电调程序下载_Word模板_6

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电调程序电调程序 //ICC-AVR application builder : 2005-3-23 10:23:44 // Target : M128 // Crystal: 16.000Mhz #include #include unsigned int up,down,a; unsigned int T; void port_init(void) { PORTA = 0xFF; DDRA = 0x00; PORTB = 0xFF; DDRB = 0xFF; PORTC = 0xFF; //m103 ...

电调程序 //ICC-AVR application builder : 2005-3-23 10:23:44 // Target : M128 // Crystal: 16.000Mhz #include #include unsigned int up,down,a; unsigned int T; void port_init(void) { PORTA = 0xFF; DDRA = 0x00; PORTB = 0xFF; DDRB = 0xFF; PORTC = 0xFF; //m103 output only DDRC = 0x00; PORTD = 0x00; DDRD = 0x00; PORTE = 0xFF; DDRE = 0x00; PORTF = 0xFF; DDRF = 0x00; PORTG = 0x1F; DDRG = 0x00; } //TIMER0 initialisation - prescale:64 // WGM: PWM Fast // desired value: 1.5KHz // actual value: 0.977KHz (-53.6%) void timer0_init(void) { TCCR0 = 0x00; //stop ASSR = 0x00; //set async mode TCNT0 = 0x00; //set count OCR0 = 0xFF; TCCR0 = 0x7C; //start timer } //TIMER1 initialisation - prescale:1 // WGM: 15) PWM fast, TOP=OCRnA // desired value: 1uSec // actual value: 1.000uSec (0.0%) void timer1_init(void) { TCCR1B = 0x00; //stop TCNT1H = 0xFF; //setup TCNT1L = 0xF1; OCR1AH = 0xFF; //OCR1AH = 0x29; OCR1AL = 0xFF; //OCR1AL = 0xA9; OCR1BH = 0x11; OCR1BL = 0x11; OCR1CH = 0x00; OCR1CL = 0x00; ICR1H = 0x00; ICR1L = 0x00; TCCR1A = 0x33; TCCR1B = 0xD9; //start Timer } #pragma interrupt_handler timer1_capt_isr:12 void timer1_capt_isr(void) { if((TCCR1B&0x40)==0) { down=ICR1L; //Read low byte first (important) down|=(int)ICR1H << 8; //Read high byte and shift into top byte T=down/16; //OCR1B=T; //if(T>=1000) //{T=1000;} //OCR0 = 254; a=T; //T=T-994; if(T<=994) OCR0=0x00; else if(T>=1994) OCR0=0xFF; else OCR0 = (T/3.921); // a=T/4; printf("T=%u,down=%u,a=%d\n",T,down,a); TCCR1B^=0x40; TIFR=(1<

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