| /* | |
| * Copyright (c) 2022, Thomas Stranger | |
| * | |
| * SPDX-License-Identifier: Apache-2.0 | |
| */ | |
| /* | |
| * Example configuration of a DS18B20 device on an Arduino serial bus. | |
| * Open drain configuration allows communication by simply connecting the bus | |
| * line to: | |
| * a) the UART RX pin as well as the TX pin. | |
| * b) the UART TX pin only, while the single wire half-duplex mode is enabled. | |
| * An external pull-up should be added anyways. | |
| */ | |
| #include "serial_overlay.dtsi" | |
| &usart1_tx_pc4 { | |
| drive-open-drain; | |
| bias-pull-up; | |
| }; |