update idf libs

tools/sdk/include/esp32/esp_freertos_hooks.h

@@ -0,0 +1,83 @@
+// 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 __ESP_FREERTOS_HOOKS_H__
+#define __ESP_FREERTOS_HOOKS_H__
+
+#include <stdbool.h>
+#include "esp_err.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/*
+ Definitions for the tickhook and idlehook callbacks
+*/
+typedef bool (*esp_freertos_idle_cb_t)();
+typedef void (*esp_freertos_tick_cb_t)();
+
+/**
+  * @brief  Register a callback to be called on the freertos idle hook
+  *         The callback should return true if it's okay for the core to
+  *         sleep until an interrupt (or FreeRTOS tick) happens and false
+  *         if it should be called again as fast as possible.
+  *
+  * @warning Idle callbacks MUST NOT, UNDER ANY CIRCUMSTANCES, CALL 
+  *          A FUNCTION THAT MIGHT BLOCK.
+  *
+  * @param  esp_freertos_idle_cb_t new_idle_cb : Callback to be called
+  *
+  * @return ESP_OK : Callback registered
+  * @return ESP_ERR_NO_MEM : No more space to register hook
+  */
+esp_err_t esp_register_freertos_idle_hook(esp_freertos_idle_cb_t new_idle_cb);
+
+/**
+  * @brief  Register a callback to be called on the freertos tick hook
+  *
+  * @param  esp_freertos_tick_cb_t new_tick_cb : Callback to be called
+  *
+  * @return ESP_OK : Callback registered
+  * @return ESP_ERR_NO_MEM : No more space to register hook
+  */
+esp_err_t esp_register_freertos_tick_hook(esp_freertos_tick_cb_t tick_cb);
+
+
+/**
+  * @brief  Unregister an idle callback registered earlier
+  *
+  * @param  esp_freertos_idle_cb_t new_idle_cb : Callback to be unregistered
+  *
+  * @return void
+  */
+void esp_deregister_freertos_idle_hook(esp_freertos_idle_cb_t old_idle_cb);
+
+
+/**
+  * @brief  Unregister a tick callback registered earlier
+  *
+  * @param  esp_freertos_idle_cb_t new_idle_cb : Callback to be unregistered
+  *
+  * @return void
+  */
+void esp_deregister_freertos_tick_hook(esp_freertos_tick_cb_t old_tick_cb);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif