22 lines
516 B
Plaintext
22 lines
516 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.
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* Open drain configuration allows communication by simply connecting the bus
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* line to:
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* a) the UART RX pin as well as the TX pin.
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* b) the UART TX pin only, while the single wire half-duplex mode is enabled.
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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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&usart1_tx_pc4 {
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drive-open-drain;
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bias-pull-up;
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};
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