#ifndef USART_H
#define USART_H

template<>
void interrupt<Interrupt::USART1>() {
	USART1.DR;
	GPIOA.ODR ^= 1 << 5;
}

void usart_enable() {
	RCC.enable(RCC.USART1);
	USART1.BRR = 7500; // 9600 baud
	USART1.CR1 = 0x202c;
	
	Interrupt::enable(Interrupt::USART1);
}

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

#endif