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+// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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+//
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+// Licensed under the Apache License, Version 2.0 (the "License");
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+// you may not use this file except in compliance with the License.
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+// You may obtain a copy of the License at
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+
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+// http://www.apache.org/licenses/LICENSE-2.0
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+//
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+// Unless required by applicable law or agreed to in writing, software
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+// distributed under the License is distributed on an "AS IS" BASIS,
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+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+// See the License for the specific language governing permissions and
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+// limitations under the License.
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+
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+#include <stddef.h>
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+#include <stdlib.h>
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+#include <stdio.h>
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+
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+#include "freertos/FreeRTOS.h"
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+#include "freertos/task.h"
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+#include "freertos/queue.h"
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+#include "freertos/semphr.h"
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+#include "freertos/xtensa_api.h"
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+#include "freertos/portmacro.h"
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+#include "esp_types.h"
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+#include "esp_system.h"
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+#include "esp_intr.h"
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+#include "esp_attr.h"
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+#include "bt.h"
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+
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+#if CONFIG_BT_ENABLED
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+
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+static bt_app_startup_cb_t app_startup_cb;
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+static void *app_startup_ctx;
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+
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+#define BT_DEBUG(...)
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+#define BT_API_CALL_CHECK(info, api_call, ret) \
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+do{\
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+ esp_err_t __err = (api_call);\
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+ if ((ret) != __err) {\
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+ BT_DEBUG("%s %d %s ret=%d\n", __FUNCTION__, __LINE__, (info), __err);\
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+ return __err;\
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+ }\
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+} while(0)
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+
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+extern void btdm_controller_init(void);
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+extern void API_osi_funcs_register(void *osi_funcs);
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+
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+struct osi_funcs_t {
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+ xt_handler (*_set_isr)(int n, xt_handler f, void *arg);
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+ void (*_ints_on)(unsigned int mask);
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+ void (*_interrupt_disable)(void);
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+ void (*_interrupt_restore)(void);
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+ void (*_task_yield)(void);
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+ void *(*_semphr_create)(uint32_t max, uint32_t init);
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+ void *(*_semphr_give_from_isr)(void *semphr, void *hptw);
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+ void *(*_semphr_take)(void *semphr, uint32_t block_time);
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+ esp_err_t (* _read_efuse_mac)(uint8_t mac[6]);
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+};
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+
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+static portMUX_TYPE global_int_mux = portMUX_INITIALIZER_UNLOCKED;
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+
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+static inline void IRAM_ATTR interrupt_disable(void)
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+{
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+ portENTER_CRITICAL(&global_int_mux);
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+}
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+
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+static inline void IRAM_ATTR interrupt_restore(void)
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+{
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+ portEXIT_CRITICAL(&global_int_mux);
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+}
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+
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+static inline void *IRAM_ATTR semphr_take_wrapped(void *semphr, uint32_t block_time)
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+{
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+ return (void *)xSemaphoreTake(semphr, block_time);
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+}
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+
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+static struct osi_funcs_t osi_funcs = {
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+ ._set_isr = xt_set_interrupt_handler,
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+ ._ints_on = xt_ints_on,
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+ ._interrupt_disable = interrupt_disable,
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+ ._interrupt_restore = interrupt_restore,
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+ ._task_yield = vPortYield,
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+ ._semphr_create = xQueueCreateCountingSemaphore,
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+ ._semphr_give_from_isr = (void *)xQueueGiveFromISR,
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+ ._semphr_take = semphr_take_wrapped,
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+ ._read_efuse_mac = system_efuse_read_mac,
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+};
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+
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+static void bt_controller_task(void *pvParam)
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+{
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+ API_osi_funcs_register(&osi_funcs);
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+ btdm_controller_init();
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+}
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+
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+
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+static void bt_init_task(void *pvParameters)
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+{
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+ xTaskCreatePinnedToCore(bt_controller_task, "btControllerTask", BT_CONTROLLER_TASK_STACK_SIZE, NULL, BT_CONTROLLER_TASK_PRIO, NULL, 0);
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+
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+ if (app_startup_cb)
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+ app_startup_cb(app_startup_ctx);
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+
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+ vTaskDelete(NULL);
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+}
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+
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+
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+esp_err_t esp_bt_startup(bt_app_startup_cb_t cb, void *ctx)
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+{
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+ app_startup_cb = cb;
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+ app_startup_ctx = ctx;
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+
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+ xTaskCreatePinnedToCore(bt_init_task, "btInitTask", BT_INIT_TASK_STACK_SIZE, NULL, BT_INIT_TASK_PRIO, NULL, 0);
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+
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+ return ESP_OK;
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+}
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+#endif
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snake