Commit 1249920a authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

arduino-nano stdout: add pprint (pgmspace string output)

parent 8578e1ea

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

+2 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
#ifndef STANDARDOUTPUT_H

#define STANDARDOUTPUT_H



#include <avr/pgmspace.h>

#include "object/outputstream.h"



class StandardOutput : public OutputStream {
@@ -17,6 +18,7 @@ class StandardOutput : public OutputStream { 
		void setup();



		virtual void put(char c) override;

		OutputStream & pprint(const char *text);

};



extern StandardOutput kout;

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

+10 −1
Original line number Diff line number Diff line
@@ -5,7 +5,6 @@ 
 */

#include "driver/stdout.h"

#include <avr/io.h>

#include <avr/interrupt.h>



#ifndef BAUD

#define BAUD 9600UL
@@ -28,6 +27,16 @@ void StandardOutput::setup() 
	UCSR0C = _BV(UCSZ01) | _BV(UCSZ00);

}



OutputStream & StandardOutput::pprint(const char *text)

{

	PGM_P p = reinterpret_cast<PGM_P>(text);

	char c;

	while ((c = pgm_read_byte(p++))) {

		put(c);

	}

	return *this;

}



void StandardOutput::put(char c)

{

	while (!(UCSR0A & _BV(UDRE0)));