Booting Linux 3.0/3.1 on Xilinx PowerPC

By On 25. October 2011 · Leave a Comment
Booting Linux 3.0 (or 3.1) for Xilinx PowerPC can be a little bit tricky when done through your own bootloader. This is how we did it.
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Perspective Transformation

By On 21. October 2011 · Leave a Comment
This tool will calculate a perspective transformation matrix from four matching points. It's an easy way to transform an image in a perspective way by simply multiplying the original coordinates with the transformation matrix.
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Linux 3.0/3.1 with Xilinx SPI

By On 13. October 2011 · Leave a Comment

I recently worked on running Linux 3.0 on a Xilinx Virtex-5 board and had some trouble booting from a SD-card via the Xilinx SPI controller. We’ve previously seen (in old kernel versions) occasional timeout errors early in the boot phase, which could only be fixed by turning the board completely off and on. With 3.0 it never [...]

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Online Coordinate Rotation

By On 12. October 2011 · Leave a Comment
This little JavaScript tool will help you rotate a point in 2D around the origin (0,0) of the coordinate system.
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