Search found 2 matches

by xieliwei
Tue Jun 30, 2020 8:43 am
Forum: ESP32 Arduino
Topic: Half-Duplex QSPI (Quad SPI/QIO) with DMA [IDFGH-3571]
Replies: 6
Views: 759

Re: Half-Duplex QSPI (Quad SPI/QIO) with DMA [IDFGH-3571]

It looks like IDFGH-3571 does not exist on https://github.com/espressif/esp-idf/issues How to find IDFGH-3571 on the github issue tracking? I believe it is an internal tracking number. I wasn't sure if I should be opening a github issue as I can't confirm if I'm not making a mistake here. Do you ha...
by xieliwei
Mon Jun 29, 2020 4:13 pm
Forum: ESP32 Arduino
Topic: Half-Duplex QSPI (Quad SPI/QIO) with DMA [IDFGH-3571]
Replies: 6
Views: 759

Half-Duplex QSPI (Quad SPI/QIO) with DMA [IDFGH-3571]

Hi all, I'm trying to get QSPI working with DMA, but can't seem to get the read phase to work at all. From the documentation, the phrasing is somewhat ambiguous: Half duplex mode is not compatible with DMA when both writing and reading phases exist. I'm taking that to mean that it is not compatible ...

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