1 files changed, 35 insertions, 0 deletions
diff --git a/src/arch/atmega2560/driver/stdin2.cc b/src/arch/atmega2560/driver/stdin2.cc
new file mode 100644
index 0000000..f807e26
--- /dev/null
+++ b/src/arch/atmega2560/driver/stdin2.cc
@@ -0,0 +1,35 @@
+/*
+ * 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);
+}