Add get and put commands to NSH

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@880 42af7a65-404d-4744-a932-0658087f49c3

9 files changed, 390 insertions, 51 deletions

diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog
index f35cef7ea..a3ebf96e7 100644
--- a/nuttx/ChangeLog
+++ b/nuttx/ChangeLog
@@ -450,4 +450,5 @@
 	* Correct IP checksum calculation in ICMP and UDP message send logic.
 	* NSH: Created an HTML document and a more detailed README file describing NSH.
 	* Added basic TFTP client logic (netutils/tftpc).  Untested as of initial check-in.
+	* NSH: Add get and put commands to support TFTP get and put operations.
 
diff --git a/nuttx/Documentation/NuttShell.html b/nuttx/Documentation/NuttShell.html
index c689cbb46..e9d363dc9 100644
--- a/nuttx/Documentation/NuttShell.html
+++ b/nuttx/Documentation/NuttShell.html
@@ -8,7 +8,7 @@
   <tr align="center" bgcolor="#e4e4e4">
     <td>
       <h1><big><font color="#3c34ec"><i>NuttShell (NSH)</i></font></big></h1>
-      <p>Last Updated: September 3, 2008</p>
+      <p>Last Updated: September 5, 2008</p>
     </td>
   </tr>
 </table>
@@ -113,127 +113,139 @@
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdexit">2.7 Exit NSH (exit)</a>
+    <a href="#cmdget">2.7 Get File Via TFTP (get)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdhelp">2.8 Show Usage Command Usage (help)</a>
+    <a href="#cmdexit">2.8 Exit NSH (exit)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdifconfig">2.9 Show Network Configuration (ifconfig)</a>
+    <a href="#cmdhelp">2.9 Show Usage Command Usage (help)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdls">2.10 List Directory Contents (ls)</a>
+    <a href="#cmdifconfig">2.10 Show Network Configuration (ifconfig)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdmbhw">2.11 Access Memory (mb, mh, and mw)</a>
+    <a href="#cmdls">2.11 List Directory Contents (ls)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdmem">2.12 Show Memory Manager Status (mem)</a>
+    <a href="#cmdmbhw">2.12 Access Memory (mb, mh, and mw)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdps">2.13 Show Current Tasks and Threads (ps)</a>
+    <a href="#cmdmem">2.13 Show Memory Manager Status (mem)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdmkdir">2.14 Create a Directory (mkdir)</a>
+    <a href="#cmdps">2.14 Show Current Tasks and Threads (ps)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdmkfatfs">2.15 Create a FAT Filesystem (mkfatfs)</a>
+    <a href="#cmdmkdir">2.15 Create a Directory (mkdir)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdmkfifo">2.16 Create a FIFO (mkfifo)</a>
+    <a href="#cmdmkfatfs">2.16 Create a FAT Filesystem (mkfatfs)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdmount">2.17 Mount a File System (mount)</a>
+    <a href="#cmdmkfifo">2.17 Create a FIFO (mkfifo)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdping">2.18 Check Network Peer (ping)</a>
+    <a href="#cmdmount">2.18 Mount a File System (mount)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdpwd">2.19 Show Current Working Directory (pwd)</a>
+    <a href="#cmdping">2.19 Check Network Peer (ping)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdrm">2.20 Remove a File (rm)</a>
+    <a href="#cmdput">2.20 Send File Via TFTP (put)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdrmdir">2.21 Remove a Directory (rmdir)</a>
+    <a href="#cmdpwd">2.21 Show Current Working Directory (pwd)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdset">2.22 Set an Environment Variable (set)</a>
+    <a href="#cmdrm">2.22 Remove a File (rm)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdsh">2.23 Execute an NSH Script (sh)</a>
+    <a href="#cmdrmdir">2.23 Remove a Directory (rmdir)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdsleep">2.24 Wait for Seconds (sleep)</a>
+    <a href="#cmdset">2.24 Set an Environment Variable (set)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdunmount">2.25 Unmount a File System (umount)</a>
+    <a href="#cmdsh">2.25 Execute an NSH Script (sh)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdunset">2.26 Unset an Environment Variable (unset)</a>
+    <a href="#cmdsleep">2.26 Wait for Seconds (sleep)</a>
   </td>
 </tr>
 <tr>
   <td><br></td>
   <td>
-    <a href="#cmdusleep">2.27 Wait for Microseconds (usleep)</a>
+    <a href="#cmdunmount">2.27 Unmount a File System (umount)</a>
+  </td>
+</tr>
+<tr>
+  <td><br></td>
+  <td>
+    <a href="#cmdunset">2.28 Unset an Environment Variable (unset)</a>
+  </td>
+</tr>
+<tr>
+  <td><br></td>
+  <td>
+    <a href="#cmdusleep">2.29 Wait for Microseconds (usleep)</a>
   </td>
 </tr>
 <tr>
@@ -621,7 +633,42 @@ exec &lt;hex-address&gt;
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdexit"><h2>2.7 Exit NSH (exit)</h2></a>
+    <a name="cmdget"><h2>2.7 Get File Via TFTP (get)</h2></a>
+  </td>
+  </tr>
+</table>
+
+<a <p><b>Command Syntax:</b></p>
+<ul><pre>
+get [-b|-n] [-f &lt;local-path&gt;] -h &lt;ip-address&gt; &lt;remote-path&gt;
+</pre></ul>
+<p>
+  <b>Synopsis</b>.
+  Copy the file at <code>&lt;remote-address&gt;</code> from the host whose IP address is
+  identified by <code>&lt;ip-address&gt;</code>.
+</p>
+<p><b>Other options:</b></p>
+<ul><table>
+  <tr>
+    <td><b><code>-f &lt;local-path&gt;</code></b></td>
+    <td>
+      The file will be saved relative to the current working directory
+      unless <code>&lt;local-path&gt;</code> is provided.
+    </td>
+  </tr>
+  <tr>
+    <td><b><code>-b|-n</code></b></td>
+    <td>
+      Selects either binary (&quot;octect&quot;) or test (&quot;netascii&quot;) transfer
+      mode.  Default: text.
+    </td>
+  </tr>
+</table></ul>
+
+<table width ="100%">
+  <tr bgcolor="#e4e4e4">
+  <td>
+    <a name="cmdexit"><h2>2.8 Exit NSH (exit)</h2></a>
   </td>
   </tr>
 </table>
@@ -640,7 +687,7 @@ exit
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdhelp"><h2>2.8 Show Usage Command Usage (help)</h2></a>
+    <a name="cmdhelp"><h2>2.9 Show Usage Command Usage (help)</h2></a>
   </td>
   </tr>
 </table>
@@ -657,7 +704,7 @@ help
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdifconfig"><h2>2.9 Show Network Configuration (ifconfig)</h2></a>
+    <a name="cmdifconfig"><h2>2.10 Show Network Configuration (ifconfig)</h2></a>
   </td>
   </tr>
 </table>
@@ -683,7 +730,7 @@ eth0    HWaddr 00:18:11:80:10:06
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdls"><h2>2.10 List Directory Contents (ls)</h2></a>
+    <a name="cmdls"><h2>2.11 List Directory Contents (ls)</h2></a>
   </td>
   </tr>
 </table>
@@ -720,7 +767,7 @@ ls [-lRs] &lt;dir-path&gt;
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdmbhw"><h2>2.11 Access Memory (mb, mh, and mw)</h2></a>
+    <a name="cmdmbhw"><h2>2.12 Access Memory (mb, mh, and mw)</h2></a>
   </td>
   </tr>
 </table>
@@ -774,7 +821,7 @@ nsh&gt;
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdmem"><h2>2.12 Show Memory Manager Status (mem)</h2></a>
+    <a name="cmdmem"><h2>2.13 Show Memory Manager Status (mem)</h2></a>
   </td>
   </tr>
 </table>
@@ -823,7 +870,7 @@ nsh&gt;
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdps"><h2>2.13 Show Current Tasks and Threads (ps)</h2></a>
+    <a name="cmdps"><h2>2.14 Show Current Tasks and Threads (ps)</h2></a>
   </td>
   </tr>
 </table>
@@ -849,7 +896,7 @@ nsh&gt;
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdmkdir"><h2>2.14 Create a Directory (mkdir)</h2></a>
+    <a name="cmdmkdir"><h2>2.15 Create a Directory (mkdir)</h2></a>
   </td>
 </tr>
 </table>
@@ -884,7 +931,7 @@ nsh>
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdmkfatfs"><h2>2.15 Create a FAT Filesystem (mkfatfs)</h2></a>
+    <a name="cmdmkfatfs"><h2>2.16 Create a FAT Filesystem (mkfatfs)</h2></a>
   </td>
 </tr>
 </table>
@@ -904,7 +951,7 @@ mkfatfs &lt;path&gt;
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdmkfifo"><h2>2.16 Create a FIFO (mkfifo)</h2></a>
+    <a name="cmdmkfifo"><h2>2.17 Create a FIFO (mkfifo)</h2></a>
   </td>
 </tr>
 </table>
@@ -942,7 +989,7 @@ nsh>
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdmount"><h2>2.17 Mount a File System (mount)</h2></a>
+    <a name="cmdmount"><h2>2.18 Mount a File System (mount)</h2></a>
   </td>
 </tr>
 </table>
@@ -1009,7 +1056,7 @@ nsh>
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdping"><h2>2.18 Check Network Peer (ping)</h2></a>
+    <a name="cmdping"><h2>2.19 Check Network Peer (ping)</h2></a>
   </td>
   </tr>
 </table>
@@ -1042,7 +1089,42 @@ nsh&gt;
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdpwd"><h2>2.19 Show Current Working Directory (pwd)</h2></a>
+    <a name="cmdput"><h2>2.20 Send File Via TFTP (put)</h2></a>
+  </td>
+  </tr>
+</table>
+
+<a <p><b>Command Syntax:</b></p>
+<ul><pre>
+put [-b|-n] [-f &lt;remote-path&gt;] -h &lt;ip-address&gt; &lt;local-path&gt;
+</pre></ul>
+<p>
+  <b>Synopsis</b>.
+  Copy the file at <code>&lt;local-address&gt;</code> to the host whose IP address is
+  identified by <code>&lt;ip-address&gt;</code>.
+</p>
+<p><b>Other options:</b></p>
+<ul><table>
+  <tr>
+    <td><b><code>-f &lt;remote-path&gt;</code></b></td>
+    <td>
+      The file will be saved relative with the same name on the host
+      unless <code>&lt;remote-path&gt;</code> is provided.
+    </td>
+  </tr>
+  <tr>
+    <td><b><code>-b|-n</code></b></td>
+    <td>
+      Selects either binary (&quot;octect&quot;) or test (&quot;netascii&quot;) transfer
+      mode.  Default: text.
+    </td>
+  </tr>
+</table></ul>
+
+<table width ="100%">
+  <tr bgcolor="#e4e4e4">
+  <td>
+    <a name="cmdpwd"><h2>2.21 Show Current Working Directory (pwd)</h2></a>
   </td>
   </tr>
 </table>
@@ -1072,7 +1154,7 @@ nsh&gt;
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdrm"><h2>2.20 Remove a File (rm)</h2></a>
+    <a name="cmdrm"><h2>2.22 Remove a File (rm)</h2></a>
   </td>
 </tr>
 </table>
@@ -1106,7 +1188,7 @@ nsh>
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdrmdir"><h2>2.21 Remove a Directory (rmdir)</h2></a>
+    <a name="cmdrmdir"><h2>2.23 Remove a Directory (rmdir)</h2></a>
   </td>
 </tr>
 </table>
@@ -1141,7 +1223,7 @@ nsh>
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdset"><h2>2.22 Set an Environment Variable (set)</h2></a>
+    <a name="cmdset"><h2>2.24 Set an Environment Variable (set)</h2></a>
   </td>
   </tr>
 </table>
@@ -1167,7 +1249,7 @@ nsh&gt;
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdsh"><h2>2.23 Execute an NSH Script (sh)</h2></a>
+    <a name="cmdsh"><h2>2.25 Execute an NSH Script (sh)</h2></a>
   </td>
   </tr>
 </table>
@@ -1185,7 +1267,7 @@ sh &lt;script-path&gt;
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdsleep"><h2>2.24 Wait for Seconds (sleep)</h2></a>
+    <a name="cmdsleep"><h2>2.26 Wait for Seconds (sleep)</h2></a>
   </td>
   </tr>
 </table>
@@ -1202,7 +1284,7 @@ sleep &lt;sec&gt;
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdunmount"><h2>2.25 Unmount a File System (umount)</h2></a>
+    <a name="cmdunmount"><h2>2.27 Unmount a File System (umount)</h2></a>
   </td>
 </tr>
 </table>
@@ -1232,7 +1314,7 @@ nsh>
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdunset"><h2>2.26 Unset an Environment Variable (unset)</h2></a>
+    <a name="cmdunset"><h2>2.28 Unset an Environment Variable (unset)</h2></a>
   </td>
   </tr>
 </table>
@@ -1258,7 +1340,7 @@ nsh&gt;
 <table width ="100%">
   <tr bgcolor="#e4e4e4">
   <td>
-    <a name="cmdusleep"><h2>2.27 Wait for Microseconds (usleep)</h2></a>
+    <a name="cmdusleep"><h2>2.29 Wait for Microseconds (usleep)</h2></a>
   </td>
   </tr>
 </table>
@@ -1332,6 +1414,10 @@ usleep &lt;usec&gt;
     <td><br></td>
   </tr>
   <tr>
+    <td><b><code>get</code></b></td>
+    <td><code>CONFIG_NET</code> &amp;&amp; <code>CONFIG_NET_UDP</code> &amp;&amp; <code>CONFIG_NFILE_DESCRIPTORS</code> &gt; 0</td>
+  </tr>
+  <tr>
     <td><b><code>help</code></b></td>
     <td><br></td>
   </tr>
@@ -1376,6 +1462,10 @@ usleep &lt;usec&gt;
     <td><br></td>
   </tr>
   <tr>
+    <td><b><code>put</code></b></td>
+    <td><code>CONFIG_NET</code> &amp;&amp; <code>CONFIG_NET_UDP</code> &amp;&amp; <code>CONFIG_NFILE_DESCRIPTORS</code> &gt; 0</td>
+  </tr>
+  <tr>
     <td><b><code>pwd</code></b></td>
     <td>!<code>CONFIG_DISABLE_ENVIRON</code> &amp;&amp; <code>CONFIG_NFILE_DESCRIPTORS</code> &gt; 0</td>
   </tr>
@@ -1602,6 +1692,7 @@ usleep &lt;usec&gt;
   <li><a href="#environvars">Environment Variables</a></li>
   <li><a href="#cmdexec"><code>exec</code></a></li>
   <li><a href="#cmdexit"><code>exit</code></a></li>
+  <li><a href="#cmdget"><code>get</code></a></li>
 </ul></td>
 <td></ul>
   <li><a href="#frontend">Greeting</a></li>
@@ -1623,6 +1714,7 @@ usleep &lt;usec&gt;
   <li><a href="#cmdping"><code>ping</code></a></li>
   <li><a href="#frontend">Prompt</a></li>
   <li><a href="#cmdps"><code>ps</code></a></li>
+  <li><a href="#cmdput"><code>put</code></a></li>
   <li><a href="#cmdpwd"><code>pwd</code></a></li>
   <li><a href="#environvars"><code>PWD</code></a></li>
   <li><a href="#cmdoverview">Re-directed commands</a></li>
diff --git a/nuttx/Documentation/NuttX.html b/nuttx/Documentation/NuttX.html
index d8edf1eb2..2e936dee9 100644
--- a/nuttx/Documentation/NuttX.html
+++ b/nuttx/Documentation/NuttX.html
@@ -1077,6 +1077,7 @@ nuttx-0.3.14 2008-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
 	* Correct IP checksum calculation in ICMP and UDP message send logic.
 	* NSH: Created an HTML document and a more detailed README file describing NSH.
 	* Added basic TFTP client logic (netutils/tftpc).  Untested as of initial check-in.
+	* NSH: Add get and put commands to support TFTP get and put operations.
 
 pascal-0.1.3 2008-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
 
diff --git a/nuttx/examples/nsh/README.txt b/nuttx/examples/nsh/README.txt
index 366be8a3c..fd0c4884b 100644
--- a/nuttx/examples/nsh/README.txt
+++ b/nuttx/examples/nsh/README.txt
@@ -173,6 +173,18 @@ o exit
   using the 'exec' command') and you would like to have NSH out of the
   way.
 
+o get [-b|-n] [-f <local-path>] -h <ip-address> <remote-path>
+
+  Copy the file at <remote-address> from the host whose IP address is
+  identified by <ip-address>.  Other options:
+
+  -f <local-path>
+     The file will be saved relative to the current working directory
+      unless <local-path> is provided.
+  -b|-n
+      Selects either binary ("octect") or test ("netascii") transfer
+      mode.  Default: text.
+
 o help
 
   Presents summary information about each command to console.
@@ -393,6 +405,18 @@ o ping [-c <count>] [-i <interval>] <ip-address>
     10 packets transmitted, 10 received, 0% packet loss, time 10190 ms
     nsh>
 
+o put [-b|-n] [-f <remote-path>] -h <ip-address> <local-path>
+
+  Copy the file at <local-address> to the host whose IP address is
+  identified by <ip-address>.  Other options:
+
+  -f <remote-path>
+     The file will be saved with the same name on the host unless
+      unless <local-path> is provided.
+  -b|-n
+      Selects either binary ("octect") or test ("netascii") transfer
+      mode.  Default: text.
+
 o pwd
 
   Show the current working directory.
@@ -511,6 +535,7 @@ Command Dependencies on Configuration Settings
   echo       --
   exec       --
   exit       --
+  get        CONFIG_NET && CONFIG_NET_UDP && CONFIG_NFILE_DESCRIPTORS > 0
   help       --
   ifconfig   CONFIG_NET
   ls         CONFIG_NFILE_DESCRIPTORS > 0
@@ -522,6 +547,7 @@ Command Dependencies on Configuration Settings
   mount      !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_FS_FAT
   ping       CONFIG_NET && CONFIG_NET_ICMP && CONFIG_NET_ICMP_PING  && !CONFIG_DISABLE_CLOCK && !CONFIG_DISABLE_SIGNALS
   ps         --
+  put        CONFIG_NET && CONFIG_NET_UDP && CONFIG_NFILE_DESCRIPTORS > 0
   pwd        !CONFIG_DISABLE_ENVIRON && CONFIG_NFILE_DESCRIPTORS > 0
   rm         !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0
   rmdir      !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0
diff --git a/nuttx/examples/nsh/nsh.h b/nuttx/examples/nsh/nsh.h
index 861be30c2..f468a264a 100644
--- a/nuttx/examples/nsh/nsh.h
+++ b/nuttx/examples/nsh/nsh.h
@@ -73,9 +73,11 @@
  */
 
 #ifdef CONFIG_EXAMPLES_NSH_STRERROR
-#  define NSH_ERRNO strerror(errno)
+#  define NSH_ERRNO         strerror(errno)
+#  define NSH_ERRNO_OF(err) strerror(err)
 #else
-#  define NSH_ERRNO errno
+#  define NSH_ERRNO         (errno)
+#  define NSH_ERRNO_OF(err) (err)
 #endif
 
 /* Maximum size of one command line (telnet or serial) */
@@ -298,6 +300,10 @@ extern int cmd_lbracket(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
 
 #if defined(CONFIG_NET)
   extern int cmd_ifconfig(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
+#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
+  extern int cmd_get(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
+  extern int cmd_put(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
+#endif
 #if defined(CONFIG_NET_ICMP) && defined(CONFIG_NET_ICMP_PING) && \
    !defined(CONFIG_DISABLE_CLOCK) && !defined(CONFIG_DISABLE_SIGNALS)
   extern int cmd_ping(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
diff --git a/nuttx/examples/nsh/nsh_main.c b/nuttx/examples/nsh/nsh_main.c
index ba7ad389f..f2890159c 100644
--- a/nuttx/examples/nsh/nsh_main.c
+++ b/nuttx/examples/nsh/nsh_main.c
@@ -145,6 +145,9 @@ static const struct cmdmap_s g_cmdmap[] =
 #endif
   { "exec",     cmd_exec,     2, 3, "<hex-address>" },
   { "exit",     cmd_exit,     1, 1, NULL },
+#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
+  { "get",      cmd_get,      4, 7, "[-b|-n] [-f <local-path>] -h <ip-address> <remote-path>" },
+#endif
   { "help",     cmd_help,     1, 1, NULL },
 #ifdef CONFIG_NET
   { "ifconfig", cmd_ifconfig, 1, 1, NULL },
@@ -173,6 +176,9 @@ static const struct cmdmap_s g_cmdmap[] =
    !defined(CONFIG_DISABLE_CLOCK) && !defined(CONFIG_DISABLE_SIGNALS)
   { "ping",     cmd_ping,     2, 6, "[-c <count>] [-i <interval>] <ip-address>" },
 #endif
+#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
+  { "put",      cmd_put,      4, 7, "[-b|-n] [-f <remote-path>] -h <ip-address> <local-path>" },
+#endif
 #if CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_ENVIRON)
   { "pwd",      cmd_pwd,      1, 1, NULL },
 #endif
@@ -1122,7 +1128,7 @@ int nsh_parse(FAR struct nsh_vtbl_s *vtbl, char *cmdline)
       ret = pthread_create(&thread, &attr, nsh_child, (pthread_addr_t)args);
       if (ret != 0)
         {
-          nsh_output(vtbl, g_fmtcmdfailed, cmd, "pthread_create", ret);
+          nsh_output(vtbl, g_fmtcmdfailed, cmd, "pthread_create", NSH_ERRNO_OF(ret));
           nsh_releaseargs(args);
           nsh_release(bkgvtbl);
           goto errout;
diff --git a/nuttx/examples/nsh/nsh_netcmds.c b/nuttx/examples/nsh/nsh_netcmds.c
index 01f472a31..33eeb9966 100644
--- a/nuttx/examples/nsh/nsh_netcmds.c
+++ b/nuttx/examples/nsh/nsh_netcmds.c
@@ -44,7 +44,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <string.h>
 #include <sched.h>
+#include <libgen.h>
+#include <errno.h>
 
 #include <nuttx/net.h>
 #include <nuttx/clock.h>
@@ -54,12 +57,17 @@
 #include <netinet/ether.h>
 
 #ifdef CONFIG_NET_STATISTICS
-#include <net/uip/uip.h>
+#  include <net/uip/uip.h>
 #endif
 
 #if defined(CONFIG_NET_ICMP) && defined(CONFIG_NET_ICMP_PING) && \
    !defined(CONFIG_DISABLE_CLOCK) && !defined(CONFIG_DISABLE_SIGNALS)
-#include <net/uip/uip-lib.h>
+#  include <net/uip/uip-lib.h>
+#endif
+
+#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
+#  include <net/uip/uip-lib.h>
+#  include <net/uip/tftp.h>
 #endif
 
 #include "nsh.h"
@@ -74,6 +82,17 @@
  * Private Types
  ****************************************************************************/
 
+#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
+struct tftpc_args_s
+{
+  boolean     binary;    /* TRUE:binary ("octect") FALSE:text ("netascii") */
+  boolean     allocated; /* TRUE: destpath is allocated */
+  char       *destpath;  /* Path at destination */
+  const char *srcpath;   /* Path at src */
+  in_addr_t   ipaddr;    /* Host IP address */
+};
+#endif
+
 /****************************************************************************
  * Private Function Prototypes
  ****************************************************************************/
@@ -243,10 +262,159 @@ int ifconfig_callback(FAR struct uip_driver_s *dev, void *arg)
 }
 
 /****************************************************************************
+ * Name: tftpc_parseargs
+ ****************************************************************************/
+
+#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
+int tftpc_parseargs(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv,
+                    struct tftpc_args_s *args)
+{
+  FAR const char *fmt = g_fmtarginvalid;
+  int option;
+
+  /* Get the ping options */
+
+  memset(args, 0, sizeof(struct tftpc_args_s));
+  while ((option = getopt(argc, argv, ":bnf:h:")) != ERROR)
+    {
+      switch (option)
+        {
+          case 'b':
+            args->binary = TRUE;
+            break;
+
+          case 'n':
+            args->binary = FALSE;
+            break;
+
+          case 'f':
+            args->destpath = optarg;
+            break;
+
+          case 'h':
+            if (!uiplib_ipaddrconv(optarg, (FAR unsigned char*)&args->ipaddr))
+              {
+                nsh_output(vtbl, g_fmtarginvalid, argv[0]);
+                goto errout;
+              }
+            break;
+
+          case ':':
+            fmt = g_fmtargrequired;
+
+          case '?':
+          default:
+            goto errout;
+        }
+    }
+
+  /* There should be exactly on parameter left on the command-line */
+
+  if (optind == argc-1)
+    {
+      args->srcpath = argv[optind];
+    }
+  else if (optind >= argc)
+    {
+      fmt = g_fmttoomanyargs;
+      goto errout;
+    }
+  else
+    {
+      fmt = g_fmtargrequired;
+      goto errout;
+    }
+
+  /* The HOST IP address is also required */
+
+  if (!args->ipaddr)
+    {
+      fmt = g_fmtargrequired;
+      goto errout;
+    }
+
+  /* If the destpath was not provided, then we have do a little work. */
+
+  if (!args->destpath)
+    {
+      char *tmp1;
+      char *tmp2;
+
+      /* Copy the srcpath... baseanme might modify it */
+
+      fmt = g_fmtcmdoutofmemory;
+      tmp1 = strdup(args->srcpath);
+      if (!tmp1)
+        {
+          goto errout;
+        }
+
+      /* Get the basename of the srcpath */
+
+      tmp2 = basename(tmp1);
+      if (!tmp2)
+        {
+          free(tmp1);
+          goto errout;
+        }
+
+      /* Use that basename as the destpath */
+
+      args->destpath  = strdup(tmp2);
+      free(tmp1);
+      if (!args->destpath)
+        {
+          goto errout;
+        }
+      args->allocated = TRUE;
+    }
+
+  return OK;
+
+errout:
+  nsh_output(vtbl, fmt, argv[0]);
+  return ERROR;
+}
+#endif
+
+/****************************************************************************
  * Public Functions
  ****************************************************************************/
 
 /****************************************************************************
+ * Name: cmd_get
+ ****************************************************************************/
+
+#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
+int cmd_get(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
+{
+  struct tftpc_args_s args;
+
+  /* Parse the input parameter list */
+
+  if (tftpc_parseargs(vtbl, argc, argv, &args) != OK)
+    {
+      return ERROR;
+    }
+
+  /* Then perform the TFTP get operation */
+
+  if (tftpget(args.srcpath, args.destpath, args.ipaddr, args.binary) != OK)
+    {
+      nsh_output(vtbl, g_fmtcmdfailed, argv[0], "tftpget", NSH_ERRNO);
+    }
+
+  /* Release any allocated memory */
+
+  if (args.allocated)
+    {
+      free(args.destpath);
+    }
+  return OK;
+}
+#endif
+
+/****************************************************************************
  * Name: cmd_ifconfig
  ****************************************************************************/
 
@@ -403,4 +571,44 @@ errout:
   return ERROR;
 }
 #endif /* CONFIG_NET_ICMP && CONFIG_NET_ICMP_PING */
+
+/****************************************************************************
+ * Name: cmd_put
+ ****************************************************************************/
+
+#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
+int cmd_put(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
+{
+  struct tftpc_args_s args;
+  char *fullpath;
+
+  /* Parse the input parameter list */
+
+  if (tftpc_parseargs(vtbl, argc, argv, &args) != OK)
+    {
+      return ERROR;
+    }
+
+  /* Get the full path to the local file */
+
+  fullpath = nsh_getfullpath(vtbl, args.srcpath);
+
+  /* Then perform the TFTP put operation */
+
+  if (tftpput(fullpath, args.destpath, args.ipaddr, args.binary) != OK)
+    {
+      nsh_output(vtbl, g_fmtcmdfailed, argv[0], "tftpput", NSH_ERRNO);
+    }
+
+  /* Release any allocated memory */
+
+  if (args.allocated)
+    {
+      free(args.destpath);
+    }
+  free(fullpath);
+  return OK;
+}
+#endif
+
 #endif /* CONFIG_NET */
diff --git a/nuttx/netutils/tftpc/tftpc_get.c b/nuttx/netutils/tftpc/tftpc_get.c
index 49c39a2cb..bb2f96267 100644
--- a/nuttx/netutils/tftpc/tftpc_get.c
+++ b/nuttx/netutils/tftpc/tftpc_get.c
@@ -323,7 +323,7 @@ int tftpget(const char *remote, const char *local, in_addr_t addr, boolean binar
    */
 
 #if CONFIG_NETUTILS_TFTP_ACKPACKETS > 1
-  if (ndatabytes < blockno != lastacked)
+  if (ndatabytes < TFTP_DATASIZE && blockno != lastacked)
     {
       len = tftp_mkackpacket(packet, blockno);
       ret = tftp_sendto(sd, packet, len, &server);
diff --git a/nuttx/netutils/tftpc/tftpc_put.c b/nuttx/netutils/tftpc/tftpc_put.c
index 73004bdbc..1d19a2d74 100644
--- a/nuttx/netutils/tftpc/tftpc_put.c
+++ b/nuttx/netutils/tftpc/tftpc_put.c
@@ -402,7 +402,7 @@ int tftpput(const char *local, const char *remote, in_addr_t addr, boolean binar
 #if CONFIG_NETUTILS_TFTP_ACKPACKETS > 1
           /* Construct the next data packet */
 
-          packetlen = tftp_mkdatapacket(fd, offset[tail], packet, blockno);
+          packetlen = tftp_mkdatapacket(fd, offsets[tail], packet, blockno);
           if (packetlen < 0)
             {
               goto errout_with_sd;
@@ -474,7 +474,6 @@ int tftpput(const char *local, const char *remote, in_addr_t addr, boolean binar
 #if CONFIG_NETUTILS_TFTP_ACKPACKETS > 1
       if (blockno - hblockno >= CONFIG_NETUTILS_TFTP_ACKPACKETS || eof)
         {
-          uint16 rblockno;
           int ndx;
 
           /* Get the next ACK from the wire */