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26 lines
941 B
C
26 lines
941 B
C
/*
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* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include "pico/stdlib.h"
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#if LIB_PICO_STDIO_UART
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#include "pico/stdio_uart.h"
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#else
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#include "pico/binary_info.h"
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#endif
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void setup_default_uart(void) {
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#if LIB_PICO_STDIO_UART
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stdio_uart_init();
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#elif defined(PICO_DEFAULT_UART_BAUD_RATE) && defined(PICO_DEFAULT_UART_TX_PIN) && defined(PICO_DEFAULT_UART_RX_PIN)
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// this is mostly for backwards compatibility - stdio_uart_init is a bit more nuanced, and usually likely to be present
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uart_init(uart_default, PICO_DEFAULT_UART_BAUD_RATE);
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if (PICO_DEFAULT_UART_TX_PIN >= 0)
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gpio_set_function(PICO_DEFAULT_UART_TX_PIN, GPIO_FUNC_UART);
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if (PICO_DEFAULT_UART_RX_PIN >= 0)
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gpio_set_function(PICO_DEFAULT_UART_RX_PIN, GPIO_FUNC_UART);
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bi_decl_if_func_used(bi_2pins_with_func(PICO_DEFAULT_UART_RX_PIN, PICO_DEFAULT_UART_TX_PIN, GPIO_FUNC_UART));
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#endif
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}
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