+// 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 <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
-#ifndef ESP_FREERTOS_HOOKS_H
-#define ESP_FREERTOS_HOOKS_H
+// 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
* 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
*/
void esp_deregister_freertos_tick_hook(esp_freertos_tick_cb_t old_tick_cb);
+#ifdef __cplusplus
+}
+#endif
+
#endif
\ No newline at end of file