Firmata fails to compile on F401RE

[morganrallen]

StandardFirmata fails to compile as described in wiki.

Arduino: 1.8.9 (Linux), Board: "Nucleo-64, Nucleo F401RE, Mass Storage, Enabled (generic 'Serial'), None, Low/Full Speed, Smallest (-Os default), Newlib Nano (default)"
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In file included from /home/morgan/.bin/arduino-1.8.9/libraries/Firmata/examples/StandardFirmata/StandardFirmata.ino:28:
/home/morgan/.bin/arduino-1.8.9/libraries/Firmata/Firmata.h:131:17: error: friend declaration of 'void encodeByteStream(size_t, uint8_t*, size_t) const' specifies default arguments and isn't a definition [-fpermissive]
  131 |     friend void FirmataMarshaller::encodeByteStream (size_t bytec, uint8_t * bytev, size_t max_bytes = 0) const;
      |                 ^~~~~~~~~~~~~~~~~

• OS: Ubuntu

• Arduino IDE version: 1.8.9 & 1.8.10

• STM32 core version: 1.8.0

• Tools menu settings if not the default: default but also fails with Newlib Standard

• Upload method: Mass Storage

• Name: Nucleo F401RE]

• Hardware Revision: C

• Extra hardware used if any: None

[fpistm]

Hi @morganrallen
This is fixed in Firmata:
firmata/arduino#438

[morganrallen]

Great! thanks!