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Author Topic: CMD_FLASHERASE not working with BT817 / Riverdi RVT101H  (Read 441 times)

Rudolph

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CMD_FLASHERASE not working with BT817 / Riverdi RVT101H
« on: January 16, 2025, 09:43:01 PM »

See also here: https://github.com/RudolphRiedel/FT800-FT813/discussions/147

CMD_FLASHERASE does nothing on my RVT101H with a BT817 and some 512Mb Micron flash when the flash status is BASIC.
When I put the flash in FULL and then issue CMD_FLASHERASE, it does seem to do something, at least the flash can not be accessed anymore.
However, it takes very little time, this is not noticeable in the startup although Bulk Erase for the Micron devices I could find a datasheet for
is documented to take 153 to 460 seconds.

I did not notice this so far since I am not using CMD_FLASHERASE. Because of the time it takes and because I am using a fraction of the flash anyways.
I am using CMD_FLASHUPDATE, first writing the 4k for the .blob in BASIC and then switching to full for the complete image.
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BRT Community

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Re: CMD_FLASHERASE not working with BT817 / Riverdi RVT101H
« Reply #1 on: January 31, 2025, 01:55:09 PM »

Hi Rudolph,

We don't have the 10.1" module but we do have the 7" version. Did you see it fail with the original Flash chip provided on the module?

Best Regards, BRT Community

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