Difference: NeoPixel (1 vs. 2)

Revision 22021-04-10 - PeterSchmid

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META TOPICPARENT name="MecrispCubeF405"

NeoPixel

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  HTML Color 0xRRGGBB
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Set/Reset Portpin

GPIO port bit set/reset register GPIOx_BSRR

  • Address offset: 0x18, x = A..K
  • bit0 .. bit15 bit set
  • bit16 .. bit31 bit reset

D8 =

Set Counter

Set Time Period

autoreload

Clear Update Flag

Enable/Disable Timer Interrupt

Start/Stop Timer

 -- Peter Schmid - 2021-04-05
  • timing-neopixel.png:
    timing-neopixel.png

Revision 12021-04-05 - PeterSchmid

Line: 1 to 1
Added:
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META TOPICPARENT name="MecrispCubeF405"

NeoPixel

T0H 0code, high voltage time 0.4us ±150ns
T1H 1code, high voltage time 0.8us ±150ns
T0L 0code, low voltage time 0.85us ±150ns
T1L 1code, low voltage time 0.45us ±150ns
RES low voltage time Above 50μs

  • 1 bit takes 1.25 us, 24 bit take 30 us
  • Timer resolution 0.25 us
  • MSB first
  • GRB

HTML Color 0xRRGGBB

-- Peter Schmid - 2021-04-05

  • timing-neopixel.png:
    timing-neopixel.png

META FILEATTACHMENT attachment="timing-neopixel.png" attr="" comment="" date="1617633491" name="timing-neopixel.png" path="timing-neopixel.png" size="19590" user="PeterSchmid" version="1"
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