examples/lvglterm: Add LVGL Terminal for NSH

examples/README.md

@@ -669,6 +669,19 @@ A simple reader example for the `LSM303` acc-mag sensor.
 
 A simple reader example for the `LSM6DSL` acc-gyro sensor.
 
+## `lvglterm` LVGL Terminal for NuttShell (NSH)
+
+LVGL application that executes NuttShell (NSH) commands entered with a
+Touchscreen Keyboard and displays the NSH output. Prerequisite configuration
+settings:
+
+- `CONFIG_NSH_ARCHINIT=n` – NSH architecture initialization must be disabled.
+- `CONFIG_NSH_CONSOLE=y` – NSH must be configured to use a console.
+- `CONFIG_LIBC_EXECFUNCS=y` – posix_spawn() must be enabled.
+- `CONFIG_PIPES=y` – Pipes must be enabled.
+- `CONFIG_GRAPHICS_LVGL=y` – LVGL graphics must be enabled.
+- `CONFIG_LV_FONT_UNSCII_16=y` – LVGL font UNSCII 16 must be enabled.
+
 ## `media`
 
 The media test simply writes values onto the media hidden behind a character

examples/lvglterm/Kconfig

@@ -0,0 +1,23 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+menuconfig EXAMPLES_LVGLTERM
+	tristate "LVGL Terminal"
+	default n
+	depends on GRAPHICS_LVGL
+	---help---
+		Enable LVGL Terminal
+
+if EXAMPLES_LVGLTERM
+
+config EXAMPLES_LVGLTERM_PRIORITY
+	int "lvglterm task priority"
+	default 100
+
+config EXAMPLES_LVGLTERM_STACKSIZE
+	int "lvglterm stack size"
+	default 16384
+
+endif # EXAMPLES_LVGLTERM

examples/lvglterm/Make.defs

@@ -0,0 +1,23 @@
+############################################################################
+# apps/examples/lvglterm/Make.defs
+#
+# 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.
+#
+############################################################################
+
+ifneq ($(CONFIG_EXAMPLES_LVGLTERM),)
+CONFIGURED_APPS += $(APPDIR)/examples/lvglterm
+endif

examples/lvglterm/Makefile

@@ -0,0 +1,32 @@
+############################################################################
+# apps/examples/lvglterm/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
+
+PROGNAME = lvglterm
+PRIORITY = $(CONFIG_EXAMPLES_LVGLTERM_PRIORITY)
+STACKSIZE = $(CONFIG_EXAMPLES_LVGLTERM_STACKSIZE)
+MODULE = $(CONFIG_EXAMPLES_LVGLTERM)
+
+# LVGL Terminal
+
+MAINSRC = lvglterm.c
+
+include $(APPDIR)/Application.mk