| sabdfl | ogra yes, i decompresses with xz -d then dd if=... of=/dev/mmcblk0 bs=1M | 04:52 |
|---|---|---|
| sabdfl | ogra xzcat ubuntu-15.04-snappy-armhf-rpi2.img.xz | md5sum | 04:55 |
| sabdfl | how does one get a serial interface on the rpi2? do i need a breakout board for the 40-pin headers or can i do it over usb? | 04:56 |
| sabdfl | dc2715982039ebc63e5febc17fbae78d - | 04:56 |
| sabdfl | ogra: digests check out fine against the web listing | 05:04 |
| ogra_ | sabdfl, serial is by default on the outside row of the 40 pin header on pin 6, 8 and 10 (pin 1 is at the corner of the PCB near the power LED) http://www.element14.com/community/docs/DOC-73950/l/raspberry-pi-2-model-b-gpio-40-pin-block-pinout. i use a cable like http://www.amazon.de/gp/product/B00KVUSI30 | 09:01 |
| sabdfl | my GPS hats use that, unfortunately | 09:01 |
| ogra_ | (any other FTDI cable should do as well) | 09:01 |
| sabdfl | is there a way to do TTY over USB? | 09:01 |
| ogra_ | right, then we need to disable it in /boot/uboot/config.txt | 09:01 |
| sabdfl | on the rpi sd card? | 09:02 |
| ogra_ | yes, boot without the hat, then you can edit it | 09:03 |
| ogra_ | do you have make and modle of the hat, i bet there are instructions how to set up the config.txt | 09:03 |
| ogra_ | *model | 09:03 |
| sabdfl | can i edit it while mounted? | 09:04 |
| ogra_ | there is indeed a way to do serial over USB ... but only from a kernel module ... (i.e. it would only provide output after boot) we were pondering to enable that by default (like the BBB has) | 09:05 |
| ogra_ | yes, indeed its a normal file on a filesystem ... you can just edit away and reboot to test the change | 09:05 |
| tbr | you can even do kernel console on cdc-acm | 09:08 |
| tbr | but it's a bit tricky | 09:08 |
| ogra_ | tbr, right, but not bootloader | 09:08 |
| tbr | correct | 09:08 |
| tbr | although | 09:08 |
| ogra_ | the question is if we could live with disabled bootloader console by default | 09:08 |
| tbr | would need to ask Tartarus if uboot can do cdc-acm too | 09:09 |
| sabdfl | ogra, gps hat instructions are at https://learn.adafruit.com/adafruit-ultimate-gps-hat-for-raspberry-pi/pi-setup | 09:09 |
| sabdfl | but nothing there seems to map to system-boot partition | 09:09 |
| tbr | would depend on the usb controller | 09:09 |
| sabdfl | uboot.env seems to have some ttyAMA stuff | 09:10 |
| ogra_ | sabdfl, oh, it changes the cmdline ... thats a bit more tricky than config.txt because snappy assembles it from multiple vars and places | 09:10 |
| ogra_ | yeah, one sec | 09:10 |
| ogra_ | sabdfl, on the booted board run: sudo fw_setenv mmcargs 'setenv bootargs "${args} console=tty0 root=${mmcroot}"' | 09:12 |
| ogra_ | fw_printenv is the command to show all config optios | 09:12 |
| ogra_ | (if you want tro check before and after) | 09:12 |
| sabdfl | so boot without the hat then do this? | 09:13 |
| ogra_ | yeah | 09:13 |
| sabdfl | on snappy? | 09:13 |
| ogra_ | right | 09:13 |
| ogra_ | (RaspberryPi2)ubuntu@localhost:~$ fw_printenv |grep console | 09:13 |
| ogra_ | mmcargs=setenv bootargs "${args} console=tty0 console=ttyAMA0 root=${mmcroot}" | 09:13 |
| ogra_ | thats the default ... | 09:13 |
| sabdfl | ok will try that | 09:14 |
| ogra_ | ah, the board seems to also need 9600 baud | 09:15 |
| ogra_ | that might need further changes | 09:15 |
| * ogra_ guesses we should move all console options by default to the cmdline.txt file, seems all documentation expects it there | 09:20 | |
| ogra_ | sabdfl, bug 1500164 :) | 09:28 |
| ogra_ | hmm, no bot ? | 09:28 |
| ogra_ | https://bugs.launchpad.net/snappy/+bug/1500164 | 09:28 |
| ubottu | bug 1500164 in Snappy "console= cmdline options on the RPi2 should be moved from uboot.env to cmdline.txt" [Undecided,New] https://launchpad.net/bugs/1500164 | 09:28 |
| ogra_ | ah | 09:29 |
| sabdfl | ogra_ in a similar vein, we should call our new kernel "rpi2" not "rasp2" | 10:07 |
| ogra_ | well, thats something the kernel team decided | 10:11 |
| ogra_ | we'll have to talk to them | 10:11 |
| sabdfl | there is a community guy who make a linux-image-rpi2 | 10:14 |
| sabdfl | we should sync with him and have one kernel | 10:14 |
| ogra_ | ah, i didnt know ... i'll carry that forward to ppisati ... | 10:15 |
| sabdfl | thank you | 10:16 |
| kivi | Woah, look who's here | 10:16 |
| kivi | Just going to say; I'm a huge fan. Thanks for all the work you have done. :) | 10:17 |
| sabdfl | many folks on this channel qualify for that :) | 10:25 |
| sabdfl | ogra, i still see dots :( | 10:27 |
| ogra_ | damn | 10:27 |
| sabdfl | it's probbly the GPS chatting away on ttyAMA and interfering with uboot | 10:27 |
| ogra_ | well, or just the wrong baud rate .... | 10:28 |
| sabdfl | i think uboot says "press a key to interrupt" and the GPS presses a key for me :) | 10:28 |
| ogra_ | first of all, drop the two "dtparam=" lines from config.txt | 10:28 |
| ogra_ | oh | 10:29 |
| ogra_ | hmm | 10:29 |
| ogra_ | thats tricky ... the stdout setting for uboot is hardcoded, we could only override it from uboot.env which is actually loaded after the prompt | 10:32 |
| ogra_ | (RaspberryPi2)ubuntu@localhost:~$ fw_printenv |grep stdout | 10:32 |
| ogra_ | stdout=serial,lcd | 10:32 |
| ogra_ | droppin serial from that would help for any later stuff but not for the prompt itself | 10:33 |
| ogra_ | lets see if the binary bootloader offers something to forcefully disble serial | 10:33 |
| ogra_ | i know there is a second serial port somewhere on these headers, perhaps we can force switch to that one | 10:35 |
| ogra_ | hmm, using the uart1 DT overlay makes my board hang on boot | 10:51 |
| ogra_ | oh, no, only the output :P | 10:52 |
| ogra_ | i can actually ssh in | 10:52 |
| ogra_ | sabdfl, so is there a chance to re-wire your gps hat to other pins ? | 10:58 |
| ogra_ | via the uart1 DT overlay we should be able to force the second serial port on ... | 10:59 |
| ogra_ | which can be configured for pin 32/33 instead of 14/15 | 11:01 |
| ogra_ | oh, wait ! | 11:12 |
| ogra_ | sabdfl, i just see we are actually loading uboot.env early enough for overriding the serial input ... | 11:12 |
| * ogra_ tries it out | 11:12 | |
| ogra_ | sabdfl, try if: sudo fw_setenv bootdelay 0 | 11:27 |
| ogra_ | helps in any way | 11:27 |
| ogra_ | that should make it not listen to key presses (or other input) during boot | 11:28 |
| ogra_ | sabdfl, did you get my last messages ... ? "sudo fw_setenv bootdelay 0" should turn off the listening for input during boot, if your borad actually stops because the GPS sends chars that might solve it | 12:19 |
| sabdfl | hi ogra_ i missed that message but will try it when i am in budapest :) | 12:20 |
| ogra_ | safe flight :) | 12:20 |
| sabdfl | i hope so! | 12:20 |
| sabdfl | should be a good week, everyone seems well prepared | 12:20 |
| ogra_ | yeah, curious what you guys bring home :) | 12:21 |
| * ogra_ will have a joyful jaw surgery instead of enjoying hungarian beer :) | 12:22 | |
| === fginther` is now known as fginther | ||
| jdstrand | beuno: fyi, something weird is happening with the store: https://myapps.developer.ubuntu.com/dev/click-apps/3560/ | 20:12 |
| jdstrand | beuno: look at the feedback, there are two errors but its because the server traced back | 20:12 |
| jdstrand | beuno: the app itself is showing 'Pending review' still | 20:13 |
| beuno | jdstrand, right, the review failed and I guess it got stuck in pending review | 20:18 |
| beuno | pindonga, matiasb, ^^ | 20:18 |
| * beuno is off to bed | 20:18 | |
| jdstrand | pindonga, matiasb (and beuno): fyi, the review failed, but not for the appropriate reasons-- ie, the scripts traced back for some weird reason (running the scripts locally, that doesn't happen) | 22:01 |
| ogra_ | beuno, if i do "snappy search oem" that doesnt find the pi2 oem snap, does the search not include types ? | 22:51 |
| ogra_ | (snappy search pi2 finds it ...) | 22:52 |
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