Add beginning of a test for NXFFS

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3540 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 111 insertions, 0 deletions

diff --git a/apps/examples/nxffs/nxffs_main.c b/apps/examples/nxffs/nxffs_main.c
new file mode 100644
index 000000000..2e046a26f
--- /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;
+}
+