Photon System Threads

[mdma]

System threads are available in the 0.4.6 release as a Beta feature (disabled by default.)

Particle Device OS Updates Thread

Firmware release 0.4.6 has shipped for all platforms. Changes in 0.4.6 FEATURES [photon] separate System Thread [core] Hooks to support FreeRTOS (optional library) Variables stored in Backup RAM printf/printlnf on Print classes - Serial, Serial1, TCP, UDP String.format for printf-style formatting to a String. Wire.end() to release the I2C pins. #597 Wire.reset() to reset the I2C bus. Thanks @pomplesiegel #598 System.ticks() to retrieve the current MCU cycle counter for precise timing…