#include "uart_defines.h"
uint8_t uart_init(uint8_t uartno, uint32_t baudrate, uint8_t databits, uint8_t paraty, uint8_t stopbits);
+uint8_t uart_init_flow(uint8_t uartno, uint32_t baudrate, uint8_t databits, uint8_t paraty, uint8_t stopbits, uint8_t flowctrl);
void uart_putc(uint8_t uartno, uint8_t byte);
uint16_t uart_getc(uint8_t uartno);