Streaming direct from SPI to I2S - nrf52

[MattFL]

I'm using the nrf52832 and I need to stream audio from an SPI connected memory chip, to an I2S connected amplifier. Is there a way I can have the SPI device stream data directly to the I2S device, without having to manually double buffer it?

[RK]

No there isn't - you'll have to DMA it into memory and DMA it out again.

[MattFL]

Thank you very much for the reply, PPI sounds ideal, I'll dig into that more if double buffering doesn't pan out (I've already got most of a double buffering solution I think). I've got EasyDMA working for SPI to RAM, and RAM to I2S, so now I just need to make that happen concurrently. Also I'm trying to find a work around for the SPIM 256 byte transfer limit, and I think the SPI array list is the solution, I just need to figure out how to make it work. :)