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| #define LCD_RS_PIN PIN_B0;
#define LCD_RW_PIN PIN_B1;
#define LCD_ENABLE_PIN PIN_B2;
#define LCD_DATA4 PIN_B3;
#define LCD_DATA5 PIN_B4;
#define LCD_DATA6 PIN_B5;
#define LCD_DATA7 PIN_B6;
#include <16F877A.h>
#fuses HS,NOWDT,NOPROTECT,NOLVP
#use delay(clock = 8000000)
#include <lcd.c>
#use fast_io(D)
unsigned float Adc_values[5]; //ARRAY TO READ ADC VALUES
unsigned float voltage;
char A[15]; //CHARACTER ARRAY USED TO DISPLAY THE ADC VALUES
int k=0;
int x; //USED FOR BIT SHIFTING IN MOTOR PROGRAM
int i=0; //USED IN FILTERING OF THE DATA
int j=0;
float Intensity=0; //TEMPERATURE LEVEL VARIABLE
float Intensity1 = 0;
int flag=0;
void Motor(void){ //MOTOR DRIVER PROGRAM
x=0b00000001;
for (j = 0; j < 3000; j++){
PORTC = x;
x = x << 1;
Delay_ms(5);
if( x==0b00010000){
x=0b00000001;
}
}
}
void SettingSFRs(){
TRISA=0xFF;
TRISB.F0=1;
TRISD.F0=0; //Sets the PORTD for Indicating Lights
TRISD.F1=0;
TRISD.F2=0;
TRISD.F3=0;
PORTD.F4=1;
PORTD.F1=0;
PORTD.F2=0;
PORTD.F3=0;
PORTD.F4=0; //Ending Indicating Lights Settings
TRISC=0x00; //Sets PORTC as OUTPUT
ANSEL=0xFF; //Sets the pin0-7 of ADC as analog input
ANSELH=0x00; //Sets all other Analog Inputs to Digital
ADCON0= 0b01000111; //Initializing the ADC Converter
ADCON1 = 0x0E;
INTCON=0b10010000; //Setting INTCON for External Interrupt
C1ON_bit = 0; // Disable comparators
C2ON_bit = 0;
for (i = 0; i < 5; i++){
Adc_values[i] = Adc_values[i + 1];
}
}
void LCD(){
LCD_Init();
Lcd_Cmd(_LCD_CURSOR_OFF);
Lcd_Out(1,4,"WELCOME");
Lcd_Out(2,4,"GROUP # 4");
Delay_ms(1000);
Lcd_Cmd(_LCD_CLEAR);
}
void ReadValues(){
Lcd_Cmd(_LCD_CURSOR_OFF);
for (i = 0; i < 4; i++){
Adc_values[i] = Adc_values[i + 1];
}
Adc_values[4] = adc_Read(1);
Delay_ms(200);
voltage = 0;
for (i = 0; i < 5; i++){
voltage += Adc_values[i];
}
voltage /= 5;
if(PORTD.F4==1){
Intensity=voltage/212.88;
if ((Intensity1 + 0.250) > Intensity || (Intensity1 - 0.250) < Intensity ) {
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,3,"VOLTAGE");
Lcd_Out(2,15,"V");
Lcd_Out(2,4,A);
}
}
if(PORTD.F4==0){
Intensity=voltage/1.9679;
if ((Intensity1 + 0.250) > Intensity || (Intensity1 - 0.250) < Intensity ) {
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,3,"TEMPERATURE");
Lcd_Out(2,14,"C");
Lcd_Out(2,4,A);
}
}
floatToStr(Intensity, A);
Intensity1 = Intensity;
Lcd_Out(2,4,A);
}
void interrupt (){
if(INTCON.INTF==1){
INTCON.INTE=0;
flag=1;
INTCON.INTE=1;
INTCON.INTF=0;
}
}
void IndicatingLights(){
if(Intensity>0 && Intensity<2){
PORTD.F0=1;
PORTD.F1=0;
PORTD.F2=0;
}
if(Intensity>2 && Intensity<4){
PORTD.F0=0;
PORTD.F1=1;
PORTD.F2=0;
}
if(Intensity>4&& Intensity<6 ){
PORTD.F0=0;
PORTD.F1=0;
PORTD.F2=1;
}
if(Intensity>15 && Intensity<20){
PORTD.F0=1;
PORTD.F1=0;
PORTD.F2=0;
}
if(Intensity>20 && Intensity<25){
PORTD.F0=0;
PORTD.F1=1;
PORTD.F2=0;
}
if(Intensity>25){
PORTD.F0=0;
PORTD.F1=0;
PORTD.F2=1;
}
}
void main() {
SettingSFRs();
LCD();
while(1){
PORTD.F3=~PORTD.F3;
if(flag==1){
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"MOTOR RUNNING");
Motor();
flag=0;
}
ReadValues();
IndicatingLights();
}
} |