Completes coding of the PWM module

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4200 7fd9a85b-ad96-42d3-883c-3090e2eb8679
2026-10-26 17:23:34 +08:00 · 2011-12-19 19:24:09 +00:00
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+/****************************************************************************
+ * apps/netutils/ftpc/ftpc_filetime.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 "ftpc_config.h"
+
+#include <string.h>
+#include <time.h>
+
+#include <apps/ftpc.h>
+
+#include "ftpc_internal.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: ftpc_filetime
+ *
+ * Descripton:
+ *   Return the timestamp on the remote file.  Returned time is UTC
+ *   (Universal Coordinated Time).
+ *
+ ****************************************************************************/
+
+time_t ftpc_filetime(SESSION handle, FAR const char *filename)
+{
+  FAR struct ftpc_session_s *session = (FAR struct ftpc_session_s *)handle;
+  struct tm timestamp;
+  int ret;
+
+  /* Make sure that the server is still connected */
+
+  if (!ftpc_connected(session))
+    {
+      return ERROR;
+    }
+
+  /* Does the server support the MDTM command? */
+
+  if (!FTPC_HAS_MDTM(session))
+    {
+      return ERROR;
+    }
+
+  /* Get the file time in UTC */
+
+  memset(&timestamp, 0, sizeof(timestamp));
+  ret = ftpc_cmd(session, "MDTM %s", filename);
+  if (ret != OK)
+    {
+      return ERROR;
+    }
+
+  /* Check for "202 Command not implemented, superfluous at this site" */
+
+  if (session->code == 202)
+    {
+      FTPC_CLR_MDTM(session);
+      return ERROR;
+    }
+
+  /* Check for "213 File status" */
+
+  if (session->code != 213)
+    {
+      return ERROR;
+    }
+
+  /* Time is Universal Coordinated Time */
+
+  sscanf(session->reply, "%*s %04d%02d%02d%02d%02d%02d",
+         &timestamp.tm_year, &timestamp.tm_mon, &timestamp.tm_mday,
+         &timestamp.tm_hour, &timestamp.tm_min, &timestamp.tm_sec);
+  timestamp.tm_year -= 1900;
+  timestamp.tm_mon--;
+  return mktime(&timestamp);
+}