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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/peripheral/blinky_freertos/main.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/peripheral/blinky_freertos/main.c
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+/**
+ * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA
+ * 
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ * 
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ * 
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ * 
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+/** @file
+ * @defgroup blinky_example_main main.c
+ * @{
+ * @ingroup blinky_example_freertos
+ *
+ * @brief Blinky FreeRTOS Example Application main file.
+ *
+ * This file contains the source code for a sample application using FreeRTOS to blink LEDs.
+ *
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "FreeRTOS.h"
+#include "task.h"
+#include "timers.h"
+#include "bsp.h"
+#include "nordic_common.h"
+#include "nrf_drv_clock.h"
+#include "sdk_errors.h"
+#include "app_error.h"
+
+#if LEDS_NUMBER <= 2
+#error "Board is not equipped with enough amount of LEDs"
+#endif
+
+#define TASK_DELAY        200           /**< Task delay. Delays a LED0 task for 200 ms */
+#define TIMER_PERIOD      1000          /**< Timer period. LED1 timer will expire after 1000 ms */
+
+TaskHandle_t  led_toggle_task_handle;   /**< Reference to LED0 toggling FreeRTOS task. */
+TimerHandle_t led_toggle_timer_handle;  /**< Reference to LED1 toggling FreeRTOS timer. */
+
+/**@brief LED0 task entry function.
+ *
+ * @param[in] pvParameter   Pointer that will be used as the parameter for the task.
+ */
+static void led_toggle_task_function (void * pvParameter)
+{
+    UNUSED_PARAMETER(pvParameter);
+    while (true)
+    {
+        bsp_board_led_invert(BSP_BOARD_LED_0);
+
+        /* Delay a task for a given number of ticks */
+        vTaskDelay(TASK_DELAY);
+
+        /* Tasks must be implemented to never return... */
+    }
+}
+
+/**@brief The function to call when the LED1 FreeRTOS timer expires.
+ *
+ * @param[in] pvParameter   Pointer that will be used as the parameter for the timer.
+ */
+static void led_toggle_timer_callback (void * pvParameter)
+{
+    UNUSED_PARAMETER(pvParameter);
+    bsp_board_led_invert(BSP_BOARD_LED_1);
+}
+
+int main(void)
+{
+    ret_code_t err_code;
+
+    /* Initialize clock driver for better time accuracy in FREERTOS */
+    err_code = nrf_drv_clock_init();
+    APP_ERROR_CHECK(err_code);
+
+    /* Configure LED-pins as outputs */
+    bsp_board_init(BSP_INIT_LEDS);
+
+    /* Create task for LED0 blinking with priority set to 2 */
+    UNUSED_VARIABLE(xTaskCreate(led_toggle_task_function, "LED0", configMINIMAL_STACK_SIZE + 200, NULL, 2, &led_toggle_task_handle));
+
+    /* Start timer for LED1 blinking */
+    led_toggle_timer_handle = xTimerCreate( "LED1", TIMER_PERIOD, pdTRUE, NULL, led_toggle_timer_callback);
+    UNUSED_VARIABLE(xTimerStart(led_toggle_timer_handle, 0));
+
+    /* Activate deep sleep mode */
+    SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+
+    /* Start FreeRTOS scheduler. */
+    vTaskStartScheduler();
+
+    while (true)
+    {
+        /* FreeRTOS should not be here... FreeRTOS goes back to the start of stack
+         * in vTaskStartScheduler function. */
+    }
+}
+
+/**
+ *@}
+ **/