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/***************************************************** This program was produced by the CodeWizardAVR V2.05.3 Standard Automatic Program Generator © Copyright 1998-2011 Pavel Haiduc, HP InfoTech s.r.l. http://www.hpinfotech.com Project : Version : Date : 8/31/2015 Author : John Company : reza Comments: Chip type : ATmega32A Program type : Application AVR Core Clock frequency: 2.000000 MHz Memory model : Small External RAM size : 0 Data Stack size : 512 *****************************************************/ #include <mega32a.h> #include <delay.h> unsigned char SegCounter=0; unsigned int SegNum=0; // Timer 0 overflow interrupt service routine interrupt [TIM0_OVF] void timer0_ovf_isr(void) { unsigned char SegBuf[10]={0xd7,0x11,0xcd,0x5d,0x1b,0x5e,0xde,0x17,0xdf,0x5f}; unsigned int Temp=0; // Reinitialize Timer 0 value TCNT0=0x64; SegCounter++; ` if(SegNum<10) { if(SegCounter==1) { PORTC=SegBuf[0]; PORTC.5=1; PORTD.0=0; PORTD.1=0; PORTD.2=1; PORTD.3=0; } else if(SegCounter==2) { Temp=SegNum%10; PORTC=SegBuf[Temp]; PORTD.0=0; PORTD.1=0; PORTD.2=0; PORTD.3=1; SegCounter=0; } } else if(SegNum<100) { if(SegCounter==1) { Temp=SegNum/10; PORTC=SegBuf[Temp]; PORTC.5=1; PORTD.0=0; PORTD.1=0; PORTD.2=1; PORTD.3=0; } else if(SegCounter==2) { Temp=SegNum%10; PORTC=SegBuf[Temp]; PORTD.0=0; PORTD.1=0; PORTD.2=0; PORTD.3=1; SegCounter=0; } } else if(SegNum<1000) { if(SegCounter==1) { Temp=SegNum/100; Temp=Temp%10; PORTC=SegBuf[Temp]; PORTD.0=0; PORTD.1=1; PORTD.2=0; PORTD.3=0; } else if(SegCounter==2) { Temp=SegNum/10; Temp=Temp%10; PORTC=SegBuf[Temp]; PORTD.0=0; PORTD.1=0; PORTD.2=1; PORTD.3=0; PORTC.5=1; } else if(SegCounter==3) { Temp=SegNum%10; PORTC=SegBuf[Temp]; PORTD.0=0; PORTD.1=0; PORTD.2=0; PORTD.3=1; SegCounter=0; } } else { if(SegCounter==1) { Temp=SegNum/1000; Temp=Temp%10; PORTC=SegBuf[Temp]; PORTD.0=1; PORTD.1=0; PORTD.2=0; PORTD.3=0; } else if(SegCounter==2) { Temp=SegNum/100; Temp=Temp%10; PORTC=SegBuf[Temp]; PORTD.0=0; PORTD.1=1; PORTD.2=0; PORTD.3=0; } else if(SegCounter==3) { Temp=SegNum/10; Temp=Temp%10; PORTC=SegBuf[Temp]; PORTC.5=1; PORTD.0=0; PORTD.1=0; PORTD.2=1; PORTD.3=0; } else if(SegCounter==4) { Temp=SegNum%10; PORTC=SegBuf[Temp]; PORTD.0=0; PORTD.1=0; PORTD.2=0; PORTD.3=1; SegCounter=0; } } } // Timer2 overflow interrupt service routine interrupt [TIM2_OVF] void timer2_ovf_isr(void) { // Reinitialize Timer2 value TCNT2=130; // Place your code here } // Voltage Reference: AVCC pin #define ADC_VREF_TYPE ((0<<REFS1) | (1<<REFS0) | (0<<ADLAR)) // Read the AD conversion result unsigned int read_adc(unsigned char adc_input) { ADMUX=adc_input | ADC_VREF_TYPE; // Delay needed for the stabilization of the ADC input voltage delay_us(10); // Start the AD conversion ADCSRA|=(1<<ADSC); // Wait for the AD conversion to complete while ((ADCSRA & (1<<ADIF))==0); ADCSRA|=(1<<ADIF); return ADCW; } // Declare your global variables here void main(void) { // Declare your local variables here // Input/Output Ports initialization // Port A initialization // Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In // State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T PORTA=0x00; DDRA=0x00; // Port B initialization // Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In // State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T PORTB=0x00; DDRB=0x00; // Port C initialization // Func7=Out Func6=Out Func5=Out Func4=Out Func3=Out Func2=Out Func1=Out Func0=Out // State7=0 State6=0 State5=0 State4=0 State3=0 State2=0 State1=0 State0=0 PORTC=0x00; DDRC=0xFF; // Port D initialization // Func7=In Func6=In Func5=In Func4=In Func3=Out Func2=Out Func1=Out Func0=Out // State7=T State6=T State5=T State4=T State3=0 State2=0 State1=0 State0=0 PORTD=0x00; DDRD=0xFF; // Timer/Counter 0 initialization // Clock source: System Clock // Clock value: 7.813 kHz // Mode: Normal top=0xFF // OC0 output: Disconnected TCCR0=0x03; TCNT0=0x64; OCR0=0x00; // Timer/Counter 2 initialization // Clock source: System Clock // Clock value: 250.000 kHz // Mode: Fast PWM top=0xFF // OC2 output: Non-Inverted PWM ASSR=0x00; TCCR2=0x6A; TCNT2=130; OCR2=0x00; // External Interrupt(s) initialization // INT0: Off // INT1: Off // INT2: Off MCUCR=0x00; MCUCSR=0x00; // Timer(s)/Counter(s) Interrupt(s) initialization TIMSK=0x40; // USART initialization // USART disabled UCSRB=0x00; // Analog Comparator initialization // Analog Comparator: Off // Analog Comparator Input Capture by Timer/Counter 1: Off ACSR=0x80; SFIOR=0x00; // ADC initialization // ADC Clock frequency: 500.000 kHz // ADC Voltage Reference: AVCC pin // ADC Auto Trigger Source: Free Running ADMUX=ADC_VREF_TYPE; ADCSRA=(1<<ADEN) | (0<<ADSC) | (1<<ADATE) | (0<<ADIF) | (0<<ADIE) | (0<<ADPS2) | (1<<ADPS1) | (0<<ADPS0); SFIOR=(0<<ADTS2) | (0<<ADTS1) | (0<<ADTS0); // SPI initialization // SPI disabled SPCR=0x00; // TWI initialization // TWI disabled TWCR=0x00; // Global enable interrupts #asm("sei") while (1) { // Place your code here SegNum=read_adc(1c); SegNum++; delay_ms(200); if(SegNum>9999) SegNum=0; //OCR2=165; } }
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