Datasheet

21 | Page

delay();

output_low (PORTB,2);

output_high(PORTB,1);

delay();

output_low (PORTB,1);

} // forever

} // main

Makefile

# Makefile:

# Make the GertDuino m328p firmware.

#################################################################################

# This file is part of gertduino-m328:

#Software to run on the Atmega328p processor on the Gerduino board

#Can be used for the Atmega328p processor on the GERTBOARD as well

# This is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

# This is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License

# along with this. If not, see <http://www.gnu.org/licenses/>.

#################################################################################

TARGET=blink

MCU=atmega328p

FREWQ=16000000

# Debug

#DEBUG = -gstabs

# C flags

CC = avr-gcc

#CFLAGS = $(DEBUG) -O3 -Wall -std=gnu99 -mmcu=$(MCU) -DF_CPU=$(FREWQ) $(INCLUDE)

CFLAGS = $(DEBUG) -O2 -mcall-prologues -Wall -std=gnu99 -mmcu=$(MCU) -

DF_CPU=$(FREWQ) $(INCLUDE)

LD = avr-gcc

#LDFLAGS2=-Wl,-uvfprintf -lprintf_flt

LDFLAGS = -mmcu=$(MCU) $(DEBUG) $(LIBLOC) $(LDFLAGS2)

#LIBS = -ldross -lm

SRC = $(TARGET).c

OBJ = $(SRC:.c=.o)

all: $(TARGET).hex

$(TARGET).hex: $(TARGET).elf

@echo [hex] $<