51单片机课程设计-温度传感器

#include "configuration.h" /************ %BEEPER% EDIT BELOW ***************/ static unsigned char count=0,key=0;//定义计数变量及开关常量 unsigned char code SONG_TONE[]={212,212,190,212,159,169,212,212,190,212,142,159, 212,212,106,126,159,169,190,119,119,126,159,142,159,0};//乐谱音调 unsigned char code SONG_LONG[]={90,30,120,120,120,240,90,30,120,120,120,240, 90,30,120,120,120,120,240,90,30,120,120,120,240,0};//乐谱节奏 unsigned char code CharCode[]= { 0xc0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8, 0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E };//数码管断码 /*!---------------------------------------------------------------------------------------------------------------------- @fn void playsong() @brief Play HappyBirthday. This function automatically takes care of the beeper and play the HappyBirthday Currently it only play once at a time. Example: playsong(); Requires: - Definitions in SONG_TUNE & SONG_LONG are correct Promises: - beeper will play a song */ void playsong() { unsigned int i=0,j,k; while(SONG_LONG[i]!=0||SONG_TONE[i]!=0) { for(j=0;j<SONG_LONG[i]*20;j++) { AL=~AL; for(k=0;k<SONG_TONE[i]/3;k++); } LCMDelay(10); i++; } } /*!---------------------------------------------------------------------------------------------------------------------- @fn void Alarm() @brief set alarm. This function automatically set a Draw Marquee-LED Banner and give a beeper alarm in low frequency Example: Alarm(); Requires: - Definitions of P0 are correct Promises: - a Draw Marquee-LED Banner and give a beeper alarm will be given */ void Alarm() { AL=0; //蜂鸣器响 P0=0xFF; P0=0xFE; LCMDelay (50); P0=0xFD;//第一个灯亮11111110 LCMDelay (50); P0=0xFB;//第二个灯亮11111101 LCMDelay (50); P0=0xF7; //第三个灯亮11111011 LCMDelay (50); P0=0xEF;//第四个灯亮11110111 LCMDelay (50); P0=0xDF; //第五个灯亮11101111 LCMDelay (50); P0=0xBF;//第六个灯亮11011111 LCMDelay (50); P0=0x7F; //第七个灯亮10111111 LCMDelay (50); P0=0xFF;//第八个灯亮01111111 if(key==0)//判断开关状态 { count++;//计数+1 P1=CharCode[count];//数码管显示技数次数 key=1;//重置开关状态，停止计数 if(count>9) { count=0;//9次后清零 } } LCMDisplayString(1,0,"!!!!Warning !!!!"); } /*!---------------------------------------------------------------------------------------------------------------------- @fn void Alarm0() @brief set alarm. This function automatically set a Draw Marquee-LED Banner and give a beeper alarm in high frequency Example: Alarm(); Requires: - Definitions of P0 are correct Promises: - a Draw Marquee-LED Banner and give a beeper alarm will be given */ void Alarm0() { AL=0; P0=0xFF; LCMDelay (1000); AL=1; P0=0xFE; LCMDelay (100); P0=0xFD;//第一个灯亮11111110 LCMDelay (100); P0=0xFB;//第二个灯亮11111101 LCMDelay (100); P0=0xF7; //第三个灯亮11111011 LCMDelay (100); P0=0xEF;//第四个灯亮11110111 LCMDelay (100); P0=0xDF; //第五个灯亮11101111 LCMDelay (100); P0=0xBF;//第六个灯亮11011111 LCMDelay (100); P0=0x7F; //第七个灯亮10111111 LCMDelay (100); P0=0xFF;//第八个灯亮01111111 key=0;//将开关状态置零，便于下次计数判断 }