int main(void)
{
int ifd = openfd();
if (ifd < 0) {
ALOGE("could not find any tablet mode switch, exiting.");
return -1;
}
sleep(10); //wait some time or otherwise EventHub might not pick up our events correctly!?
int ufd = open("/dev/uinput", O_WRONLY | O_NDELAY);
if (ufd >= 0) {
struct uinput_user_dev ud;
memset(&ud, 0, sizeof(struct uinput_user_dev));
strcpy(ud.name, "Android Tablet Lid Switch");
write(ufd, &ud, sizeof(struct uinput_user_dev));
ioctl(ufd, UI_SET_EVBIT, EV_SW);
ioctl(ufd, UI_SET_SWBIT, SW_LID);
ioctl(ufd, UI_DEV_CREATE, 0);
} else {
ALOGE("could not open uinput device: %s", strerror(errno));
return -1;
}
// send initial switch state
unsigned long sw_state[NBITS(SW_TABLET_MODE+1)];
memset(sw_state, 0, sizeof(sw_state));
if (ioctl(ifd, EVIOCGSW(sizeof(sw_state)), sw_state) >= 0) {
send_switch(ufd, test_bit(SW_TABLET_MODE, sw_state) ? 1 : 0);
}
// read events and pass them on modified
while (1) {
struct input_event iev;
size_t res = read(ifd, &iev, sizeof(struct input_event));
if (res < sizeof(struct input_event)) {
ALOGW("insufficient input data(%d)? fd=%d", res, ifd);
continue;
}
//LOGV("type=%d scancode=%d value=%d from fd=%d", iev.type, iev.code, iev.value, ifd);
if (iev.type == EV_SW && iev.code == SW_TABLET_MODE) {
send_switch(ufd, iev.value);
}
}
return 0;
}
void cam_power_show(void)
{
if(cams[ctrl_selected_cam].power_state)
{
lcd_gotoxy(0,3);
lcd_putc('>');
lcd_gotoxy(3,3);
lcd_putc('<');
lcd_putc(' ');
lcd_gotoxy(8,3);
lcd_putc(' ');
}
else
{
lcd_gotoxy(0,3);
lcd_putc(' ');
lcd_gotoxy(3,3);
lcd_putc(' ');
lcd_putc('>');
lcd_gotoxy(8,3);
lcd_putc('<');
}
if(cams[ctrl_selected_cam].button_state)
{
cams[ctrl_selected_cam].button_state=1;
lcd_gotoxy(10,3);
lcd_putc('>');
lcd_gotoxy(14,3);
lcd_putc('<');
}
else
{
lcd_gotoxy(10,3);
lcd_putc(' ');
lcd_gotoxy(14,3);
lcd_putc(' ');
}
send_switch();
}
