SPI channels but no VGA, HDMI, etc. It has 7 or so A/D inputs that were meant for digitizing touchscreen inputs. I don't know if it's fast enough to run X and VNC.
On 11/19/17, Alan Corey <[email protected]> wrote: >> SPI support is labeled as broken in debian. And likely will remain so >> until some one who understands it decides to work on it. Some of the >> problem is in obtaining the headers for the gpio that is on the >> individual card. >> >> Decent SPI support, as in error free writing at 41 megabaud, in 32 bit >> packets, and reading back, error free, the results at 25 megabaud, from >> a Mesa 7i90HD interface card over a 1" long cable, is currently done >> ONLY from a user-space module that is now part of linuxcnc, and ONLY on >> a raspberry Pi 3b. This code can probably be made to run on other >> platforms, but so far I haven't even been successful at removing the "am >> I running on a pi-3b checks". After that, then figure out how to get the >> headers for the gpio part of the SoC thats on the boards you have, of >> which there are apparently at least a dozen mutually incompatible >> versions just from Broadcom. I'd certainly bow and give homage to the >> person who can take rpspi.c and its limited header dependencies, rename >> it to rkspi.c and make it run on the rock64 board at similar speeds. >> Although its not that much faster than a pi, it comes without the very >> small funnel that all non-gpio generated data must get (its an internal >> usb2 hub) thru on a pi, and which throws away keyboard and mouse events >> in wholesale amounts. The rock64, compared to the pi, feels to be at >> least 5x faster than the pi will ever be because of this one difference >> in internal architecture. >> >> A universal driver would be nice, but I suspect the best is going to be a >> driver per platform. There is not a universal gpio, yet. Maybe another 5 >> years for the winner to be shook out of the bushes far enough to become >> a standard. > > That's a drag, I bought a PocketBeagle a few months ago. SPI seems to > be the only video. I'm still getting adapters together and such . It > has 2 SPI > -- ------------- No, I won't call it "climate change", do you have a "reality problem"? - AB1JX Impeach Impeach Impeach Impeach Impeach Impeach Impeach Impeach
