PxlNode Protocol Structure

POLL Structure

• ID[20]
  • ‘EnviralDesignPxlNode’
• OpCode[1]
  • 0 - 99 chunkID
  • 100 = Update Frame Command
  • 101-199 = reserved for future use.
  • 200 = POLL
  • 201 = POLLREPLY

POLL Reply Structure

• ID[20]
  • ‘EnviralDesignPxlNode’
• OpCode[1]
  • 0 - 99 chunkID
  • 100 = Update Frame Command
  • 101-199 = reserved for future use.
  • 200 = POLL
  • 201 = POLLREPLY
• DeviceName[64]
  • Name can be anything, but must be padded with nulls to fit the device name length.
• PixelsPerStrip[2]
  • Specify the number of pixels per strip as 16 bit int.
    • Highbyte
    • LowByte
• ChunkSize[2]
  • Specify the transmission chunk size. This should not need to be above 255 but using 2 bytes for future proofing more capable devices / more pixels.
    • Highbyte
    • LowByte
• UdpPort[2]
  • Specify the Port number using 2 bytes for full integer size.
• AmpsLimit[4]
  • Store Amps Limit as four bytes following the float32 standard.
  • (+/- sign) 1.(value) * 10 ^ (exponent)
    • Bit1: sign
    • Bit2-9: exponent
    • Bit10-32: value
• MaPerPixel[2]
  • Store the milliamps per pixel as a 16 bit int.
    • Highbyte
    • LowByte
• WarmUpColor[3]
  • Store the warmup color in 3 bytes
    • Red
    • Green
    • Blue