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کد:
/*****************************************************
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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