通过MC9S128上的502AT热敏电阻进行温度的检测与加热

<pre name="code" class="objc">#include <hidef.h>      /* common defines and macros */#include "derivative.h"      /* derivative-specific definitions */#define SDA PTT_PTT1   //数据口1#define SCLPTT_PTT0   //时钟#define DC  PTT_PTT3 #define RSTPTT_PTT2/******************************//*void delay(uint a){  uint b;  for(a;a>0;a--)    for(b=1000;b>0;b--);} */void InitAD(void) {       ATD0DIEN=0X00;  ATD0CTL1=0X20;  ATD0CTL2=0X40;  ATD0CTL3=0X8C;  ATD0CTL4=0X03;  ATD0CTL5=0X20;  }/********************************/const uint m[]={ 8829,8494,8166,7852,7552,7266,6992,6731,6481,6242,                    6013,5782,5581,5379,5185,5000,4821,4650,4487,4329,                    4170,4033,3894,3760,3631,3508,3390,3276,3167,3062,                    2962,2864,2770,2680,2593,2510,2429,2352,2278,2206,                    2138,2070,2006,1944,1884,1826,1771,1717,1665,1616,                     1568,1521,1476,1433,1391,1351,1312,1274,1238,1200,                     1169,1136,1104,1073,1043,1014,986,959,933,908};  const byte tab_num[][16]=                //数字字模{ {0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00},/*"0",0*/{0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00},/*"1",1*/{0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00},/*"2",2*/{0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00},/*"3",3*/{0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00},/*"4",4*/{0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00},/*"5",5*/{0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00},/*"6",6*/{0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00},/*"7",7*/{0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00},/*"8",8*/{0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00},/*"9",9*/};/*************************************/void wrdata(byte data){  byte i=8;  DC=1;  SCL=0;  while(i--){    if(data&0x80)      SDA=1;    else      SDA=0;    SCL=1;    _asm(nop);    SCL=0;    data<<=1;  }  }void wrcmd(byte cmd){  byte i=8;  DC=0;  SCL=0;  while(i--){    if(cmd&0x80)      SDA=1;    else      SDA=0;    SCL=1;    _asm(nop);    SCL=0;    cmd<<=1;  }}void set_xy(byte x,byte y){  wrcmd((y|0xb0));  wrcmd((x&0x0f));  wrcmd(((x&0xf0)>>4)|0x10);}void clear_oled(void)  {     byte page,x;   set_xy(0,0);    for(page=0;page<9;page++)    {        for(x=0;x<128;x++){wrdata(0x00);}        set_xy(0,page);    } }void init_oled(void){  DDRT=0XFF;  SCL=1;  RST=0;  _asm(nop);  _asm(nop);  RST=1;  wrcmd(0xae);  wrcmd(0xD5);  wrcmd(0x80);  wrcmd(0xA8);  wrcmd(0x3f);  wrcmd(0xd3);  wrcmd(0x00);  wrcmd(0x40);  wrcmd(0x8d);  wrcmd(0x14);  wrcmd(0x20);  wrcmd(0x02);  wrcmd(0xa1);  wrcmd(0xc8);  wrcmd(0xea);  wrcmd(0x12);  wrcmd(0x81);  wrcmd(0xef);  wrcmd(0xd9);  wrcmd(0xf1);  wrcmd(0xdb);  wrcmd(0x30);  wrcmd(0xa4);  wrcmd(0xa6);  wrcmd(0xaf);  clear_oled();}void display_num(byte x,byte y,byte w) {    byte c;    set_xy(x,y);    for(c=0;c<8;c++)   {  wrdata(tab_num[w][c]);  }    set_xy(x,y+1);    for(c=8;c<16;c++)  {  wrdata(tab_num[w][c]);  }}void main(void){  unsigned char v;  uint t,t1,t2,t3,t4,t5,x,t7,t8,t9,t10,t11;  ulong t6;  DDRT=0XFF;  DDRB=0XFF;  DDRP=0XFF;  InitAD();  init_oled();  for(;;) {     PTP_PTP3=0;     while(!ATD0STAT2L_CCF0){    ;}     v=ATD0DR0L;     t=(int)v;     t6=t*100000/(1023-t);     for(x=0;x<70;x++){      if(t6>m[x+1]&&t6<m[x]){       t3=x;       break;     }     }     t1=t/100;     t2=(t%100)/10;     t11=t%10;     t4=t6/1000;     t5=(t6%1000)/100;     t7=(t6%100)/10;     t8=t6%10;     t9=(t3/10)+1;     t10=t3%10;       display_num(16,0,t1);     display_num(24,0,t2);     display_num(32,0,t11);     display_num(16,3,t4);     display_num(24,3,t5);     display_num(32,3,t7);     display_num(40,3,t8);     display_num(16,5,t9);     display_num(24,5,t10);     _FEED_COP();   } }