SSB-2180.rar_ssb-2180_电池管理

//ICC-AVR application builder : 2007/6/30 下 // Target : T13 // Crystal: 9.2160Mhz // Select internal 1.1V referenct--select channel 2 #include <iot13v.h> #include <macros.h> #define uchar unsigned char #define uint unsigned int uint AD_result; // save ad result; uint con_volt; uint discon_vlot; uchar Pro_Iso_flg; uchar always_on; uchar Short_Check_flg=0; uint timer[2]; uchar timer_dou=0; // desired value: 27uSec // actual value: 0.027mSec (99.5%) #pragma interrupt_handler timer0_ovf_isr:4 void timer0_ovf_isr (void) { TCNT0 =0x01; //reload counter value if(timer_dou++ > 250)//6750us { timer_dou=0; if(Pro_Iso_flg == 2) timer[0]++; if(Short_Check_flg == 1) { if(timer[1]++ > 10)//6 { timer[1]=0; Short_Check_flg=2; } } if(Short_Check_flg == 3) { if(timer[1]++ >= 2222) { Short_Check_flg=0; always_on=0; Pro_Iso_flg=0; } } } } uint sampling (void) { unsigned char AD_H,AD_L; ADCSRA|=0b01000000;//start convert while(ADCSRA & 0b01000000); AD_L=ADCL; AD_H=ADCH; return((uint)((AD_H<<8)+AD_L)); } // 1.1/1024=0.00107V 205.895/5.895=34.927*0.00107=0.03737 void AD_value (void) { AD_result=sampling()*37;//1024*1.0mV } void control (void) { if(Short_Check_flg != 3) { if (!(PINB & 0x08)) { if((AD_result > 16300) && (Pro_Iso_flg != 0)) { Pro_Iso_flg=0; TCCR0A=0x03; PORTB&=0XFE; //Clear PB0 Short_Check_flg=0; } else if ((AD_result > con_volt && AD_result < 15500) && (Pro_Iso_flg == 0)) // on >12.0 <14.0v { TCCR0A = 0x83; Pro_Iso_flg=1; always_on=0; timer[0]=0; Short_Check_flg=1; timer[1]=0; } else if((AD_result < discon_vlot) && (Pro_Iso_flg != 0)) //off <11.0v { Pro_Iso_flg=2; if(timer[0] >= 2222) { TCCR0A = 0x03; PORTB&=0XFE; //Clear PB0 Pro_Iso_flg=0; Short_Check_flg=0; } } else { always_on=0; } } else if((PINB&0x08) && (always_on == 0)) // all the time switch on { TCCR0A=0x83; always_on=1; Pro_Iso_flg=1; Short_Check_flg=1; timer[1]=0; timer[0]=2200; } } } void main (void) { MCUCR = 0x00; TIMSK0 = 0x00; //timer interrupt sources GIMSK = 0x00; //interrupt sources PORTB = 0x00; DDRB = 0x01; WDTCR=0x18;//disable watchdog WDTCR=0x00; //ADC initialize // Conversion time: 750uS ADCSRA = 0x00; //disable adc ADCMUX = 0x41; // Select internal 1.1V referenct--select channel 2 //ACSR = 0x80; ADCSRB = 0x00; ADCSRA=0b10000111;//division factor=128;adc interrupt disable;single mode //TIMER0 initialize - prescale:1 // WGM: PWM Fast // desired value: 25uSec // actual value: 0.027mSec (99.5%) TCCR0B = 0x00; //stop OCR0A = 18; OCR0B = 0xFF; TCNT0 = 0x01; //set count TCCR0A =0x03; TCCR0B = 0x01; //start timer MCUCR = 0x00; TIMSK0 = 0x02; //timer interrupt sources GIMSK = 0x00; //interrupt sources SEI(); //re-enable interrupts //all peripherals are now initialized PORTB&=0XFE; //Clear PB0 always_on=0; Pro_Iso_flg=0; while(1) { if(PINB&0x10) // Isolator { con_volt=13700; discon_vlot=12800; } else // Protector { con_volt=12980; discon_vlot=11850; } if(!(PINB&0x02) && (Short_Check_flg == 2)) { TCCR0A=0x03; PORTB&=0XFE; Short_Check_flg=3; always_on=0; Pro_Iso_flg=0; timer[1]=0; } AD_value(); control(); } }