show_char.c~

嵌入式计算系统-走迷宫 通过LCD显示地图和汽车

/*
 *	test.c  ---	Primary header file for 
 *				LCD Device Driver with Framebuffer
 *	(C)opyright 2004 Bit 920 Labs
 *
 *	Written by: Tangliting <[e-mail]>
 *	Created on: Sat. Mar 7 14:33:45 GMT +8:00 2004
 */

#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <string.h>
#include <linux/fb.h>
#include <linux/kd.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <termios.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include "keyboard_zlg.h"
//#include "lcd.h"
#include "lcd.c"
#include "ascii.lib"
FILE *hzkFile = NULL;
short all;
short xx,yy;
// Default file name of configuration
#define TOUCHSCREEN_CONF	"./touchscreen.conf"
#define TOUCHSCREEN_DEV		"/dev/touchscreen/0"

// TouchScreen input data structure
typedef struct
{
	unsigned short pressure;
	unsigned short y;
	unsigned short x;
	unsigned short pad;
} ts_event_t;  

// TouchScreen configuration structure
typedef struct
{
	unsigned int xFactor;
	unsigned int yFactor;
	unsigned int xOffset;
	unsigned int yOffset;
	unsigned char scale;
} TS_CONFIG;

// Common data type definitions
typedef unsigned int	U32;
typedef unsigned short	U16;
typedef unsigned char	U8;
typedef int				S32;
typedef short			S16;
typedef char			S8;

// Screen rectangle structure
typedef struct
{
	S32 left;
	S32 right;
	S32 top;
	S32 bottom;
} RECT, * P_RECT;

// Screen point structure
typedef struct
{
	unsigned short x;
	unsigned short y;
} Point;


int touchscreen_fd =  0;		/* touch screen device handle */
TS_CONFIG	tsConfig;		/* touch screen configuration data */
ts_event_t	current_data;
unsigned short x1_max, y1_max;

S16 _ConvertX(U16 x);
S16 _ConvertY(U16 y);

// Retrieve an average data from touch screen input device
int _GetPenDataAvg(int ts_handler, ts_event_t * ts_avg, unsigned short max_num)
{
	ts_event_t *tmpDataArr;
	unsigned short bp;
	unsigned short count;
	long tempX, tempY;
	int ret;
	// Allocate a buffer for input data
	tmpDataArr = (ts_event_t *)malloc(2 * sizeof(ts_event_t));
	if (tmpDataArr == NULL)
	{
		printf("Error: malloc failed.\n");
		return -1;
	}

	// Read a set of data into buffer
	count = 0;
	do
	{
                bp = 0;
		while (1)
		{
			if(bp>1)
			{
				if(max_num > abs(tmpDataArr[bp-2].x-tmpDataArr[bp-1].x) && 
				   max_num > abs(tmpDataArr[bp-2].y-tmpDataArr[bp-1].y))
				{
				//	printf("tmpDataArr[bp-1]=%d\n",tmpDataArr[bp-1].pressure);
					break;
				}
				else
					bp=0;	
			}
			//printf("before read, ts_handler is %d\n",ts_handler);
			//printf("bp=%d\n",bp);
			ret = read(ts_handler, &tmpDataArr[bp], sizeof(ts_event_t));
			//printf("ret =%d, sizeof(ts_event_t)=%d\n",ret,sizeof(ts_event_t));
	//		 printf("x = 0x%4x, y = 0x%4x, Press = 0x%4x\n", tmpDataArr[bp].x, 
	//				 				   tmpDataArr[bp].y, 
	//				 				   tmpDataArr[bp].pressure);
			bp++;
		}//while
		count=bp;
	} while (count == 0);

	tempX =	tempY = 0;
	for (bp = 0; bp < count; bp++)
	{
		tempX += tmpDataArr[bp].x;
		tempY += tmpDataArr[bp].y;
	}

	// Calculate an average value
        ts_avg->x = tempX / count;
	ts_avg->y = tempY / count;
	ts_avg->pressure = tmpDataArr[1].pressure;
//	printf("%d\n",tmpDataArr[1].pressure);	
	// Release
	free(tmpDataArr);
}

// Convert touch screen point to Screen Point
S16 _TouchpadConvertLCD(U16 value, U32 factor, U32 offset)
{
	S32 temp;
	temp = value;
	temp -= offset;
	  
	if ( temp < 0)
	{
		/*  outside LCD area  ...  */
		temp = -temp;
	}
	return ((S16)((temp * factor) >> tsConfig.scale));
}

// Convert X-coordinate
S16 _ConvertX(U16 x)
{
	return _TouchpadConvertLCD(x, tsConfig.xFactor, tsConfig.xOffset);
}

// Convert Y-coordinate
S16 _ConvertY(U16 y)//**************************************//
{
	//y = 4240 - y;
	return _TouchpadConvertLCD(y, tsConfig.yFactor, tsConfig.yOffset);// + 16;
}
int check(int x,int y, RECT range)
{
	//printf("%d %d %d %d \n",range.left,range.right,range.top,range.bottom);
	//printf("%d %d ",x,y);
	//printf("\n\n");
	if(x < range.left || x > range.right)	
		return 1;
	if(y > range.bottom || y < range.top)
		return 1;
	return 0;
}
Point get_ts_xy(int ts_handler,int max_x,int max_y)
{
	Point temp;
	//printf("before of function _GetPenDataAvg\n");
      	_GetPenDataAvg(ts_handler, &current_data, 50);//max_num=10
	//printf("out of function _GetPenDataAvg\n");
	//printf("current_data.x = %d\n",  current_data.x);
	//printf("current_data.y = %d\n",  current_data.y);
	
	temp.x = _ConvertX(current_data.x);  
	temp.y = abs(480-_ConvertY(current_data.y));
	printf("you click: x = %d, y = %d",temp.x,temp.y);
	printf("\n\n");

	return temp;
}
void DrawCharEN(short x, short y, unsigned char c, ColorType color)
{
	unsigned char codes[16];
	short i;

	for (i = 0; i < 16; i++)
		codes[i] = ascii_codes[c][i];
	
	fb_Text_8x16(x, y, codes, color);
}

void DrawCharCHS(int x, int y, unsigned char c[2], ColorType color)
{
	unsigned char codes[32];
	short i;
	unsigned char ch, cl;
	unsigned long offset;

	if (hzkFile == NULL)
	{
		printf("No Chinese Character Library opened.\n");

		exit(1);
	}

	ch = c[0];
	cl = c[1];

	offset = ((ch - 0xa1) * 94L + (cl - 0xa1)) * 32L;

	fseek(hzkFile, offset, SEEK_SET);
	fread(codes, 32, 1, hzkFile);	

	fb_Text_16x16(x, y, codes, color);
}


void DRAWGRAPH()
{FILE *fp;
int i,j,a;

 fb_DrawRect(4, 4,636, 456, GRAY);

fp=fopen("mazepath.txt","r");
for(i=0;i<21;i++)
  for(j=0;j<15;j++)
  {fscanf(fp,"%d ",&a);
if(a==-1)
  fb_FillRect(5+i*30, 5+j*30,5+(i+1)*30, 5+(j+1)*30, GRAY);
if(a==1)
  fb_FillRect(5+i*30, 5+j*30,5+(i+1)*30, 5+(j+1)*30, RED);xx=i;yy=j;

   }
  fclose(fp);
    
}
void DRAWGRAPHs( short x, short y)
{ fb_Clear(SYS_BLACK);
  DRAWGRAPH();
fb_FillRect(5+x, 5+y, 35+x, 35+y, BLUE);
}

unsigned short amme(unsigned short x,unsigned short y)
{FILE *fp;
int i,j,a;

 fb_DrawRect(4, 4,636, 456, GRAY);

fp=fopen("mazepath.txt","r");
for(i=0;i<21;i++)
  for(j=0;j<15;j++)
  {fscanf(fp,"%d ",&a);
if(a==-1)
  if(x/30==i&&y/30==j)
   {fclose(fp);
    return 0;}
}
fclose(fp);
return 1;
}
// Initialize Mx1 input devices
int main()
{
	char * tsconf_name;
	FILE * tsconf_fp;
	unsigned short x1,x2,y1,y2;
	Point clPoint;
//	RECT tempRange;
	
     short x, y;
	short i;
	ColorType color0 = SYS_WHITE;
	//ColorType color1=RED,color2=GREEN,color3=BLUE,color4=ORANGE;
	short colorPage;
	short endFlag;
	unsigned char * ascTxt1 = "Beijing Institute of Technology";
	unsigned char * ascTxt2 = "ARM S3C 2410";
        unsigned char * ascTxt3 = "20053484";
        unsigned char * ascTxt4 = "12110503";
	unsigned char * chsTxt1 = "北京理工大学";
	unsigned char * chsTxt2 = "嵌入式实验室";
	unsigned char * chsTxt3 = "北京理工大学计算教学实验中心";
        
       unsigned char * chsTxt4 = "王永辉";
      
	unsigned char bufferTxt[2];
	unsigned short  keypress;
	short x_max, y_max;
	ColorType color_max;
        short x_car, y_car;
	if (fb_Init() == -1)
	{
		printf("Initialize Framebuffer LCD failed.\n");
		exit(1);
	}
    
    x_max = fb_GetScreenWidth() - 1;
    y_max = fb_GetScreenHeight() - 1;
    color_max = fb_GetScreenColors() - 1;
   fb_Clear(0x0);
  all=10;

       DRAWGRAPH();
 x_car=0;
         y_car=0;
DRAWGRAPHs(x_car,y_car);
   
zlg7290_init();
while(1){
	while(1)
             		if(!(zlg7290_getkey(&keypress)))
			{
				keypress-=1;
				printf("keypress=%d\n\n",keypress);
                              break;
                              }
  else
				zlg7290_sndcmd(0x70,1<<(keypress-1));
if(keypress==3)if(x_car+30<=605) {if(amme(x_car+30,y_car))x_car+=30;}
if(keypress==1)if(x_car-30>=0) {if(amme(x_car-30,y_car))x_car-=30;}
if(keypress==2)if(y_car+30<=425){ if(amme(x_car,y_car+30))y_car+=30;}
if(keypress==5)if(y_car-30>=0){if(amme(x_car,y_car-30)) y_car-=30;}
  if(xx*30==x_car&&yy*30==y_car)
   { DRAWGRAPHs(x_car,y_car);
break;
    }else DRAWGRAPHs(x_car,y_car);
zlg7290_sndcmd(0x70,1<<(keypress-1));
usleep(99999);
keypress=99999;
}
	//显示英文和中文

	// Test Text functions
	printf("Test text_16x8:\t\t");
	x = 10, y = 10;
	for (i = 0; i < strlen(ascTxt1); i++)
	{
		DrawCharEN(x, y, ascTxt1[i], SYS_WHITE);
		x += 8;
	}
	x = 10, y = 40;
	for (i = 0; i < strlen(ascTxt2); i++)
	{
		DrawCharEN(x, y, ascTxt2[i], RED);
		x += 8;
	}
x = 10, y = 70;
	for (i = 0; i < strlen(ascTxt3); i++)
	{
		DrawCharEN(x, y, ascTxt3[i], RED);
		x += 8;
	}
x = 10, y = 100;
	for (i = 0; i < strlen(ascTxt4); i++)
	{
		DrawCharEN(x, y, ascTxt4[i], RED);
		x += 8;
	}
	printf("Press any key to continue...\n");
	getchar();
	printf("Test text_16x16:\t");
	hzkFile = fopen("./hzk", "rb"); //change from hz16 to hzk
    x = 10, y = 140;
	for (i = 0; i < strlen(chsTxt4); i += 2)
	{
		bufferTxt[0] = chsTxt4[i];
		bufferTxt[1] = chsTxt4[i + 1];
		DrawCharCHS(x, y, bufferTxt, RED);
		x += 16;
	}
	x = 10, y = 180;
	for (i = 0; i < strlen(chsTxt1); i += 2)
	{
		bufferTxt[0] = chsTxt1[i];
		bufferTxt[1] = chsTxt1[i + 1];
		DrawCharCHS(x, y, bufferTxt, GREEN);
		x += 16;
	}
	x = 10, y = 220;
		for (i = 0; i < strlen(chsTxt2); i += 2)
	{
		bufferTxt[0] = chsTxt2[i];
		bufferTxt[1] = chsTxt2[i + 1];
		DrawCharCHS(x, y, bufferTxt, BLUE);
		x += 16;
	}
	x = 10, y = 260;
		for (i = 0; i < strlen(chsTxt3); i += 2)
	{
		bufferTxt[0] = chsTxt3[i];
		bufferTxt[1] = chsTxt3[i + 1];
		DrawCharCHS(x, y, bufferTxt, ORANGE);
		x += 16;
	}
   
 
	fclose(hzkFile);

	printf("\nFinished Test. Press any key to exit.\n");
	getchar();
	fb_Clear(SYS_BLACK);
    fb_Release();
}