#
# Copyright 2010 Ettus Research LLC
#
# This program 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 program 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 program.  If not, see <http://www.gnu.org/licenses/>.
#

all:
	@echo "Pick a specific target"

########################################################################
# Common Variables
########################################################################
TOP_DIR = $(shell pwd)
TOP_FW_DIR = $(TOP_DIR)/../firmware
TOP_FPGA_DIR = $(TOP_DIR)/../fpga
BUILT_IMAGES_DIR = $(TOP_DIR)/images
CMAKE_BUILD_DIR = $(TOP_DIR)/build

##filled in below
IMAGES_LIST =

##little rule to make the images directory
$(BUILT_IMAGES_DIR):
	mkdir $@

GLOBAL_DEPS = $(BUILT_IMAGES_DIR)

########################################################################
# Utility Checks
########################################################################
ifeq ($(shell sdcc --help > /dev/null 2>&1 && echo $$?),0)
	HAS_SDCC=1
endif

ifeq ($(shell zpu-elf-gcc --help > /dev/null 2>&1 && echo $$?),0)
	HAS_ZPU_GCC=1
endif

ifeq ($(shell xtclsh -h > /dev/null 2>&1 && echo $$?),0)
	HAS_XTCLSH=1
endif

########################################################################
# USRP1 firmware
########################################################################
ifdef HAS_SDCC

_usrp1_fw_dir = $(TOP_FW_DIR)/fx2
_usrp1_fw_ihx = $(BUILT_IMAGES_DIR)/usrp1_fw.ihx
IMAGES_LIST += $(_usrp1_fw_ihx)

$(_usrp1_fw_ihx): $(GLOBAL_DEPS)
	cd $(_usrp1_fw_dir) && rm -rf build
	cd $(_usrp1_fw_dir) && mkdir build
	cd $(_usrp1_fw_dir)/build && cmake ../
	cd $(_usrp1_fw_dir)/build && make
	cp $(_usrp1_fw_dir)/build/usrp1/usrp1_fw.ihx $@

endif

########################################################################
# USRP1 fpga
########################################################################
_usrp1_fpga_dir = $(TOP_FPGA_DIR)/usrp1/rbf/rev4
_usrp1_fpga_rbf = $(BUILT_IMAGES_DIR)/usrp1_fpga.rbf
_usrp1_fpga_4rx_rbf = $(BUILT_IMAGES_DIR)/usrp1_fpga_4rx.rbf
IMAGES_LIST += $(_usrp1_fpga_rbf) $(_usrp1_fpga_4rx_rbf)

$(_usrp1_fpga_rbf): $(GLOBAL_DEPS)
	cp $(_usrp1_fpga_dir)/std_2rxhb_2tx.rbf $@

$(_usrp1_fpga_4rx_rbf): $(GLOBAL_DEPS)
	cp $(_usrp1_fpga_dir)/std_4rx_0tx.rbf $@

########################################################################
# USRP2 and N Series firmware
########################################################################
ifdef HAS_ZPU_GCC

_usrp2_fw_dir = $(TOP_FW_DIR)/zpu
_usrp2_fw_bin = $(BUILT_IMAGES_DIR)/usrp2_fw.bin
_usrp_n2xx_fw_bin = $(BUILT_IMAGES_DIR)/usrp_n2xx_fw.bin
IMAGES_LIST += $(_usrp2_fw_bin)

$(_usrp2_fw_bin) $(_usrp_n2xx_fw_bin): $(GLOBAL_DEPS)
	cd $(_usrp2_fw_dir) && rm -rf build
	cd $(_usrp2_fw_dir) && mkdir build
	cd $(_usrp2_fw_dir)/build && cmake ../
	cd $(_usrp2_fw_dir)/build && make
	cp $(_usrp2_fw_dir)/build/usrp2/usrp2_txrx_uhd.bin $(_usrp2_fw_bin)
	cp $(_usrp2_fw_dir)/build/usrp2p/usrp2p_txrx_uhd.bin $(_usrp_n2xx_fw_bin)

endif

########################################################################
# USRP2 fpga
########################################################################
ifdef HAS_XTCLSH

_usrp2_fpga_dir = $(TOP_FPGA_DIR)/usrp2/top/u2_rev3
_usrp2_fpga_bin = $(BUILT_IMAGES_DIR)/usrp2_fpga.bin
IMAGES_LIST += $(_usrp2_fpga_bin)

$(_usrp2_fpga_bin): $(GLOBAL_DEPS)
	cd $(_usrp2_fpga_dir) && make clean
	cd $(_usrp2_fpga_dir) && make bin
	cp $(_usrp2_fpga_dir)/build/u2_rev3.bin $@

endif

########################################################################
# USRP-N210 fpga
########################################################################
ifdef HAS_XTCLSH

_usrp_n210_fpga_dir = $(TOP_FPGA_DIR)/usrp2/top/u2plus
_usrp_n210_fpga_bin = $(BUILT_IMAGES_DIR)/usrp_n210_fpga.bin
IMAGES_LIST += $(_usrp_n210_fpga_bin)

$(_usrp_n210_fpga_bin): $(GLOBAL_DEPS)
	cd $(_usrp_n210_fpga_dir) && make clean
	cd $(_usrp_n210_fpga_dir) && make bin
	cp $(_usrp_n210_fpga_dir)/build/u2plus.bin $@

endif

########################################################################
# USRP-E100 fpga
########################################################################
ifdef HAS_XTCLSH

_usrp_e100_fpga_dir = $(TOP_FPGA_DIR)/usrp2/top/u1e
_usrp_e100_fpga_bin = $(BUILT_IMAGES_DIR)/usrp_e100_fpga.bin
IMAGES_LIST += $(_usrp_e100_fpga_bin)

$(_usrp_e100_fpga_bin): $(GLOBAL_DEPS)
	cd $(_usrp_e100_fpga_dir) && make clean
	cd $(_usrp_e100_fpga_dir) && make bin
	cp $(_usrp_e100_fpga_dir)/build/u1e.bin $@

endif

########################################################################
# Build rules
########################################################################
images: $(IMAGES_LIST)
	chmod -x $(BUILT_IMAGES_DIR)/*

clean:
	$(RM) -rf $(BUILT_IMAGES_DIR)
	$(RM) -rf $(CMAKE_BUILD_DIR)

#packages that a linux machine can build
linux-packages:
	mkdir -p $(CMAKE_BUILD_DIR)

	cd $(CMAKE_BUILD_DIR) && cmake -DCPACK_GENERATOR=TGZ $(TOP_DIR)
	make -C $(CMAKE_BUILD_DIR) package

	cd $(CMAKE_BUILD_DIR) && cmake -DCPACK_GENERATOR=ZIP $(TOP_DIR)
	make -C $(CMAKE_BUILD_DIR) package

	cd $(CMAKE_BUILD_DIR) && cmake -DCPACK_GENERATOR=DEB $(TOP_DIR)
	make -C $(CMAKE_BUILD_DIR) package

	cd $(CMAKE_BUILD_DIR) && cmake -DCPACK_GENERATOR=RPM $(TOP_DIR)
	make -C $(CMAKE_BUILD_DIR) package