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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_stopwatch.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_stopwatch.c
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+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/eddystone/es_stopwatch.c
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+/**
+ * Copyright (c) 2016 - 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.
+ *
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+#include "es_stopwatch.h"
+#include "sdk_macros.h"
+#include "app_timer.h"
+#include "es_app_config.h"
+
+static uint32_t m_ticks_last_returned[ES_STOPWATCH_MAX_USERS];
+static uint32_t m_ids_ticks_wrap[ES_STOPWATCH_MAX_USERS];
+static uint8_t m_nof_ids = 0;
+static bool m_initialized = false;
+
+uint32_t es_stopwatch_check(es_stopwatch_id_t id)
+{
+ uint32_t ticks_current = app_timer_cnt_get();
+ uint32_t ticks_diff;
+
+ if (m_ids_ticks_wrap[id] == 0)
+ {
+ APP_ERROR_CHECK(NRF_ERROR_INVALID_STATE);
+ }
+
+ ticks_diff = app_timer_cnt_diff_compute(ticks_current, m_ticks_last_returned[id]);
+
+ if (ticks_diff >= m_ids_ticks_wrap[id])
+ {
+ m_ticks_last_returned[id] = (ticks_current / m_ids_ticks_wrap[id]) * m_ids_ticks_wrap[id];
+
+ return ticks_diff / m_ids_ticks_wrap[id];
+ }
+
+ return 0;
+}
+
+ret_code_t es_stopwatch_create(es_stopwatch_id_t * p_sw_id, uint32_t ticks_wrap)
+{
+ VERIFY_PARAM_NOT_NULL(p_sw_id);
+
+ if (m_nof_ids == ES_STOPWATCH_MAX_USERS)
+ {
+ return NRF_ERROR_INVALID_STATE;
+ }
+
+ if (!m_initialized)
+ {
+ return NRF_ERROR_MODULE_NOT_INITIALIZED;
+ }
+
+ *p_sw_id = m_nof_ids;
+
+ m_ids_ticks_wrap[m_nof_ids] = ticks_wrap;
+
+ m_nof_ids++;
+
+ return NRF_SUCCESS;
+}
+
+
+void es_stopwatch_init(void)
+{
+ m_nof_ids = 0;
+ memset(m_ticks_last_returned, 0, sizeof(m_ticks_last_returned));
+ memset(m_ids_ticks_wrap, 0, sizeof(m_ids_ticks_wrap));
+ m_initialized = true;
+}