Ejemplo n.º 1
0
/**
 * Cette fonction affiche les valeurs des capteurs
 */
void vDisplaySensorsValues() {
	U8 radar;
	U32 contact;
	U32 light;

	while(TRUE) {
		nx_display_clear();
		nx_display_cursor_set_pos(0, 5);
		nx_display_string("Touch");
		contact=nx_sensors_analog_get(TOUCH_SENSOR);
		nx_display_cursor_set_pos(7, 5);
		nx_display_uint(contact);

		nx_display_cursor_set_pos(0, 6);
		nx_display_string("Radar");
		radar=nx_radar_read_distance(RADAR_SENSOR, 0);
		nx_display_cursor_set_pos(7, 6);
		nx_display_uint(radar);

		nx_display_cursor_set_pos(0, 7);
		nx_display_string("Light");
		light=nx_sensors_analog_get(LIGHT_SENSOR);
		nx_display_cursor_set_pos(7, 7);
		nx_display_uint(light);
		nx_systick_wait_ms(50);
	}
}
Ejemplo n.º 2
0
void tests_ht_compass(void) {
#ifdef TEST_PORT4_I2C
  U32 sensor = 3;
#else
  U32 sensor = 2;
#endif
  hello();
  nx_display_clear();
  nx_display_cursor_set_pos(0, 0);
  nx_display_string("Test of compass\n\n");
  //nx_i2c_init();
  nx_display_string("Press OK to stop\n\n");
  ht_compass_init(sensor);
  if( ! ht_compass_detect(sensor) ) {
    nx_display_string("No compass!\n");
    goodbye();
    return;
  }
  ht_compass_info(sensor);
  while(nx_avr_get_button() != BUTTON_OK) {
    nx_display_cursor_set_pos(9, 6);
    nx_display_string("   ");
    nx_display_cursor_set_pos(9, 6);
    nx_display_uint( ht_compass_read_heading(sensor) );
    nx_systick_wait_ms(100);
  }
  ht_compass_close(sensor);
  goodbye();
}
Ejemplo n.º 3
0
void main(void) {
  char *entries[] = {"Browse", "Sysinfo", "Settings", "Format", "Item5", "Item6", "Item7", "Halt", NULL};
  gui_text_menu_t menu;
  U8 res;

  menu.entries = entries;
  menu.title = "Home menu";
  menu.active_mark = "> ";

  while (TRUE) {
    res = nx_gui_text_menu(menu);
    nx_display_end_line();

    switch (res) {
      case 7:
        nx_display_clear();
        nx_display_string(">> Halting...");
        nx_systick_wait_ms(1000);
        return;
        break;
      default:
        nx_display_clear();

        nx_display_string("You pressed:\n");
        nx_display_string(entries[res]);
        nx_display_end_line();

        nx_display_string("\nOk to go back");
        while (nx_avr_get_button() != BUTTON_OK);

        break;
    }
  }
}
Ejemplo n.º 4
0
void nx_assert_error(const char *file, const int line,
		     const char *expr, const char *msg) {
  const char *basename = strrchr(file, '/');
  basename = basename ? basename+1 : file;

  /* Try to halt as many moving parts of the system as possible. */
  nx_systick_install_scheduler(NULL);
  nx__avr_set_motor(0, 0, TRUE);
  nx__avr_set_motor(1, 0, TRUE);
  nx__avr_set_motor(2, 0, TRUE);

  nx_display_clear();
  nx_sound_freq_async(440, 1000);
  nx_display_string("** Assertion **\n");

  nx_display_string(basename);
  nx_display_string(":");
  nx_display_uint(line);
  nx_display_end_line();

  nx_display_string(expr);
  nx_display_end_line();

  nx_display_string(msg);
  nx_display_end_line();

  while (nx_avr_get_button() != BUTTON_CANCEL);
  nx_core_halt();
}
Ejemplo n.º 5
0
/**
 * Initialisation des differents capteurs et du bluetooth
 */
void init(void)
{
	nx_display_clear();
	nx_display_cursor_set_pos(0, 0);
	nx_display_string("Lo52 project\n");
	nx_display_cursor_set_pos(0, 2);

	//on affiche le niveau de la batterie
	nx_display_uint(nx_avr_get_battery_voltage());
	nx_display_cursor_set_pos(4, 2);
	nx_display_string("/4000\n");
	nx_systick_install_scheduler(watchdog);

	// initialise le radar ultrason
	nx_radar_init(RADAR_SENSOR);

	//initialise le bluetooth
	bt_init();
	nx_display_string("bluetooth...OK");

	//initialise le son
	nx__sound_init();

	// initialise le capteur de contact
	nx_sensors_analog_enable(TOUCH_SENSOR);

	//initialise le capteur de luminosité
	nx_sensors_analog_enable(LIGHT_SENSOR);
	nx_sensors_analog_digi_set(LIGHT_SENSOR, DIGI0);

}
Ejemplo n.º 6
0
void tests_sensors(void) {
  U32 i, sensor;
  const U32 display_seconds = 15;
  hello();

  for (sensor=0; sensor<NXT_N_SENSORS; sensor++) {
    nx_sensors_analog_enable(sensor);
  }

  for (i=0; i<(display_seconds*4); i++) {
    nx_display_clear();
    nx_display_cursor_set_pos(0,0);
    nx_display_string("- Sensor  info -\n"
		      "----------------\n");

    for (sensor=0; sensor<NXT_N_SENSORS; sensor++){
      nx_display_string("Port ");
      nx_display_uint(sensor);
      nx_display_string(": ");


      nx_display_uint(nx_sensors_analog_get(sensor));
      nx_display_end_line();
    }

    nx_systick_wait_ms(250);
  }

  for (sensor=0; sensor<NXT_N_SENSORS; sensor++) {
    nx_sensors_analog_disable(sensor);
  }

  goodbye();
}
Ejemplo n.º 7
0
void sensors_light_calibrate(void) {
  // Recuperation de la valeur de luminosite courante : on est sur un
  // drapeau
  light_threshold = nx_sensors_analog_get(SENSORS_LIGHT) - 6;
  nx_display_string("New light threshold : ");
  nx_display_uint(light_threshold);
  nx_display_string("\n");
}
Ejemplo n.º 8
0
void tests_bt2(void) {
  /*int i;
   */

  hello();

  /* Configuring the BT */

  nx_bt_init();

  nx_display_clear();
  nx_display_string("Setting friendly name ...");
  nx_display_end_line();

  nx_bt_set_friendly_name("tulipe");

  nx_display_string("Setting as discoverable ...");
  nx_display_end_line();

  nx_bt_set_discoverable(TRUE);

  /* Listing known devices */

  tests_bt_list_known_devices();

  /* Scanning & adding */

  tests_bt_scan_and_add();

  /* Listing known devices */

  tests_bt_list_known_devices();


  /* Scanning & removing */

  tests_bt_scan_and_remove();


  /* Listing known devices */

  tests_bt_list_known_devices();


  /*
  for (i = 0 ; i < 10 ; i++)
    {
      nx_display_clear();
      nx_bt_debug();

      nx_systick_wait_ms(1000);
    }
  */

  goodbye();
}
Ejemplo n.º 9
0
Archivo: radar.c Proyecto: aholler/nxos
/** Display connected radar's information. */
void nx_radar_info(U32 sensor) {
  U8 buf[9];

  // Product ID (LEGO)
  memset(buf, 0, sizeof(buf));
  nx_radar_read(sensor, RADAR_PRODUCT_ID, buf);
  nx_display_string((char *)buf);
  nx_display_string(" ");

  // Sensor Type (Sonar)
  memset(buf, 0, sizeof(buf));
  nx_radar_read(sensor, RADAR_SENSOR_TYPE, buf);
  nx_display_string((char *)buf);
  nx_display_string(" ");

  // Version (V1.0)
  memset(buf, 0, sizeof(buf));
  nx_radar_read(sensor, RADAR_VERSION, buf);
  nx_display_string((char *)buf);
  nx_display_end_line();

  // Measurement units
  nx_display_string("Units: ");
  memset(buf, 0, sizeof(buf));
  nx_radar_read(sensor, RADAR_MEASUREMENT_UNITS, buf);
  nx_display_string((char *)buf);
  nx_display_end_line();

  // Measurement interval
  nx_display_string("Interval: ");
  nx_display_uint(nx_radar_read_value(sensor, RADAR_INTERVAL));
  nx_display_string(" ms?\n");
}
Ejemplo n.º 10
0
static void send_callback(void) {
  static U8 flag = 1;

  nx_display_clear();
  nx_display_cursor_set_pos(0,6);
  nx_display_string(flag ? "T\n" : " \n");

  out_buffer[5] = (flag ? 0 : ' ');
  nx_display_string((const char *)out_buffer);
  flag = (flag+1) % 2;
  lock = 0;
}
Ejemplo n.º 11
0
void tests_sysinfo(void) {
  U32 i;
  U32 t = 0;
  const U32 display_seconds = 15;
  U8 avr_major, avr_minor;
  hello();

  nx_avr_get_version(&avr_major, &avr_minor);

  for (i=0; i<(display_seconds*4); i++) {
    if (i % 4 == 0)
      t = nx_systick_get_ms();

    nx_display_clear();
    nx_display_cursor_set_pos(0,0);
    nx_display_string("- System  info -\n"
		      "----------------\n");

    nx_display_string("Time  : ");
    nx_display_uint(t);
    nx_display_end_line();

    nx_display_string("Boot from ");
    if (NX_BOOT_FROM_SAMBA)
      nx_display_string("SAM-BA");
    else if (NX_BOOT_FROM_ENH_FW)
      nx_display_string("ENH-FW");
    else
      nx_display_string("ROM");
    nx_display_end_line();

    nx_display_string("Free RAM: ");
    nx_display_uint(NX_USERSPACE_SIZE);
    nx_display_end_line();

    nx_display_string("Buttons: ");
    nx_display_uint(nx_avr_get_button());
    nx_display_end_line();

    nx_display_string("Battery: ");
    nx_display_uint(nx_avr_get_battery_voltage());
    nx_display_string(" mV");
    nx_display_end_line();

    nx_systick_wait_ms(250);
  }

  goodbye();
}
Ejemplo n.º 12
0
void tests_sound(void) {
  enum {
    end = 0, sleep500 = 1, si = 990, dod = 1122,
    re = 1188, mi = 1320, fad = 1496, sol = 1584,
  } pain[] = {
    si, sleep500,
    fad, si, sol, sleep500,
    fad, mi, fad, sleep500,
    mi, fad, sol, sol, fad, mi, si, sleep500,
    fad, si, sol, sleep500,
    fad, mi, re,  sleep500,
    mi, re,  dod, dod, re,  dod, si, end
  };
  int i = 0;

  hello();

  nx_display_clear();
  nx_display_cursor_set_pos(0,0);
  nx_display_string("-- Sound test --\n"
		    "----------------\n");

  while (pain[i] != end) {
    if (pain[i] == sleep500)
      nx_systick_wait_ms(150);
    else
      nx_sound_freq(pain[i], 150);
    nx_systick_wait_ms(150);
    i++;
  }

  nx_systick_wait_ms(1000);
  goodbye();
}
Ejemplo n.º 13
0
void nx__abort(bool data, U32 pc, U32 cpsr) {
  nx_interrupts_disable();
  nx_display_auto_refresh(FALSE);
  //nx_display_clear();
  if (data) {
    nx_display_string("Data");
  } else {
    nx_display_string("Prefetch");
  }
  nx_display_string(" abort\nPC: ");
  nx_display_hex(pc);
  nx_display_string("\nCPSR: ");
  nx_display_hex(cpsr);
  nx__lcd_sync_refresh();
  while(1);
}
Ejemplo n.º 14
0
void nx_display_hex(U32 val) {
  const char hex[16] = "0123456789ABCDEF";
  char buf[9];
  char *ptr = &buf[8];

  if (val == 0) {
    ptr--;
    *ptr = hex[0];
  } else {
    while (val != 0) {
      ptr--;
      *ptr = hex[val & 0xF];
      val >>= 4;
    }
    while (ptr != buf) {
    	ptr--;
    	*ptr = hex[0];
    }
  }

  buf[8] = '\0';

  nx_display_string(ptr);
  dirty_display();
}
Ejemplo n.º 15
0
void nx_display_int(S32 val) {
  if( val < 0 ) {
    nx_display_string("-");
    val = -val;
  }
  nx_display_uint(val);
}
Ejemplo n.º 16
0
void handle_cmd(void)
{
	S8 speed[MSG_SIZE];
	//reception du message
	nx_bt_stream_read((U8 *)speed, MSG_SIZE);



	while (!quit && nx_bt_stream_data_read() < 1) {
		detect_obstacle();
		vForwardUntilWall(&pos1Global,&pos2Global);
		vForwardUntilWhite(&pos1Global,&pos2Global);
		nx_systick_wait_ms(10);

	nx_display_cursor_set_pos(0, 5);
	nx_display_string("boucle");
	}


	if (speed[0] > 100 || speed[0] < -100
	 || speed[1] > 100 || speed[1] < -100)
		speed[0] = speed[1] = 0;

	

	nx_motors_rotate_time(LEFT_MOTOR, speed[0], MOVE_TIME, FALSE);
	nx_motors_rotate_time(RIGHT_MOTOR, speed[1], MOVE_TIME, FALSE);

return;
}
Ejemplo n.º 17
0
void tests_ht_gyro(void) {
  U32 sensor = 2;
  hello();
  nx_display_clear();
  nx_display_cursor_set_pos(0, 0);
  nx_display_string(" Test of ht_gyro\n\n");
  nx_display_string("Press OK calc 0\n");
  nx_display_string("The Gyro must\nstand still\n");
  while(nx_avr_get_button() != BUTTON_OK)
    nx_systick_wait_ms(10);
  nx_display_string("Calculating 0\n");
  ht_gyro_init(sensor);
  U32 zero = ht_gyro_calculate_average_zero(sensor);
  nx_display_string("Zero: ");
  nx_display_uint(zero);
  nx_display_end_line();
  nx_systick_wait_ms(1000); /* Give the user time to release the OK-button */
  U32 rotation;
  while(nx_avr_get_button() != BUTTON_OK) {
    nx_display_cursor_set_pos(0, 7);
    nx_display_string("           ");
    rotation = ht_gyro_get_value(sensor);
    nx_display_cursor_set_pos(0, 7);
    nx_display_uint( rotation );
    nx_display_string(" ");
    nx_display_int( (S32)rotation - zero );
    nx_systick_wait_ms(100);
  }
  ht_gyro_close(sensor);
  goodbye();
}
Ejemplo n.º 18
0
/**
 * Arret du robot
 */
void die(void)
{
	nx_display_string("dying...\n");
	nx_motors_stop(LEFT_MOTOR, TRUE);
	nx_motors_stop(RIGHT_MOTOR, TRUE);
	nx_radar_close(RADAR_SENSOR);
	bt_die();
	nx_systick_wait_ms(2000);
	nx_core_halt();
}
Ejemplo n.º 19
0
void main(void)
{

	init();
		nx_systick_wait_ms(5000);
/*
vDisplaySensorsValues();
U32 pos1=0;
	U32 pos2=0;
	vForwardStop(&pos1,&pos2,500);
		nx_systick_wait_ms(1000);
	vTurnRight(&pos1,&pos2);
		nx_systick_wait_ms(1000);
	vForwardStop(&pos1,&pos2,250);
		nx_systick_wait_ms(1000);
	vTurnLeft(&pos1,&pos2);
		nx_systick_wait_ms(1000);
	vForwardStop(&pos1,&pos2,250);
		nx_systick_wait_ms(1000);
	vTurnRight(&pos1,&pos2);
		nx_systick_wait_ms(1000);
	vForwardStop(&pos1,&pos2,250);
		nx_systick_wait_ms(1000);
	vTurnRight(&pos1,&pos2);
		nx_systick_wait_ms(1000);
	vForwardStop(&pos1,&pos2,500);
		nx_systick_wait_ms(1000);
	vTurnRight(&pos1,&pos2);
		nx_systick_wait_ms(1000);
	vForwardStop(&pos1,&pos2,250);
		nx_systick_wait_ms(1000);
	vTurnLeft(&pos1,&pos2);
		nx_systick_wait_ms(1000);
	vForwardStop(&pos1,&pos2,250);
*/
	nx_display_cursor_set_pos(0, 5);
	nx_display_string("en attente");

	while (!quit) {
		if (!nx_bt_stream_opened() || nx_bt_connection_pending())
			bt_wait_connection();
		else
		{
			nx_sound_freq(DO, 200);
			nx_sound_freq(DO, 200);
			nx_sound_freq(DO, 200);
			handle_cmd();

		}
	}


	die();
}
Ejemplo n.º 20
0
void tests_display(void) {
  char buf[2] = { 0, 0 };
  int i;

  hello();

  nx_display_clear();
  nx_display_cursor_set_pos(0, 0);

  nx_display_string("- Display test -\n"
		    "----------------\n");
  for (i=32; i<128; i++) {
    buf[0] = i;
    nx_display_string(buf);
    if ((i % 16) == 15)
      nx_display_string("\n");
  }

  nx_systick_wait_ms(5000);
  goodbye();
}
Ejemplo n.º 21
0
static void tests_bt_list_known_devices(void) {
  bt_device_t dev;

  /* Listing known devices */

  nx_display_clear();
  nx_display_string("Known devices: ");
  nx_display_end_line();

  nx_bt_begin_known_devices_dumping();
  while(nx_bt_get_state() == BT_STATE_KNOWN_DEVICES_DUMPING) {
    if (nx_bt_has_known_device()) {
      nx_bt_get_known_device(&dev);
      nx_display_string("# ");
      nx_display_string(dev.name);
      nx_display_end_line();
    }
  }

  nx_systick_wait_ms(2000);
}
Ejemplo n.º 22
0
static void display_rotation_data (S8 vel, S32 tot, S8 sangle) {
  nx_display_clear();
  /* Display Light Intensity as read by the Light Sensor */
  nx_display_string("Luminosità: ");
  nx_display_uint(nx_lightsensor_get_raw(LIGHT_SENSOR));
  nx_display_end_line();
  /* Display Radar Motor's Speed */
  nx_display_string("Velocità: ");
  if (vel >= 0) {
    nx_display_uint(vel);
  } else {
    nx_display_string("-");
    nx_display_uint(vel);
  };
  nx_display_end_line();
  /* Display actual angle of tha Radar's Motor */
  nx_display_string("Start Angle: ");
  nx_display_int(sangle);
  nx_display_end_line();
  nx_display_string("Angolo: ");
  if (tot >= 0) {
    nx_display_uint(tot % 360);
  } else {
    nx_display_string("-");
    nx_display_uint((tot*-1) % 360);
  }
  nx_display_end_line();
}
Ejemplo n.º 23
0
void tests_tachy(void) {
  int i;
  hello();

  nx_motors_rotate_angle(0, 80, 1024, TRUE);
  nx_motors_rotate_time(1, -80, 3000, FALSE);
  nx_motors_rotate(2, 80);

  for (i=0; i<30; i++) {
    nx_display_clear();
    nx_display_cursor_set_pos(0,0);

    nx_display_clear();
    nx_display_cursor_set_pos(0,0);
    nx_display_string("Tachymeter  test\n"
		      "----------------\n");

    nx_display_string("Tach A: ");
    nx_display_hex(nx_motors_get_tach_count(0));
    nx_display_end_line();

    nx_display_string("Tach B: ");
    nx_display_hex(nx_motors_get_tach_count(1));
    nx_display_end_line();

    nx_display_string("Tach C: ");
    nx_display_hex(nx_motors_get_tach_count(2));
    nx_display_end_line();

    nx_display_string("Refresh: ");
    nx_display_uint(i);
    nx_display_end_line();

    nx_systick_wait_ms(250);
  }

  nx_motors_stop(2, TRUE);

  goodbye();
}
Ejemplo n.º 24
0
void usb_recv(void) {
  U8 buf[RCMD_BUF_LEN];

  nx_display_clear();
  nx_display_string("<< ");

  do {
    memset(buf, 0, RCMD_BUF_LEN);
    usb_readline(buf);

    if (!*buf) {
      continue;
    }

    // Disable local echo
    //  nx_display_string((char *)buf);
    nx_display_end_line();

    nx_rcmd_do((char *)buf);
    nx_systick_wait_ms(50);
    nx_display_string("<< ");
  } while (!streq((char *)buf, "end"));
}
Ejemplo n.º 25
0
static void test_display(void) {
  U32 counter = 0;
  nx_display_clear();
  while(1) {
    counter++;
    nx_display_cursor_set_pos(0,0);
    nx_display_hex(counter);
    nx_display_end_line();
    nx_display_hex(sleep_iter);
    nx_display_end_line();
    nx_display_uint(sleep_time);
    nx_display_string(" / ");
    nx_display_uint(wakeup_time);
  }
}
Ejemplo n.º 26
0
static void tests_bt_scan_and_remove(void) {
  bt_device_t dev;

  nx_display_clear();
  nx_display_string("Scanning and removing ...");
  nx_display_end_line();


  nx_bt_begin_inquiry(/* max dev : */ 255,
		      /* timeout : */ 0x20,
		      /* class :   */ (U8[]){ 0, 0, 0, 0 });

  while(nx_bt_get_state() == BT_STATE_INQUIRING) {
    if (nx_bt_has_found_device()) {
      nx_bt_get_discovered_device(&dev);
      nx_display_string("# ");
      nx_display_string(dev.name);
      nx_display_end_line();

      nx_bt_remove_known_device(dev.addr);
    }
  }

}
Ejemplo n.º 27
0
/* This function is called by the RS485 driver when a requested write
 * completes.
 */
static void send_callback(nx_rs485_error_t err) {
  if (err == RS485_SUCCESS) {
    /* The write completed successfully, release the spinlock and
     * allow the main code to continue.
     */
    nx_spinlock_release(&lock);
  } else {
    /* There was some error. You can switch on the exact value and
     * report specific errors, but for this demo we'll just display an
     * error and fail.
     */
    nx_display_clear();
    nx_display_string("TX error!");
  }
}
Ejemplo n.º 28
0
bool ht_color_perform_calibration(U32 sensor, U8 mode) {

	U8 str[1] = { mode };

	switch (mode) {
	case HT_COLOR_CAL_WHITEPOINT:
	case HT_COLOR_CAL_BLACKPOINT:
		return (nx_i2c_memory_write(sensor, HT_COLOR_COMMAND, str, 1) == I2C_ERR_OK);
		break;
	default:
		nx_display_string("Unknown Cal. Command!\n");
	    nx_systick_wait_ms(1000);
	    return FALSE;
		break;
	}
}
Ejemplo n.º 29
0
void tests_ht_accel(void) {
#ifdef TEST_PORT4_I2C
  U32 sensor = 3;
#else
  U32 sensor = 2;
#endif
  hello();
  nx_display_clear();
  nx_display_cursor_set_pos(0, 0);
  nx_display_string("Test of ht_accel\n\n");
  //nx_i2c_init();
  nx_display_string("Press OK to stop\n");
  ht_accel_init(sensor);

  if( ! ht_accel_detect(sensor) ) {
    nx_display_string("No accel!\n");
    goodbye();
    return;
  }

  ht_accel_info(sensor);
  ht_accel_values values;
  while(nx_avr_get_button() != BUTTON_OK) {
    nx_display_cursor_set_pos(3, 5);
    if ( ! ht_accel_read_values(sensor, &values) ) {
        nx_display_string("Error reading!");
        break;
    }
    nx_display_string("    ");
    nx_display_cursor_set_pos(3, 5);
    nx_display_int( values.x );
    nx_display_cursor_set_pos(3, 6);
    nx_display_string("    ");
    nx_display_cursor_set_pos(3, 6);
    nx_display_int( values.y );
    nx_display_cursor_set_pos(3, 7);
    nx_display_string("    ");
    nx_display_cursor_set_pos(3, 7);
    nx_display_int( values.z );
    nx_systick_wait_ms(100);
  }

  ht_accel_close(sensor);
  goodbye();
}
Ejemplo n.º 30
0
void main(void) {
  char *entries[] = {"Replay", "Record", "From USB", "Halt", NULL};
  gui_text_menu_t menu;
  U8 res;

  /*
  U32 nulldata[EFC_PAGE_WORDS] = {0};
  for (res=128; res<140; res++)
    nx__efc_write_page(nulldata, res);
  */

  menu.entries = entries;
  menu.title = "Tag route";
  menu.active_mark = GUI_DEFAULT_TEXT_MARK;

  while (TRUE) {
    res = nx_gui_text_menu(menu);

    switch (res) {
      case 0:
        replay(ROUTE_FILE);
        break;
      case 1:
        record(ROUTE_FILE);
        break;
      case 2:
        usb_recv();
        break;
      case 3:
        return;
        break;
      default:
        continue;
        break;
    }

    nx_display_string("\nOk to go back");
    while (nx_avr_get_button() != BUTTON_OK);
    nx_systick_wait_ms(500);
  }
}