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/*
* Copyright 2020 Birte Kristina Friesel
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "driver/stdin1.h"
#include <msp430.h>
void StandardInput1::setup()
{
UCA1CTLW0 |= UCSWRST;
P2SEL0 &= ~BIT6;
P2SEL1 |= BIT6;
UCA1CTLW0 &= ~UCSWRST;
UCA1IE |= UCRXIE;
}
bool StandardInput1::hasKey()
{
if (write_pos != read_pos) {
return true;
}
return false;
}
char StandardInput1::getKey()
{
char ret = buffer[read_pos++];
read_pos %= bufsize;
return ret;
}
StandardInput1 kin1;
__attribute__((interrupt(USCI_A1_VECTOR))) __attribute__((wakeup)) void handle_stdin1()
{
if (UCA1IFG & UCRXIFG) {
kin1.addKey(UCA1RXBUF);
}
}
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