风扇调速系统程序

#includecode unsigned char seg7code11= 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x40; /显示段码sbit TMDAT =P31; /DS18B20 的数据输入/输出脚DQ,根据情况设定sbit P2_7=P27;sbit P2_6=P26;sbit P2_5=P25;sbit jia=P24;sbit jian=P23;sbit di=P22;sbit zh=P21;sbit ga=P20;j=0;unsigned int sdata;/测量到的温度的整数部分/unsigned char xiaoshu1;/小数第一位/unsigned char xiaoshu2;/小数第二位/unsigned char xiaoshu;/两位小数bit fg=1; /温度正负标志/*显示延时程序*/void Delay(unsigned int tc)while( tc != 0 )unsigned int i;for(i=0; i80; i+);tc-;/延时部分/void yanshi (unsigned int count) unsigned char i;while(count-)for(i=0;i0;i-)for(j=100;j0;j-)for(k=248;k0;k-);/发送复位/void fashong (void) unsigned char i;TMDAT = 0; for(i=0;i103;i+);TMDAT = 1; for(i=0;i4;i+);bit tmrbit (void) /读一位/ unsigned int i;bit dat;TMDAT = 0;i+;TMDAT = 1;i+; i+; /微量延时 /dat = TMDAT;for(i=0;i8;i+);return (dat);unsigned char tmrbyte (void) /读一个字节unsigned char i,j,dat;dat = 0;for (i=1;i=8;i+) j = tmrbit(); dat = (j 1); return (dat);void tmwbyte (unsigned char dat) /写一个字节unsigned char j,i;bit testb;for (j=1;j 1;if (testb) TMDAT = 0; /写0i+; i+;TMDAT = 1;for(i=0;i8;i+); else TMDAT = 0; /写0for(i=0;i0x7f) /最高位为1 时温度是负a=a; b=b+1; /补码转换，取反加一fg=0; /读取温度为负时fg=0sdata = a/16+b*16; /整数部分/xiaoshu1 = (a&0x0f)*10/16; /小数第一位/xiaoshu2 = (a&0x0f)*100/16%10;/小数/xiaoshu=xiaoshu1*10+xiaoshu2; /小数void DS18B20PRO(void) tmstart();/yanshi(5); /如果是不断地读取的话可以不延tmrtemp(); /读取温度,执行完毕温度将存于void Led()if(fg=1) /温度为正时显示的数据 P2_7=0;P0=seg7codesdata/10; /输出十位Delay(8); P2=P2|0xf0;P2_6=0;P0=seg7codesdata%10|0x80; /输出个位Delay(8); P2=P2|0xf0; P2_5=0;P0=seg7codej%10|0x80; /输出延时位 Delay(4); P2=P2|0xf0;main()fg=1;while(1)if(jia=0)Delay(200);j+;if(jian=0)Delay(200);j-;DS18B20PRO();Led();if(di=0)Delay(200);P1=0xfe;if(zh=0)Delay(200);P1=0xfd;if(ga=0)Delay(200);P1=0xfb;风扇调速最终程序#includecode unsigned char seg7code11= 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x40; /显示段码sbit TMDAT =P31; /DS18B20 的数据输入/输出脚DQ,根据情况设定sbit P2_7=P27;sbit P2_6=P26;sbit P2_5=P25;sbit jia=P24;sbit jian=P23;sbit di=P22;sbit zh=P21;sbit ga=P20;unsigned int z=0;sbit q=P17;unsigned int sdata;/测量到的温度的整数部分/unsigned char xiaoshu1;/小数第一位/unsigned char xiaoshu2;/小数第二位/unsigned char xiaoshu;/两位小数bit fg=1; /温度正负标志/*显示延时程序*/void Delay(unsigned int tc)while( tc != 0 )unsigned int i;for(i=0; i80; i+);tc-;/延时部分/void yanshi (unsigned int count) unsigned char i;while(count-)for(i=0;i115;i+);/发送复位/void fashong (void) unsigned char i;TMDAT = 0; for(i=0;i103;i+);TMDAT = 1; for(i=0;i4;i+);bit tmrbit (void) /读一位/ unsigned int i;bit dat;TMDAT = 0;i+;TMDAT = 1;i+; i+; /微量延时 /dat = TMDAT;for(i=0;i8;i+);return (dat);unsigned char tmrbyte (void) /读一个字节unsigned char i,j,dat;dat = 0;for (i=1;i=8;i+) j = tmrbit(); dat = (j 1); return (dat);void tmwbyte (unsigned char dat) /写一个字节unsigned char j,i;bit testb;for (j=1;j 1;if (testb) TMDAT = 0; /写0i+; i+;TMDAT = 1;for(i=0;i8;i+); else TMDAT = 0; /写0for(i=0;i0x7f) /最高位为1 时温度是负a=a; b=b+1; /补码转换，取反加一fg=0; /读取温度为负时fg=0sdata = a/16+b*16; /整数部分/xiaoshu1 = (a&0x0f)*10/16; /小数第一位/xiaoshu2 = (a&0x0f)*100/16%10;/小数/xiaoshu=xiaoshu1*10+xiaoshu2; /小数void DS18B20PRO(void) tmstart();/yanshi(5); /如果是不断地读取的话可以不延tmrtemp(); /读取温度,执行完毕温度将存于void Led()if(fg=1) /温度为正时显示的数据 P2_7=0;P0=seg7codesdata/10; /输出十位Delay(8); P2=P2|0xf0;P2_6=0;P0=seg7codesdata%10|0x80; /输出个位Delay(8); P2=P2|0xf0; P2_5=0;P0=seg7codez%10|0x80; /输出延时位 Delay(4); P2=P2|0xf0;if(sdata30)P1=0xfe;if(sdata32)P1=0xfd;if(sdata34)P1=0xfb;void buzidong()void DS18B20PRO();void Led();DS18B20PRO();Led();if(di=0)Delay(200);P1=0xfe;if(zh=0)Delay(200);P1=0xfd;if(ga=0)Delay(200);P1=0xfb;void zidong()while(z-)void DS18B20PRO();void Led();unsigned char i,k;/for(y=30;y0;y-)for(i=12;i0;i-)/for(j=80;j0;j-)for(k=248;k0;k-)if(jia=0)Delay(200);z+;if(jian=0)Delay(200);z-;DS18B20PRO();Led();if(di=0)Delay(200);P1=0xfe;if(zh=0)Delay(200);P1=0xfd;if(ga=0)Delay(200);P1=0xfb;/*if(di=0)|(sdata30)Delay(200);P1=0xfe