新手---發個自己學習的小程式CVAVR寫的ADC+LCD 【恢复】
/*****************************************************This program was produced by the
CodeWizardAVR V1.24.5 Professional
Automatic Program Generator
?Copyright 1998-2005 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
e-mail:office@hpinfotech.com
Project :
Version :
Date : 2008/11/17
Author : F4CG
Company : F4CG
Comments:
Chip type : ATmega16
Program type : Application
Clock frequency : 8.000000 MHz
Memory model : Small
External SRAM size : 0
Data Stack size : 256
*****************************************************/
#include <mega16.h>
#include <stdlib.h>
// Alphanumeric LCD Module functions
#asm
.equ __lcd_port=0x15 ;PORTC
#endasm
#include <lcd.h>
// Standard Input/Output functions
#include <stdio.h>
#define FIRST_ADC_INPUT 0
#define LAST_ADC_INPUT 0
unsigned char adc_data;
#define ADC_VREF_TYPE 0x20
// ADC interrupt service routine
// with auto input scanning
char cvalue;
float fvalue;
char svalue;
interrupt void adc_isr(void)
{
register static unsigned char input_index=0;
// Read the 8 most significant bits
// of the AD conversion result
adc_data=ADCH;
// 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;
// Start the AD conversion
ADCSRA|=0x40;
cvalue = adc_data;
}
// 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=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
PORTC=0x00;
DDRC=0x00;
// Port D 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
PORTD=0x00;
DDRD=0x00;
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=FFh
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;
// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// INT2: Off
MCUCR=0x00;
MCUCSR=0x00;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;
// USART initialization
// Communication Parameters: 8 Data, 1 Stop, No Parity
// USART Receiver: On
// USART Transmitter: On
// USART Mode: Asynchronous
// USART Baud rate: 9600
UCSRA=0x00;
UCSRB=0x18;
UCSRC=0x86;
UBRRH=0x00;
UBRRL=0x33;
// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;
// ADC initialization
// ADC Clock frequency: 125.000 kHz
// ADC Voltage Reference: AREF pin
// ADC Auto Trigger Source: Free Running
// Only the 8 most significant bits of
// the AD conversion result are used
ADMUX=FIRST_ADC_INPUT|ADC_VREF_TYPE;
ADCSRA=0xEE;
SFIOR&=0x1F;
// LCD module initialization
lcd_init(16);
// Global enable interrupts
#asm("sei")
while (1)
{
// Place your code here
fvalue = (float)cvalue*5/255;
ftoa(fvalue,5,svalue);
lcd_putsf("V");
lcd_gotoxy(0,0);
lcd_puts(svalue);
};
}
Code,Hex,Proteus文件ourdev_502174.rar(文件大小:18K) (原文件名:adlcd.rar)
本贴被 dyh386 编辑过,最后修改时间：2008-11-17,17:30:19. 我来顶你！！！！！！！！！！！！嘿嘿！！！！！！！！！！ 我也顶顶你~ 我也顶顶你
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