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/*
* Copyright 2020 Daniel Friesel
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "driver/stdout.h"
#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/gpio.h>
#include <libopencm3/stm32/usart.h>
void StandardOutput::setup()
{
rcc_periph_clock_enable(RCC_USART2);
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO2);
gpio_set_af(GPIOA, GPIO_AF7, GPIO2);
usart_set_baudrate(USART2, 115200);
usart_set_databits(USART2, 8);
usart_set_stopbits(USART2, USART_STOPBITS_1);
usart_set_mode(USART2, USART_MODE_TX);
usart_set_parity(USART2, USART_PARITY_NONE);
usart_set_flow_control(USART2, USART_FLOWCONTROL_NONE);
usart_enable(USART2);
}
void StandardOutput::put(char c)
{
usart_send_blocking(USART2, c);
if (c == '\n') {
put('\r');
}
}
StandardOutput kout;
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