##
##  spreadspace avr utils
##
##
##  Copyright (C) 2013-2018 Christian Pointner <equinox@spreadspace.org>
##
##  This file is part of spreadspace avr utils.
##
##  spreadspace avr utils 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
##  any later version.
##
##  spreadspace avr utils 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 spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
##

ifeq ($(BOARD_TYPE),teensy1)
  MCU := at90usb162
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := teensy
  LUFA_BOARD = TEENSY
endif
ifeq ($(BOARD_TYPE),teensy2)
  MCU := atmega32u4
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := teensy
  LUFA_BOARD = TEENSY2
  ARDUINO_PINS = leonardo
endif
ifeq ($(BOARD_TYPE),teensy1pp)
  MCU := at90usb646
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := teensy
  LUFA_BOARD = TEENSY
endif
ifeq ($(BOARD_TYPE),teensy2pp)
  MCU := at90usb1286
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := teensy
  LUFA_BOARD = TEENSY2
endif
ifeq ($(BOARD_TYPE),minimus)
  MCU := at90usb162
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := DFU
  LUFA_BOARD = MINIMUS
  RESET_FUNC := $(SPREADAVR_PATH)/tools/reset_minimus
  RESET_PARAM = "03eb:2ffa"
endif
ifeq ($(BOARD_TYPE),minimus32)
  MCU := atmega32u2
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := DFU
  LUFA_BOARD = MINIMUS
  ARDUINO_PINS = minimus32
  RESET_FUNC := $(SPREADAVR_PATH)/tools/reset_minimus
  RESET_PARAM = "03eb:2ff0"
endif
ifeq ($(BOARD_TYPE),hhd70dongle)
  MCU := atmega32u4
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := DFU
  LUFA_BOARD = NONE
  ARDUINO_PINS = leonardo
endif
ifeq ($(BOARD_TYPE),rda1846dongle)
  MCU := atmega32u4
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := DFU
  LUFA_BOARD = NONE
  ARDUINO_PINS = leonardo
endif
ifeq ($(BOARD_TYPE),culV3)
  MCU := atmega32u4
  ARCH = AVR8
  F_CPU := 8000000
  F_USB = $(F_CPU)
  PROG := DFU
  LUFA_BOARD = CULV3
  ARDUINO_PINS = leonardo
endif
ifeq ($(BOARD_TYPE),slowpandongle1)
  MCU := at90usb162
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := DFU
  LUFA_BOARD = NONE
endif
ifeq ($(BOARD_TYPE),slowpandongle2)
  MCU := atmega32u4
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := DFU
  LUFA_BOARD = NONE
  ARDUINO_PINS = leonardo
endif
ifeq ($(BOARD_TYPE),teenstep)
  MCU := atmega32u4
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := DFU
  LUFA_BOARD = NONE
  ARDUINO_PINS = leonardo
endif
ifeq ($(BOARD_TYPE),rhmixxx)
  MCU := at90usb1286
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := DFU
  LUFA_BOARD = NONE
endif
ifeq ($(BOARD_TYPE),feather32u4)
  MCU := atmega32u4
  ARCH = AVR8
  F_CPU := 8000000
  F_USB = $(F_CPU)
  PROG := avrdude
  UPLOAD_RATE := 57600
  PROG_TYPE := avr109
  AVRDUDE_PORT := /dev/ttyACM0
  LUFA_BOARD = NONE
  ARDUINO_PINS = leonardo
endif
ifeq ($(BOARD_TYPE),feather32u4lora)
  MCU := atmega32u4
  ARCH = AVR8
  F_CPU := 8000000
  F_USB = $(F_CPU)
  PROG := avrdude
  UPLOAD_RATE := 57600
  PROG_TYPE := avr109
  AVRDUDE_PORT := /dev/ttyACM0
  LUFA_BOARD = NONE
  ARDUINO_PINS = leonardo
endif
ifeq ($(BOARD_TYPE),elecrow32u4lora)
  MCU := atmega32u4
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := avrdude
  UPLOAD_RATE := 57600
  PROG_TYPE := avr109
  AVRDUDE_PORT := /dev/ttyACM0
  LUFA_BOARD = NONE
  ARDUINO_PINS = leonardo
endif
ifeq ($(BOARD_TYPE),sparkfunProMicro)
  MCU := atmega32u4
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := DFU
  LUFA_BOARD = NONE
  ARDUINO_PINS = leonardo
endif
ifeq ($(BOARD_TYPE),arduinoProMicro)
  MCU := atmega32u4
  ARCH = AVR8
  F_CPU := 16000000
  F_USB = $(F_CPU)
  PROG := avrdude
  UPLOAD_RATE := 57600
  PROG_TYPE := avr109
  AVRDUDE_PORT := /dev/ttyACM0
  LUFA_BOARD = TEENSY2
  ARDUINO_PINS = leonardo
endif
ifeq ($(BOARD_TYPE),arduinoUno)
  MCU := atmega328p
  ARCH = AVR8
  F_CPU := 16000000
  PROG := avrdude
  UPLOAD_RATE := 57600
  PROG_TYPE := stk500v1
  AVRDUDE_PORT := /dev/ttyUSB0
  RESET_FUNC := $(SPREADAVR_PATH)/tools/reset_arduino
  RESET_PARAM = $(AVRDUDE_PORT)
  ARDUINO_PINS = standard
endif
ifeq ($(BOARD_TYPE),arduinoNano)
  MCU := atmega328p
  ARCH = AVR8
  F_CPU := 16000000
  PROG := avrdude
  UPLOAD_RATE := 57600
  PROG_TYPE := stk500v1
  AVRDUDE_PORT := /dev/ttyUSB0
  RESET_FUNC := $(SPREADAVR_PATH)/tools/reset_arduino
  RESET_PARAM = $(AVRDUDE_PORT)
  ARDUINO_PINS = standard
endif
ifeq ($(BOARD_TYPE),arduino2009v2)
  MCU := atmega328p
  ARCH = AVR8
  F_CPU := 16000000
  PROG := avrdude
  UPLOAD_RATE := 57600
  PROG_TYPE := stk500v1
  AVRDUDE_PORT := /dev/ttyUSB0
  RESET_FUNC := $(SPREADAVR_PATH)/tools/reset_arduino
  RESET_PARAM = $(AVRDUDE_PORT)
  ARDUINO_PINS = standard
endif
ifeq ($(BOARD_TYPE),arduino2009)
  MCU := atmega168
  ARCH = AVR8
  F_CPU := 16000000
  PROG := avrdude
  UPLOAD_RATE := 19200
  PROG_TYPE := stk500v1
  AVRDUDE_PORT := /dev/ttyUSB0
  RESET_FUNC := $(SPREADAVR_PATH)/tools/reset_arduino
  RESET_PARAM = $(AVRDUDE_PORT)
endif
ifeq ($(BOARD_TYPE),arduino10000)
  MCU := atmega168
  ARCH = AVR8
  F_CPU := 16000000
  PROG := avrdude
  UPLOAD_RATE := 19200
  PROG_TYPE := stk500v1
  AVRDUDE_PORT := /dev/ttyUSB0
  RESET_FUNC := $(SPREADAVR_PATH)/tools/reset_arduino
  RESET_PARAM = $(AVRDUDE_PORT)
endif
ifeq ($(BOARD_TYPE),arduinoNG)
  MCU := atmega8
  ARCH = AVR8
  F_CPU := 16000000
  PROG := avrdude
  UPLOAD_RATE := 19200
  PROG_TYPE := stk500v1
  AVRDUDE_PORT := /dev/ttyUSB0
  RESET_FUNC := $(SPREADAVR_PATH)/tools/reset_dummy
endif
ifeq ($(BOARD_TYPE),robotdynMega2560)
  MCU := atmega2560
  ARCH = AVR8
  F_CPU := 16000000
  PROG := avrdudeNoErase
  UPLOAD_RATE := 115200
  PROG_TYPE := wiring
  AVRDUDE_PORT := /dev/ttyUSB0
  RESET_FUNC := $(SPREADAVR_PATH)/tools/reset_arduino
  RESET_PARAM = $(AVRDUDE_PORT)
endif
ifeq ($(BOARD_TYPE),AvrNetIo)
  MCU := atmega32
  ARCH = AVR8
  F_CPU := 16000000
  PROG := avrdude
  UPLOAD_RATE := 19200
  PROG_TYPE := stk500v2
  AVRDUDE_PORT := /dev/ttyS0
endif
ifeq ($(BOARD_TYPE),digispark)
  MCU := attiny85
  ARCH = AVR8
  F_CPU := 16500000
  PROG := micronucleus
endif

CC = avr-gcc
CXX = avr-g++
OBJCOPY = avr-objcopy
AR = avr-ar rcs
SIZE = avr-size

LIB_DIR = $(SPREADAVR_PATH)/lib

DFU = dfu-programmer
teensy = $(SPREADAVR_PATH)/contrib/teensy_loader_cli/teensy_loader_cli
micronucleus = $(SPREADAVR_PATH)/contrib/micronucleus/commandline/micronucleus
avrdude = avrdude

## Options common to C and C++ compiler
COMMON = -mmcu=$(MCU)
COMMON += -O2
COMMON += -funsigned-char
COMMON += -funsigned-bitfields
COMMON += -fdata-sections
COMMON += -ffunction-sections
COMMON += -fshort-enums
COMMON += -Wall
COMMON += -I$(LIB_DIR)
COMMON += -DF_CPU=$(F_CPU)UL
COMMON += -D__BOARD_$(BOARD_TYPE)__
COMMON += -DARCH=ARCH_$(ARCH)

## Compile options common for all C compilation units.
CFLAGS = $(COMMON)
CFLAGS += -Wstrict-prototypes
CFLAGS += -std=c99

## Compile options common for all C++ compilation units.
CXXFLAGS = $(COMMON)

ifdef ARDUINO_PINS
CXXFLAGS += -DARDUINO_PINS=$(ARDUINO_PINS)
CXXFLAGS += -I$(LIB_DIR)/arduino-$(ARDUINO_PINS)
endif

## Linker flags
LDFLAGS = -mmcu=$(MCU)
LDFLAGS += -Wl,--gc-sections
ifdef PRINTF_HAS_FLOAT
LDFLAGS += -Wl,-u,vfprintf -lprintf_flt -lm
endif