110 lines
4.0 KiB
C
110 lines
4.0 KiB
C
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/**
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* Copyright (c) 2017 - 2020, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "nrf_sdh_freertos.h"
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#include "nrf_sdh.h"
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/* Group of FreeRTOS-related includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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#include "queue.h"
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#include "semphr.h"
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#define NRF_LOG_MODULE_NAME nrf_sdh_freertos
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#include "nrf_log.h"
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NRF_LOG_MODULE_REGISTER();
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#define NRF_BLE_FREERTOS_SDH_TASK_STACK 256
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static TaskHandle_t m_softdevice_task; //!< Reference to SoftDevice FreeRTOS task.
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static nrf_sdh_freertos_task_hook_t m_task_hook; //!< A hook function run by the SoftDevice task before entering its loop.
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void SD_EVT_IRQHandler(void)
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{
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BaseType_t yield_req = pdFALSE;
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vTaskNotifyGiveFromISR(m_softdevice_task, &yield_req);
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/* Switch the task if required. */
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portYIELD_FROM_ISR(yield_req);
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}
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/* This function gets events from the SoftDevice and processes them. */
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static void softdevice_task(void * pvParameter)
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{
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NRF_LOG_DEBUG("Enter softdevice_task.");
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if (m_task_hook != NULL)
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{
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m_task_hook(pvParameter);
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}
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while (true)
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{
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nrf_sdh_evts_poll(); /* let the handlers run first, incase the EVENT occured before creating this task */
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(void) ulTaskNotifyTake(pdTRUE, /* Clear the notification value before exiting (equivalent to the binary semaphore). */
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portMAX_DELAY); /* Block indefinitely (INCLUDE_vTaskSuspend has to be enabled).*/
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}
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}
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void nrf_sdh_freertos_init(nrf_sdh_freertos_task_hook_t hook_fn, void * p_context)
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{
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NRF_LOG_DEBUG("Creating a SoftDevice task.");
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m_task_hook = hook_fn;
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BaseType_t xReturned = xTaskCreate(softdevice_task,
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"BLE",
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NRF_BLE_FREERTOS_SDH_TASK_STACK,
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p_context,
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2,
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&m_softdevice_task);
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if (xReturned != pdPASS)
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{
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NRF_LOG_ERROR("SoftDevice task not created.");
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APP_ERROR_HANDLER(NRF_ERROR_NO_MEM);
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}
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}
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