kinder neopixel error

[Adafruit_Blinka-hackapet.git] / src / adafruit_blinka / microcontroller / raspi_23 / neopixel.py

diff --git a/src/adafruit_blinka/microcontroller/raspi_23/neopixel.py b/src/adafruit_blinka/microcontroller/raspi_23/neopixel.py
index 3a92c607ded7a30a6f25f18e973f4b1266549950..3993cee36351e947aeefd598451fd6588310b0a0 100644 (file)
--- a/src/adafruit_blinka/microcontroller/raspi_23/neopixel.py
+++ b/src/adafruit_blinka/microcontroller/raspi_23/neopixel.py
@@ -59,6 +59,8 @@ def neopixel_write(gpio, buf):
     
         resp = ws.ws2811_init(_led_strip)
         if resp != ws.WS2811_SUCCESS:
     
         resp = ws.ws2811_init(_led_strip)
         if resp != ws.WS2811_SUCCESS:

+            if resp == -5:
+                raise RuntimeError("NeoPixel support requires running with sudo, please try again!")

             message = ws.ws2811_get_return_t_str(resp)
             raise RuntimeError('ws2811_init failed with code {0} ({1})'.format(resp, message))
         atexit.register(neopixel_cleanup)
             message = ws.ws2811_get_return_t_str(resp)
             raise RuntimeError('ws2811_init failed with code {0} ({1})'.format(resp, message))
         atexit.register(neopixel_cleanup)