pkg/lvgl: model dependency resolution in Kconfig

pkg/lvgl/Kconfig

@@ -5,6 +5,66 @@
 # directory for more details.
 #
 
+if TEST_KCONFIG
+
+menuconfig PACKAGE_LVGL
+    bool "LVGL package"
+    imply MODULE_AUTO_INIT_SCREEN
+    select MODULE_LVGL
+    select MODULE_LVGL_CORE
+    select MODULE_LVGL_DRAW
+    select MODULE_LVGL_FONT
+    select MODULE_LVGL_HAL
+    select MODULE_LVGL_MISC
+    select MODULE_LVGL_THEMES
+    select MODULE_LVGL_WIDGETS
+
+    # lvgl is not compatible with non 32bit platforms
+    # Building lv_misc triggers the error:
+    # "left shift count >= width of type [-Werror=shift-count-overflow]"
+    depends on !HAS_ARCH_8BIT
+    depends on !HAS_ARCH_16BIT
+
+if PACKAGE_LVGL
+
+config MODULE_LVGL_CONTRIB
+    bool "Contrib"
+    select MODULE_DISP_DEV
+    select MODULE_CORE_THREAD_FLAGS
+    select MODULE_XTIMER
+
+config MODULE_LVGL_CONTRIB_TOUCH
+    bool "Touch support"
+    select MODULE_TOUCH_DEV
+
+endif # PACKAGE_LVGL
+
+config MODULE_LVGL
+    bool
+
+config MODULE_LVGL_CORE
+    bool
+
+config MODULE_LVGL_DRAW
+    bool
+
+config MODULE_LVGL_FONT
+    bool
+
+config MODULE_LVGL_HAL
+    bool
+
+config MODULE_LVGL_MISC
+    bool
+
+config MODULE_LVGL_THEMES
+    bool
+
+config MODULE_LVGL_WIDGETS
+    bool
+
+endif # TEST_KCONFIG
+
 menuconfig KCONFIG_USEPKG_LVGL
     bool "Configure LVGL"
     depends on USEPKG_LVGL

sys/auto_init/Kconfig

@@ -5,7 +5,7 @@
 # directory for more details.
 #
 
-config MODULE_AUTO_INIT
+menuconfig MODULE_AUTO_INIT
     bool "Auto-initialization system"
     default y
     depends on TEST_KCONFIG
@@ -14,4 +14,9 @@ config MODULE_AUTO_INIT
         drivers, or network interfaces) on start-up automatically. Disable if a
         more custom initialization is required. If unsure, say Y.
 
+if MODULE_AUTO_INIT
+
+rsource "screen/Kconfig"
 rsource "multimedia/Kconfig"
+
+endif # MODULE_AUTO_INIT

sys/auto_init/screen/Kconfig

@@ -0,0 +1,9 @@
+# Copyright (c) 2021 HAW Hamburg
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+
+config MODULE_AUTO_INIT_SCREEN
+    bool "Auto-initialize screens"

tests/pkg_lvgl/app.config.test

@@ -0,0 +1,2 @@
+CONFIG_PACKAGE_LVGL=y
+CONFIG_MODULE_LVGL_CONTRIB=y

tests/pkg_lvgl_touch/app.config.test

@@ -0,0 +1,5 @@
+CONFIG_PACKAGE_LVGL=y
+CONFIG_MODULE_LVGL_CONTRIB=y
+
+# Add touch capabilities
+CONFIG_MODULE_LVGL_CONTRIB_TOUCH=y