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<head>
<title>AVRDUDE: A.1 Unix</title>
<title>AVRDUDE: 5.3 SerialUPDI programmer</title>
<meta name="description" content="AVRDUDE: A.1 Unix">
<meta name="keywords" content="AVRDUDE: A.1 Unix">
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@@ -49,13 +66,13 @@ ul.no-bullet {list-style: none}
<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
<a name="Unix"></a>
<a name="SerialUPDI-programmer"></a>
<table class="header" cellpadding="1" cellspacing="1" border="0">
<tr><td valign="middle" align="left">[<a href="avrdude_18.html#Platform-Dependent-Information" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_18.html#Platform-Dependent-Information" title="Previous section in reading order"> &lt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_18.html#Platform-Dependent-Information" title="Up section"> Up </a>]</td>
<td valign="middle" align="left">[<a href="#Unix-Installation" title="Next section in reading order"> &gt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_21.html#Troubleshooting" title="Next chapter"> &gt;&gt; </a>]</td>
<tr><td valign="middle" align="left">[<a href="avrdude_16.html#Programmer-Specific-Information" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_18.html#Atmel-DFU-bootloader-using-FLIP-version-1" title="Previous section in reading order"> &lt; </a>]</td>
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<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
@@ -65,80 +82,111 @@ ul.no-bullet {list-style: none}
<td valign="middle" align="left">[Index]</td>
<td valign="middle" align="left">[<a href="avrdude_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
<a name="Unix-1"></a>
<h2 class="section">A.1 Unix</h2>
<table class="menu" border="0" cellspacing="0">
<tr><td align="left" valign="top"><a href="#Unix-Installation">A.1.1 Unix Installation</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top"><a href="#Unix-Configuration-Files">A.1.2 Unix Configuration Files</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top"><a href="#Unix-Port-Names">A.1.3 Unix Port Names</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top"><a href="#Unix-Documentation">A.1.4 Unix Documentation</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
</table>
<hr>
<a name="Unix-Installation"></a>
<table class="header" cellpadding="1" cellspacing="1" border="0">
<tr><td valign="middle" align="left">[<a href="avrdude_18.html#Platform-Dependent-Information" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
<td valign="middle" align="left">[<a href="#Unix" title="Previous section in reading order"> &lt; </a>]</td>
<td valign="middle" align="left">[<a href="#Unix" title="Up section"> Up </a>]</td>
<td valign="middle" align="left">[<a href="#FreeBSD-Installation" title="Next section in reading order"> &gt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_21.html#Troubleshooting" title="Next chapter"> &gt;&gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left">[<a href="avrdude.html#Introduction" title="Cover (top) of document">Top</a>]</td>
<td valign="middle" align="left">[<a href="avrdude_toc.html#SEC_Contents" title="Table of contents">Contents</a>]</td>
<td valign="middle" align="left">[Index]</td>
<td valign="middle" align="left">[<a href="avrdude_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
<a name="Unix-Installation-1"></a>
<h3 class="subsection">A.1.1 Unix Installation</h3>
<a name="SerialUPDI-programmer-1"></a>
<h2 class="section">5.3 SerialUPDI programmer</h2>
<p>To build and install from the source tarball on Unix like systems:
<p>SerialUPDI programmer can be used for programming UPDI-only devices
using very simple serial connection.
You can read more about the details here
<a href="https://github.com/SpenceKonde/AVR-Guidance/blob/master/UPDI/jtag2updi.md">https://github.com/SpenceKonde/AVR-Guidance/blob/master/UPDI/jtag2updi.md</a>
</p>
<p>SerialUPDI programmer has been tested using FT232RL USB-&gt;UART interface
with the following connection layout (copied from Spence Kohde&rsquo;s page linked
above):
</p>
<div class="example">
<pre class="example">$ gunzip -c avrdude-6.99-20211218.tar.gz | tar xf -
$ cd avrdude-6.99-20211218
$ ./configure
$ make
$ su root -c 'make install'
<pre class="example">-------------------- To Target device
DTR| __________________
Rx |--------------,------------------| UPDI---\/\/----------&gt;
Tx---/\/\/\---Tx |-------|&lt;|---' .--------| Gnd 470 ohm
resistor Vcc|---------------------------------| Vcc
1k CTS| .` |__________________
Gnd|--------------------'
--------------------
</pre></div>
<p>The default location of the install is into <code>/usr/local</code> so you
will need to be sure that <code>/usr/local/bin</code> is in your <code>PATH</code>
environment variable.
<p>There are several limitations in current SerialUPDI/AVRDUDE integration,
listed below.
</p>
<p>If you do not have root access to your system, you can do the
following instead:
<p>At the end of each run there are fuse values being presented to the user.
For most of the UPDI-enabled devices these definitions (low fuse, high
fuse, extended fuse) have no meaning whatsoever, as they have been
simply replaced by array of fuses: fuse0..9. Therefore you can simply
ignore this particular line of AVRDUDE output.
</p>
<p>Currently available devices support only UPDI NVM programming model 0
and 2, but there is also experimental implementation of model 3 - not
yet tested.
</p>
<p>One of the core AVRDUDE features is verification of the connection by
reading device signature prior to any operation, but this operation
is not possible on UPDI locked devices. Therefore, to be able to
connect to such a device, you have to provide &lsquo;<samp>-F</samp>&rsquo; to override
this check.
</p>
<p>Please note: using &lsquo;<samp>-F</samp>&rsquo; during write operation to locked device
will force chip erase. Use carefully.
</p>
<p>Another issue you might notice is slow performance of EEPROM writing
using SerialUPDI for AVR Dx devices. This can be addressed by changing
<em>avrdude.conf</em> section for this device - changing EEPROM page
size to 0x20 (instead of default 1), like so:
</p>
<div class="example">
<pre class="example">$ gunzip -c avrdude-6.99-20211218.tar.gz | tar xf -
$ cd avrdude-6.99-20211218
$ ./configure --prefix=$HOME/local
$ make
$ make install
<pre class="example">#------------------------------------------------------------
# AVR128DB28
#------------------------------------------------------------
part parent &quot;.avrdx&quot;
id = &quot;avr128db28&quot;;
desc = &quot;AVR128DB28&quot;;
signature = 0x1E 0x97 0x0E;
memory &quot;flash&quot;
size = 0x20000;
offset = 0x800000;
page_size = 0x200;
readsize = 0x100;
;
memory &quot;eeprom&quot;
size = 0x200;
offset = 0x1400;
page_size = 0x1;
readsize = 0x100;
;
;
</pre></div>
<table class="menu" border="0" cellspacing="0">
<tr><td align="left" valign="top"><a href="#FreeBSD-Installation">A.1.1.1 FreeBSD Installation</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top"><a href="#Linux-Installation">A.1.1.2 Linux Installation</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
</table>
<p>USERROW memory has not been defined for new devices except for
experimental addition for AVR128DB28. The point of USERROW is to
provide ability to write configuration details to already locked
device and currently SerialUPDI interface supports this feature,
but it hasn&rsquo;t been tested on wide variety of chips. Treat this as
something experimental at this point. Please note: on locked devices
it&rsquo;s not possible to read back USERROW contents when written, so
the automatic verification will most likely fail and to prevent
error messages, use &lsquo;<samp>-V</samp>&rsquo;.
</p>
<p>Please note that SerialUPDI interface is pretty new and some
issues are to be expected. In case you run into them, please
make sure to run the intended command with debug output enabled
(&lsquo;<samp>-v -v -v</samp>&rsquo;) and provide this verbose output with your
bug report. You can also try to perform the same action using
<em>pymcuprog</em> (<a href="https://github.com/microchip-pic-avr-tools/pymcuprog">https://github.com/microchip-pic-avr-tools/pymcuprog</a>)
utility with &lsquo;<samp>-v debug</samp>&rsquo; and provide its output too.
You will notice that both outputs are pretty similar, and this
was implemented like that on purpose - it was supposed to make
analysis of UPDI protocol quirks easier.
</p>
<hr>
<a name="FreeBSD-Installation"></a>
<table class="header" cellpadding="1" cellspacing="1" border="0">
<tr><td valign="middle" align="left">[<a href="avrdude_18.html#Platform-Dependent-Information" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
<td valign="middle" align="left">[<a href="#Unix-Installation" title="Previous section in reading order"> &lt; </a>]</td>
<td valign="middle" align="left">[<a href="#Unix-Installation" title="Up section"> Up </a>]</td>
<td valign="middle" align="left">[<a href="#Linux-Installation" title="Next section in reading order"> &gt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_21.html#Troubleshooting" title="Next chapter"> &gt;&gt; </a>]</td>
<tr><td valign="middle" align="left">[<a href="avrdude_16.html#Programmer-Specific-Information" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_18.html#Atmel-DFU-bootloader-using-FLIP-version-1" title="Previous section in reading order"> &lt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_16.html#Programmer-Specific-Information" title="Up section"> Up </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_20.html#Platform-Dependent-Information" title="Next section in reading order"> &gt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_20.html#Platform-Dependent-Information" title="Next chapter"> &gt;&gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
@@ -148,223 +196,9 @@ $ make install
<td valign="middle" align="left">[Index]</td>
<td valign="middle" align="left">[<a href="avrdude_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
<a name="FreeBSD-Installation-1"></a>
<h4 class="subsubsection">A.1.1.1 FreeBSD Installation</h4>
<p>AVRDUDE is installed via the FreeBSD Ports Tree as follows:
</p>
<div class="example">
<pre class="example">% su - root
# cd /usr/ports/devel/avrdude
# make install
</pre></div>
<p>If you wish to install from a pre-built package instead of the source,
you can use the following instead:
</p>
<div class="example">
<pre class="example">% su - root
# pkg_add -r avrdude
</pre></div>
<p>Of course, you must be connected to the Internet for these methods to
work, since that is where the source as well as the pre-built package is
obtained.
</p>
<hr>
<a name="Linux-Installation"></a>
<table class="header" cellpadding="1" cellspacing="1" border="0">
<tr><td valign="middle" align="left">[<a href="avrdude_18.html#Platform-Dependent-Information" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
<td valign="middle" align="left">[<a href="#FreeBSD-Installation" title="Previous section in reading order"> &lt; </a>]</td>
<td valign="middle" align="left">[<a href="#Unix-Installation" title="Up section"> Up </a>]</td>
<td valign="middle" align="left">[<a href="#Unix-Configuration-Files" title="Next section in reading order"> &gt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_21.html#Troubleshooting" title="Next chapter"> &gt;&gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left">[<a href="avrdude.html#Introduction" title="Cover (top) of document">Top</a>]</td>
<td valign="middle" align="left">[<a href="avrdude_toc.html#SEC_Contents" title="Table of contents">Contents</a>]</td>
<td valign="middle" align="left">[Index]</td>
<td valign="middle" align="left">[<a href="avrdude_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
<a name="Linux-Installation-1"></a>
<h4 class="subsubsection">A.1.1.2 Linux Installation</h4>
<p>On rpm based Linux systems (such as RedHat, SUSE, Mandrake, etc.), you
can build and install the rpm binaries directly from the tarball:
</p>
<div class="example">
<pre class="example">$ su - root
# rpmbuild -tb avrdude-6.99-20211218.tar.gz
# rpm -Uvh /usr/src/redhat/RPMS/i386/avrdude-6.99-20211218-1.i386.rpm
</pre></div>
<p>Note that the path to the resulting rpm package, differs from system
to system. The above example is specific to RedHat.
</p>
<hr>
<a name="Unix-Configuration-Files"></a>
<table class="header" cellpadding="1" cellspacing="1" border="0">
<tr><td valign="middle" align="left">[<a href="avrdude_18.html#Platform-Dependent-Information" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
<td valign="middle" align="left">[<a href="#Linux-Installation" title="Previous section in reading order"> &lt; </a>]</td>
<td valign="middle" align="left">[<a href="#Unix" title="Up section"> Up </a>]</td>
<td valign="middle" align="left">[<a href="#FreeBSD-Configuration-Files" title="Next section in reading order"> &gt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_21.html#Troubleshooting" title="Next chapter"> &gt;&gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left">[<a href="avrdude.html#Introduction" title="Cover (top) of document">Top</a>]</td>
<td valign="middle" align="left">[<a href="avrdude_toc.html#SEC_Contents" title="Table of contents">Contents</a>]</td>
<td valign="middle" align="left">[Index]</td>
<td valign="middle" align="left">[<a href="avrdude_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
<a name="Unix-Configuration-Files-1"></a>
<h3 class="subsection">A.1.2 Unix Configuration Files</h3>
<p>When AVRDUDE is build using the default &lsquo;<samp>--prefix</samp>&rsquo; configure
option, the default configuration file for a Unix system is located at
<code>/usr/local/etc/avrdude.conf</code>. This can be overridden by using the
&lsquo;<samp>-C</samp>&rsquo; command line option. Additionally, the user&rsquo;s home directory
is searched for a file named <code>.avrduderc</code>, and if found, is used to
augment the system default configuration file.
</p>
<table class="menu" border="0" cellspacing="0">
<tr><td align="left" valign="top"><a href="#FreeBSD-Configuration-Files">A.1.2.1 FreeBSD Configuration Files</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top"><a href="#Linux-Configuration-Files">A.1.2.2 Linux Configuration Files</a></td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
</table>
<hr>
<a name="FreeBSD-Configuration-Files"></a>
<table class="header" cellpadding="1" cellspacing="1" border="0">
<tr><td valign="middle" align="left">[<a href="avrdude_18.html#Platform-Dependent-Information" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
<td valign="middle" align="left">[<a href="#Unix-Configuration-Files" title="Previous section in reading order"> &lt; </a>]</td>
<td valign="middle" align="left">[<a href="#Unix-Configuration-Files" title="Up section"> Up </a>]</td>
<td valign="middle" align="left">[<a href="#Linux-Configuration-Files" title="Next section in reading order"> &gt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_21.html#Troubleshooting" title="Next chapter"> &gt;&gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left">[<a href="avrdude.html#Introduction" title="Cover (top) of document">Top</a>]</td>
<td valign="middle" align="left">[<a href="avrdude_toc.html#SEC_Contents" title="Table of contents">Contents</a>]</td>
<td valign="middle" align="left">[Index]</td>
<td valign="middle" align="left">[<a href="avrdude_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
<a name="FreeBSD-Configuration-Files-1"></a>
<h4 class="subsubsection">A.1.2.1 FreeBSD Configuration Files</h4>
<p>When AVRDUDE is installed using the FreeBSD ports system, the system
configuration file is always <code>/usr/local/etc/avrdude.conf</code>.
</p>
<hr>
<a name="Linux-Configuration-Files"></a>
<table class="header" cellpadding="1" cellspacing="1" border="0">
<tr><td valign="middle" align="left">[<a href="avrdude_18.html#Platform-Dependent-Information" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
<td valign="middle" align="left">[<a href="#FreeBSD-Configuration-Files" title="Previous section in reading order"> &lt; </a>]</td>
<td valign="middle" align="left">[<a href="#Unix-Configuration-Files" title="Up section"> Up </a>]</td>
<td valign="middle" align="left">[<a href="#Unix-Port-Names" title="Next section in reading order"> &gt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_21.html#Troubleshooting" title="Next chapter"> &gt;&gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left">[<a href="avrdude.html#Introduction" title="Cover (top) of document">Top</a>]</td>
<td valign="middle" align="left">[<a href="avrdude_toc.html#SEC_Contents" title="Table of contents">Contents</a>]</td>
<td valign="middle" align="left">[Index]</td>
<td valign="middle" align="left">[<a href="avrdude_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
<a name="Linux-Configuration-Files-1"></a>
<h4 class="subsubsection">A.1.2.2 Linux Configuration Files</h4>
<p>When AVRDUDE is installed using from an rpm package, the system
configuration file will be always be <code>/etc/avrdude.conf</code>.
</p>
<hr>
<a name="Unix-Port-Names"></a>
<table class="header" cellpadding="1" cellspacing="1" border="0">
<tr><td valign="middle" align="left">[<a href="avrdude_18.html#Platform-Dependent-Information" title="Beginning of this chapter or previous chapter"> &lt;&lt; </a>]</td>
<td valign="middle" align="left">[<a href="#Linux-Configuration-Files" title="Previous section in reading order"> &lt; </a>]</td>
<td valign="middle" align="left">[<a href="#Unix" title="Up section"> Up </a>]</td>
<td valign="middle" align="left">[<a href="#Unix-Documentation" title="Next section in reading order"> &gt; </a>]</td>
<td valign="middle" align="left">[<a href="avrdude_21.html#Troubleshooting" title="Next chapter"> &gt;&gt; </a>]</td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left"> &nbsp; </td>
<td valign="middle" align="left">[<a href="avrdude.html#Introduction" title="Cover (top) of document">Top</a>]</td>
<td valign="middle" align="left">[<a href="avrdude_toc.html#SEC_Contents" title="Table of contents">Contents</a>]</td>
<td valign="middle" align="left">[Index]</td>
<td valign="middle" align="left">[<a href="avrdude_abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
<a name="Unix-Port-Names-1"></a>
<h3 class="subsection">A.1.3 Unix Port Names</h3>
<p>The parallel and serial port device file names are system specific.
The following table lists the default names for a given system.
</p>
<table>
<tr><td width="30%"><strong>System</strong></td><td width="30%"><strong>Default Parallel Port</strong></td><td width="30%"><strong>Default Serial Port</strong></td></tr>
<tr><td width="30%">FreeBSD</td><td width="30%"><code>/dev/ppi0</code></td><td width="30%"><code>/dev/cuad0</code></td></tr>
<tr><td width="30%">Linux</td><td width="30%"><code>/dev/parport0</code></td><td width="30%"><code>/dev/ttyS0</code></td></tr>
<tr><td width="30%">Solaris</td><td width="30%"><code>/dev/printers/0</code></td><td width="30%"><code>/dev/term/a</code></td></tr>
</table>
<p>On FreeBSD systems, AVRDUDE uses the ppi(4) interface for
accessing the parallel port and the sio(4) driver for serial port
access.
</p>
<p>On Linux systems, AVRDUDE uses the ppdev interface for
accessing the parallel port and the tty driver for serial port
access.
</p>
<p>On Solaris systems, AVRDUDE uses the ecpp(7D) driver for
accessing the parallel port and the asy(7D) driver for serial port
access.
</p>
<hr>
<a name="Unix-Documentation"></a>
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<a name="Unix-Documentation-1"></a>
<h3 class="subsection">A.1.4 Unix Documentation</h3>
<p>AVRDUDE installs a manual page as well as info, HTML and PDF
documentation. The manual page is installed in
<code>/usr/local/man/man1</code> area, while the HTML and PDF documentation
is installed in <code>/usr/local/share/doc/avrdude</code> directory. The
info manual is installed in <code>/usr/local/info/avrdude.info</code>.
</p>
<p>Note that these locations can be altered by various configure options
such as &lsquo;<samp>--prefix</samp>&rsquo;.
</p>
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