LCD TouchScreen (LCD22)

http://www.waveshare.com/2.2inch-320x240-touch-lcd-a.htm

	Symbol	Discription	Function
1	GND	GND	GND
2
3	3.3V	3.3V Power Supply	3.3V Power Supply
4
5
6
7
8	X
9	X
10	X
11	X
12	X
13	X
14	X
15	X
16	X
17	X
18	X
19	T_IRQ
20	X
21	T_Busy
22	X
23	T_CS
24	X
25	T_DCLK
26	X
27	T_DIN
28	X
29	T_DOUT
30	X
31	RESET
32
33	MISO
34	X
35	SCK
36	X
37	CS
38
39	RS	Register Selection	RS = 1 : Data Register  RS = 0 : Instruction Register
40

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http://www.waveshare.com/wiki/2.2inch_320x240_Touch_LCD_(A)

#include <avr/io.h>

#include <util/delay.h>

#include "LTM022A69B.h"

#include "LCD_lib.h"

#include"touch.h"

unsigned char read_res ;

 typedef struct 

{

unsigned int  x;        //LCD麟coordinates

unsigned int  y;

unsigned long x_ad_val;     //ADC value

unsigned long y_ad_val;      

unsigned char  pen_status;//The pen of the state

 

}_touch_dot;

extern _touch_dot touch_dot;

void display_touch_debug()

{        //ADC results show

        lcd_display_string("READ SUCCESS:",BLACK,GREEN,1,3);

        lcd_display_number(14,3,read_res,6);

        lcd_display_string("X AD Val:",BLACK,GREEN,1,4);

        lcd_display_number(10,4,touch_dot.x_ad_val,6);

        lcd_display_string("Y AD Val:",BLACK,GREEN,1,5);

        lcd_display_number(10,5,touch_dot.y_ad_val,6);

        //Display coordinates

        lcd_display_string("X:",BLACK,GREEN,1,6);

        lcd_display_number(10,6,touch_dot.x,5);

        lcd_display_string("Y:",BLACK,GREEN,1,7);

        lcd_display_number(10,7,touch_dot.y,5);

}

int main(void)

{

unsigned int i;

DDRA=0XFF;

PORTA=0X00;

// DDRE |= (1<<PE4);

DDRE &= ~(1<<PE4);

PORTE &= ~(1<<PE4);

lcd_init();

        lcd_display_string( "experiment:Touch screen    ", BLACK, GREEN, 0, 0 );

        lcd_display_string( "CPU:ATMAGE128A-AU          ", BLACK, GREEN, 0, 1 );

        lcd_display_string( "www.WaveShare.net          ", BLACK, GREEN, 0, 2 );

// _delay_ms(5000);

while(1)

{

read_res=Read_Continue();

lcd_draw_bigdot(BLACK,(touch_dot.x-20),(touch_dot.y-2));

// for(i=0;i<100;i++)

// {

// lcd_draw_bigdot(BLACK,50,i);

// }

// lcd_draw_line(BLACK,0,0,20,20);

}

}