--- /dev/null
+// 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_intr.h"
+#include "esp_attr.h"
+#include "bt.h"
+
+#if CONFIG_BT_ENABLED
+
+static bt_app_startup_cb_t app_startup_cb;
+static void *app_startup_ctx;
+
+#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)
+
+extern void btdm_controller_init(void);
+extern void API_osi_funcs_register(void *osi_funcs);
+
+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);
+ void *(*_semphr_give_from_isr)(void *semphr, void *hptw);
+ void *(*_semphr_take)(void *semphr, uint32_t block_time);
+ esp_err_t (* _read_efuse_mac)(uint8_t mac[6]);
+};
+
+static portMUX_TYPE global_int_mux = portMUX_INITIALIZER_UNLOCKED;
+
+static inline void IRAM_ATTR interrupt_disable(void)
+{
+ portENTER_CRITICAL(&global_int_mux);
+}
+
+static inline void IRAM_ATTR interrupt_restore(void)
+{
+ portEXIT_CRITICAL(&global_int_mux);
+}
+
+static inline void *IRAM_ATTR semphr_take_wrapped(void *semphr, uint32_t block_time)
+{
+ return (void *)xSemaphoreTake(semphr, block_time);
+}
+
+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 = xQueueCreateCountingSemaphore,
+ ._semphr_give_from_isr = (void *)xQueueGiveFromISR,
+ ._semphr_take = semphr_take_wrapped,
+ ._read_efuse_mac = system_efuse_read_mac,
+};
+
+static void bt_controller_task(void *pvParam)
+{
+ API_osi_funcs_register(&osi_funcs);
+ btdm_controller_init();
+}
+
+
+static void bt_init_task(void *pvParameters)
+{
+ xTaskCreatePinnedToCore(bt_controller_task, "btControllerTask", BT_CONTROLLER_TASK_STACK_SIZE, NULL, BT_CONTROLLER_TASK_PRIO, NULL, 0);
+
+ if (app_startup_cb)
+ app_startup_cb(app_startup_ctx);
+
+ vTaskDelete(NULL);
+}
+
+
+esp_err_t esp_bt_startup(bt_app_startup_cb_t cb, void *ctx)
+{
+ app_startup_cb = cb;
+ app_startup_ctx = ctx;
+
+ xTaskCreatePinnedToCore(bt_init_task, "btInitTask", BT_INIT_TASK_STACK_SIZE, NULL, BT_INIT_TASK_PRIO, NULL, 0);
+
+ return ESP_OK;
+}
+#endif
--- /dev/null
+#ifndef __BT_H__
+#define __BT_H__
+
+#include "freertos/FreeRTOS.h"
+#include "esp_err.h"
+
+#define BT_TASK_PRIO_MAX (configMAX_PRIORITIES)
+#define BT_TASK_PRIO_MIN (0)
+
+/* bt init */
+#define BT_INIT_TASK_PRIO (BT_TASK_PRIO_MAX-1)
+#define BT_INIT_TASK_STACK_SIZE (2048)
+/* controller */
+#define BT_CONTROLLER_TASK_PRIO (BT_TASK_PRIO_MAX-3)
+#define BT_CONTROLLER_TASK_STACK_SIZE (4096)
+
+typedef void (* bt_app_startup_cb_t)(void *param);
+
+esp_err_t esp_bt_startup(bt_app_startup_cb_t cb, void *ctx);
+
+typedef struct vhci_host_callback {
+ void (*notify_host_send_available)(void);
+ int (*notify_host_recv)(uint8_t *data, uint16_t len);
+} vhci_host_callback_t;
+
+extern bool API_vhci_host_check_send_available(void);
+extern void API_vhci_host_send_packet(uint8_t *data, uint16_t len);
+extern void API_vhci_host_register_callback(const vhci_host_callback_t *callback);
+
+#endif /* __BT_H__ */
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