About EJohn.17

EJohn.17 · 2019-02-26

Hi all,I'm having some trouble getting DMA to service sequential uses of I2C+DMA transactions.I can have the I2C+DMA initialize our demodulator, which involves some 12,000 reads and writes. (So, I2C+DMA works *very, very well* when it works.) I ca...

EJohn.17 · 2019-02-27

Also, as for the FIFO stuff I mentioned, I ended up trying to just ignore them when set (and they get set a lot, typically immediately after a stream is enabled), and that's worked so far. It doesn't seem that the flag getting set is actually prevent...

EJohn.17 · 2019-02-27

Sorry for the delay. Looks like my work just finished getting the firewall to let me use the login process on this site.Anyway, while waiting for all of that to get done, I worked more on this and eventually found that if I dropped the priority of th...

EJohn.17 · 2019-02-27

Found this thread while debugging exactly this issue. I'm running on an STM32F446ZE and am getting seemingly-random START-STOP conditions, exactly as shown above, after seemingly-random reads and writes. I was having a really tough time getting I2C t...

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