USB Bootloader and Host Example

The USB bootloader is an example application that uses a "vendor specific" USB class; it is the firmware used on all XTAG-2 adapter boards. The bootloader can load and execute firmware over USB. This page gives a description of the protocol used, the source code of the firmware, the binary of the firmware that is used on the XTAG-2 devices, and an example host program that shows how to use the open source libusb library to implement the host driver.

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The USB interface used to connect XS1-L devices to the XMOS toolchain is under current development and subject to improvements and changes.

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Software USB Bootloader (Example) XTAG-2 Loader (Binary) USB Host (Example)	Documentation USB Bootloader Description and Standards XMOS USB Device Layer Library Guide