Angus Gratton 95f7b1985b spi_flash: Remove 16KB free internal heap limit for esp_flash_read() into PSRAM ...

Allocation of the temporary internal buffer will now repeat until a small enough buffer can be
allocated, and only fail if less than a 256 byte block of internal RAM is free.

Adds unit test for the same, and generic test utility for creating memory pressure.

2020-03-03 00:17:27 +00:00

23 KiB

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