About Brad Goodman

Brad Goodman · 2023-01-10

Am in the infancy of a proof-of-concept investigation with ST25DV64. I have been able to do some read/writes with NFC without issue - and am working on the i2c side.We are working with a custom/proprietary system/i2c stack so I don't have much off-th...

Brad Goodman · 2023-01-26

Are you saying that my RF (phone) should be polling MB_CTRL_Dyn, directly, to see if there is an i2c-generated message awaiting receipt?

Brad Goodman · 2023-01-26

Thanks - that makes sense. Are you implying the "synchro block" should be in eeprom and not a mailbox? (Due to the mailbox being singular, in that you have to write your whole message out from zero each time?) Or could my "syncro block" be the first ...

Brad Goodman · 2023-01-25

Are there any "best practices" or recommendations to achieve two-way back-and-forth interfactions between ST25DVxx and an initiator?For example I can have a device read, write, or use a custom command to write a message (mailbox) to the chip, The chi...

Brad Goodman · 2023-01-20

I'm plugging along well - but am having serious issue with GPO. i.e. The pin seems to be just giving me noise (when I do i2c transactions) i.e. it seems like it's High-Z.I'm (still) a little confused by the docs (as most of these registers are read-o...

Brad Goodman · 2023-01-12

Thanks - this helps a LOT!But I must say - the docs are very unclear. Specifically it lists the MB_CTRL_Dyn register as "b0: R always, W always b7-b1: RO"And goes on to say "MB_EN bit is automatically reset to 0 if MB_MODE register is reset to 0."So ...

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Fundamental ST25DV64 Register Write problems

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Re: Fundamental ST25DV64 Register Write problems

Re: Fundamental ST25DV64 Register Write problems

Re: Fundamental ST25DV64 Register Write problems

Re: Fundamental ST25DV64 Register Write problems