#ifndef USART_H
#define USART_H

#include "stm32.h"
#include "interrupt.h"
#include "thread.h"

inline void usart_enable() {
	RCC.enable(RCC.USART1);
	USART1.BRR = 625; // 115200 baud
	USART1.CR1 = 0x202c;
	
	Interrupt::enable(Interrupt::USART1);
}

inline void usart_send(uint8_t data) {
	while(!(USART1.SR & 0x80)) {
		Thread::yield();
	} // Wait for TXE.
	
	USART1.DR = data;
}

#endif