enable neopixel

ladyada · ladyada · commit e70a1cac0f14 · 2021-12-27T15:54:28.000-05:00
diff --git a/variants/adafruit_qtpy_esp32s2/variant.cpp b/variants/adafruit_qtpy_esp32s2/variant.cpp
@@ -25,13 +25,18 @@
 
 #include "esp32-hal-gpio.h"
 #include "pins_arduino.h"
+#include "Arduino.h"
+#include "Wire.h"
 
 extern "C" {
 
 // Initialize variant/board, called before setup()
 void initVariant(void)
 {
-
+  // This board has a power control pin, and we must set it to output and high
+  // in order to enable the NeoPixels.
+  pinMode(NEOPIXEL_POWER, OUTPUT);
+  digitalWrite(NEOPIXEL_POWER, HIGH);
 }
 
 }

Original file line number	Diff line number	Diff line change
`@@ -25,13 +25,18 @@`
`25`	`25`
`26`	`26`	`#include "esp32-hal-gpio.h"`
`27`	`27`	`#include "pins_arduino.h"`
	`28`	`+#include "Arduino.h"`
	`29`	`+#include "Wire.h"`
`28`	`30`
`29`	`31`	`extern "C" {`
`30`	`32`
`31`	`33`	`// Initialize variant/board, called before setup()`
`32`	`34`	`void initVariant(void)`
`33`	`35`	`{`
`34`		`-`
	`36`	`+ // This board has a power control pin, and we must set it to output and high`
	`37`	`+ // in order to enable the NeoPixels.`
	`38`	`+ pinMode(NEOPIXEL_POWER, OUTPUT);`
	`39`	`+ digitalWrite(NEOPIXEL_POWER, HIGH);`
`35`	`40`	`}`
`36`	`41`
`37`	`42`	`}`