tstest.c

来自「在运行嵌入式Linux系统的、支持屏幕点击功能的手机上」· C语言 代码 · 共 37 行

#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "h3600_ts.h"


int ts_fd;

void read_ts (void)
{
  TS_EVENT ts_ev;
  int r;

  r = read (ts_fd, &ts_ev, sizeof (ts_ev));
  if (r == sizeof (ts_ev)) {
       printf("read_ts: x=%d, y=%d, press=%d\n", ts_ev.x, ts_ev.y, ts_ev.pressure);
  }
}

#define RAW_DEVICE	"/dev/tsraw"
int main()
{
      ts_fd = open (RAW_DEVICE, O_RDONLY);
      if (ts_fd < 0)
	{
	  perror (RAW_DEVICE);
	  exit (1);
	}

  while(1)	read_ts();

  return 0;
}