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https://github.com/espressif/esp-idf.git
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baa7898e35
1. update register file about adc; 2. fix adc driver; 3. add UT for adc/dac; See merge request espressif/esp-idf!7776
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
// Copyright 2015-2016 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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// 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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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "esp_err.h"
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/**
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* @brief For WIFI module to claim the usage of ADC2.
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*
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* Other tasks will be forbidden to use ADC2 between ``adc2_wifi_acquire`` and ``adc2_wifi_release``.
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* The WIFI module may have to wait for a short time for the current conversion (if exist) to finish.
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*
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* @return
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* - ESP_OK success
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* - ESP_ERR_TIMEOUT reserved for future use. Currently the function will wait until success.
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*/
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esp_err_t adc2_wifi_acquire(void);
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/**
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* @brief For WIFI module to let other tasks use the ADC2 when WIFI is not work.
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*
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* Other tasks will be forbidden to use ADC2 between ``adc2_wifi_acquire`` and ``adc2_wifi_release``.
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* Call this function to release the occupation of ADC2 by WIFI.
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*
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* @return always return ESP_OK.
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*/
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esp_err_t adc2_wifi_release(void);
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#ifdef __cplusplus
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}
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#endif
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