[riot-notifications] [RIOT-OS/RIOT] Getting UART error in ESp32-wroom (#16249)

Gunar Schorcht notifications at github.com
Fri Apr 9 10:26:52 CEST 2021

> #USEMODULE += esp_spiffs
> USEMODULE += esp_head
> USEMODULE += esp_hw_counter
> USEMODULE += esp_spi_ram

Here you have explicitly enabled module `esp_spi_ram`. Why, the ESP32-WROOM-32 module doesn't have SPI RAM? This is the reason that `FLASH_MODE` is set to `qout` and you get this warning message.

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