1 files changed, 126 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/bootloader/nrf_bootloader_dfu_timers.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/bootloader/nrf_bootloader_dfu_timers.c
new file mode 100644
index 0000000..a6b056e
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/bootloader/nrf_bootloader_dfu_timers.c
@@ -0,0 +1,126 @@
+/**
+ * Copyright (c) 2018 - 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 "nrf_bootloader_dfu_timers.h"
+
+#include "app_timer.h"
+#include "nrf_clock.h"
+
+APP_TIMER_DEF(m_dfu_inactivity_timer); //!< Timer for aborting DFU if no update happens.
+APP_TIMER_DEF(m_wdt_feed_timer);       //!< Timer for feeding the application's watchdog (WDT) while the bootloader is running.
+
+static bool m_app_timer_initialized;
+
+/** @brief Function for handling the timeouts by calling the callback in the context.
+ */
+static void timeout_handler(void * p_context)
+{
+    if (p_context)
+    {
+        //lint -save -e611 "Suspicious cast"
+        ((nrf_bootloader_dfu_timeout_callback_t)p_context)();
+        //lint -restore
+    }
+}
+
+
+/**@brief Initialization of app_timer. Function ensures that initialization happens only once.
+ */
+static void timer_init(void)
+{
+    if (!m_app_timer_initialized)
+    {
+        if (!nrf_clock_lf_is_running())
+        {
+            nrf_clock_task_trigger(NRF_CLOCK_TASK_LFCLKSTART);
+
+            // Wait for the clock to be ready.
+            while (!nrf_clock_lf_is_running()) {;}
+        }
+
+        uint32_t err_code = app_timer_init();
+        APP_ERROR_CHECK(err_code);
+
+        // Start a single shot timer that will reset the DFU on timeout.
+        err_code = app_timer_create(&m_dfu_inactivity_timer,
+                                    APP_TIMER_MODE_SINGLE_SHOT,
+                                    timeout_handler);
+        ASSERT(err_code == NRF_SUCCESS);
+
+        err_code = app_timer_create(&m_wdt_feed_timer,
+                                    APP_TIMER_MODE_REPEATED,
+                                    timeout_handler);
+        ASSERT(err_code == NRF_SUCCESS);
+
+        m_app_timer_initialized = true;
+    }
+}
+
+
+/**@brief Function for initializing app_timer if necessary, and (re)starting a timer.
+ */
+static void timer_start(app_timer_t * p_timer, uint32_t timeout_ms, nrf_bootloader_dfu_timeout_callback_t callback)
+{
+    ret_code_t err_code;
+
+    timer_init();
+
+    err_code = app_timer_stop(p_timer);
+    ASSERT(err_code == NRF_SUCCESS);
+
+    if (timeout_ms != 0)
+    {
+        //lint -save -e611 "Suspicious cast"
+        err_code = app_timer_start(p_timer, APP_TIMER_TICKS(timeout_ms), (void *)callback);
+        //lint -restore
+        ASSERT(err_code == NRF_SUCCESS);
+    }
+}
+
+
+void nrf_bootloader_dfu_inactivity_timer_restart(uint32_t timeout_ms, nrf_bootloader_dfu_timeout_callback_t callback)
+{
+    timer_start(m_dfu_inactivity_timer, timeout_ms, callback);
+}
+
+
+void nrf_bootloader_wdt_feed_timer_start(uint32_t timeout_ms, nrf_bootloader_dfu_timeout_callback_t callback)
+{
+    timer_start(m_wdt_feed_timer, timeout_ms, callback);
+}