DotStar FeatherWing

  • DIN D11 -> MOSI
  • CIN D13 -> SCK
  • SPI Mode3 CPOL1 and CPH1 (STM: SPI_POLARITY_HIGH, SPI_PHASE_2EDGE)

  • MSB first, no Chip Select
  • Start Frame 4 Bytes 0x00000000
  • n LED Frames 4 Bytes
    • 1st Byte global Brightness 5 bits, 3 higher bit are 1
    • 2nd Blue
    • 3th Green
    • 4th Red
  • End Frame 4 Bytes 0xFFFFFFFF

-- Peter Schmid - 2021-05-04

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Topic revision: r3 - 2022-12-04 - PeterSchmid
 
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