mirror of
https://github.com/espressif/ESP8266_RTOS_SDK.git
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b522e9a0e1
1. Remove unused or unsupported unit test 2. Add extra header file to pass compiling 3. Remove unsupported functions
26 lines
913 B
C
26 lines
913 B
C
// Copyright 2015-2017 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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#pragma once
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/**
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* @brief Return current CPU clock frequency
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* When frequency switching is performed, this frequency may change.
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* However it is guaranteed that the frequency never changes with a critical
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* section.
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*
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* @return CPU clock frequency, in Hz
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*/
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int esp_clk_cpu_freq(void);
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