TEMP_LCD.rar_12864 LM35_LM35_lm35 12864

#include <PIC.h> /*#fuses INTRC_IO,NOWDT,NOPUT,NOMCLR,BROWNOUT,NOLVP,NOCPD,NOWRT,NODEBUG,NOPROTECT,CCPB3 #use delay (clock=8000000) #byte PORTA = 0x0005 #byte PORTB = 0x0006 #byte TRISA = 0x0085 #byte TRISB = 0x0086 #byte ANSEL = 0x009B #byte ADCON0 = 0x001F #byte ADCON1 = 0x009F #byte ADRESH = 0x001E #byte ADRESL = 0x009E #bit ADON = ADCON0.0 #bit GO_DONE = ADCON0.2 */ #define ON 1 #define OFF 0 #include "KS0108.c" #include "graphics.c" #include <math.h> float get_temperature(int1 channel); void main() { float temp; int8 length, str[5]={}; TRISA=0b00000011; //set RA0 and RA1 to input ANSEL=0b00000011; //set RA0 and RA1 to analog ADCON1=0b11000000; //setup adc glcd_init(on); glcd_fill(OFF); draw_background(); glcd_char(0, 26, 11, 1); glcd_char(0, 32, 12, 1); while(true) { temp=get_temperature(0); //get adc value from ADC channel 0 and convert it to temperature sprintf(str,"%4.1f",temp); //convert float value to string glcd_string(0,4,str,1); //and draw it on the screen length=(int8)((temp*2))+24; //then draw some graphics if(length>124) length=124; if(length<24) length=24; glcd_rect(24, 6, length, 19, 1, 1); glcd_rect(length+1, 6, 125, 19, 1, 0); temp=get_temperature(1); //same things to channel 1 sprintf(str,"%4.1f",temp); glcd_string(0,40,str,1); length=(int8)((temp*2))+24; if(length>124) length=124; if(length<24) length=24; glcd_rect(24, 44, length, 57, 1, 1); glcd_rect(length+1, 44, 125, 57, 1, 0); } } float get_temperature(int1 channel) { int16 value, sum1, sum2; int8 i, j; if(channel==0) ADCON0=0b01000000; //select adc channel 0 else ADCON0=0b01001000; //select adc channel 1 ADON=true; delay_us(100); sum2=0; for(j=0; j<8; j++) { sum1=0; for(i=0; i<8; i++) { GO_DONE=true; while(GO_DONE); value=make16(adresh,adresl); sum1+=value; delay_us(100); } sum1/=8; sum2+=sum1; } sum2/=8; ADON=false; return (float)sum2/2; }