Hi,

is it possible to replace the ESP32 printf with one that supports 64-bit types?

cpu/esp32/ld/esp32.rom.nanofmt.ld says

> Address table for printf/scanf family of functions in ESP32 ROM.
> These functions are compiled with newlib "nano" format option.
> As such, they don's support 64-bit integer formats.

which is obviously not great.

Thanks,
Lars

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