RP2040-code/Clock

Analog Clock on an RP2040.

• Features:
  • Direct Digital Synthesis (DDS)
  • Dual 8 bit R-2R Digital to Analog converter
  • Target device = Pico (also works on Pimoroni PGA2040)
  • Set time through Putty terminal session over USB port

• Supported commands

  • ? - Help
  • V - Version info
  • S - Set time: Notation: HH:MM:SS or HH,MM,SS
    HH can be either 12 or 24 hour notation. e.g. '03:00:00' is the same as '15:00:00'
    Delimiter can be either ':' or ','. e.g. '15:00:00' is the same as '15,00,00'
    MM is in the range 0<=MM<=59
    SS is in the range 0<=SS<=59
    Leading zeros can be ommited. e.g. '1:2:3' is the same as '01:02:03'
    Trailing parameters can be ommited, and will be set to zero. e.g. '12:15' is the same as '12:15:00' and '12' is the same as '12:00:00'

• Limitations:

  • USB serial requires Windows (10 or later)