From cb968a77638a2d41cbd6a27f5dcb36eea49c2002 Mon Sep 17 00:00:00 2001 From: OlimexSupport Date: Tue, 14 May 2024 09:44:00 +0300 Subject: [PATCH] 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 Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com> --- variants/esp32-gateway/variant.cpp | 35 ++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 variants/esp32-gateway/variant.cpp diff --git a/variants/esp32-gateway/variant.cpp b/variants/esp32-gateway/variant.cpp new file mode 100644 index 00000000000..045cc145979 --- /dev/null +++ b/variants/esp32-gateway/variant.cpp @@ -0,0 +1,35 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2024 Olimex Ltd (support@olimex.com) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "esp32-hal-gpio.h" +#include "pins_arduino.h" +#include "driver/gpio.h" + +extern "C" { +// Initialize variant/board, called before setup() +void initVariant(void) { + // Change the drive strength of the digital output num 17 from the default value 20mA to 5mA + gpio_set_drive_capability((gpio_num_t)GPIO_NUM_17, GPIO_DRIVE_CAP_0); +} +}