xref: /nrf52832-nimble/packages/NimBLE-latest/porting/npl/freertos/src/nimble_port_freertos.c (revision 042d53a763ad75cb1465103098bb88c245d95138)
1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements.  See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership.  The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the
7  * "License"); you may not use this file except in compliance
8  * with the License.  You may obtain a copy of the License at
9  *
10  *  http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing,
13  * software distributed under the License is distributed on an
14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15  * KIND, either express or implied.  See the License for the
16  * specific language governing permissions and limitations
17  * under the License.
18  */
19 
20 #include <stddef.h>
21 #include "FreeRTOS.h"
22 #include "task.h"
23 #include "nimble/nimble_port.h"
24 
25 #if NIMBLE_CFG_CONTROLLER
26 static TaskHandle_t ll_task_h;
27 #endif
28 static TaskHandle_t host_task_h;
29 
30 void
nimble_port_freertos_init(TaskFunction_t host_task_fn)31 nimble_port_freertos_init(TaskFunction_t host_task_fn)
32 {
33 #if NIMBLE_CFG_CONTROLLER
34     /*
35      * Create task where NimBLE LL will run. This one is required as LL has its
36      * own event queue and should have highest priority. The task function is
37      * provided by NimBLE and in case of FreeRTOS it does not need to be wrapped
38      * since it has compatible prototype.
39      */
40     xTaskCreate(nimble_port_ll_task_func, "ll", configMINIMAL_STACK_SIZE + 400,
41                 NULL, configMAX_PRIORITIES - 1, &ll_task_h);
42 #endif
43 
44     /*
45      * Create task where NimBLE host will run. It is not strictly necessary to
46      * have separate task for NimBLE host, but since something needs to handle
47      * default queue it is just easier to make separate task which does this.
48      */
49     xTaskCreate(host_task_fn, "ble", configMINIMAL_STACK_SIZE + 400,
50                 NULL, tskIDLE_PRIORITY + 1, &host_task_h);
51 }
52