Commit 8cdcdcf7 authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

add arduino nano stdin driver

parent 3875f37b

include/arduino-nano/driver/stdin.h

0 → 100644
+24 −0
Original line number Diff line number Diff line 
#ifndef STANDARDINPUT_H

#define STANDARDINPUT_H



class StandardInput {

	private:

		StandardInput(const StandardInput &copy);

		char buffer[8];

		unsigned char write_pos, read_pos;



	public:

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

		void setup();

		bool hasKey();

		char getKey();



		inline void addKey(char key) {

			buffer[write_pos++] = key;

			write_pos %= 8;

		}

};



extern StandardInput kin;



#endif

src/arch/arduino-nano/Makefile.inc

+4 −0
Original line number Diff line number Diff line
@@ -23,6 +23,10 @@ TARGETS += src/arch/arduino-nano/driver/gpio.cc 
TARGETS += src/arch/arduino-nano/driver/stdout.cc

TARGETS += src/arch/arduino-nano/driver/uptime.cc



ifneq ($(findstring stdin,${arch_drivers}), )

	TARGETS += src/arch/arduino-nano/driver/stdin.cc

endif



OBJECTS = ${TARGETS:.cc=.o}



.cc.o:

src/arch/arduino-nano/arch.cc

+8 −1
Original line number Diff line number Diff line
@@ -24,10 +24,14 @@ void Arch::setup(void) 
	sei();

}



#ifdef WITH_WAKEUP

void wakeup();

#endif



#if defined(WITH_LOOP) || defined(TIMER_S)



#include "driver/uptime.h"

extern void loop();

void loop();



#endif
@@ -41,6 +45,9 @@ void Arch::idle_loop(void) 
#ifdef WITH_LOOP

		loop();

#endif

#ifdef WITH_WAKEUP

		wakeup();

#endif

#ifdef TIMER_S

		uptime.tick_s();

#endif

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

0 → 100644
+32 −0
Original line number Diff line number Diff line 
#include "driver/stdin.h"

#include <avr/io.h>

#include <avr/interrupt.h>



void StandardInput::setup()

{

	UCSR0B |= _BV(RXCIE0);

}



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;



ISR(USART_RX_vect)

{

	while (UCSR0A & _BV(RXC0)) {

		kin.addKey(UDR0);

	}

}