esp-idf/components/bt/bt.c

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3.8 KiB
C
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// 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.
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"
#include "freertos/semphr.h"
#include "freertos/xtensa_api.h"
#include "freertos/portmacro.h"
#include "esp_types.h"
#include "esp_system.h"
#include "esp_task.h"
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#include "esp_intr.h"
#include "esp_attr.h"
#include "bt.h"
#if CONFIG_BT_ENABLED
/* not for user call, so don't put to include file */
extern void btdm_osi_funcs_register(void *osi_funcs);
extern void btdm_controller_init(void);
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#define BT_DEBUG(...)
#define BT_API_CALL_CHECK(info, api_call, ret) \
do{\
esp_err_t __err = (api_call);\
if ((ret) != __err) {\
BT_DEBUG("%s %d %s ret=%d\n", __FUNCTION__, __LINE__, (info), __err);\
return __err;\
}\
} while(0)
struct osi_funcs_t {
xt_handler (*_set_isr)(int n, xt_handler f, void *arg);
void (*_ints_on)(unsigned int mask);
void (*_interrupt_disable)(void);
void (*_interrupt_restore)(void);
void (*_task_yield)(void);
void *(*_semphr_create)(uint32_t max, uint32_t init);
int32_t (*_semphr_give_from_isr)(void *semphr, void *hptw);
int32_t (*_semphr_take)(void *semphr, uint32_t block_time_ms);
void *(*_mutex_create)(void);
int32_t (*_mutex_lock)(void *mutex);
int32_t (*_mutex_unlock)(void *mutex);
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esp_err_t (* _read_efuse_mac)(uint8_t mac[6]);
};
static portMUX_TYPE global_int_mux = portMUX_INITIALIZER_UNLOCKED;
static void IRAM_ATTR interrupt_disable(void)
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{
portENTER_CRITICAL(&global_int_mux);
}
static void IRAM_ATTR interrupt_restore(void)
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{
portEXIT_CRITICAL(&global_int_mux);
}
static void * IRAM_ATTR semphr_create_wrapper(uint32_t max, uint32_t init)
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{
return (void *)xSemaphoreCreateCounting(max, init);
}
static int32_t IRAM_ATTR semphr_give_from_isr_wrapper(void *semphr, void *hptw)
{
return (int32_t)xSemaphoreGiveFromISR(semphr, hptw);
}
static int32_t IRAM_ATTR semphr_take_wrapper(void *semphr, uint32_t block_time_ms)
{
return (int32_t)xSemaphoreTake(semphr, block_time_ms / portTICK_RATE_MS);
}
static void * IRAM_ATTR mutex_create_wrapper(void)
{
return (void *)xSemaphoreCreateMutex();
}
static int32_t IRAM_ATTR mutex_lock_wrapper(void *mutex)
{
return (int32_t)xSemaphoreTake(mutex, portMAX_DELAY);
}
static int32_t IRAM_ATTR mutex_unlock_wrapper(void *mutex)
{
return (int32_t)xSemaphoreGive(mutex);
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}
static struct osi_funcs_t osi_funcs = {
._set_isr = xt_set_interrupt_handler,
._ints_on = xt_ints_on,
._interrupt_disable = interrupt_disable,
._interrupt_restore = interrupt_restore,
._task_yield = vPortYield,
._semphr_create = semphr_create_wrapper,
._semphr_give_from_isr = semphr_give_from_isr_wrapper,
._semphr_take = semphr_take_wrapper,
._mutex_create = mutex_create_wrapper,
._mutex_lock = mutex_lock_wrapper,
._mutex_unlock = mutex_unlock_wrapper,
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._read_efuse_mac = system_efuse_read_mac,
};
static void bt_controller_task(void *pvParam)
{
btdm_osi_funcs_register(&osi_funcs);
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btdm_controller_init();
}
void bt_controller_init()
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{
xTaskCreatePinnedToCore(bt_controller_task, "btController",
ESP_TASK_BT_CONTROLLER_STACK, NULL,
ESP_TASK_BT_CONTROLLER_PRIO, NULL, 0);
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}
#endif