reflow-oven-control-sw/stm-firmware/updater/ram-code/uart.c

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#include "uart.h"
#include <reflow-controller/periph-config/shell-uart-config.h>
#include <stm32/stm32f4xx.h>
#include <string.h>
void uart_init(void)
{
SHELL_UART_RCC_REG |= SHELL_UART_RCC_MASK;
SHELL_UART_PERIPH->BRR = SHELL_UART_BRR_REG_VALUE;
SHELL_UART_PERIPH->CR2 = 0;
SHELL_UART_PERIPH->CR3 = 0;
SHELL_UART_PERIPH->CR1 = USART_CR1_TE | USART_CR1_UE;
}
void uart_send_char(char c)
{
while (!(SHELL_UART_PERIPH->SR & USART_SR_TXE));
SHELL_UART_PERIPH->DR = c;
}
void uart_send_string(const char *str)
{
int len, i;
len = strlen(str);
for (i = 0; i < len; i++) {
uart_send_char(str[i]);
}
}