SOLAR CHARGE CONTROLLER

it was solar charge controller auto cutoff if bat ful and low.

Chip type : ATtiny13
AVR Core Clock frequency: 0.900000 MHz
Memory model : Tiny
External RAM size : 0
Data Stack size : 16
*****************************************************/
#include
#include
#define ADC_VREF_TYPE 0x00
#define FET PORTB.0
#define BTY_LOW PORTB.1
#define BTY_FULL PORTB.2
//***************************************************
unsigned int ADC_RESULT;
bit solar_flag,bty_full_flag,bty_low_flag;
unsigned char count;
//***************************************************
unsigned int read_adc(unsigned char adc_input)
{
ADMUX=adc_input (ADC_VREF_TYPE & 0xff);
delay_us(10);
ADCSRA=0x40;
while ((ADCSRA & 0x10)==0);
ADCSRA=0x10;
return ADCW;
}


void main(void)
{
#pragma optsize-
CLKPR=0x80;
CLKPR=0x00;
#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif
PORTB=0x00;
DDRB=0x07;
TCCR0A=0x00;
TCCR0B=0x00;
TCNT0=0x00;
OCR0A = 0;
OCR0B=0x00;
GIMSK=0x00;
MCUCR=0x00;
// Timer/Counter 0 Interrupt(s) initialization
TIMSK0=0x00;
// Analog Comparator initialization
// Analog Comparator: Off
ACSR=0x80;
ADCSRB=0x00;
DIDR0&=0x03;
DIDR0=0x00;
ADMUX=ADC_VREF_TYPE & 0xff;
ADCSRA=0x87;
while (1)
{delay_ms(100);
//-----------------------------------
ADC_RESULT = read_adc(3);
if(ADC_RESULT > 390)
{solar_flag = 1;
}
else if(ADC_RESULT < solar_flag =" 0;" adc_result =" read_adc(2);"> 515)
{bty_full_flag = 1;
}
else if(ADC_RESULT < bty_low_flag =" 1;" bty_full_flag =" 0;" tccr0a="0x00;" tccr0b="0x00;" ocr0a =" 0;" fet =" 0;" bty_full =" 1;" bty_full =" 0;">10)
{count = 0;
BTY_LOW = !BTY_LOW;
}
}
}
else
{if(bty_full_flag)
{BTY_FULL = 1;
}
else
{BTY_FULL = 0;
}
if( bty_low_flag)
{FET = 0;
TCCR0A=0x00;
TCCR0B=0x00;
OCR0A = 0;
BTY_LOW = 1;
}
else
{TCCR0A=0x83;
TCCR0B=0x03;
OCR0A = 50; //FET = 1;
BTY_LOW = 0;
}
}
};
}