03:50 <BeagleSeeker> trying to pick an appropriate beagleboard.  i've looked at the AI, blue, green, and black boards.  not quite finding what fits.  what i most likely want is a black stripped of the hdmi framer.  could someone help pick a board

03:56 <BeagleSeeker> i want a gagle of serial ports, can bus, a couple spi ports, ethernet, wifi, i2c, and maybe multichannel bidirectional audio

03:58 <BeagleSeeker> i don't need or want video, serial console and xterm over network is fine.

04:02 <BeagleSeeker> what differences would remain between a beaglebone black stripped of hdmi vs a beaglebone original with emmc added?

10:56 <set_> The original BB is hard to find.

10:57 <set_> BeagleSeeker: You can always disregard the HDMI via source.

10:58 <set_> BeagleSeeker: Have you been to beagleboard.org and looked around? They have the boards available and what is listed as functioning on the am335x on those boards...

11:01 <set_> For instance: https://beagleboard.org/Support/bone101 shows a pinout for available resources.

16:05 <BeagleSeeker> set_ the hdmi being there impedes use of other functions on  P8 & P9.  for my use, if i really NEED a display i2c or spi can run that.

16:12 <BeagleSeeker> set_ yes i've looked at the different boards and their relivant srm.

16:49 <zmatt> BeagleSeeker: the hdmi does not get in the way of anything, it can be disabled easily via a config file

16:49 <zmatt> disabling hdmi-audio will free up the pins used on P8, disabling hdmi entirely will also free up the pins it uses on P9

16:51 <zmatt> note however that having ethernet *and* wifi is quite rare on a beaglebone... SanCloud does have the BeagleBone Enhanced, some versions of which have wifi (implemented as a usb-wifi chip attached to an integrated usb hub attached to the usb host port of the AM335x)

16:54 <zmatt> (other AM335x-based beaglebones with wifi typically use a wl18xx wifi chip connected via sdio on the same pins that non-wifi beaglebones use for ethernet)

16:55 <zmatt> (except the braindead Green Wireless which inexplicably leaves those pins unused (and unusable) and instead occupies expansion header pins for this purpose)

17:02 <zmatt> BeagleSeeker: do be careful when reusing the P9.31-46 pins for other purposes: these pins are also strapping options for the SoC (configured by 100K pull-up or pull-down resistors on the board) so if you pull them the wrong way during the power-on sequence the board may fail to boot. They're freely usable once power-on-reset is released

17:02 <zmatt> see my spreadsheet for which pins the level at power-on is critical: https://goo.gl/Jkcg0w#gid=1847985463

17:03 <zmatt> (marked in yellow)

17:19 <BeagleSeeker> zmatt thanks for mentioning SanCloud.  i had forgotten about them and not often mentioned.  https://sancloud.co.uk/store/sancloud-beaglebone-enhanced-bbe-lite/ looks like a nice board.

17:20 <zmatt> BeagleSeeker: iirc the usb wifi thing is a bit icky, as is often the case with usb wifi chips on linux

17:20 <BeagleSeeker> good dev board to pare down from

17:20 <zmatt> oh, the Lite has no wifi anyway

17:21 <BeagleSeeker> yes, but the option for easy cheap usb wifi if desired.

17:22 <zmatt> true

17:22 <zmatt> I personally try to avoid usb on the AM335x.. its usb controller (musbmhdrc) kinda sucks

17:23 <zmatt> on beagleboard.org kernels usb doesn't even use dma because it proved unreliable, so all usb traffic is handled by the cpu

17:30 <BeagleSeeker> now i just need to figure out how to get a (usb?) bluetooth/wifi module to do the new FCC mandated Drone ID function.  The one accepted standard is ASTM F3586-22

17:53 <zmatt> BeagleSeeker: https://github.com/opendroneid