Termostat - Hightechrobo bin

C 25

Termostat By Hightechrobo on 16th July 2025 09:02:25 PM

#include <mega32.h>
#include <delay.h>
// Alphanumeric LCD functions
#include <alcd.h>
#include <stdio.h>
#include <delay.h>
#include <stdbool.h>
int t1,t2 ;
enum main_state{
select,
temp,
set}state;
int tempc = 0;
char str[17];
bool b1,b2,b3;
int bu_delay = 500;
int L,H;
/////////////////
#define bu1 PIND.0
#define bu2 PIND.1
#define bu3 PIND.2
// Declare your global variables here
unsigned int adc_data;
// Voltage Reference: AVCC pin
#define ADC_VREF_TYPE ((0<<REFS1) | (1<<REFS0) | (0<<ADLAR))
// ADC interrupt service routine
interrupt [ADC_INT] void adc_isr(void)
{
// Read the AD conversion result
adc_data=ADCW;
}
// Read the AD conversion result
// with noise canceling
unsigned int read_adc(unsigned char adc_input)
{
ADMUX=adc_input | ADC_VREF_TYPE;
// Delay needed for the stabilization of the ADC input voltage
delay_us(10);
#asm
in r30,mcucr
cbr r30,__sm_mask
sbr r30,__se_bit | __sm_adc_noise_red
out mcucr,r30
sleep
cbr r30,__se_bit
out mcucr,r30
#endasm
return adc_data;
}
void init();
void main(void)
{
init();
DDRC = 0x03;
DDRD = 0x00;
PORTD = 0x07;
while (1)
{
// Place your code here
//////////////////////////////timing
delay_ms(1);
t1++;
t2++;
/////////////////////////////timing
////////////////////////////get temp live and check temp
tempc = read_adc(0) * 0.488 ;
if(tempc > H){PORTC.0=1;}else{PORTC.0=0;}
if(tempc < L){PORTC.1=1;}else{PORTC.1=0;}
////////////////////////////get temp live
lcd_gotoxy(0,0);
///////////////////////////button
if (t1 > bu_delay) {
if (bu1 == 0) {
b1 = 1;
bu_delay = (bu_delay > 10) ? bu_delay-5 : 10;
t1 = 0;
}
else if (bu2 == 0) {
b2 = 1;
bu_delay = (bu_delay > 10) ? bu_delay-5 : 10;
t1 = 0;
}
else {
bu_delay = 50;
}
}
if(t2 > 100){if (bu3 == 0) { b3 = 1; t2 = 0;}}
///////////////////////////button
//////////////////////////display
switch(state){
case select:
lcd_puts("1.Temp");
lcd_gotoxy(0,1);
lcd_puts("2.set");
if(b1){state = temp;lcd_clear();b1=0;}
else if(b2){state = set;lcd_clear();b2=0;}
break;
case temp:
sprintf(str,"Temp = %3d%cC",tempc,223);
lcd_puts(str);
sprintf(str,"L:%02d%cC H:%02d%cC",L,223,H,223);
lcd_gotoxy(0,1);
lcd_puts(str);
if(b3){state = select;lcd_clear();b3=0;}
break;
case set:
sprintf(str,"L:%02d H:%02d",L,H);
lcd_puts(str);
if(b1){L = (L < 99) ? L+1 : 0;;b1=0;}
else if(b2){H = (H < 99) ? H+1 : 0;b2=0;}
else if(b3){state = select;lcd_clear();b3=0;}
break;
}
}
}
void init(){
// ADC initialization
// ADC Clock frequency: 62.500 kHz
// ADC Voltage Reference: AVCC pin
// ADC Auto Trigger Source: ADC Stopped
ADMUX=ADC_VREF_TYPE;
ADCSRA=(1<<ADEN) | (0<<ADSC) | (0<<ADATE) | (0<<ADIF) | (1<<ADIE) | (1<<ADPS2) | (1<<ADPS1) | (1<<ADPS0);
SFIOR=(0<<ADTS2) | (0<<ADTS1) | (0<<ADTS0);
// Alphanumeric LCD initialization
// Connections are specified in the
// Project|Configure|C Compiler|Libraries|Alphanumeric LCD menu:
// RS - PORTB Bit 1
// RD - PORTB Bit 2
// EN - PORTB Bit 3
// D4 - PORTB Bit 4
// D5 - PORTB Bit 5
// D6 - PORTB Bit 6
// D7 - PORTB Bit 7
// Characters/line: 16
lcd_init(16);
// Global enable interrupts
#asm("sei")
}

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#include <mega32.h>

#include <delay.h>

// Alphanumeric LCD functions
#include <alcd.h>
#include <stdio.h>
#include <delay.h>
#include <stdbool.h>

int t1,t2 ;
enum main_state{
    select,
    temp,
    set}state;
    
int tempc = 0;
char str[17];
bool b1,b2,b3;
int bu_delay = 500;

int L,H;

/////////////////
#define bu1 PIND.0 
#define bu2 PIND.1
#define bu3 PIND.2 
// Declare your global variables here

unsigned int adc_data;
// Voltage Reference: AVCC pin
#define ADC_VREF_TYPE ((0<<REFS1) | (1<<REFS0) | (0<<ADLAR))

// ADC interrupt service routine
interrupt [ADC_INT] void adc_isr(void)
{
// Read the AD conversion result
adc_data=ADCW;
}

// Read the AD conversion result
// with noise canceling
unsigned int read_adc(unsigned char adc_input)
{
ADMUX=adc_input | ADC_VREF_TYPE;
// Delay needed for the stabilization of the ADC input voltage
delay_us(10);
#asm
    in   r30,mcucr
    cbr  r30,__sm_mask
    sbr  r30,__se_bit | __sm_adc_noise_red
    out  mcucr,r30
    sleep
    cbr  r30,__se_bit
    out  mcucr,r30
#endasm
return adc_data;
}

void init();

void main(void)
{
init();
DDRC = 0x03;
DDRD = 0x00;
PORTD = 0x07;

while (1)
      {
      // Place your code here 
      //////////////////////////////timing 
      delay_ms(1);        
      t1++;
      t2++;
      /////////////////////////////timing   
      ////////////////////////////get temp live and check temp
      tempc = read_adc(0) * 0.488 ; 
      if(tempc > H){PORTC.0=1;}else{PORTC.0=0;}
      if(tempc < L){PORTC.1=1;}else{PORTC.1=0;}
      ////////////////////////////get temp live
      lcd_gotoxy(0,0);
      ///////////////////////////button 
       
        if (t1 > bu_delay) {
            if (bu1 == 0) {
            b1 = 1; 
            bu_delay = (bu_delay > 10) ? bu_delay-5 : 10;
            t1 = 0;
            } 
            else if (bu2 == 0) {
            b2 = 1;
            bu_delay = (bu_delay > 10) ? bu_delay-5 : 10; 
            t1 = 0;
            }  
            else {
            bu_delay = 50;
            }
        }
        if(t2 > 100){if (bu3 == 0) { b3 = 1; t2 = 0;}} 
      
      
      ///////////////////////////button
      //////////////////////////display
      switch(state){
        case select:
            lcd_puts("1.Temp");
            lcd_gotoxy(0,1);
            lcd_puts("2.set"); 
            
            if(b1){state = temp;lcd_clear();b1=0;}
            else if(b2){state = set;lcd_clear();b2=0;}
        break;  
        case temp:
            sprintf(str,"Temp = %3d%cC",tempc,223);
            lcd_puts(str); 
            sprintf(str,"L:%02d%cC  H:%02d%cC",L,223,H,223);
            lcd_gotoxy(0,1);
            lcd_puts(str);  
           if(b3){state = select;lcd_clear();b3=0;}
        break;
        case set:
            sprintf(str,"L:%02d  H:%02d",L,H);
            lcd_puts(str); 
            if(b1){L = (L < 99) ? L+1 : 0;;b1=0;}
            else if(b2){H = (H < 99) ? H+1 : 0;b2=0;}
            else if(b3){state = select;lcd_clear();b3=0;}
        break;
            
        }
      }
      
}

void init(){
// ADC initialization
// ADC Clock frequency: 62.500 kHz
// ADC Voltage Reference: AVCC pin
// ADC Auto Trigger Source: ADC Stopped
ADMUX=ADC_VREF_TYPE;
ADCSRA=(1<<ADEN) | (0<<ADSC) | (0<<ADATE) | (0<<ADIF) | (1<<ADIE) | (1<<ADPS2) | (1<<ADPS1) | (1<<ADPS0);
SFIOR=(0<<ADTS2) | (0<<ADTS1) | (0<<ADTS0);

// Alphanumeric LCD initialization
// Connections are specified in the
// Project|Configure|C Compiler|Libraries|Alphanumeric LCD menu:
// RS - PORTB Bit 1
// RD - PORTB Bit 2
// EN - PORTB Bit 3
// D4 - PORTB Bit 4
// D5 - PORTB Bit 5
// D6 - PORTB Bit 6
// D7 - PORTB Bit 7
// Characters/line: 16
lcd_init(16);

// Global enable interrupts
#asm("sei")
}