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ws2812: Fix first write making the first pixel green

Merged ws2812: Fix first write making the first pixel green
rahix/fix-green-neopixel into master
Merged rahix requested to merge rahix/fix-green-neopixel into master
  1. Dec 29, 2019
    • rahix's avatar
      fix(ws2812): Fix first write making the first pixel green · 6fec4e00
      rahix authored 
      
The first epic_ws2812_write() call will set the first pixel to 0x008000
(bright green).  This is caused by the GPIO line being pulled down on
mode-setting (epic_gpio_set_pin_mode).  Wait before writing the values
to reset the bus and thus properly set the pixels to the correct colors
on first write.

Signed-off-by: default avatarRahix <rahix@rahix.de>
      6fec4e00