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#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
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