7REV1+ ideas SPI ADC, IO expander, roadmap

I received my two 7Rev1 units today too.

I get the same “VUSB NOT DETECTED (0.02V). ERROR!” in selftest. Since all of you have the same problem I guess some firmware or schematics issue, not a manufacturing defect.

There was one report of a similar problem, but with a BP5:

Not sure if this is related anyhow. If it is some firmware scheduling issue it could be.

I used the bp7r1 branch to build the firmware with --target bus_pirate7.

On one of the two units the TFT doesn’t show anything while the TFT directly works on the other one. Do you already fully initialize the TFT backlight or is this a case of floating fet gate?

With the parcel I also received some 2k resistors and 100nF caps (C1711 and C17604). I’m a bit confused about this because I can’t remember what they are for. IIRC you wanted to send me the opamps that are used on the board to maybe lower noise and play with new protection ideas for the analog in. But there were no opamps in the parcel, so maybe the components got mixed up somehow?

Also not included in the parcel were a few days of vacation, to allow me to play with the 7Rev1 as much as I’d like to :smirking_face:

2 Likes