// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// 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

//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef __THREAD_H__
#define __THREAD_H__

#include <stdbool.h>
#include "freertos/xtensa_api.h"
#include "freertos/FreeRTOSConfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/queue.h"
#include "freertos/task.h"
#include "esp_task.h"
#include "bt_common.h"

#define portBASE_TYPE int

struct bt_task_evt {
    uint32_t    sig;    //task sig
    void       *par;    //point to task param
    void       *cb;     //point to function cb
    void       *arg;    //point to function arg
};
typedef struct bt_task_evt BtTaskEvt_t;

typedef bt_status_t (* BtTaskCb_t)(void *arg);

typedef enum {
    SIG_HCI_HAL_RECV_PACKET = 0,
    SIG_HCI_HAL_NUM,
} SIG_HCI_HAL_t;


typedef enum {
    SIG_HCI_HOST_SEND_AVAILABLE = 0,
    SIG_HCI_HOST_NUM,
} SIG_HCI_HOST_t;

typedef enum {
    SIG_BTU_START_UP = 0,
    SIG_BTU_HCI_MSG,
    SIG_BTU_BTA_MSG,
    SIG_BTU_BTA_ALARM,
    SIG_BTU_GENERAL_ALARM,
    SIG_BTU_ONESHOT_ALARM,
    SIG_BTU_L2CAP_ALARM,
    SIG_BTU_NUM,
} SIG_BTU_t;

#define HCI_HOST_TASK_PINNED_TO_CORE    (TASK_PINNED_TO_CORE)
#define HCI_HOST_TASK_STACK_SIZE        (2048 + BT_TASK_EXTRA_STACK_SIZE)
#define HCI_HOST_TASK_PRIO              (configMAX_PRIORITIES - 3)
#define HCI_HOST_TASK_NAME              "hciHostT"
#define HCI_HOST_QUEUE_LEN              40

#define HCI_H4_TASK_PINNED_TO_CORE      (TASK_PINNED_TO_CORE)
#define HCI_H4_TASK_STACK_SIZE          (2048 + BT_TASK_EXTRA_STACK_SIZE)
#define HCI_H4_TASK_PRIO                (configMAX_PRIORITIES - 4)
#define HCI_H4_TASK_NAME                "hciH4T"
#define HCI_H4_QUEUE_LEN                1

#define BTU_TASK_PINNED_TO_CORE         (TASK_PINNED_TO_CORE)
#define BTU_TASK_STACK_SIZE             (CONFIG_BTU_TASK_STACK_SIZE + BT_TASK_EXTRA_STACK_SIZE)
#define BTU_TASK_PRIO                   (configMAX_PRIORITIES - 5)
#define BTU_TASK_NAME                   "btuT"
#define BTU_QUEUE_LEN                   50

#define BTC_A2DP_SINK_TASK_PINNED_TO_CORE     (TASK_PINNED_TO_CORE)
#define BTC_A2DP_SINK_TASK_STACK_SIZE         (CONFIG_A2DP_SINK_TASK_STACK_SIZE + BT_TASK_EXTRA_STACK_SIZE) // by menuconfig
#define BTC_A2DP_SINK_TASK_NAME               "BtA2dSinkT"
#define BTC_A2DP_SINK_TASK_PRIO               (configMAX_PRIORITIES - 3)
#define BTC_A2DP_SINK_DATA_QUEUE_LEN          (3)
#define BTC_A2DP_SINK_CTRL_QUEUE_LEN          (5)
#define BTC_A2DP_SINK_TASK_QUEUE_SET_LEN      (BTC_A2DP_SINK_DATA_QUEUE_LEN + BTC_A2DP_SINK_CTRL_QUEUE_LEN)

#define BTC_A2DP_SOURCE_TASK_PINNED_TO_CORE   (TASK_PINNED_TO_CORE)
#define BTC_A2DP_SOURCE_TASK_STACK_SIZE       (CONFIG_A2DP_SOURCE_TASK_STACK_SIZE + BT_TASK_EXTRA_STACK_SIZE) // by menuconfig
#define BTC_A2DP_SOURCE_TASK_NAME             "BtA2dSourceT"
#define BTC_A2DP_SOURCE_TASK_PRIO             (configMAX_PRIORITIES - 3)
#define BTC_A2DP_SOURCE_DATA_QUEUE_LEN        (1)
#define BTC_A2DP_SOURCE_CTRL_QUEUE_LEN        (5)
#define BTC_A2DP_SOURCE_TASK_QUEUE_SET_LEN    (BTC_A2DP_SOURCE_DATA_QUEUE_LEN + BTC_A2DP_SOURCE_CTRL_QUEUE_LEN)

#define TASK_POST_NON_BLOCKING          (0)
#define TASK_POST_BLOCKING              (portMAX_DELAY)
typedef uint32_t task_post_t;           /* Timeout of task post return, unit TICK */

typedef enum {
    TASK_POST_SUCCESS = 0,
    TASK_POST_FAIL,
} task_post_status_t;

task_post_status_t btu_task_post(uint32_t sig, void *param, task_post_t timeout);
task_post_status_t hci_host_task_post(task_post_t timeout);
task_post_status_t hci_hal_h4_task_post(task_post_t timeout);

#endif /* __THREAD_H__ */