Arty: talk to SPI EEPROM - part 2a: EEPROM State Machine and Initialise

RE: Arty: talk to SPI EEPROM - part 2a: EEPROM State Machine and Initialise

Jan Cumps — Sun, 26 Jun 2022 10:11:49 GMT

Progress: Some data.

I kept the START signal active longer (until the SPI lifted the BUSY signal).
It's still not the correct conversation, but promising. This is what's expected:

RE: Arty: talk to SPI EEPROM - part 2a: EEPROM State Machine and Initialise

Jan Cumps — Sun, 26 Jun 2022 09:05:08 GMT

Only a little bit of success:

~CS works. Clock gets clocked, but I don't see the initial conversation happening. I'll need to restudy my code. Maybe bring the SPI IP's busy signal external for checking...