Import radio notification from the nordic SDK (required y BLE

implementation).

hal/targets/hal/TARGET_NORDIC/TARGET_NRF5/sdk/ble/ble_radio_notification/ble_radio_notification.c

@@ -0,0 +1,81 @@
+/*
+ * 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>
+#include "nrf_nvic.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(uint32_t                             irq_priority,
+                                     uint8_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);
+}

hal/targets/hal/TARGET_NORDIC/TARGET_NRF5/sdk/ble/ble_radio_notification/ble_radio_notification.h

@@ -0,0 +1,67 @@
+/*
+ * 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.
+ *
+ */
+
+/** @file
+ *
+ * @defgroup ble_radio_notification Radio Notification Event Handler
+ * @{
+ * @ingroup ble_sdk_lib
+ * @brief Module for propagating Radio Notification events to the application.
+ */
+
+#ifndef BLE_RADIO_NOTIFICATION_H__
+#define BLE_RADIO_NOTIFICATION_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "nrf_soc.h"
+
+
+/**@brief Application radio notification event handler type. */
+typedef void (*ble_radio_notification_evt_handler_t) (bool radio_active);
+
+/**@brief Function for initializing the Radio Notification module.
+ *
+ * @param[in]  irq_priority   Interrupt priority for the Radio Notification interrupt handler.
+ * @param[in]  distance       The time from an Active event until the radio is activated.
+ * @param[in]  evt_handler    Handler to be executed when a radio notification event has been
+ *                            received.
+ *
+ * @return     NRF_SUCCESS on successful initialization, otherwise an error code.
+ */
+uint32_t ble_radio_notification_init(uint32_t                             irq_priority,
+                                     uint8_t                              distance,
+                                     ble_radio_notification_evt_handler_t evt_handler);
+
+#endif // BLE_RADIO_NOTIFICATION_H__
+
+/** @} */