lcdtask.c

加速度采集器。基于ATMega16L.AVRSTUIDIO4

//lcdTask.c
#include "lcdTask.h"
#include <iom16v.h>
#include <macros.h>

//interface
extern unsigned short currentImpact;
extern unsigned short impactCounter;
extern unsigned char currentImpactUpdated;

void lcdTask(void)
{
 	 unsigned char lcdImpactUpdated = 0;
	 unsigned short lcdCurrentImpact;
	 unsigned short lcdImpactCounter;
 	 //read interface!!!
	 CLI();
	 if(currentImpactUpdated&0x01)
	 {
	  currentImpactUpdated &= ~0x01;
	  lcdImpactUpdated = 1;
	  lcdCurrentImpact = currentImpact;
	  lcdImpactCounter = impactCounter;
	 }
	 SEI();
	 
	 //Display
	 if (lcdImpactUpdated)
	 {
	   lcdWriteNumber(0,4,4,lcdImpactCounter);
	   lcdWriteNumber(1,4,4,lcdCurrentImpact);
	 }
}