Hello.

Is there a way or a recommended way to interact with ubus from outside of the omega? I'd like to make some calls to ubus and report results from a web call. Is there a way in place right now to do that? If not, recommendations on how to do that?

@zedf yep, building on windows works but it sounds like Linux and macOS it doesn’t. I thought docker was supposed to be the same across all OSes? There must be some differences. Would be great if it worked on mac and Linux.

I was able to build the image, I think with the docker container on OS X after disabling mosquitto or something like that. At least I’m almost certain I could build a full image...

Hi @György-Farkas.

Same SD card works fine on another Omega2+ so I'm less likely to think its the card. Supply voltage looks good as well, 3.45v (need to adjust regulator resistors to bring that down to 3.3v) That's a good path to check and more data sheet driven then my approach of swapping the cards and performing a functional check.

I saw that diagram with those pinouts as well but isn't EPHY_APGIO_AIO_EN set in software and not affected by the boot pins?

After a few hours of experimenting here the issue turned out to be a relatively strong pulldown on GPIO45. This was affecting a boot pin. Looking at http://plan44.ch/downloads/Onion-Omega2-Pinout-annotated.png and the MT7688 data sheet though it isn't clear exactly what the issue is. Measuring the module itself there is a 4.7k pullup to 3.3V on that pin, so no need for external strapping. Pulling that pin down would appear to be enabling JTAG mode, page 33 of the MT7688 data sheet fyi.

JTAG pins look entirely separate from SD interface pins though so maybe I'm close on the bootstrap pin issue but off on the effect? I still can't figure out why everything would boot fine if that GPIO45 was strapped low (overriding the 4.7k pullup) but just the SD card wouldn't be working......

HI @György-Farkas.

Looking at the Omega2S-reference schematic it looks like the SD card pins are entirely separate pins but its tough to know for certain without the Omega2 module schematic I think.

I'm using a lot of header pins (not the SPI ones related to the internal memory) but if none are related to the microSD then I'm left with an issue with this particular Omega2+ module, a firmware difference (both are upgraded to latest, I upgraded the working module once it worked thinking maybe it would break after the upgrade), or some pin configuration that isn't documented that I'm missing.... any ideas?

The symptom I'm seeing is the kernel driver is reporting that there is no support for the card's volts. This same card works fine in my other Omega2 (not mounted on my custom PCB).

4.901374] MTK MSDC device init.
[    4.944622] mtk-sd: MediaTek MT6575 MSDC Driver
[    4.954890] sdhci: Secure Digital Host Controller Interface driver
[    4.961182] sdhci: Copyright(c) Pierre Ossman
[    4.966206] mtk-sd 10130000.sdhci: no support for card's volts
[    4.972137] mmc0: error -22 whilst initialising SDIO card
[    4.978735] sdhci-pltfm: SDHCI platform and OF driver helper
[    4.989205] usbcore: registered new interface driver usb-storage
[    4.998530] mtk-sd 10130000.sdhci: no support for card's volts
[    5.004520] mmc0: error -22 whilst initialising MMC card
[    5.010722] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[    5.020594] init: - preinit -
[    5.254946] mtk-sd 10130000.sdhci: no support for card's volts
[    5.260882] mmc0: error -22 whilst initialising SDIO card
[    5.356121] mtk-sd 10130000.sdhci: no support for card's volts
[    5.362058] mmc0: error -22 whilst initialising MMC card
[    5.600540] mtk-sd 10130000.sdhci: no support for card's volts
[    5.606528] mmc0: error -22 whilst initialising SDIO card
[    5.626395] mtk-sd 10130000.sdhci: no support for card's volts
[    5.632331] mmc0: error -22 whilst initialising MMC card

Hi @György-Farkas.

That's the same url I posted above :-P

The Omega2S schematic is on there but the Omega2S doesn't have the same pin headers as the Omega2. I think you are correct that I could correlate the two manually but that's a lot more effort.

I asked separately about the schematics but if those aren't available would someone know if any, and if so which, pins on the Omega2+ pin headers are also used for the MicroSD card? I'd like to make use of a number of the header pins for various things but also ensure that I'm not breaking MicroSD support.

I've looked in the GitHub repository https://github.com/OnionIoT/Onion-Hardware/tree/master/Schematics, but don't see them there.

Trying to debug an SD card not showing up and I suspect that I'm using pins that conflict with the SD card pins but have no way to easily check at the moment.

@luz I'm still seeing it here with a pretty new Omega2+ and the latest firmware, although I'm not sure if the oupgrade process upgrades the boot loader or not.

@luz what did you end up doing to resolve this issue? I'm not too excited about rebuilding the boot loader with a change but I'm also using this pin to control an external relay and the relay is activating during boot time when GPIO18 is in analog mode and goes to ~1.65V.

I'm thinking about moving to another available GPIO that doesn't exhibit this behavior but wanted to hear what you had to say first.

@Erik-Hougaard isn’t the container saved unless you delete it? I built the toolchain and images here under docker on macOS and just start the container when I need access to it.

Are you running out of space on your local drive? The build is huge here, like 10gb or something.