ws_share_func.h

it is about embeded system

/***************************************************
  Copyright(C), 2008 , JUST
  File name: ws_share_func.h
  Author: StevenZ      Version: 0.9        Date: 080906
  Description: 点划式网页浏览器公用函数,刷新和退出功能
  History:  
	08/07/26 完成公用函数
	08/08/06 网页后退,刷新等功能  
***************************************************/

#ifndef _WS_SHARE_FUNC_H
#define _WS_SHARE_FUNC_H
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h> 
#include <time.h>
#include <errno.h>
#include <pthread.h>
#include <sys/time.h>
#include <sys/types.h>
#include <dirent.h>
#include <signal.h>


/*****************全局变量******************/
extern struct TS_DATE ts_dat;/*触摸屏数据*/
extern int ts_fd;/*触摸屏文件描述符*/
extern int OVER_OP;
extern int OVER_SHOW;
extern int OVER_FAVOR;
extern TS_RET p1,p2,p3,p4;
extern volatile int web_func; /*用于保存双击之前单击选中的功能*/
extern int NEED_DOWNLOAD_WEB;
extern int SELECTED_FAVOR;
extern volatile int dc;
extern char MP3_NAME[100];
/******************************************/

/*定义语音*/
//#undef TTS
#define TTS 

#define TEXT_SEP_CHAR '|' //正文相关分隔符

#define TS_DEVICE_NAME "/dev/touchscreen/0raw"
#define UP	1
#define DOWN	2
#define STAY	0

#define FORWARD	1
#define BACKWARD	2
#define FAVOR		3
#define WEB_SAVE	4
#define WEB_ADDR	5
#define EXIT_BACK	6
#define FLUSH 		7 	

#define CONFIRM 	1
#define CANCEL		2


//#define DEBUG
#ifdef DEBUG
#define DPRINTF(x...) printf("debug:"##x)
#else
#define DPRINTF(x...)
#endif

/*区域判断所需宏*/
#define MAXX	3400 
#define MAXY	3600
#define MINX	240
#define MINY	450
#define LFA	(MINX+(MAXX-MINX)/6)
#define RFA	(MINX+(MAXX-MINX)*5/6)
#define MYA     (MINY+(MAXY-MINY)/2)
#define TYA	(MINY+(MAXY-MINY)*9/10)
#define BYA	(MINY+(MAXY-MINY)/10)
#define MXA    	(MINX+(MAXX-MINX)/2)

/*双击间隔时间0.5s*/ 
#define WAIT_TIME_NSEC 500000 
/*收藏夹存储有网址的文件名*/
#define MY_FAVOR_TXT "./wdt/my_favor.txt"
/*网页下载,分析后的文件名*/
#define WEB_DATA_FILE_NAME_A "./wdt/web.tmp"
#define WEB_SAVE_R  "./web.tmp"

/*网页原文件保存名*/
#define DOWNLOAD_FILE_NAME "./wdt/getHtml.htm"


#define BGBMPFAV  "./res/EE_bg_favor.bmp"
#define BGBMPMAIN  "./res/EE_bg.bmp"
#define BGBMPFS    "./res/EE_bg_favsel.bmp"
#define BGBMPDL   "./res/EE_download.bmp"
#define BGBMPSAVE "./res/EE_save.bmp"
#define BGBMPCE   "./res/EE_connect_error.bmp"
#define BGBMPSB   "./res/EE_submit.bmp"
#define BGBMPEND "./res/EE_end.bmp" 
#define BGBMPIME  "./res/EE_ime.bmp"
#define BGBMPWAIT "./res/EE_wait.bmp"
#define BGBMPADDW "./res/EE_add_web.bmp"
#define BGBMPMP3 "./res/EE_mp3.bmp"
#define BGBMPCOVER "./res/EE_cover.bmp"
#define BGBMPGIRL "./res/girl.bmp"


void ts_open();
void ts_close();
void copy_ts_ret(TS_RET *t1,TS_RET *t2);
int upd_or_downd(TS_RET *t1,TS_RET *t2);
int IsSmallTime(struct timeval *t1,struct timeval *t2);
int IsSmallPosition(TS_RET *p1,TS_RET *p2);
void copy_time(struct timeval *t1,struct timeval *t2);
void do_flush(struct websitedata *wsd);
void do_exit_back();
int left_or_right();
void i_to_a(char *a,int i);
#define select_favor left_or_right

/*打开触摸屏设备*/
void ts_open()
{
	ts_fd=open(TS_DEVICE_NAME,O_RDONLY);
	if(ts_fd<0)
	{
		printf("open device error!!");
		exit(1);
	}
	DPRINTF("ts_fd=%d\n",ts_fd);
	ts_date_init(&ts_dat);
}

/*关闭触摸屏设备*/
void ts_close()
{
	close(ts_fd);
}

/*触摸屏数据拷贝*/
void copy_ts_ret(TS_RET *des,TS_RET *src)
{
	des->pressure=src->pressure;
	des->x=src->x;
	des->y=src->y;
	des->pad=src->pad;
}

/*判断上划,下划,原位置,分别返回UP,DOWN,STAY*/
int upd_or_downd(TS_RET *t1,TS_RET *t2)
{
	if((t1->y-t2->y)<100&&(t1->y-t2->y)>-100)
		return STAY;
	if(t1->y>t2->y)
		return DOWN;
	return UP;
}

/*测试两次单点间隔是否在双点时间内,是返回1,否则返回0*/
int IsSmallTime(struct timeval *t1,struct timeval *t2)
{
	if(t2->tv_sec-t1->tv_sec>=2)
		return 0;
	if(t2->tv_sec-t1->tv_sec==1)
	{
		if(1000000+t2->tv_usec-t1->tv_usec>WAIT_TIME_NSEC)
			return 0;
		return 1;
	}
	if(t2->tv_usec-t1->tv_usec>WAIT_TIME_NSEC)
		return 0;
	return 1;
}

/*测试两次单点间隔是否在双点距离内,是返回1,否则返回0*/
int IsSmallPosition(TS_RET *p1,TS_RET *p2)
{
	if(p1->x>p2->x)
		if(p1->x-p2->x>120) return 0;
	if(p1->x<p2->x)
		if(p2->x-p1->x>120) return 0;
	if(p1->y>p2->y)
		if(p1->y-p2->y>100) return 0;
	if(p1->y<p2->y)
		if(p2->y-p1->y>100) return 0;
	return 1;
}

/*时间的拷贝*/
void copy_time(struct timeval *t1,struct timeval *t2)
{
	t1->tv_sec=t2->tv_sec;
	t1->tv_usec=t2->tv_usec;
} 

/*[语音识别]或触摸控制判断是否选择左或右,选左返回1,否则返回0*/
int left_or_right()
{
	struct TS_DATE *b=&ts_dat;
	ts_date_init(b);
	do{
		read(ts_fd,&b->ts_ret,1);
	}while(b->ts_ret.pressure);
	if(b->ts_ret.x<MXA)
	{
		DPRINTF("use FAVOR...\n");
		return 1;
	}
	return 0;
}

/*退出浏览器*/
void do_exit_back()
{
	OVER_OP=0;
	OVER_SHOW=0;
}

/*刷新网页*/
void do_flush(struct websitedata *wsd)
{
	NEED_DOWNLOAD_WEB=1;
}

/*整型数(无符号)转字符串,有待改进哈*/
void i_to_a(char *a,int i)
{
	int j=0;
	char c;
	while(i)
	{
		a[j++]='0'+i%10;
		i=i/10;
	}
	a[j]='\0';
	for(i=0;i<j/2;i++)
	{
		c=a[i];
		a[i]=a[j-i-1];
		a[j-i-1]=c;
	}
}
#endif