blob: 862b71550ec9f8065787f4f22986c0558b0023b5 [file] [log] [blame]
* Copyright (c) 2020 Project CHIP Authors
* Copyright (c) 2020 Google LLC.
* All rights reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#pragma once
#if __cplusplus
extern "C" {
#include "FreeRTOS.h"
#include "event_groups.h"
#include "semphr.h"
#include "task.h"
#include "timers.h"
#include "sl_bt_api.h"
// Bluetooth event flag group
extern EventGroupHandle_t bluetooth_event_flags;
// Bluetooth event flag definitions
#define BLUETOOTH_EVENT_FLAG_STACK (0x01u) // Bluetooth task needs an update
#define BLUETOOTH_EVENT_FLAG_LL (0x02u) // Linklayer task needs an update
#define BLUETOOTH_EVENT_FLAG_CMD_WAITING (0x04u) // BGAPI command is waiting to be processed
#define BLUETOOTH_EVENT_FLAG_RSP_WAITING (0x08u) // BGAPI response is waiting to be processed
#define BLUETOOTH_EVENT_FLAG_EVT_WAITING (0x10u) // BGAPI event is waiting to be processed
#define BLUETOOTH_EVENT_FLAG_EVT_HANDLED (0x20u) // BGAPI event is handled
// Bluetooth event data pointer
extern volatile sl_bt_msg_t * bluetooth_evt;
// Function prototype for initializing Bluetooth stack.
typedef sl_status_t (*bluetooth_stack_init_func)();
* Start Bluetooth tasks. The given Bluetooth stack initialization function
* will be called at a proper time. Application should not initialize
* Bluetooth stack anywhere else.
* @param ll_priority link layer task priority
* @param stack_priority Bluetooth stack task priority
* @param initialize_bluetooth_stack The function for initializing Bluetooth stack
sl_status_t bluetooth_start(UBaseType_t ll_priority, UBaseType_t stack_priority,
bluetooth_stack_init_func initialize_bluetooth_stack);
// Set the callback for wakeup, Bluetooth task will call this when it has a new event
// It must only used to wake up application task, for example by posting task semaphore
typedef void (*wakeupCallback)(void);
void BluetoothSetWakeupCallback(wakeupCallback cb);
// Bluetooth stack needs an update
extern void BluetoothUpdate(void);
// Linklayer is updated
extern void BluetoothLLCallback(void);
// Mutex functions for using Bluetooth from multiple tasks
void BluetoothPend(void);
void BluetoothPost(void);
void vRaiseEventFlagBasedOnContext(EventGroupHandle_t xEventGroup, EventBits_t uxBitsToWaitFor);
BaseType_t vSendToQueueBasedOnContext(QueueHandle_t xQueue, void * xItemToQueue, TickType_t xTicksToWait,
BaseType_t * pxHigherPriorityTaskWoken);
#if __cplusplus