esp-idf/components/esp32/include/esp_crosscore_int.h
2017-10-18 12:31:38 +08:00

55 lines
1.7 KiB
C

// 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_CROSSCORE_INT_H
#define __ESP_CROSSCORE_INT_H
/**
* Initialize the crosscore interrupt system for this CPU.
* This needs to be called once on every CPU that is used
* by FreeRTOS.
*
* If multicore FreeRTOS support is enabled, this will be
* called automatically by the startup code and should not
* be called manually.
*/
void esp_crosscore_int_init();
/**
* Send an interrupt to a CPU indicating it should yield its
* currently running task in favour of a higher-priority task
* that presumably just woke up.
*
* This is used internally by FreeRTOS in multicore mode
* and should not be called by the user.
*
* @param core_id Core that should do the yielding
*/
void esp_crosscore_int_send_yield(int core_id);
/**
* Send an interrupt to a CPU indicating it should update its
* CCOMPARE1 value due to a frequency switch.
*
* This is used internally when dynamic frequency switching is
* enabled, and should not be called from application code.
*
* @param core_id Core that should update its CCOMPARE1 value
*/
void esp_crosscore_int_send_freq_switch(int core_id);
#endif