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Messages - FocusPaul

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Discussion - EVE / Re: REG_CMDB_WRITE bulk transfer
« on: August 10, 2021, 01:31:13 PM »
Hello Rudolph,

thank you for the link. Found it in EVE_start_cmd_burst(). Actually, it's not very clear to me reading the manual that it is working that way.

That's making life a lot easier now, because I don't have to keep track of the write position in FIFO buffer anymore.

Best regards,
Paul

2
Discussion - EVE / REG_CMDB_WRITE bulk transfer
« on: August 09, 2021, 01:34:01 PM »
Hello!

I've used EVE 1 and 2 in projects before. Now I'd like to take advantage of REG_CMDB_WRITE command.

If understood correctly, REG_CMDB_WRITE takes one 32-bit command. Do I have to send a total of 7 bytes (3 byte address + 4 byte data) over SPI per 32 bit display list command?
Or is there a way to send multiple commands at once as a real bulk transfer? Something like: 3 byte address -> 32 bit command -> 32 bit command -> 32 bit command ...

The address overhead seems to high when sending big amounts of data.

Best regards,
Paul

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