# Name: Makefile
# Project: Test3
# Author: JCSilva
# Creation Date: 2016-08-07
# Tabsize: 4
# Copyright:
# License: GNU GPL v2 (see License.txt)
# This Revision: $Id: Makefile,v 1.1 2016/08/04 20:56:04 jcsilva Exp $

DEVICE=attiny15
CLOCK=1600000

# Programmer
UISP = avrdude -c dragon_isp -p $(DEVICE)
# The two lines above are for "uisp" and the AVR910 serial programmer connected
# to a Keyspan USB to serial converter to a Mac running Mac OS X.
# Choose your favorite programmer and interface.

COMPILE = avr-gcc -Wall -Os -I. -mmcu=$(DEVICE) -DF_CPU=$(CLOCK) -DDEBUG_LEVEL=0

#include all objects
OBJECTS = main.o

# symbolic targets:
all:    main.hex

.c.o:
    $(COMPILE) -c $< -o $@

.S.o:
    $(COMPILE) -x assembler-with-cpp -Wa,--gstabs -c $< -o $@
# "-x assembler-with-cpp" should not be necessary since this is the default
# file type for the .S (with capital S) extension. However, upper case
# characters are not always preserved on Windows. To ensure WinAVR
# compatibility define the file type manually.

.c.s:
    $(COMPILE) -S $< -o $@

#This works as follows, writes the flash and verifies, writes the eeprom
# and verifies, writes the fuses and finally, reads the calibration byte
# to file calbyte.hex and the reprograms (only this byte) in the flash
# at the position of change-addresses
flash:  all
    $(UISP) -e -U flash:w:main.hex -U flash:v:main.hex \
    -U eeprom:w:sine.raw -U eeprom:v:sine.raw -U fuse:w:0xd3:m \
    -U calibration:r:calbyte.hex:i
    avr-objcopy --change-addresses=0x3ff calbyte.hex calbyte_s1.hex
    sleep 5
    $(UISP) -D -U flash:w:calbyte_s1.hex:i

fuse:
    $(UISP) -U fuse:w:0xd3:m

clean:
    rm -f *.hex main.lst main.obj main.cof main.list main.map main.eep main.elf main.bin main.sym *.o

# file targets:
main.elf:   $(OBJECTS)
    $(COMPILE) -o main.elf $(OBJECTS)

main.hex:   main.elf
    rm -f main.hex main.eep
    avr-objcopy -j .text -j .data -O ihex main.elf main.hex
    avr-objcopy -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O ihex main.elf main.eep
    avr-size  -A -x main.elf
# do the checksize script as our last action to allow successful compilation
# on Windows with WinAVR where the Unix commands will fail.

disasm: main.elf
    avr-objdump -h -S -d main.elf > main.lst
    cat main.lst
    avr-nm -n main.elf > main.sym
    cat main.sym
    avr-size -A -x main.elf