1F,0x0A,0x11,0x11,0x00,
0x00,0x1F,0x11,0x11,0x1F,0x11,0x11,0x1F,
0x00,0x04,0x0E,0x0E,0x0E,0x1F,0x00,0x0E };
void main()
{
uint8 ledsj=0;
EA = 1; //开总中断
ConfigTimer0(1); //配置T0定时1ms
InitDS1302(); //初始化实时时钟模块
InitLcd1602(); //初始化液晶模块
LED=0;
WriteROM();
Start18B20(); //启动首次温度转换
LcdShowStr(2, 0,"Zhao Wen jie");
LcdShowStr(0, 1,"Qichuangnaozhong");
while (!flag2s); //上电后延时2秒
flag2s = 0;
LcdClearScreen(); //液晶清屏
RefreshDate(1); //立即刷新日期显示
RefreshTemp(1); //立即刷新温度显示
RefreshTime(); //刷新当前时间
while (1) //进入主循环
{
KeyDriver(); //执行按键驱动
if (flag200ms) //每隔200ms执行以下分支
{
flag200ms = 0;
if (staSystem == E_NORMAL) //正常运行时刷新日期显示
{
AlarmMonitor(); //监控闹钟
if(key==0)
{
if(bakekey==0)
{
LcdClearScreen(); //液晶清
RefreshDate(1); //立即刷新日期显示
RefreshTemp(1); //立即刷新温度显示
bakekey=1;
}
if(bakekey==1)
{
RefreshTime(); //刷新当前时间
RefreshDate(0); //立即刷新日期
}
else
{
;;
}
}
else
{
LcdClearScreen(); //液晶清屏
RefreshAlarm();
}
}
}
if (flag2s) //每隔2s执行以下分支
{
flag2s = 0;
if (staSystem == E_NORMAL) //正常运行时刷新日期显示
{
ledsj++;
if(ledsj>=30)
{
ledsj=0;
LED=1;
}
RefreshTemp(0);
}
}
}
}
/* 温度刷新函数，读取当前温度并根据需要刷新液晶显示，
** ops-刷新选项：为0时只当温度变化才刷新，非0则立即刷新 */
void RefreshTemp(uint8 ops)
{
int16 temp;
uint8 pdata str[8];
static int16 backup = 0;
Get18B20Temp(&temp); //获取当前温度值16bit
Start18B20(); //启动下一次转换
temp >>= 4; //舍弃4bit小数位
if ((backup!=temp) || (ops!=0)) //按需要刷新液晶显示
{
if((temp>>7)&0x1f)
{
LcdShowChar(12, 1, '-');
temp=(uint8)temp<<5;
temp=~(temp)+1;
}
str[0] = (temp/10) + '0'; //十位转为ASCII码
str[1] = (temp%10) + '0'; //个位转为ASCII码
str[2] = 'C';
str[3] = '\0'; //字符串结束符
LcdShowStr(13, 1, str); //显示到液晶上
backup = temp; //刷新上次温度值
}
}
/* 配置并启动T0，ms-T0定时时间 */
void ConfigTimer0(uint16 ms)
{
uint32 tmp;
tmp = (SYS_MCLK*ms)/1000; //计算所需的计数值
tmp = 65536 - tmp; //计算定时器重载值
tmp = tmp + 33; //补偿中断响应延时造成的误差
T0RH = (uint8)(tmp>>8); //定时器重载值拆分为高低字节
T0RL = (uint8)tmp;
TMOD &= 0xF0; //清零T0的控制位
TMOD |= 0x01; //配置T0为模式1
TH0 = T0RH; //加载T0重载值
TL0 = T0RL;
ET0 = 1; //使能T0中断
TR0 = 1; //启动T0
}
/* T0中断服务函数，实现系统定时和按键扫描 */
void InterruptTimer0() interrupt 1
{
static uint8 tmr2s = 0;
static uint8 tmr200ms = 0;
TH0 = T0RH; //重新加载重载值
TL0 = T0RL;
tmr200ms++; //定时200ms
if (tmr200ms >= 200)
{
tmr200ms = 0;
flag200ms = 1;
tmr2s++; //定时2s
if (tmr2s >= 10)
{
tmr2s = 0;
flag2s = 1;
}
}
KeyScan(); //执行按键扫描
}
void WriteROM()
{
uint8 i=0;
LcdWriteCmd(0x40);
for(i=0;i<64;i++)
{
LcdWriteDat(table[i]);
}
}
其他子程序在附件中。

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