mouse.c

isp1160_pci_usb_host_MP100.rar USB主机设备程序～！

#include <conio.h>
#include <stdio.h>
#include <graphics.h>

#include "philips.h"

void get_co(signed char *c_ptr)
{
 unsigned int m0,m1;
 unsigned char X=0,Y=0,B=8;
 unsigned int m[2];
 unsigned int *m_ptr;
 unsigned int ccode=0;

 m_ptr=m;

 ccode=get_mouse(3,m_ptr);

 m0=*m_ptr;
 m1=*(m_ptr+1);

// if((m0!=0x0680)||(m1!=0x0302))
// printf("ccode=%4X",ccode);
 if((ccode==0))
   {
	X=(m0>>8);
	Y=(m1&0x00FF);
	B=(m0&0x000F);
   }

 else
   {
	X=0;
	Y=0;
	B=0;
   }


 *c_ptr     =X;
 *(c_ptr+1) =Y;
 *(c_ptr+2) =B;
}

void play_mouse(void)
{
 signed char m[3];
 signed char *m_ptr;

 unsigned int timeout=1000;
 unsigned int cnt;
 unsigned int left_click=0;
 unsigned int right_click=0;
 signed char X=1,Y=0,B=0;
 signed int px=320,py=240;
 signed int lx=320,ly=240;

 signed int *mptr;
 signed int tx,ty;

 unsigned int user_in;

 m_ptr=m;

 clrscr();

 gui();

 e_box(320,240,610,410);

 gotoxy(3,2);
 printf("ISP1161 DEMO - USB Mouse");

 cnt=timeout;

 do
  {
	get_co(m_ptr);

	X=*m_ptr;
	Y=*(m_ptr+1);
	B=*(m_ptr+2);

	if((X!=0)&&(Y!=0))
	{ cnt=timeout; }

	px=px+(X);
	py=py+(Y);

	if(px<20)  {px=20;}
	if(py<40)  {py=40;}
	if(px>619) {px=620;}
	if(py>439) {py=440;}

	gotoxy(4,24);
	printf("Current:<%3d,%3d>",px,py);
	printf("  Delta  :<%3d,%3d>",X,Y);
//	printf("  **TimeOut Counter = %4d     ",cnt);

	gotoxy(4,25);
	printf("Press '1' to EXIT");

	putpixel( (px+lx)/2,(py+ly)/2,YELLOW);
	putpixel(px,py,YELLOW);

	line(px,py,lx,ly);

	lx=px;
	ly=py;

	cnt--;

	left_click=B&0x01;
	right_click=(B&0x02)>>1;

	user_in=read_key(0);
  }
 while((user_in!='1'));

 close_gui();
}