############################################################################
# apps/graphics/lvgl/Makefile
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.  The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################

include $(APPDIR)/Make.defs

# LVGL graphic library

LVGL_DIR = .
LVGL_DIR_NAME = lvgl

# Relax format check for LVGL to avoid errors on prinf() use

CFLAGS += -Wno-format

# LVGL Libraries

-include ./lvgl/src/lv_core/lv_core.mk
-include ./lvgl/src/lv_hal/lv_hal.mk
-include ./lvgl/src/lv_widgets/lv_widgets.mk
-include ./lvgl/src/lv_font/lv_font.mk
-include ./lvgl/src/lv_misc/lv_misc.mk
-include ./lvgl/src/lv_themes/lv_themes.mk
-include ./lvgl/src/lv_draw/lv_draw.mk
-include ./lvgl/src/lv_gpu/lv_gpu.mk

CSRCS += lv_tick_interface.c

ifneq ($(CONFIG_USE_LV_FILESYSTEM),)
CSRCS += lv_fs_interface.c
endif

# Set up build configuration and environment

WD := ${shell echo $(CURDIR) | sed -e 's/ /\\ /g'}

CONFIG_GRAPH_LVGL_URL ?= "https://github.com/lvgl/lvgl/archive"

LVGL_VERSION = $(patsubst "%",%,$(strip $(CONFIG_LVGL_VERSION)))
LVGL_TARBALL = v$(LVGL_VERSION).zip

LVGL_UNPACKNAME = lvgl
UNPACK ?= unzip -o

LVGL_UNPACKDIR =  $(WD)/$(LVGL_UNPACKNAME)

$(LVGL_TARBALL):
	$(Q) echo "Downloading: $(LVGL_TARBALL)"
	$(Q) curl -O -L $(CONFIG_GRAPH_LVGL_URL)/$(LVGL_TARBALL)

$(LVGL_UNPACKNAME): $(LVGL_TARBALL)
	$(Q) echo "Unpacking: $(LVGL_TARBALL) -> $(LVGL_UNPACKNAME)"
	$(Q) $(UNPACK) $(LVGL_TARBALL)
	$(Q) mv	lvgl-$(LVGL_VERSION) $(LVGL_UNPACKNAME)
	$(Q) touch $(LVGL_UNPACKNAME)

# Download and unpack tarball if no git repo found
ifeq ($(wildcard $(LVGL_UNPACKNAME)/.git),)
context:: $(LVGL_UNPACKNAME)

distclean::
	$(call DELDIR, $(LVGL_UNPACKNAME))
	$(call DELFILE, $(LVGL_TARBALL))
endif

include $(APPDIR)/Application.mk