SPIRAM pSRAM malloc support added to esp-idf

[hassan789]

Looks like esp team has added malloc support for psram, as of this commit:

Code: Select all

https://github.com/espressif/esp-idf/commit/ca7da78bc769cfb6f49a5909abd07e0b06439c66

latest doc:

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https://github.com/espressif/esp-idf/blob/master/docs/api-guides/external-ram.rst

[WiFive]

I think some care is needed with this because there are still things using plain malloc that may be dma or isr and need to convert to heap_caps_malloc.

[Sprite]

Agreed. We're working on getting this build in our CI workflow, and we're sure some issues will pop up then.