Openpnp Nozzle Magazine Firmware

Deltaprinr Nozzle Magazine Firmware for the Deltaprintr Nozzle Magazine

Uses a ATSAMD21 + DRV8871 Motor Driver to control the Nozzle Magazine

Features:

• Single Board design (see Nozzle Magazine Hardware)
• Can be built using a Adafruit Trinket + DRV8871 + INA210 or any ATSAMD21 Board
• Limit Switches Supported
• JAM Recovery
• Error Reporting
• USB Micro Serial Port @ 115200 Baud
• Optional Support for (at compile time)
  • INA219 Highside Current Sense (tune the magazine with M111 L3)
  • Open/Close Buttons
  • E-STOP Button
  • EEPROM Stores all settings to recall at startup time
  • NEOPIXEL for Status (Red/Green) and Blue for Communications
  • Configurable for Large(20) or Small(10) Nozzle Magazine

GCODEs Supported

• G4 S[VALUE] P[VALUE]
• M43 P[VALUE] F[VALUE] S[VALUE] (Note Due to the GCODE Driver F[VALUE] is used instead of M[VALUE])
• M111 P[VALUE] L[VALUE] to enable Debugging
• M112 P[VALUE] to E-STOP
• M114 to report Open/Close
• M115 to report Firmware Data
• M119 to report limit switch status
• M220 to Set Speed, Acceleration, Braking and Timeout
• M303 to Autotune (not yet implemented)
• M804 to Open the Nozzle Holder
• M805 to Close the Nozzle Holder

Default Init String is M220 S220 A0 B0 T2000 D128