30 lines
667 B
Plaintext
30 lines
667 B
Plaintext
/*
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* Copyright (c) 2022, Thomas Stranger
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/*
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* Example configuration of a DS18b20 device on an Arduino serial bus, using
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* the zephyr-serial 1-Wire driver.
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* Open drain configuration allows communication by simply connecting the bus
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* line to the UART RX pin as well as the TX pin
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* An external pull-up should be added anyways.
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*/
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#include "serial_overlay.dtsi"
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&pinctrl {
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uart1_default: uart1_default {
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group1 {
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psels = <NRF_PSEL(UART_RX, 1, 1)>;
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bias-pull-up;
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};
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group2 {
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psels = <NRF_PSEL(UART_TX, 1, 2)>;
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/* max. 5mA drive strength: */
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nordic,drive-mode = <NRF_DRIVE_H0D1>;
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};
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};
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};
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