X-Git-Url: https://git.ayoreis.com/Adafruit_Blinka-hackapet.git/blobdiff_plain/3f017a27633d001cdb30d6e36bfce3baea3ab52d..40b64d58a1a537ccc55e1c45fe6804b495c6e055:/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
deleted file mode 100644
index 3d670c7..0000000
--- a/src/adafruit_blinka/microcontroller/raspi_23/neopixel.py
+++ /dev/null
@@ -1,104 +0,0 @@
-import time
-import math
-import _rpi_ws281x as ws
-import atexit
-
-# LED configuration.
-LED_CHANNEL    = 0
-LED_FREQ_HZ    = 800000     # Frequency of the LED signal.  We only support 800KHz
-LED_DMA_NUM    = 10         # DMA channel to use, can be 0-14.
-LED_BRIGHTNESS = 255        # We manage the brightness in the neopixel library
-LED_INVERT     = 0          # We don't support inverted logic
-LED_STRIP      = None # We manage the color order within the neopixel library
-
-# a 'static' object that we will use to manage our PWM DMA channel
-# we only support one LED strip per raspi
-_led_strip = None
-
-def neopixel_write(gpio, buf):
-    global _led_strip # we'll have one strip we init if its not at first
-
-    if _led_strip is None:
-        # Create a ws2811_t structure from the LED configuration.
-        # Note that this structure will be created on the heap so you
-        # need to be careful that you delete its memory by calling
-        # delete_ws2811_t when it's not needed.
-        _led_strip = ws.new_ws2811_t()
-
-        # Initialize all channels to off
-        for channum in range(2):
-            channel = ws.ws2811_channel_get(_led_strip, channum)
-            ws.ws2811_channel_t_count_set(channel, 0)
-            ws.ws2811_channel_t_gpionum_set(channel, 0)
-            ws.ws2811_channel_t_invert_set(channel, 0)
-            ws.ws2811_channel_t_brightness_set(channel, 0)
-
-        channel = ws.ws2811_channel_get(_led_strip, LED_CHANNEL)
-
-        # Initialize the channel in use
-        count = 0
-        if len(buf) % 3 == 0:            
-            # most common, divisible by 3 is likely RGB
-            LED_STRIP = ws.WS2811_STRIP_RGB
-            count = len(buf)//3
-        elif len(buf) % 4 == 0:
-            LED_STRIP = ws.SK6812_STRIP_RGBW
-            count = len(buf)//4
-        else:
-            raise RuntimeError("We only support 3 or 4 bytes-per-pixel")
-
-        ws.ws2811_channel_t_count_set(channel, count) # we manage 4 vs 3 bytes in the library
-        ws.ws2811_channel_t_gpionum_set(channel, gpio._pin.id)
-        ws.ws2811_channel_t_invert_set(channel, LED_INVERT)
-        ws.ws2811_channel_t_brightness_set(channel, LED_BRIGHTNESS)
-        ws.ws2811_channel_t_strip_type_set(channel, LED_STRIP)
-
-        # Initialize the controller
-        ws.ws2811_t_freq_set(_led_strip, LED_FREQ_HZ)
-        ws.ws2811_t_dmanum_set(_led_strip, LED_DMA_NUM)
-    
-        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)
-
-    channel = ws.ws2811_channel_get(_led_strip, LED_CHANNEL)
-    if gpio._pin.id != ws.ws2811_channel_t_gpionum_get(channel):
-        raise RuntimeError("Raspberry Pi neopixel support is for one strip only!")
-
-    if ws.ws2811_channel_t_strip_type_get(channel) == ws.WS2811_STRIP_RGB:
-        bpp = 3
-    else:
-        bpp = 4
-    # assign all colors!
-    for i in range(len(buf) // bpp):
-        r = buf[bpp*i]
-        g = buf[bpp*i+1]
-        b = buf[bpp*i+2]
-        if bpp == 3:
-            pixel = (r << 16) | (g << 8) | b
-        else:
-            w = buf[bpp*i+3]
-            pixel = (w << 24) | (r << 16) | (g << 8) | b
-        ws.ws2811_led_set(channel, i, pixel)
-    
-    resp = ws.ws2811_render(_led_strip)
-    if resp != ws.WS2811_SUCCESS:
-        message = ws.ws2811_get_return_t_str(resp)
-        raise RuntimeError('ws2811_render failed with code {0} ({1})'.format(resp, message))
-    time.sleep(0.001 * ((len(buf)//100)+1))  # about 1ms per 100 bytes
-
-
-def neopixel_cleanup():
-    global _led_strip
-
-    if _led_strip is not None:
-        # Ensure ws2811_fini is called before the program quits.
-        ws.ws2811_fini(_led_strip)
-        # Example of calling delete function to clean up structure memory.  Isn't
-        # strictly necessary at the end of the program execution here, but is good practice.
-        ws.delete_ws2811_t(_led_strip)
-        _led_strip = None