##############################################
# OpenWrt Makefile for helloworld program
#
#
# Most of the variables used here are defined in
# the include directives below. We just need to
# specify a basic description of the package,
# where to build our program, where to find
# the source files, and where to install the
# compiled program on the router.
#
# Be very careful of spacing in this file.
# Indents should be tabs, not spaces, and
# there should be no trailing whitespace in
# lines that are not commented.
#
##############################################
include $(TOPDIR)/rules.mk

# Name and release number of this package
PKG_NAME:=camerademo
PKG_VERSION:=1.0
PKG_RELEASE:=1

# This specifies the directory where we're going to build the program.
# The root build directory, $(BUILD_DIR), is by default the build_mipsel
# directory in your OpenWrt SDK directory
PKG_BUILD_DIR := $(COMPILE_DIR)/$(PKG_NAME)


include $(BUILD_DIR)/package.mk

define Package/$(PKG_NAME)/config
choice
prompt "Choose whether to use VIN ISP"
	default NO_USE_VIN_ISP
	help
		Choose whether to compile VIN ISP.
config YES_USE_VIN_ISP
	select PACKAGE_libAWIspApi
	bool "YES"
config NO_USE_VIN_ISP
	bool "NO"
endchoice
endef

# Specify package information for this program.
# The variables defined here should be self explanatory.
# If you are running Kamikaze, delete the DESCRIPTION
# variable below and uncomment the Kamikaze define
# directive for the description below
define Package/$(PKG_NAME)
  SECTION:=utils
  CATEGORY:=Allwinner
  TITLE:=camerademo test sensor
ifeq ($(CONFIG_YES_USE_VIN_ISP),y)
  DEPENDS:=+libAWIspApi
endif
endef

# Specify what needs to be done to prepare for building the package.
# In our case, we need to copy the source files to the build directory.
# This is NOT the default.  The default uses the PKG_SOURCE_URL and the
# PKG_SOURCE which is not defined here to download the source from the web.
# In order to just build a simple program that we have just written, it is
# much easier to do it this way.
define Build/Prepare
	mkdir -p $(PKG_BUILD_DIR)
	$(CP) -r ./src/* $(PKG_BUILD_DIR)/
endef

# We do not need to define Build/Configure or Build/Compile directives
# The defaults are appropriate for compiling a simple program such as this one
define Build/Compile
	$(MAKE) -C $(PKG_BUILD_DIR)/ \
		ARCH="$(TARGET_ARCH)" \
		AR="$(TARGET_AR)" \
		CC="$(TARGET_CC)" \
		CXX="$(TARGET_CXX)" \
		CFLAGS="$(TARGET_CFLAGS)" \
		LDFLAGS="$(TARGET_LDFLAGS)" \
		USE_VIN_ISP="$(CONFIG_YES_USE_VIN_ISP)" \
		all
endef

# Specify where and how to install the program. Since we only have one file,
# the helloworld executable, install it by copying it to the /bin directory on
# the router. The $(1) variable represents the root directory on the router running
# OpenWrt. The $(INSTALL_DIR) variable contains a command to prepare the install
# directory if it does not already exist.  Likewise $(INSTALL_BIN) contains the
# command to copy the binary file from its current location (in our case the build
# directory) to the install directory.
define Package/$(PKG_NAME)/install
	$(INSTALL_DIR) $(1)/usr/bin/
	$(INSTALL_DIR) $(1)/etc/res/
	$(INSTALL_BIN) $(PKG_BUILD_DIR)/$(PKG_NAME) 	$(1)/usr/bin/
	$(INSTALL_DATA) ./src/wm_res/*.bmp		   	$(1)/etc/res/
endef

# This line executes the necessary commands to compile our program.
# The above define directives specify all the information needed, but this
# line calls BuildPackage which in turn actually uses this information to
# build a package.

$(eval $(call BuildPackage,$(PKG_NAME)))