Implement drivers for microwindows

examples/microwindows/Kconfig

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+config EXAMPLES_MICROWINDOWS
+	tristate "Microwindows example"
+	default n
+	depends on GRAPHICS_MICROWINDOWS
+	---help---
+		Enable the Microwindows example application
+
+if EXAMPLES_MICROWINDOWS
+
+config EXAMPLES_MICROWINDOWS_PROGNAME
+	string "Program name"
+	default "mwexample"
+	---help---
+		This is the name of the program that will be used when the NSH ELF
+		program is installed.
+
+config EXAMPLES_MICROWINDOWS_PRIORITY
+	int "Microwindows task priority"
+	default 100
+
+config EXAMPLES_MICROWINDOWS_STACKSIZE
+	int "Microwindows stack size"
+	default 32768
+
+endif

examples/microwindows/Make.defs

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+############################################################################
+# apps/examples/hello/Make.defs
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# 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_MICROWINDOWS),)
+CONFIGURED_APPS += $(APPDIR)/examples/microwindows
+endif

examples/microwindows/Makefile

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+############################################################################
+# apps/examples/microwindows/Makefile
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# 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  = $(CONFIG_EXAMPLES_MICROWINDOWS_PROGNAME)
+PRIORITY  = $(CONFIG_EXAMPLES_MICROWINDOWS_PRIORITY)
+STACKSIZE = $(CONFIG_EXAMPLES_MICROWINDOWS_STACKSIZE)
+MODULE    = y
+
+MAINSRC = mwdemo_main.c
+CSRCS += mwdemo.c
+MW_IMAGES = car8 zion208 penguin under4 cs1 rle8 microwin
+CSRCS += $(MW_IMAGES:%=$(MW_IMGDIR)/%.c)
+
+# Generate image .c files from .bmp
+MW_SRC = $(APPDIR)/graphics/microwindows/microwindows/src
+MW_IMGDIR = images
+MW_CONVBMP = convbmp$(HOSTEXEEXT)
+
+$(MW_CONVBMP): $(MW_SRC)/images/tools/convbmp.c
+	$(HOSTCC) $(HOSTCFLAGS) -I$(MW_SRC)/include $< -o $@
+
+$(MW_IMGDIR)/%.c: $(MW_SRC)/images/demos/mwin/%.bmp $(MW_CONVBMP)
+	mkdir -p $(MW_IMGDIR)
+	$(CURDIR)/$(MW_CONVBMP) -o $@ $<
+
+clean::
+	$(call DELFILE, $(MW_IMAGES:%=$(MW_IMGDIR)/%.c))
+	$(Q) rmdir $(MW_IMGDIR) 2>/dev/null || true
+	$(call DELFILE, $(MW_CONVBMP))
+
+CFLAGS += -Wno-undef 
+CFLAGS += -DNOGDI
+
+include $(APPDIR)/Application.mk