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Reduced GPIO17 (Ethernet clock GPIO) signal strength to reduce noise. (#9623)
* Create variant.cpp Reduced Ethernet clock GPIO signal strength to reduce noise. * ci(pre-commit): Apply automatic fixes --------- Co-authored-by: DanKoloff <lubchoh@yahoo.com> Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
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variants/esp32-gateway/variant.cpp
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variants/esp32-gateway/variant.cpp
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2024 Olimex Ltd (support@olimex.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "esp32-hal-gpio.h"
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#include "pins_arduino.h"
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#include "driver/gpio.h"
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extern "C" {
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// Initialize variant/board, called before setup()
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void initVariant(void) {
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// Change the drive strength of the digital output num 17 from the default value 20mA to 5mA
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gpio_set_drive_capability((gpio_num_t)GPIO_NUM_17, GPIO_DRIVE_CAP_0);
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}
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}
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