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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/connectivity/experimental_ant/main.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/connectivity/experimental_ant/main.c
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+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/connectivity/experimental_ant/main.c
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+/**
+ * Copyright (c) 2017 - 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 ant_sdk_app_connectivity_main main.c
+ * @{
+ * @ingroup ant_sdk_app_connectivity
+ *
+ * @brief BLE Connectivity application.
+ */
+
+#include <stdbool.h>
+#include "nrf_sdm.h"
+#include "nrf_soc.h"
+#include "app_error.h"
+#include "app_scheduler.h"
+#include "nrf_sdh.h"
+#include "nrf_sdh_ant.h"
+#include "ser_hal_transport.h"
+#include "ser_conn_handlers.h"
+#include "boards.h"
+#include "nrf_gpio.h"
+#include "nrf_log_ctrl.h"
+#include "nrf_log_default_backends.h"
+
+#define NRF_LOG_MODULE_NAME CONN
+#include "nrf_log.h"
+NRF_LOG_MODULE_REGISTER();
+
+#include "ser_phy_debug_comm.h"
+
+/**@brief Main function of the connectivity application. */
+int main(void)
+{
+    uint32_t err_code = NRF_SUCCESS;
+
+    APP_ERROR_CHECK(NRF_LOG_INIT(NULL));
+    NRF_LOG_DEFAULT_BACKENDS_INIT();
+
+    NRF_LOG_INFO("ANT connectivity started");
+
+#if ( defined(SER_PHY_HCI_DEBUG_ENABLE) || defined(SER_PHY_DEBUG_APP_ENABLE))
+    debug_init(NULL);
+#endif
+
+    /* Force constant latency mode to control SPI slave timing */
+    NRF_POWER->TASKS_CONSTLAT = 1;
+
+    /* Initialize scheduler queue. */
+    APP_SCHED_INIT(SER_CONN_SCHED_MAX_EVENT_DATA_SIZE, SER_CONN_SCHED_QUEUE_SIZE);
+    /* Initialize SoftDevice.
+     * SoftDevice Event IRQ is not scheduled but immediately copies ANT events to the application
+     * scheduler queue */
+
+    err_code = nrf_sdh_enable_request();
+    APP_ERROR_CHECK(err_code);
+
+    /* Open serialization HAL Transport layer and subscribe for HAL Transport events. */
+    err_code = ser_hal_transport_open(ser_conn_hal_transport_event_handle);
+    APP_ERROR_CHECK(err_code);
+
+    /* Enter main loop. */
+    for (;;)
+    {
+        /* Process SoftDevice events. */
+        app_sched_execute();
+        if (nrf_sdh_is_suspended())
+        {
+            // Resume pulling new events if queue utilization drops below 50%.
+            if (app_sched_queue_space_get() > (SER_CONN_SCHED_QUEUE_SIZE >> 1))
+            {
+                nrf_sdh_resume();
+            }
+        }
+
+        /* Process received packets.
+         * We can NOT add received packets as events to the application scheduler queue because
+         * received packets have to be processed before SoftDevice events but the scheduler queue
+         * does not have priorities. */
+        err_code = ser_conn_rx_process();
+        APP_ERROR_CHECK(err_code);
+
+        nrf_gpio_cfg_output(18);
+        nrf_gpio_pin_set(18);
+
+        (void)NRF_LOG_PROCESS();
+
+        /* Sleep waiting for an application event. */
+        err_code = sd_app_evt_wait();
+        APP_ERROR_CHECK(err_code);
+    }
+}
+/** @} */