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quocviet253 code mình đây bạn.
Code:
/*******************************************************
This program was created by the
CodeWizardAVR V3.12 Advanced
Automatic Program Generator
© Copyright 1998-2014 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
Project :
Version :
Date : 9/19/2016
Author :
Company :
Comments:
Chip type : ATmega8
Program type : Application
AVR Core Clock frequency: 16.000000 MHz
Memory model : Small
External RAM size : 0
Data Stack size : 256
*******************************************************/
#include <mega8.h>
#include <delay.h>
// Alphanumeric LCD functions
#include <alcd.h>
// Declare your global variables here
bit dir_flag = 1 ;
unsigned char bien_do = 50 ; //gia tri minimum là 0 và maximum là 100
unsigned int count_tb=0;
unsigned int temp;
unsigned int sin_table[] = {0,10,21,31,41,52,62,73,83,93,103,114,124,134,144,154,165,175,185,195,205,215,225,234,244,254,264,273,283,292,302,311,321,330,339,348,357,366,375,384,393,402,410,419,427,435,444,452,460,468,476,484,491,499,506,514,521,528,535,542,549,556,563,569,576,582,588,594,600,606,611,617,622,628,633,638,643,648,652,657,661,665,669,673,677,681,685,688,691,694,697,700,703,706,708,710,712,714,716,718,720,721,722,723,724,725,726,726,727,727,727,727,727,726,726,725,724,723,722,721,720,718,716,715,713,711,708,706,703,701,698,695,692,688,685,681,678,674,670,666,662,657,653,648,643,638,633,628,623,618,612,606,601,595,589,582,576,570,563,557,550,543,536,529,522,515,507,500,492,485,477,469,461,453,445,436,428,420,411,403,394,385,376,367,358,349,340,331,322,312,303,293,284,274,265,255,245,235,226,216,206,196,186,176,166,156,145,135,125,115,105,94,84,74,63,53,43,32,22,12};
//trinh con dieu chinh bien do sin theo %
void dieu_chinh (unsigned int a){
temp = sin_table[count_tb];
temp = (temp*a)/100 ;
}
// Timer1 overflow interrupt service routine
interrupt [TIM1_OVF] void timer1_ovf_isr(void)
{
// Place your code here
dieu_chinh(bien_do);
count_tb++ ;
if (dir_flag == 1) {
OCR1A = temp; //sin_table[count_tb];
// count_tb++ ;
if (count_tb >= 220) {
count_tb = 0 ;
PORTB.3 = 0 ;
delay_us(1) ; //deadtime khi dao chieu
PORTB.0 = 1 ;
dir_flag = ~dir_flag;
};
}
else {
OCR1B = temp; //sin_table[count_tb];
// count_tb++ ;
if (count_tb >= 220) {
count_tb = 0 ;
PORTB.0 = 0 ;
delay_us(1) ; //deadtime khi dao chieu
PORTB.3 = 1 ;
dir_flag = ~dir_flag;
};
}
}
#define FIRST_ADC_INPUT 0
#define LAST_ADC_INPUT 1
unsigned int adc_data[LAST_ADC_INPUT-FIRST_ADC_INPUT+1];
// Voltage Reference: AREF pin
#define ADC_VREF_TYPE ((0<<REFS1) | (0<<REFS0) | (0<<ADLAR))
// ADC interrupt service routine
// with auto input scanning
interrupt [ADC_INT] void adc_isr(void)
{
static unsigned char input_index=0;
// Read the AD conversion result
adc_data[input_index]=ADCW;
// Select next ADC input
if (++input_index > (LAST_ADC_INPUT-FIRST_ADC_INPUT))
input_index=0;
ADMUX=(FIRST_ADC_INPUT | ADC_VREF_TYPE)+input_index;
// Delay needed for the stabilization of the ADC input voltage
delay_us(10);
// Start the AD conversion
ADCSRA|=(1<<ADSC);
}
void hienthiso(unsigned int so, char x, char y)
{
unsigned char nghin,tram,chuc,dv;
nghin=so/1000;
tram=(so%1000)/100;
chuc=(so%100)/10;
dv=so%10;
lcd_gotoxy(x,y);
lcd_putchar(nghin+48);
lcd_putchar(tram+48);
lcd_putchar(chuc+48);
lcd_putchar(dv+48);
}
void main(void)
{
// Declare your local variables here
// Input/Output Ports initialization
// Port B initialization
// Function: Bit7=In Bit6=In Bit5=In Bit4=Out Bit3=Out Bit2=Out Bit1=Out Bit0=Out
DDRB=(0<<DDB7) | (0<<DDB6) | (0<<DDB5) | (1<<DDB4) | (1<<DDB3) | (1<<DDB2) | (1<<DDB1) | (1<<DDB0);
// State: Bit7=T Bit6=T Bit5=T Bit4=1 Bit3=1 Bit2=1 Bit1=1 Bit0=1
PORTB=(0<<PORTB7) | (0<<PORTB6) | (0<<PORTB5) | (1<<PORTB4) | (1<<PORTB3) | (1<<PORTB2) | (1<<PORTB1) | (1<<PORTB0);
// Port C initialization
// Function: Bit6=In Bit5=Out Bit4=In Bit3=In Bit2=In Bit1=In Bit0=In
DDRC=(0<<DDC6) | (1<<DDC5) | (0<<DDC4) | (0<<DDC3) | (0<<DDC2) | (0<<DDC1) | (0<<DDC0);
// State: Bit6=T Bit5=1 Bit4=P Bit3=P Bit2=P Bit1=T Bit0=T
PORTC=(0<<PORTC6) | (1<<PORTC5) | (1<<PORTC4) | (1<<PORTC3) | (1<<PORTC2) | (0<<PORTC1) | (0<<PORTC0);
// Port D initialization
// Function: Bit7=Out Bit6=Out Bit5=Out Bit4=Out Bit3=Out Bit2=Out Bit1=Out Bit0=Out
DDRD=(1<<DDD7) | (1<<DDD6) | (1<<DDD5) | (1<<DDD4) | (1<<DDD3) | (1<<DDD2) | (1<<DDD1) | (1<<DDD0);
// State: Bit7=1 Bit6=1 Bit5=1 Bit4=1 Bit3=1 Bit2=1 Bit1=1 Bit0=1
PORTD=(1<<PORTD7) | (1<<PORTD6) | (1<<PORTD5) | (1<<PORTD4) | (1<<PORTD3) | (1<<PORTD2) | (1<<PORTD1) | (1<<PORTD0);
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
TCCR0=(0<<CS02) | (0<<CS01) | (0<<CS00);
TCNT0=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: 16000.000 kHz
// Mode: Fast PWM top=ICR1
// OC1A output: Non-Inverted PWM
// OC1B output: Non-Inverted PWM
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer Period: 0.0455 ms
// Output Pulse(s):
// OC1A Period: 0.0455 ms Width: 0 us
// OC1B Period: 0.0455 ms Width: 0 us
// Timer1 Overflow Interrupt: On
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=(1<<COM1A1) | (0<<COM1A0) | (1<<COM1B1) | (0<<COM1B0) | (1<<WGM11) | (0<<WGM10);
TCCR1B=(0<<ICNC1) | (0<<ICES1) | (1<<WGM13) | (1<<WGM12) | (0<<CS12) | (0<<CS11) | (1<<CS10);
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x02;
ICR1L=0xD7;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer2 Stopped
// Mode: Normal top=0xFF
// OC2 output: Disconnected
ASSR=0<<AS2;
TCCR2=(0<<PWM2) | (0<<COM21) | (0<<COM20) | (0<<CTC2) | (0<<CS22) | (0<<CS21) | (0<<CS20);
TCNT2=0x00;
OCR2=0x00;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=(0<<OCIE2) | (0<<TOIE2) | (0<<TICIE1) | (0<<OCIE1A) | (0<<OCIE1B) | (1<<TOIE1) | (0<<TOIE0);
// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
MCUCR=(0<<ISC11) | (0<<ISC10) | (0<<ISC01) | (0<<ISC00);
// USART initialization
// USART disabled
UCSRB=(0<<RXCIE) | (0<<TXCIE) | (0<<UDRIE) | (0<<RXEN) | (0<<TXEN) | (0<<UCSZ2) | (0<<RXB8) | (0<<TXB8);
// Analog Comparator initialization
// Analog Comparator: Off
// The Analog Comparator's positive input is
// connected to the AIN0 pin
// The Analog Comparator's negative input is
// connected to the AIN1 pin
ACSR=(1<<ACD) | (0<<ACBG) | (0<<ACO) | (0<<ACI) | (0<<ACIE) | (0<<ACIC) | (0<<ACIS1) | (0<<ACIS0);
// ADC initialization
// ADC Clock frequency: 1000.000 kHz
// ADC Voltage Reference: AREF pin
ADMUX=FIRST_ADC_INPUT | ADC_VREF_TYPE;
ADCSRA=(1<<ADEN) | (1<<ADSC) | (0<<ADFR) | (0<<ADIF) | (1<<ADIE) | (1<<ADPS2) | (0<<ADPS1) | (0<<ADPS0);
SFIOR=(0<<ACME);
// SPI initialization
// SPI disabled
SPCR=(0<<SPIE) | (0<<SPE) | (0<<DORD) | (0<<MSTR) | (0<<CPOL) | (0<<CPHA) | (0<<SPR1) | (0<<SPR0);
// TWI initialization
// TWI disabled
TWCR=(0<<TWEA) | (0<<TWSTA) | (0<<TWSTO) | (0<<TWEN) | (0<<TWIE);
// Alphanumeric LCD initialization
// Connections are specified in the
// Project|Configure|C Compiler|Libraries|Alphanumeric LCD menu:
// RS - PORTD Bit 0
// RD - PORTD Bit 1
// EN - PORTD Bit 2
// D4 - PORTD Bit 4
// D5 - PORTD Bit 5
// D6 - PORTD Bit 6
// D7 - PORTD Bit 7
// Characters/line: 16
lcd_init(16);
// Global enable interrupts
#asm("sei")
while (1)
{
// Place your code here
hienthiso(adc_data[0],0,0);
hienthiso(adc_data[1],10,0);
OCR1A=adc_data[0];
OCR1B=adc_data[1];
}
}
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