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Merge branch 'docs/fix_allow_external_stack_mem_config_description' into 'master'

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Freertos: Fix CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY description

See merge request espressif/esp-idf!13739
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Angus Gratton
2021-05-31 05:55:52 +00:00
parent d545b16d62 787873b86b
commit 164ccef52c
1 changed files with 5 additions and 4 deletions
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components/esp32/Kconfig
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@@ -208,10 +208,11 @@ menu "ESP32-specific"
help help
Because some bits of the ESP32 code environment cannot be recompiled with the cache workaround, Because some bits of the ESP32 code environment cannot be recompiled with the cache workaround,
normally tasks cannot be safely run with their stack residing in external memory; for this reason normally tasks cannot be safely run with their stack residing in external memory; for this reason
xTaskCreate and friends always allocate stack in internal memory and xTaskCreateStatic will check if xTaskCreate (and related task creaton functions) always allocate stack in internal memory and
the memory passed to it is in internal memory. If you have a task that needs a large amount of stack xTaskCreateStatic will check if the memory passed to it is in internal memory. If you have a task that
and does not call on ROM code in any way (no direct calls, but also no Bluetooth/WiFi), you can try to needs a large amount of stack and does not call on ROM code in any way (no direct calls, but also no
disable this and use xTaskCreateStatic to create the tasks stack in external memory. Bluetooth/WiFi), you can try enable this to cause xTaskCreateStatic to allow tasks stack in external
memory.
choice SPIRAM_OCCUPY_SPI_HOST choice SPIRAM_OCCUPY_SPI_HOST
prompt "SPI host to use for 32MBit PSRAM" prompt "SPI host to use for 32MBit PSRAM"