LEDs: Use channel 10 for DMA

tombettany · tombettany · commit 886ba7f7121e · 2018-06-19T18:09:16.000+01:00
Switch to use DMA channel 10 for LED control as per issue jgarff/rpi_ws281x#224.
diff --git a/debian/changelog b/debian/changelog
@@ -1,6 +1,7 @@
 kano-peripherals (4.0.0-0) unstable; urgency=low
 
   * Added touch-detect tool
+  * Switch to use DMA channel 10 for LED control
 
  -- Team Kano <dev@kano.me>  Fri, 1 Jun 2018 16:00:00 +0100
 
diff --git a/libs/pi_hat/library/python/kano_pi_hat/kano_hat_leds.py b/libs/pi_hat/library/python/kano_pi_hat/kano_hat_leds.py
@@ -27,7 +27,8 @@ def __init__(self, brightness=150):
 
         self._leds = neopixel.Adafruit_NeoPixel(
             KanoHatLeds.LED_COUNT,
-            KanoHatLeds.LED_PIN
+            KanoHatLeds.LED_PIN,
+            dma=10
         )
 
         self.set_brightness(brightness)

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,8 @@ def __init__(self, brightness=150):`
`27`	`27`
`28`	`28`	`self._leds = neopixel.Adafruit_NeoPixel(`
`29`	`29`	`KanoHatLeds.LED_COUNT,`
`30`		`- KanoHatLeds.LED_PIN`
	`30`	`+ KanoHatLeds.LED_PIN,`
	`31`	`+ dma=10`
`31`	`32`	`)`
`32`	`33`
`33`	`34`	`self.set_brightness(brightness)`