bool PathExists(const std::wstring& path) {
base::ErrorMode error_mode(SEM_FAILCRITICALERRORS);
auto file_attr = GetFileAttributes(GetExtendedLengthPath(path).c_str());
return file_attr != INVALID_FILE_ATTRIBUTES;
}
/*!
@brief Driver for Wiimote operation menu
Handles parsing wiimote input to determine correct operating mode.
This function will never exit once entered.
*/
ErrorID_t main_menu(cwiid_wiimote_t *wiimote,
volatile WiimoteStatusDataType *wiimote_status)
{
ErrorID_t error;
uint8_t menu_count;
uint16_t last_button_state = 0;
WII_OPERATE_STATE wii_operate_state = WII_OPERATE_INIT_MENU;
write_status_led(STATUS_LED_OFF, 0);
for (;;)
{
switch (wii_operate_state)
{
case WII_OPERATE_INIT_MENU:
menu_count = 0;
last_button_state = 0;
wii_operate_state = WII_OPERATE_WAIT_FOR_BUTTON_PRESS;
write_status_led(STATUS_LED_FLASH, 500);
if (0 > cwiid_set_led(wiimote, CWIID_LED1_ON))
return WII_ERROR_TRANSMIT;
if (0 > cwiid_enable(wiimote, CWIID_FLAG_MESG_IFC))
return WII_ERROR_TRANSMIT;
if (0 > cwiid_set_rpt_mode(wiimote, CWIID_RPT_BTN))
return WII_ERROR_TRANSMIT;
/* Menu */
debug_print("%s", MENU);
set_lcd(0, "Connected.");
set_lcd(1, "Select Mode.");
break;
case WII_OPERATE_WAIT_FOR_BUTTON_PRESS:
error = wait_for_wiimotedata(wiimote_status, 2000);
if (error == ERR_WII_DATA_TIMEOUT)
{
set_lcd(0, "Select Mode");
set_lcd(1, (char *) lcd_menu_strings[menu_count]);
if (++menu_count >= MENU_ENTRIES)
menu_count = 0;
}
else if (0 < error)
{
shutdown_application(error);
}
else if (wiimote_status->button_data != last_button_state)
{
last_button_state = wiimote_status->button_data;
if (last_button_state & CWIID_BTN_A) // collect acceleration data
{
wii_operate_state = WII_OPERATE_DISPLAY_ACCELEROMETER_INFO;
}
else if (last_button_state & CWIID_BTN_B) // collect IR data
{
wii_operate_state = WII_OPERATE_DISPLAY_IR_STATUS;
}
else if (last_button_state & CWIID_BTN_HOME) // reset
{
shutdown_application(0);
}
else if (last_button_state & CWIID_BTN_PLUS)
{
sensor_cutoff_fwd += 5;
if (sensor_cutoff_fwd > 100)
sensor_cutoff_fwd = 100;
#if REVERSE_SENSOR_PRESENT
sensor_cutoff_rev += 5;
if (sensor_cutoff_rev > 100)
sensor_cutoff_rev = 100;
#endif
}
else if (last_button_state & CWIID_BTN_MINUS)
{
sensor_cutoff_fwd -= 5;
if (sensor_cutoff_fwd < 0)
sensor_cutoff_fwd = 0;
#if REVERSE_SENSOR_PRESENT
sensor_cutoff_rev -= 5;
if (sensor_cutoff_rev < 0)
sensor_cutoff_rev = 0;
#endif
}
else if (last_button_state & (CWIID_BTN_2 | CWIID_BTN_1))
{
wii_operate_state = WII_OPERATE_DISPLAY_BUTTON_STATUS;
}
}
break;
case WII_OPERATE_DISPLAY_ACCELEROMETER_INFO:
if (ERR_NONE != acceleration_mode(wiimote, wiimote_status))
wii_operate_state = WII_OPERATE_ERROR_STATE;
else
wii_operate_state = WII_OPERATE_INIT_MENU;
break;
case WII_OPERATE_DISPLAY_IR_STATUS:
if (ERR_NONE != infrared_mode(wiimote, wiimote_status))
wii_operate_state = WII_OPERATE_ERROR_STATE;
else
wii_operate_state = WII_OPERATE_INIT_MENU;
break;
case WII_OPERATE_DISPLAY_BUTTON_STATUS:
if (ERR_NONE != button_mode(wiimote, wiimote_status))
wii_operate_state = WII_OPERATE_ERROR_STATE;
else
wii_operate_state = WII_OPERATE_INIT_MENU;
break;
case WII_OPERATE_ERROR_STATE:
if (ERR_NONE == error_mode(wiimote, wiimote_status))
wii_operate_state = WII_OPERATE_INIT_MENU;
break;
}
}
return ERR_NONE;
}
