example: add ltdc test example

Signed-off-by: Marco Krahl <ocram.lhark@gmail.com>

examples/Kconfig

@@ -26,6 +26,7 @@ source "$APPSDIR/examples/keypadtest/Kconfig"
 source "$APPSDIR/examples/igmp/Kconfig"
 source "$APPSDIR/examples/i2schar/Kconfig"
 source "$APPSDIR/examples/lcdrw/Kconfig"
+source "$APPSDIR/examples/ltdc/Kconfig"
 source "$APPSDIR/examples/mm/Kconfig"
 source "$APPSDIR/examples/modbus/Kconfig"
 source "$APPSDIR/examples/mount/Kconfig"

examples/Make.defs

@@ -130,6 +130,10 @@ ifeq ($(CONFIG_EXAMPLES_LCDRW),y)
 CONFIGURED_APPS += examples/lcdrw
 endif
 
+ifeq ($(CONFIG_EXAMPLES_LTDC),y)
+CONFIGURED_APPS += examples/ltdc
+endif
+
 ifeq ($(CONFIG_EXAMPLES_MM),y)
 CONFIGURED_APPS += examples/mm
 endif

examples/Makefile

@@ -39,10 +39,10 @@
 
 SUBDIRS  = adc ajoystick bastest bridge buttons can cc3000 cpuhog cxxtest
 SUBDIRS += dhcpd discover djoystick elf flash_test ftpc ftpd hello helloxx
-SUBDIRS += hidkbd igmp i2schar json keypadtest lcdrw mm modbus mount mtdpart
-SUBDIRS += mtdrwb netpkt nettest nrf24l01_term nsh null nx nxterm nxffs
-SUBDIRS += nxflat nxhello nximage nxlines nxtext ostest pashello pipe poll
-SUBDIRS += posix_spawn pwm qencoder random relays rgmp romfs sendmail
+SUBDIRS += hidkbd igmp i2schar json keypadtest lcdrw ltdc mm modbus mount
+SUBDIRS += mtdpart mtdrwb netpkt nettest nrf24l01_term nsh null nx nxterm
+SUBDIRS += nxffs nxflat nxhello nximage nxlines nxtext ostest pashello pipe
+SUBDIRS += poll posix_spawn pwm qencoder random relays rgmp romfs sendmail
 SUBDIRS += serialblaster serloop serialrx slcd smart smart_test tcpecho
 SUBDIRS += telnetd thttpd tiff touchscreen udp usbserial usbterm watchdog
 SUBDIRS += webserver wget wgetjson xmlrpc
@@ -56,10 +56,10 @@ CNTXTDIRS = pwm
 ifeq ($(CONFIG_NSH_BUILTIN_APPS),y)
 CNTXTDIRS += adc ajoystick bridge can cc3000 cpuhog cxxtest dhcpd discover
 CNTXTDIRS += djoystick flash_test ftpd hello helloxx i2schar json keypadtest
-CNTXTDIRS += modbus lcdrw mtdpart mtdrwb netpkt nettest nx nxhello nximage
-CNTXTDIRS += nxlines nxtext nrf24l01_term ostest random relays qencoder
-CNTXTDIRS += serialblasters lcd serialrx smart_test tcpecho telnetd tiff
-CNTXTDIRS += touchscreen usbterm watchdog wgetjson
+CNTXTDIRS += ltdc modbus lcdrw mtdpart mtdrwb netpkt nettest nx nxhello
+CNTXTDIRS += nximage nxlines nxtext nrf24l01_term ostest random relays
+CNTXTDIRS += qencoder serialblasters lcd serialrx smart_test tcpecho telnetd
+CNTXTDIRS += tiff touchscreen usbterm watchdog wgetjson
 endif
 
 all: nothing

examples/README.txt

@@ -680,6 +680,17 @@ examples/lcdrw
   NuttX is built as a protected, supervisor kernel (CONFIG_BUILD_PROTECTED
   or CONFIG_BUILD_KERNEL).
 
+examples/ltdc
+^^^^^^^^^^^^^
+
+  STM32 LTDC framebuffer example.  Depends on:
+
+  * CONFIG_STM32_LTDC
+
+  Enabled with:
+
+  * CONFIG_EXAMPLES_LTDC
+
 examples/mm
 ^^^^^^^^^^^
 

examples/ltdc/.gitignore

@@ -0,0 +1,11 @@
+/Make.dep
+/.depend
+/.built
+/*.asm
+/*.obj
+/*.rel
+/*.lst
+/*.sym
+/*.adb
+/*.lib
+/*.src

examples/ltdc/Kconfig

@@ -0,0 +1,11 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+
+config EXAMPLES_LTDC
+	bool "STM32 LTDC framebuffer example"
+	default n
+	depends on STM32_LTDC
+	---help---
+		Enable the LTDC example

examples/ltdc/Makefile

@@ -0,0 +1,135 @@
+############################################################################
+# apps/examples/ltdc/Makefile
+#
+#   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+-include $(TOPDIR)/.config
+-include $(TOPDIR)/Make.defs
+include $(APPDIR)/Make.defs
+
+# ltdc framebuffer example
+
+APPNAME = ltdc
+PRIORITY = SCHED_PRIORITY_DEFAULT
+STACKSIZE = 2048
+
+ASRCS =
+CSRCS =
+MAINSRC = ltdc_main.c
+
+AOBJS = $(ASRCS:.S=$(OBJEXT))
+COBJS = $(CSRCS:.c=$(OBJEXT))
+MAINOBJ = $(MAINSRC:.c=$(OBJEXT))
+
+SRCS = $(ASRCS) $(CSRCS) $(MAINSRC)
+OBJS = $(AOBJS) $(COBJS)
+
+ifneq ($(CONFIG_BUILD_KERNEL),y)
+  OBJS += $(MAINOBJ)
+endif
+
+ifeq ($(CONFIG_WINDOWS_NATIVE),y)
+  BIN = ..\..\libapps$(LIBEXT)
+else
+ifeq ($(WINTOOL),y)
+  BIN = ..\\..\\libapps$(LIBEXT)
+else
+  BIN = ../../libapps$(LIBEXT)
+endif
+endif
+
+ifeq ($(WINTOOL),y)
+  INSTALL_DIR = "${shell cygpath -w $(BIN_DIR)}"
+else
+  INSTALL_DIR = $(BIN_DIR)
+endif
+
+CONFIG_XYZ_PROGNAME ?= slcd$(EXEEXT)
+PROGNAME = $(CONFIG_XYZ_PROGNAME)
+
+ROOTDEPPATH = --dep-path .
+
+# Common build
+
+VPATH =
+
+all: .built
+.PHONY: clean depend distclean
+
+$(AOBJS): %$(OBJEXT): %.S
+	$(call ASSEMBLE, $<, $@)
+
+$(COBJS) $(MAINOBJ): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+.built: $(OBJS)
+	$(call ARCHIVE, $(BIN), $(OBJS))
+	@touch .built
+
+ifeq ($(CONFIG_BUILD_KERNEL),y)
+$(BIN_DIR)$(DELIM)$(PROGNAME): $(OBJS) $(MAINOBJ)
+	@echo "LD: $(PROGNAME)"
+	$(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) -o $(INSTALL_DIR)$(DELIM)$(PROGNAME) $(ARCHCRT0OBJ) $(MAINOBJ) $(LDLIBS)
+	$(Q) $(NM) -u  $(INSTALL_DIR)$(DELIM)$(PROGNAME)
+
+install: $(BIN_DIR)$(DELIM)$(PROGNAME)
+
+else
+install:
+
+endif
+
+ifeq ($(CONFIG_NSH_BUILTIN_APPS),y)
+$(BUILTIN_REGISTRY)$(DELIM)$(APPNAME)_main.bdat: $(DEPCONFIG) Makefile
+	$(call REGISTER,$(APPNAME),$(PRIORITY),$(STACKSIZE),$(APPNAME)_main)
+
+context: $(BUILTIN_REGISTRY)$(DELIM)$(APPNAME)_main.bdat
+else
+context:
+endif
+
+.depend: Makefile $(SRCS)
+	@$(MKDEP) $(ROOTDEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >Make.dep
+	@touch $@
+
+depend: .depend
+
+clean:
+	$(call DELFILE, .built)
+	$(call CLEAN)
+
+distclean: clean
+	$(call DELFILE, Make.dep)
+	$(call DELFILE, .depend)
+
+-include Make.dep