DC-DC преобразователь с 12 на 2,5 вольт

/*****************************************************
CVAVR V2.05
Chip type               : ATtiny13A
AVR Core Clock frequency: 9,600000 MHz
*****************************************************/

#include <tiny13a.h>


#define Rb_upr 51000 //Ohms
#define Rb_lwr 3600   //Ohms
#define Ub_max_adc ((110*(Rb_upr+Rb_lwr))/Rb_lwr) //=U_max*100, 16,68V*100
#define ADC_itn 8
#define ureg 25


unsigned char tmr0,tmr1,ADC1;
unsigned int tmr2;

enum {start, normal, lobat, cutoff** dev_state=start;


void t0_cfg()
**
 TCCR0A=0;
 TCCR0A|=1<<COM0A1|1<<WGM01|1<<WGM00;  //fast pwm, set at top
 TCCR0B|=1<<CS01|1<<CS00; // /64 586Hz pwm
 OCR0A=1; 
 TIMSK0|=1<<OCIE0A;
**
void ports_cfg()
**
 PORTB=0b11100000;
 DDRB =0b11111011;
**
void adc_cfg()
**
 ADMUX  |=1<<REFS0|1<<ADLAR|1;
 ADCSRA |=1<<ADEN|1<<ADSC|7; 
**
void adc_scan()
**
 static unsigned char ADC1_tmp [ADC_itn]; 
 unsigned int dtmp=0;
 unsigned char i = 0;


if(!ADCSRA.ADSC)
** 
  for (i=0; i<(ADC_itn-1); i++ ) {ADC1_tmp [i] = ADC1_tmp [i+1];**
  ADC1_tmp [(ADC_itn-1)] = ADCH;
  for (i=0; i<(ADC_itn); i++ ) ** dtmp += ADC1_tmp [i];**
  ADC1 = dtmp/ADC_itn; 
  ADCSRA |= 1<<ADSC;
**
**
unsigned char bat_detect()
**
 unsigned char tmp;  
 tmp=((unsigned long)ADC1*Ub_max_adc/(0xff*10));
   
 return tmp;
**

interrupt [TIM0_COMPA] void timer0_compa_isr(void)
**
 
    if(tmr0)tmr0--;
    if(tmr1)tmr1--;
    if(tmr2)tmr2--; 
    
    #asm("wdr")
   
**            

void main(void)
**
ports_cfg();
adc_cfg();
t0_cfg();


// Crystal Oscillator division factor: 1
#pragma optsize-
CLKPR=0x80;
CLKPR=0x00;
#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif
// Watchdog Timer Prescaler: OSC/2k
#pragma optsize-
WDTCR=0x18;
WDTCR=0x08;
#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif

#asm("sei")

while (1)
      **  
     // static bit trg0, trg1, trg2, trg3;
      unsigned char btmp;
           
       switch(dev_state)
       **
        case start:
        ** 
                
        tmr0=100;
        while(tmr0){adc_scan();**
        btmp=bat_detect();
        if(btmp>110)
          **
           while (OCR0A<(ureg*255/btmp)){if(!tmr1){OCR0A++; tmr1=1;****
          
          **
           else if(btmp>100){dev_state=lobat;**
            else dev_state=cutoff;
        **
        
        break;
        
        case normal:
        **
        adc_scan();
        btmp=bat_detect();
        if(btmp>110)
        **
        dev_state=normal;
            if((OCR0A<(ureg*255/btmp))&&(OCR0A<(255*30/100)))OCR0A++;
            else if(OCR0A>(ureg*255/btmp))OCR0A--;
        **
        else if(btmp>100){dev_state=lobat;**
        else dev_state=cutoff;    
        ** 
        break;
        
        case lobat:
        **
         tmr2=600;
         OCR0A=ureg*127/btmp;
         while(tmr2);
         tmr2=1200;
         OCR0A=ureg*255/btmp;
         while(tmr2); 
         
        adc_scan();
        btmp=bat_detect();
        if(btmp>110){dev_state=normal;**
        else if(btmp<90) dev_state=cutoff;  
        
        
        ** 
        break;
        
        case cutoff:
        **
         OCR0A=0;
         MCUCR|=1<<SE;
         #asm("sleep")
         adc_scan();
         btmp=bat_detect();
         if(btmp>110){dev_state=normal;**
         else if(btmp>100) dev_state=lobat;
         
        ** 
        break;    
       **
       

      **
**

/*****************************************************
/*****************************************************
CVAVR V2.05
Chip type               : ATtiny13A
AVR Core Clock frequency: 9,600000 MHz
*****************************************************/

#include <tiny13a.h>


#define Rb_upr 51000 //Ohms
#define Rb_lwr 3600   //Ohms
#define Ub_max_adc ((110*(Rb_upr+Rb_lwr))/Rb_lwr) //=U_max*100, 16,68V*100
#define ADC_itn 8
#define ureg 38


unsigned char tmr0,tmr1,ADC1;
unsigned int tmr2;

enum {start, normal, lobat, cutoff** dev_state=start;


void t0_cfg()
**
 TCCR0A=0;
 TCCR0A|=1<<COM0A1|1<<WGM01|1<<WGM00;  //fast pwm, set at top
 TCCR0B|=1<<CS01|1<<CS00; // /64 586Hz pwm
 OCR0A=1; 
 TIMSK0|=1<<OCIE0A;
**
void ports_cfg()
**
 PORTB=0b11100000;
 DDRB =0b11111011;
**
void adc_cfg()
**
 ADMUX  |=1<<REFS0|1<<ADLAR|1;
 ADCSRA |=1<<ADEN|1<<ADSC|7; 
**
void adc_scan()
**
 static unsigned char ADC1_tmp [ADC_itn]; 
 unsigned int dtmp=0;
 unsigned char i = 0;


if(!ADCSRA.ADSC)
** 
  for (i=0; i<(ADC_itn-1); i++ ) {ADC1_tmp [i] = ADC1_tmp [i+1];**
  ADC1_tmp [(ADC_itn-1)] = ADCH;
  for (i=0; i<(ADC_itn); i++ ) ** dtmp += ADC1_tmp [i];**
  ADC1 = dtmp/ADC_itn; 
  ADCSRA |= 1<<ADSC;
**
**

interrupt [TIM0_COMPA] void timer0_compa_isr(void)
**
    
    if(tmr0)tmr0--;
    if(tmr1)tmr1--;
    if(tmr2)tmr2--;
    
    
    #asm("wdr")
    
   
**            

void main(void)
**
ports_cfg();
adc_cfg();
t0_cfg();


// Crystal Oscillator division factor: 1
#pragma optsize-
CLKPR=0x80;
CLKPR=0x00;
#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif

#pragma optsize-
WDTCR=0x38;
WDTCR=0x28;
#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif

#asm("sei")


while (1)
      **  
          
       switch(dev_state)
       **
        case start:
        ** 
                
        tmr0=100;
        while(tmr0){adc_scan();**
        
        if(ADC1>170){while (OCR0A<(ureg*255/ADC1)){if(!tmr1){OCR0A++; tmr1=1;******
           else if(ADC1>150){dev_state=lobat;**
            else dev_state=cutoff;
        **
        
        break;
        
        case normal:
        **
        adc_scan();
        if(ADC1>170)
        **
            dev_state=normal;
            if((OCR0A<(ureg*255/ADC1)))OCR0A++;
            else if(OCR0A>(ureg*255/ADC1))OCR0A--;
        **
        else if(ADC1>150){dev_state=lobat;**
        else dev_state=cutoff;    
        ** 
        break;
        
        case lobat:
        **
         tmr2=600;
         OCR0A=ureg*127/ADC1;
         while(tmr2);
         tmr2=1200;
         OCR0A=ureg*255/ADC1;
         while(tmr2); 
         
        adc_scan();
        if(ADC1>170){dev_state=normal;**
        else if(ADC1<140) dev_state=cutoff; 
        
        
        ** 
        break;
        
        case cutoff:
        **
         TCCR0A&=~(1<<COM0A1);
         MCUCR|=1<<SE;
         #asm("sleep")
         adc_scan();
         if(ADC1>170){dev_state=normal;TCCR0A|=1<<COM0A1;**
         else if(ADC1>150){dev_state=lobat;TCCR0A|=1<<COM0A1;**
        ** 
        break;    
       **
       
      
      **
**