Add beginning of a test for NXFFS

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@3540 7fd9a85b-ad96-42d3-883c-3090e2eb8679

3 files changed, 212 insertions, 0 deletions

diff --git a/apps/examples/README.txt b/apps/examples/README.txt
index 7f000dd5a7..d342814c2d 100644
--- a/apps/examples/README.txt
+++ b/apps/examples/README.txt
@@ -228,6 +228,14 @@ examples/nx
     CONFIG_DISABLE_PTHREAD=n
     CONFIG_NX_BLOCKING=y
 
+examples/nxffs
+^^^^^^^^^^^^^^
+
+  This is a test of the NuttX NXFFS FLASH file system.  This is an NXFFS
+  stress test and beats on the file system very hard.  It should only
+  be used in a simulation environment!  Putting this NXFFS test on real
+  hardware will most likely destroy your FLASH.  You have been warned.
+
 examples/nxflat
 ^^^^^^^^^^^^^^^
 
diff --git a/apps/examples/nxffs/Makefile b/apps/examples/nxffs/Makefile
new file mode 100644
index 0000000000..1021bfc6d1
--- /dev/null
+++ b/apps/examples/nxffs/Makefile
@@ -0,0 +1,93 @@
+############################################################################
+# apps/examples/nxffs/Makefile
+#
+#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# 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
+
+# Hello, World! Example
+
+ASRCS		=
+CSRCS		= nxffs_main.c
+
+AOBJS		= $(ASRCS:.S=$(OBJEXT))
+COBJS		= $(CSRCS:.c=$(OBJEXT))
+
+SRCS		= $(ASRCS) $(CSRCS)
+OBJS		= $(AOBJS) $(COBJS)
+
+ifeq ($(WINTOOL),y)
+  BIN		= "${shell cygpath -w  $(APPDIR)/libapps$(LIBEXT)}"
+else
+  BIN		= "$(APPDIR)/libapps$(LIBEXT)"
+endif
+
+ROOTDEPPATH	= --dep-path .
+
+# Common build
+
+VPATH		= 
+
+all: .built
+.PHONY: clean depend distclean
+
+$(AOBJS): %$(OBJEXT): %.S
+	$(call ASSEMBLE, $<, $@)
+
+$(COBJS): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+.built: $(OBJS)
+	@( for obj in $(OBJS) ; do \
+		$(call ARCHIVE, $(BIN), $${obj}); \
+	done ; )
+	@touch .built
+
+context:
+
+.depend: Makefile $(SRCS)
+	@$(MKDEP) $(ROOTDEPPATH) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
+	@touch $@
+
+depend: .depend
+
+clean:
+	@rm -f *.o *~ .*.swp .built
+	$(call CLEAN)
+
+distclean: clean
+	@rm -f Make.dep .depend
+
+-include Make.dep
diff --git a/apps/examples/nxffs/nxffs_main.c b/apps/examples/nxffs/nxffs_main.c
new file mode 100644
index 0000000000..2e046a26f6
--- /dev/null
+++ b/apps/examples/nxffs/nxffs_main.c
@@ -0,0 +1,111 @@
+/****************************************************************************
+ * examples/nxffs/nxffs_main.c
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <nuttx/mtd.h>
+#include <nuttx/nxffs.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+/* Configuration ************************************************************/
+/* This must exactly match the default configuration in drivers/mtd/rammtd.c */
+
+#ifndef CONFIG_RAMMTD_BLOCKSIZE
+#  define CONFIG_RAMMTD_BLOCKSIZE 512
+#endif
+
+#ifndef CONFIG_RAMMTD_ERASESIZE
+#  define CONFIG_RAMMTD_ERASESIZE 4096
+#endif
+
+#ifndef CONFIG_EXAMPLES_NXFFS_NEBLOCKS
+#  define CONFIG_EXAMPLES_NXFFS_NEBLOCKS (32)
+#endif
+
+#undef CONFIG_EXAMPLES_NXFFS_BUFSIZE
+#define CONFIG_EXAMPLES_NXFFS_BUFSIZE \
+  (CONFIG_RAMMTD_ERASESIZE * CONFIG_EXAMPLES_NXFFS_NEBLOCKS)
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+/* Pre-allocated simulated flash */
+
+static uint8_t g_simflash[CONFIG_EXAMPLES_NXFFS_BUFSIZE];
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * user_start
+ ****************************************************************************/
+
+int user_start(int argc, char *argv[])
+{
+  FAR struct mtd_dev_s *mtd;
+  int ret;
+
+  /* Create and initialize a RAM MTD device instance */
+
+  mtd = rammtd_initialize(g_simflash, CONFIG_EXAMPLES_NXFFS_BUFSIZE);
+  if (!mtd)
+    {
+      fprintf(stderr, "ERROR: Failed to create RAM MTD instance\n");
+      exit(1);
+    }
+
+  /* Initialize to provide NXFFS on an MTD interface */
+
+  ret = nxffs_initialize(mtd);
+  if (ret < 0)
+    {
+      fprintf(stderr, "ERROR: NXFFS initialization failed: %d\n", -ret);
+      exit(2);
+    }
+
+  return 0;
+}
+