Do you mind sharing the design files? I want to modify it for the surface mount omega.
Unfortunately the adafruit POE module is sourced complete from a chinese vendor, there are a few companies that whitelabel that same one. Currently out of stock at adafruit!
AFAIK Ramips/Mediateks SPI device is half duplex and it will not work without modifying the SPI driver or the MCP2515 kernel module to control a MCP2515. I've done a dirty hack for a Carambola1 board (RT5350) years ago. The Carambola1 uses non SPI flash (NAND) so the patch doesn't harm the flash access. But the Omega2 uses the SPI flash - bad luck.
The other way would be using bitbanged SPI. It worked better than expected.
Also - any oBoo users in the UK? I find that if I try and set the location to UK for the weather, it flicks back to Northern Ireland for some reason.
All this time in the pipeline, and the software is pretty basic!
@Pavel--Negrobov Any reason why you're sending the data back from the STM to the Omega over SPI?
STM32 on target device will have it's own USB Flash, user can select .bmp file from it. Processing algorithms are same as for bmp files uploaded by web. I want to transfer file from STM to Omega for precesssing.
Just for clarity, if I use a 3,3V I2C slave device with Omega2, I not need the two translator fets in addition to pull-up res, right?
I do not have any genuine Onion OLED Expansion.
Most probably every 128 x 64 Dot Matrix OLED modul has a Solomon Systech SSD1306 OLED Segment/Common Driver & Controller IC.
So please -> Google Search: SSD1306
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