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        <title>Azteeg X1 bootloader</title>
        <description> Good day to everyone.
I have a problem with my Azteeg X1.
Arduino 0023 have no USBasp programmer in it&#039;s list, but it is only one i have for now.
Is it posible to add rogrammer or use some kind of patch on older versions of arduino to burn Sanguino patch to atmega1284p?
Thank you.</description>
        <link>https://reprap.org/forum/read.php?1,648484,648484#msg-648484</link>
        <lastBuildDate>Fri, 14 Aug 2026 05:31:51 -0400</lastBuildDate>
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        <item>
            <guid>https://reprap.org/forum/read.php?1,648484,648812#msg-648812</guid>
            <title>Re: Azteeg X1 bootloader</title>
            <link>https://reprap.org/forum/read.php?1,648484,648812#msg-648812</link>
            <description><![CDATA[ The internet says yes its fine, but also warns that some have a 3.3v/5v jumper that is backwards (says 5v when its 3.3v etc)<br />
<br />
You may need to update the firmware in your USBasp<br />
<br />
Personally I would drop the arduino IDE and just use avrdude from the command line, it give you much more control and you can see what its doing.<br />
<br />
eg <br />
<br />
avrdude -B 5 -C ..\etc\avrdude.conf -c usbasp -p m1284p -U flash:w:bootloader.hex -v -D<br />
<br />
I found that I needed to add in delays with the -B options as modern machines are just to darn fast.  5 worked for my machine<br />
<br />
NB when using avrdude it only does what you tell it to, ie the above only installs the bootloader, it doesn't set the fuses, thats  <br />
<br />
eg avrdude -B 5 -p m1284p -c usbasp -U lfuse:w:0xd6:m -U hfuse:w:0xdc:m -U efuse:w:0xfd:m  -C avrdude.conf]]></description>
            <dc:creator>Dust</dc:creator>
            <category>General</category>
            <pubDate>Tue, 05 Apr 2016 17:56:03 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,648484,648779#msg-648779</guid>
            <title>Re: Azteeg X1 bootloader</title>
            <link>https://reprap.org/forum/read.php?1,648484,648779#msg-648779</link>
            <description><![CDATA[ Is it posible that USBasp is to week to flash atmega1284p? This chip is not in the list of usbasp.]]></description>
            <dc:creator>Zalognik</dc:creator>
            <category>General</category>
            <pubDate>Tue, 05 Apr 2016 16:42:32 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,648484,648746#msg-648746</guid>
            <title>Re: Azteeg X1 bootloader</title>
            <link>https://reprap.org/forum/read.php?1,648484,648746#msg-648746</link>
            <description><![CDATA[ Thank you for quick reply.<br />
When I try flash bootloader to atmega1284p using usbasp I get:<br />
avrdude: verification error, first mismatch at byte 0x0000 <br />
             0x3f != 0x0f<br />
avrdude: verification error; content mismatch<br />
<br />
Is there something i can do?]]></description>
            <dc:creator>Zalognik</dc:creator>
            <category>General</category>
            <pubDate>Tue, 05 Apr 2016 15:45:15 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,648484,648522#msg-648522</guid>
            <title>Re: Azteeg X1 bootloader</title>
            <link>https://reprap.org/forum/read.php?1,648484,648522#msg-648522</link>
            <description><![CDATA[ It just in the text file programmers.txt<br />
<br />
add<br />
<br />
usbasp.name=USBasp<br />
usbasp.communication=usb<br />
usbasp.protocol=usbasp<br />
<br />
Make sure you restart the IDE to reload the edited text file.]]></description>
            <dc:creator>Dust</dc:creator>
            <category>General</category>
            <pubDate>Tue, 05 Apr 2016 05:40:23 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,648484,648484#msg-648484</guid>
            <title>Azteeg X1 bootloader</title>
            <link>https://reprap.org/forum/read.php?1,648484,648484#msg-648484</link>
            <description><![CDATA[ Good day to everyone.<br />
I have a problem with my Azteeg X1.<br />
Arduino 0023 have no USBasp programmer in it's list, but it is only one i have for now.<br />
Is it posible to add rogrammer or use some kind of patch on older versions of arduino to burn Sanguino patch to atmega1284p?<br />
Thank you.]]></description>
            <dc:creator>Zalognik</dc:creator>
            <category>General</category>
            <pubDate>Tue, 05 Apr 2016 03:30:15 -0400</pubDate>
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