Unverified Commit cac790cd authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

Arduino Nano: stdin: Increase buffer size; add .disable() method

parent e795564f

include/arch/arduino-nano/driver/stdin.h

+3 −2
Original line number Diff line number Diff line
@@ -9,18 +9,19 @@ 
class StandardInput {

	private:

		StandardInput(const StandardInput &copy);

		char buffer[8];

		char buffer[32];

		unsigned char write_pos, read_pos;



	public:

		StandardInput() : write_pos(0), read_pos(0) {}

		void setup();

		void disable();

		bool hasKey();

		char getKey();



		inline void addKey(char key) {

			buffer[write_pos] = key;

			write_pos = (write_pos + 1) % 8;

			write_pos = (write_pos + 1) % (sizeof(buffer) / sizeof(buffer[0]));

		}

};

src/arch/arduino-nano/driver/stdin.cc

+6 −1
Original line number Diff line number Diff line
@@ -12,6 +12,11 @@ void StandardInput::setup() 
	UCSR0B |= _BV(RXCIE0);

}



void StandardInput::disable()

{

	UCSR0B &= ~_BV(RXCIE0);

}



bool StandardInput::hasKey()

{

	if (write_pos != read_pos) {
@@ -23,7 +28,7 @@ bool StandardInput::hasKey() 
char StandardInput::getKey()

{

	char ret = buffer[read_pos++];

	read_pos %= 8;

	read_pos %= sizeof(buffer) / sizeof(buffer[0]);

	return ret;

}