A few additional notes to add: My tests so far are loops over the same read transaction so it is easy to watch on the analyzer. I send a read request about once every second. I have tried polling, queued, and interrupt transactions and they all behave in the same way for reading (i.e. missing data b...

I am having strange issues when trying to use a SPI slave in HALF_DUPLEX mode with DMA. I logged a bunch of detail so thanks in advance to anyone that reads all the weird stuff I found. For background, I have successfully used the FT81x family of display/touchscreen controllers as an SPI slave in DM...