src/arch/msp430fr5994lp/driver/stdin.cc


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

#include "driver/stdin.h"
#include <msp430.h>

void StandardInput::setup()
{
	UCA0IE |= UCRXIE;
}

bool StandardInput::hasKey()
{
	if (write_pos != read_pos) {
		return true;
	}
	return false;
}

char StandardInput::getKey()
{
	char ret = buffer[read_pos++];
	read_pos %= 8;
	return ret;
}

StandardInput kin;

__attribute__((interrupt(USCI_A0_VECTOR))) __attribute__((wakeup)) void handle_stdin()
{
	if (UCA0IFG & UCRXIFG) {
		kin.addKey(UCA0RXBUF);
	}
}