Ale C.- / Touch_Example

ADS7843 Controller Touch

Dependencies:   TouchADS7843

main.cpp@0:f014c3cdbc78, 2011-02-04 (annotated)

Committer:
Suky
Date:
Fri Feb 04 03:09:49 2011 +0000
Revision:
0:f014c3cdbc78

        

        
Who changed what in which revision?

        

            
                
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#include "mbed.h"





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#include "Touch.h"





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/* ********************************************************************** */





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#define TOUCH_X_MIN 30





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#define TOUCH_X_MAX 230





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#define TOUCH_Y_MIN 15





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#define TOUCH_Y_MAX 240





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/* ********************************************************************** */





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DigitalOut Led1(LED1);





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DigitalOut Led2(LED2);





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/* ********************************************************************** */





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TOUCH_DATA Coordenadas;





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volatile bool kbhit_irq=0;





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volatile bool kbhit_tratament=0;





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TouchScreenADS7843 MyTouch(p9,p10,p11,p12,p8); // ADS7843-> SDO,SDI,SCK,CS,IRQ





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/* ********************************************************************** */





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void vISRTouchIRQ(void){





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    UINT_COORDxy Temp;





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    MyTouch.vTestTouchPanel(&Coordenadas);





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    // Coordenadas dentro del rango de pantalla LCD:





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    if((Coordenadas.x>TOUCH_X_MIN && Coordenadas.x<TOUCH_X_MAX) && (Coordenadas.y>TOUCH_Y_MIN && Coordenadas.y<TOUCH_Y_MAX)){





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	    // Cambio de coordenada y escala:





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	    Temp=Coordenadas.y;





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	    Coordenadas.y=((float)((255-TOUCH_X_MIN)-Coordenadas.x)*(320.0/(TOUCH_X_MAX-TOUCH_X_MIN)));





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	    Coordenadas.x=((float)(Temp-TOUCH_Y_MIN)*(240.0/(TOUCH_Y_MAX-TOUCH_Y_MIN)));





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	    kbhit_irq=1;





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    }





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}





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int main(){





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	MyTouch.vInitADS7843(USE_8BITS,&vISRTouchIRQ);





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	Led1=0;





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	Led2=0;





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	while(1){





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		Led2=!Led2;





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		if(kbhit_irq==1){





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			kbhit_irq=0;





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			if((Coordenadas.x<235 && Coordenadas.x>135) && (Coordenadas.y<320 && Coordenadas.y>250)){





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				Led1=!Led1;





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			}





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		}





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		wait_ms(300);





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	}





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}