Diff: TARGET_MCU_NRF51822/sdk/source/ble/ble_radio_notification/ble_radio_notification.c

Revision:

638:c90ae1400bf2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_MCU_NRF51822/sdk/source/ble/ble_radio_notification/ble_radio_notification.c	Wed Sep 14 14:39:43 2016 +0100
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 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 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 other
+ *   contributors to this software may be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 "ble_radio_notification.h"
+#include <stdlib.h>
+
+
+static bool                                 m_radio_active = false;  /**< Current radio state. */
+static ble_radio_notification_evt_handler_t m_evt_handler  = NULL;   /**< Application event handler for handling Radio Notification events. */
+
+
+void SWI1_IRQHandler(void)
+{
+    m_radio_active = !m_radio_active;
+    if (m_evt_handler != NULL)
+    {
+        m_evt_handler(m_radio_active);
+    }
+}
+
+
+uint32_t ble_radio_notification_init(nrf_app_irq_priority_t               irq_priority,
+                                     nrf_radio_notification_distance_t    distance,
+                                     ble_radio_notification_evt_handler_t evt_handler)
+{
+    uint32_t err_code;
+
+    m_evt_handler = evt_handler;
+
+    // Initialize Radio Notification software interrupt
+    err_code = sd_nvic_ClearPendingIRQ(SWI1_IRQn);
+    if (err_code != NRF_SUCCESS)
+    {
+        return err_code;
+    }
+
+    err_code = sd_nvic_SetPriority(SWI1_IRQn, irq_priority);
+    if (err_code != NRF_SUCCESS)
+    {
+        return err_code;
+    }
+
+    err_code = sd_nvic_EnableIRQ(SWI1_IRQn);
+    if (err_code != NRF_SUCCESS)
+    {
+        return err_code;
+    }
+
+    // Configure the event
+    return sd_radio_notification_cfg_set(NRF_RADIO_NOTIFICATION_TYPE_INT_ON_BOTH, distance);
+}