/* * Copyright (c) 2023 Yonatan Schachter * * SPDX-License-Identifier: Apache-2.0 */ #include #include #include int main(void) { char data; const struct device *uart0 = DEVICE_DT_GET(DT_NODELABEL(pio1_uart0)); const struct device *uart1 = DEVICE_DT_GET(DT_NODELABEL(pio1_uart1)); if (!device_is_ready(uart0)) { return 0; } if (!device_is_ready(uart1)) { return 0; } while (1) { if (!uart_poll_in(uart0, &data)) { uart_poll_out(uart0, data); } if (!uart_poll_in(uart1, &data)) { uart_poll_out(uart1, data); } } return 0; }