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        <h1>YASAB - Yet another simple AVR Bootloader</h1>
<p>YASAB is a simple AVR Bootloader, written in C for the <a href="http://www.nongnu.org/avr-libc/">AVR libc</a>. A PC Program sends the data to be programmed with a simple protocol via UART to the AVR. If the bootloader was compiled for the ATmega168, 128x or 256x, it will listen on both USART0 and USART1 for serial communication attempts. <a href="https://github.com/xythobuz/yasab">The most recent source code can be found in the Github Repository</a>. The Upload software can easily be used in place of avrdude in makefiles.</p>
<p>Another YASAB compatible Uploader implementation is in my <a href="https://github.com/xythobuz/xyControl/tree/master/tools/xyCopter">xyCopter Android App</a>, using <a href="/bluetooth.html">Bluetooth</a>.</p>
<pre>
yasab /dev/tty.usbserial-A100QOUE test.hex q
Hex File Path   : test.hex
Minimum Address : 0x0
Maximum Address : 0x61E2
Data payload    : 25068 bytes

Pinging bootloader... Stop with CTRL+C
Got response... Acknowledging...
Connection established successfully!
Sending target address...
Sending data length...
100% (25068 / 25068) 195 page(s) written!

Upload finished after 28.0 seconds.
</pre>

<p><a href="/img/xyCopterFirmware.png"><img alt="xyCopter Screenshot" src="/img/xyCopterFirmware_small.png" /></a></p>
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