gui_x_touch.c

来自「ARM_CORTEX-M3应用实例开发详解光盘」· C语言 代码 · 共 82 行

#include "..\APP\includes.h"



unsigned short int X,Y;

void GUI_TOUCH_X_ActivateX(void) {
}

void GUI_TOUCH_X_ActivateY(void) {
}


int  GUI_TOUCH_X_MeasureX(void) 
{
	unsigned char t=0,t1,count=0;
	unsigned short int databuffer[10]={5,7,9,3,2,6,4,0,3,1};//数据组
	unsigned short temp=0,X=0;	
 	
	while(/*GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_0)==0&&*/count<10)//循环读数10次
	{	   	  
		databuffer[count]=TPReadX();
		count++; 
	}  
	if(count==10)//一定要读到10次数据,否则丢弃
	{  
	    do//将数据X升序排列
		{	
			t1=0;		  
			for(t=0;t<count-1;t++)
			{
				if(databuffer[t]>databuffer[t+1])//升序排列
				{
					temp=databuffer[t+1];
					databuffer[t+1]=databuffer[t];
					databuffer[t]=temp;
					t1=1; 
				}  
			}
		}while(t1); 	    		 	 		  
		X=(databuffer[3]+databuffer[4]+databuffer[5])/3;	  
 
	}
	return(X);  
}

int  GUI_TOUCH_X_MeasureY(void) {
  	unsigned char t=0,t1,count=0;
	unsigned short int databuffer[10]={5,7,9,3,2,6,4,0,3,1};//数据组
	unsigned short temp=0,Y=0;	
 
    while(/*GPIO_ReadInputDataBit(GPIOB,GPIO_Pin_0)==0&&*/count<10)	//循环读数10次
	{	   	  
		databuffer[count]=TPReadY();
		count++;  
	}  
	if(count==10)//一定要读到10次数据,否则丢弃
	{  
	    do//将数据X升序排列
		{	
			t1=0;		  
			for(t=0;t<count-1;t++)
			{
				if(databuffer[t]>databuffer[t+1])//升序排列
				{
					temp=databuffer[t+1];
					databuffer[t+1]=databuffer[t];
					databuffer[t]=temp;
					t1=1; 
				}  
			}
		}while(t1); 	    		 	 		  
		Y=(databuffer[3]+databuffer[4]+databuffer[5])/3;	  
  
	}
	return(Y); 
}