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Case ID: 254586

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nrf_drv_qspi_write taking around 500 micro sec ( long time to write ) . Why it could be problem ?

ARPITHA CHANDRASHEKAR over 4 years ago

nrf_drv_qspi_write taking around 500 micro sec ( long time to write ) . How to optimize nrf_drv_qspi_write time.?

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ARPITHA CHANDRASHEKAR over 4 years ago in reply to Amanda Hsieh +1

Also if i do comment out BLE App, i am not getting any much diff in write time. It has to do with flash / CPU communication ? Is there anything we could do on hardware side to decrease overhead ? We are…

0 ARPITHA CHANDRASHEKAR over 4 years ago in reply to Amanda Hsieh

Ok. I will check. I wanted to ask another question. Is there any additional easy_dma API's for QSPI in Nordic platform ? If so, could you please post the link if easy_dma feature for QSPI can be implemented?
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0 Amanda Hsieh over 4 years ago in reply to ARPITHA CHANDRASHEKAR

QSPI — Quad serial peripheral interface has EasyDMA. There isn't any configuration needed for EasyDMA in the QSPI peripheral as the QSPI peripheral automatically takes care of splitting DMA transfers into the page writes. See this post.

-Amanda H.
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