test_key.c

来自「Taiwan sunplus develop spce3200, it is a」· C语言 代码 · 共 120 行

//====================================================================================
//File name:	Test_Key.c
//Function:		Key test
//Update:		V1.0 by wangtao <[e-mail]>
//====================================================================================
#include "SystemHeader.h"

#define		KEY_CNT		3										// Number of keys
#define		KEY_X		220										// The coordinates of the top-left corner of key icon
#define		KEY_Y		200
#define		KEY_H		20										// Length of key
#define		KEY_S		10										// Space of every two keys

short Test_Key(void)
{
	short x, y;
	short Ret = 0;
	int i;
	unsigned int KeyCode;
			
	*P_GPIO_CLK_CONF = C_GPIO_CLK_EN | C_GPIO_RST_DIS;
	*P_IOB_GPIO_SETUP |= 0x38380000;							 // Pull down IOB5, IOB4, and IOB3 for input
	*P_IOB_GPIO_SETUP &= ~0x00003800;
	*P_IOB_GPIO_SETUP |= 0x00000700;							 // Output via IOB2, IOB1, and IOB0; initialized to be low level
	*P_IOB_GPIO_SETUP &= ~0x00000007;
	
	TFT_SetBGColor(0x0001);
	TFT_SetWindow(0, 0, TFT_WIDTH-1, TFT_HEIGHT-1);

	TFT_SetBGColor(COLOR_WHITE);
	TFT_SetWindow(40, 40, 279, 169);
	TFT_SetColor(COLOR_RED);
	TFT_Rectangle(0, 0, 239, 129, PAINT_HOLLOW);
	TFT_SetColor(COLOR_BLUE);
	TFT_SetTextPos(30, 30);
	TFT_Print("Test the three keys on the board\n");
	TFT_SetTextPos(30, 60);
	TFT_Print("Click any position on the screen to return");

	TFT_SetBGColor(COLOR_BLACK);
	TFT_SetWindow(0, 0, TFT_WIDTH-1, TFT_HEIGHT-1);

	x = KEY_X;
	y = KEY_Y;
	TFT_SetColor(COLOR_CYAN);
	for(i=0; i<KEY_CNT; i++)
	{
		TFT_Rectangle(x, y, x+KEY_H-1, y+KEY_H-1, PAINT_HOLLOW);
		x += KEY_H+KEY_S;
	}

	x = KEY_X+2;
	y = KEY_Y+2;
	TFT_SetColor(COLOR_MAGENTA);
	for(i=0; i<KEY_CNT; i++)
	{
		TFT_Rectangle(x, y, x+KEY_H-5, y+KEY_H-5, PAINT_SOLID);
		x += KEY_H+KEY_S;
	}

	x = KEY_X + KEY_H/2;
	y = KEY_Y + KEY_H/2;
	TFT_SetColor(COLOR_WHITE);
	for(i=0; i<KEY_CNT; i++)
	{
		TFT_Circle(x, y, KEY_H/2-4, PAINT_SOLID);
		x += KEY_H+KEY_S;
	}
		
	KeyCode = 0x0000;
	while(1)
	{
		if((*P_IOB_GPIO_INPUT&0x3800) != KeyCode)
		{
			KeyCode = *P_IOB_GPIO_INPUT&0x3800;
			*P_IOB_GPIO_SETUP &= ~0x0007;
			*P_IOB_GPIO_SETUP |= KeyCode>>11;
			for(i=0; i<KEY_CNT; i++)
			{
				if(KeyCode & (0x0800<<i))
				{
					x = KEY_X+(KEY_H+KEY_S)*i+2;
					y = KEY_Y+2;
					TFT_SetColor(COLOR_GREEN);
					TFT_Rectangle(x, y, x+KEY_H-5, y+KEY_H-5, PAINT_SOLID);
					TFT_SetColor(COLOR_YELLOW);
					x = KEY_X+(KEY_H+KEY_S)*i+KEY_H/2;
					y = KEY_Y + KEY_H/2;
					TFT_Circle(x, y, KEY_H/2-4, PAINT_SOLID);
					Ret |= (0x01<<i);
				}
				else
				{
					x = KEY_X+(KEY_H+KEY_S)*i+2;
					y = KEY_Y+2;
					TFT_SetColor(COLOR_MAGENTA);
					TFT_Rectangle(x, y, x+KEY_H-5, y+KEY_H-5, PAINT_SOLID);
					TFT_SetColor(COLOR_WHITE);
					x = KEY_X+(KEY_H+KEY_S)*i+KEY_H/2;
					y = KEY_Y + KEY_H/2;
					TFT_Circle(x, y, KEY_H/2-4, PAINT_SOLID);
				}
			}	
		}
		Touch_Get(&x, &y);
		if(x!=-1)
		{
			for(i=0; i<1000000; i++);
			break;
		}
	}
	TFT_SetBGColor(0x0001);
	TFT_SetWindow(0, 0, TFT_WIDTH-1, TFT_HEIGHT-1);
	if(Ret == 0x07)
		Ret = 1;
	else
		Ret = 0;
	return Ret;
}