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evan
Associate II
since ‎2018-07-19
‎2023-06-14

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User Activity

Is there a way for DMA2D Register to Memory (A Fill Operation) to write in increments less than 32-bit?

2020-02-13
Using the 469/479 series. I'm using a CLUT based 8-bit pixel format, the DMA2D register to memory operation seems to only allow 32-bit sized transfers, is there a way that I'm missing to transfer in 8-bit increments? Thanks!

STM32F429I-DISC1 Rev. C Changes/Specifications/Documents

2018-01-30
Posted on January 30, 2018 at 16:13I just ordered and received REV C of this board, all of the files online seem to indicate they apply to REV B of the board, is anyone aware of the changes or has access to the appropriate files? #stm32f429i-disc1

At what point does the LTDC fetch new data from memory?

2017-05-16
Posted on May 16, 2017 at 21:07The LTDC contains a 64x32bit (per layer) FIFO, when does the FIFO request a new burst of data? I.E. does it start seeking AHB and possibly FMC access at 1/2 full? Any information on the workings of this, beyond what th...

Is there any way to for the DMA to read the target address as part of the source?

2017-05-11
Posted on May 11, 2017 at 16:04Suppose there's a table with two columns: column A has the destination address and column B has the value I want to write to the destination. (Destination addresses in column A are NOT contiguous) Is there any way to d...

SPI DMA FIFO Error Issue (FEIFx)

2013-10-24
Posted on October 25, 2013 at 01:05I'm having a terrible time diagnosing this error on an F407IG chip.  I am trying to TX/RX SPI via DMA.  Currently I am getting good transactions, according to the external logic analyzer, from lengths of 1 to hundr...
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