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/*
* Copyright 2020 Birte Kristina Friesel
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "driver/stdin2.h"
#include <avr/io.h>
#include <avr/interrupt.h>
void StandardInput2::setup()
{
UCSR2B |= _BV(RXCIE2);
}
bool StandardInput2::hasKey()
{
if (write_pos != read_pos) {
return true;
}
return false;
}
char StandardInput2::getKey()
{
char ret = buffer[read_pos++];
read_pos %= bufsize;
return ret;
}
StandardInput2 kin2;
ISR(USART2_RX_vect)
{
kin2.addKey(UDR2);
}
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