ad2disp.c

用ICC编写的程序包括SPI

//ICC-AVR application builder : 2005-6-5 18:27:12
// Target : M16
// Crystal: 7.3728Mhz

#include <iom16v.h>
#include <macros.h>
#include "time.h"
#include "Display.h"
#include "key.h"
#include "ADC.h"

extern const unsigned char ADChannel;
extern unsigned int AdValue[8];
extern unsigned char AdP;
extern unsigned char time_flag;
extern unsigned char keyflag[4];
extern unsigned char AdFlag;
extern unsigned char pwm;

unsigned char  Itrans[4]={0,241,100,88};
void port_init(void)
{
 PORTA = 0xFF;
 DDRA  = 0x00;
 PORTB = 0xFF;
 DDRB  = 0x00;
 PORTC = 0xFF; //m103 output only
 DDRC  = 0x00;
 PORTD = 0xFF;
 DDRD  = 0x00;
}




//call this routine to initialise all peripherals
void init_devices(void)
{
 //stop errant interrupts until set up
 CLI(); //disable all interrupts
 port_init();
 timer1_init();
 disp_init();
 adc_init();
 timer2_init();
 

 MCUCR = 0x00;
 GICR  = 0x00;
 TIMSK = 0x40; //timer interrupt sources
 SEI(); //re-enable interrupts
 //all peripherals are now initialised
}

//
void main(void)
{
 unsigned char key=0;
 unsigned long result=0;
 
 
 init_devices();
 //insert your functional code here...
 while(1)
 {
  time_flag=0;
  AdFlag=0;
 
 adc_start();
 
 while(!AdFlag);
 pwm=(unsigned char)(AdValue[7]>>2);
 pwm_change(pwm);
 if(key)
 	{
	if(key==4)
		result=0;
	else
		{
		 result=(10*(long)AdValue[3]*Itrans[key])/AdValue[5];
		
		 }
		
	display((unsigned int)(result),0);
	}
 display(AdValue[3],1);
 display(AdValue[5],2);
 display(AdValue[7]*5,3);
 
 while(!time_flag)
 key=ReadKey();
 
 }
}