Mustahsin Chowdhury / nRF51822

Nordic stack and drivers for the mbed BLE API

Fork of nRF51822 by Nordic Semiconductor

TARGET_MCU_NRF51822/sdk/source/ble/ble_radio_notification/ble_radio_notification.c@640:c90ae1400bf2, 2016-09-14 (annotated)

Committer:
Vincent Coubard
Date:
Wed Sep 14 14:39:43 2016 +0100
Revision:
640:c90ae1400bf2
Sync with bdab10dc0f90748b6989c8b577771bb403ca6bd8 from ARMmbed/mbed-os.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vincent Coubard 640:c90ae1400bf2 1 /*
Vincent Coubard 640:c90ae1400bf2 2 * Copyright (c) Nordic Semiconductor ASA
Vincent Coubard 640:c90ae1400bf2 3 * All rights reserved.
Vincent Coubard 640:c90ae1400bf2 4 *
Vincent Coubard 640:c90ae1400bf2 5 * Redistribution and use in source and binary forms, with or without modification,
Vincent Coubard 640:c90ae1400bf2 6 * are permitted provided that the following conditions are met:
Vincent Coubard 640:c90ae1400bf2 7 *
Vincent Coubard 640:c90ae1400bf2 8 * 1. Redistributions of source code must retain the above copyright notice, this
Vincent Coubard 640:c90ae1400bf2 9 * list of conditions and the following disclaimer.
Vincent Coubard 640:c90ae1400bf2 10 *
Vincent Coubard 640:c90ae1400bf2 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this
Vincent Coubard 640:c90ae1400bf2 12 * list of conditions and the following disclaimer in the documentation and/or
Vincent Coubard 640:c90ae1400bf2 13 * other materials provided with the distribution.
Vincent Coubard 640:c90ae1400bf2 14 *
Vincent Coubard 640:c90ae1400bf2 15 * 3. Neither the name of Nordic Semiconductor ASA nor the names of other
Vincent Coubard 640:c90ae1400bf2 16 * contributors to this software may be used to endorse or promote products
Vincent Coubard 640:c90ae1400bf2 17 * derived from this software without specific prior written permission.
Vincent Coubard 640:c90ae1400bf2 18 *
Vincent Coubard 640:c90ae1400bf2 19 *
Vincent Coubard 640:c90ae1400bf2 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
Vincent Coubard 640:c90ae1400bf2 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Vincent Coubard 640:c90ae1400bf2 22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Vincent Coubard 640:c90ae1400bf2 23 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
Vincent Coubard 640:c90ae1400bf2 24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
Vincent Coubard 640:c90ae1400bf2 25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Vincent Coubard 640:c90ae1400bf2 26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
Vincent Coubard 640:c90ae1400bf2 27 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Vincent Coubard 640:c90ae1400bf2 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Vincent Coubard 640:c90ae1400bf2 29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Vincent Coubard 640:c90ae1400bf2 30 *
Vincent Coubard 640:c90ae1400bf2 31 */
Vincent Coubard 640:c90ae1400bf2 32
Vincent Coubard 640:c90ae1400bf2 33 #include "ble_radio_notification.h"
Vincent Coubard 640:c90ae1400bf2 34 #include <stdlib.h>
Vincent Coubard 640:c90ae1400bf2 35
Vincent Coubard 640:c90ae1400bf2 36
Vincent Coubard 640:c90ae1400bf2 37 static bool m_radio_active = false; /**< Current radio state. */
Vincent Coubard 640:c90ae1400bf2 38 static ble_radio_notification_evt_handler_t m_evt_handler = NULL; /**< Application event handler for handling Radio Notification events. */
Vincent Coubard 640:c90ae1400bf2 39
Vincent Coubard 640:c90ae1400bf2 40
Vincent Coubard 640:c90ae1400bf2 41 void SWI1_IRQHandler(void)
Vincent Coubard 640:c90ae1400bf2 42 {
Vincent Coubard 640:c90ae1400bf2 43 m_radio_active = !m_radio_active;
Vincent Coubard 640:c90ae1400bf2 44 if (m_evt_handler != NULL)
Vincent Coubard 640:c90ae1400bf2 45 {
Vincent Coubard 640:c90ae1400bf2 46 m_evt_handler(m_radio_active);
Vincent Coubard 640:c90ae1400bf2 47 }
Vincent Coubard 640:c90ae1400bf2 48 }
Vincent Coubard 640:c90ae1400bf2 49
Vincent Coubard 640:c90ae1400bf2 50
Vincent Coubard 640:c90ae1400bf2 51 uint32_t ble_radio_notification_init(nrf_app_irq_priority_t irq_priority,
Vincent Coubard 640:c90ae1400bf2 52 nrf_radio_notification_distance_t distance,
Vincent Coubard 640:c90ae1400bf2 53 ble_radio_notification_evt_handler_t evt_handler)
Vincent Coubard 640:c90ae1400bf2 54 {
Vincent Coubard 640:c90ae1400bf2 55 uint32_t err_code;
Vincent Coubard 640:c90ae1400bf2 56
Vincent Coubard 640:c90ae1400bf2 57 m_evt_handler = evt_handler;
Vincent Coubard 640:c90ae1400bf2 58
Vincent Coubard 640:c90ae1400bf2 59 // Initialize Radio Notification software interrupt
Vincent Coubard 640:c90ae1400bf2 60 err_code = sd_nvic_ClearPendingIRQ(SWI1_IRQn);
Vincent Coubard 640:c90ae1400bf2 61 if (err_code != NRF_SUCCESS)
Vincent Coubard 640:c90ae1400bf2 62 {
Vincent Coubard 640:c90ae1400bf2 63 return err_code;
Vincent Coubard 640:c90ae1400bf2 64 }
Vincent Coubard 640:c90ae1400bf2 65
Vincent Coubard 640:c90ae1400bf2 66 err_code = sd_nvic_SetPriority(SWI1_IRQn, irq_priority);
Vincent Coubard 640:c90ae1400bf2 67 if (err_code != NRF_SUCCESS)
Vincent Coubard 640:c90ae1400bf2 68 {
Vincent Coubard 640:c90ae1400bf2 69 return err_code;
Vincent Coubard 640:c90ae1400bf2 70 }
Vincent Coubard 640:c90ae1400bf2 71
Vincent Coubard 640:c90ae1400bf2 72 err_code = sd_nvic_EnableIRQ(SWI1_IRQn);
Vincent Coubard 640:c90ae1400bf2 73 if (err_code != NRF_SUCCESS)
Vincent Coubard 640:c90ae1400bf2 74 {
Vincent Coubard 640:c90ae1400bf2 75 return err_code;
Vincent Coubard 640:c90ae1400bf2 76 }
Vincent Coubard 640:c90ae1400bf2 77
Vincent Coubard 640:c90ae1400bf2 78 // Configure the event
Vincent Coubard 640:c90ae1400bf2 79 return sd_radio_notification_cfg_set(NRF_RADIO_NOTIFICATION_TYPE_INT_ON_BOTH, distance);
Vincent Coubard 640:c90ae1400bf2 80 }