| 0,0 → 1,121 |
|---|
| /* mija 2009 |
| |
| SW pro ATmega8 mereni + regulace teploty |
| Fosc = 8192000Hz externi krystal |
| |
| ver.: 0.0 - start |
| */ |
| |
| #include <avr/io.h> |
| #include <avr/interrupt.h> |
| #include <util/delay.h> |
| #include <avr/eeprom.h> |
| #include "reflow.h" |
| #include "lcd.h" // musi se definovat PINy LCD |
| #include "key.h" // musi se definovat PINy Tlacitek |
| #include "clock.h" // typ promenne Clockt_t |
| #include "process.h" // musi se definovat PIN topeni |
| |
| //************************************************************* |
| // delay + interrupt |
| |
| void delay_ms(uint16_t time) |
| { |
| while (time --) _delay_ms(1); |
| } |
| |
| volatile static uint8_t ClockTik8ms=125; |
| |
| ISR(TIMER0_OVF_vect) //tik 8ms |
| { |
| if (ClockTik8ms) ClockTik8ms --; |
| } |
| |
| //************************************************************* |
| // gemeral cpu set |
| |
| void GeneralCpuInit(void) |
| { |
| //*** IO PIN *** init,setup |
| |
| //*** TIMER0 *** |
| // 256 prescaler |
| // overflow 8ms |
| // enable interrupt overflow |
| TCCR0 = _BV(CS02); |
| TIMSK |= _BV(TOIE0); |
| |
| //*** TIMER1 *** |
| |
| //*** TIMER2 *** |
| |
| //*** EXTERNAL INTERRUPT |
| |
| //*** USART *** |
| |
| //*** ADC *** |
| // input ADC2 (pin25 C2) |
| // external reference 2.5V |
| // clock adc 128k (div 64) |
| ADMUX = _BV(MUX1); |
| ADCSRA = _BV(ADEN) | _BV(ADSC) | _BV(ADPS1) | _BV(ADPS2); |
| } |
| |
| //************************************************************* |
| // analog read |
| |
| int16_t ReadAdc(void) |
| { |
| int16_t analog; |
| uint8_t a; |
| |
| analog = 0; |
| for (a=0;a<32;a++) |
| { |
| ADCSR &= ~(_BV(ADIF)); |
| ADCSR |= _BV(ADSC); |
| while (!(ADCSR & _BV(ADIF))); |
| analog += ADC; |
| } |
| return (analog >> 5 ); // prumer = analog/32 |
| } |
| |
| //************************************************************* |
| // main |
| |
| int main(void) |
| { |
| uint8_t proces = START; |
| char DisplBuffer[MAXDISPLBUFFER]; |
| Clockt_t clock; |
| uint16_t temp = 0; |
| uint8_t key = NOKEY; |
| |
| GeneralCpuInit(); |
| HeatInit(); |
| HeatOff(); |
| delay_ms(100); |
| LCD_init(); |
| KeyInit(); |
| ClockInit(0,0,0,&clock); |
| sei(); |
| |
| for (;;) |
| { |
| switch(proces) |
| { |
| case START: proces = ProcesStart(DisplBuffer,key,temp);break; |
| case SOLDER: proces = ProcesSolder(DisplBuffer,key,temp,&clock);break; |
| case POSITIV: proces = ProcesPositiv(DisplBuffer,key,temp,&clock);break; |
| case DRY: proces = ProcesDry(DisplBuffer,key,temp,&clock); break; |
| default: proces = START; |
| } |
| |
| if (DisplBuffer[0]) ProcesDispl(DisplBuffer); |
| |
| ProcesKey(&key); |
| ProcesClock((uint8_t *)&ClockTik8ms,&clock); |
| ProcesTemp(ReadAdc(),&temp); |
| } |
| return 0; |
| } |