STM32F4DoorControl/uart.c

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2021-02-13 19:39:00 +00:00
#include "uart.h"
#include <libopencm3/cm3/nvic.h>
#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/gpio.h>
void uart_setup() {
rcc_periph_clock_enable(RCC_GPIOB);
rcc_periph_clock_enable(RCC_USART3);
gpio_mode_setup(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO10 | GPIO11);
gpio_set_af(GPIOB, GPIO_AF7, GPIO10 | GPIO11);
usart_set_baudrate(USART3, 115200);
usart_set_databits(USART3, 8);
usart_set_stopbits(USART3, USART_STOPBITS_1);
usart_set_mode(USART3, USART_MODE_TX_RX);
usart_set_parity(USART3, USART_PARITY_NONE);
usart_set_flow_control(USART3, USART_FLOWCONTROL_NONE);
usart_enable(USART3);
usart_disable_tx_complete_interrupt(USART3);
usart_enable_tx_interrupt(USART3);
usart_enable_rx_interrupt(USART3);
}