#pragma once
#include <cstddef>
#include "stm32f0xx.h"

struct UART;

/// Non-blocking buffered write
size_t UARTWrite(UART*, const void *buf, size_t nbytes);
/// Blocking write directly into data register
size_t UARTWriteDirect(UART*, const void *buf, size_t nbytes);
/// Non-blocking buffered read
size_t UARTRead(UART*, void *buf, size_t nbytes);
/// Blocking read directly from data register
size_t UARTReadDirect(UART*, void *buf, size_t nbytes);
/// Generic interrupt handler
void UARTHandleInterrupt(UART*);

extern UART g_uart1;
extern UART g_uart2;
extern UART g_uart3;
extern UART g_uart4;