How to toggle the Epiphany LED on Parallella

[aolofsson]

[theover]

Hey,

I ran almost all the examples in the latest distribution on my 7010 board, and most work, including all the difficult ones like the reay tracing and Mandelbrot work fine, the system is stable except for sometimes serious file system errors when starting up, possibly because of power off too soon after "shutdown".

So I thought I'd see if I can add a little thing to "shutdown" that puts the user led off when shutdown is complete, or at least the umount has been done (because I often work over ethernet, and the X windows output is soon "off" because of a screen-saver I cannot easily shit off, and also killing the X server doesn't automatically get replaced by a text screen with the shutdown messages rolling down), but the problem is: the LED example doesn't work ! How could that be ?

T.

[theover]

Correction: I've just tried again, using the actual commands from "sh -xv e-toggle-led" and now I saw the red LED going on, also by using the normal script: I had been looking at the Green User LED from the FPGA, sorry about that !

Is there a AXI interface readily available to toggle the Green LED as well ? Or should I look into the schematic and the verilog code to figure that out ?

T.V.

[FHuettig]