30 lines
1 KiB
Python
30 lines
1 KiB
Python
import colorsys
|
|
from itertools import product
|
|
from ctypes import c_size_t, c_uint8, c_void_p, c_float, CDLL, Structure, POINTER
|
|
import numpy as np
|
|
import time
|
|
|
|
from config import *
|
|
|
|
ml = CDLL('./libml.so')
|
|
ml.matelight_open.restype = c_void_p
|
|
|
|
if ml.matelight_usb_init():
|
|
raise OSError('Cannot initialize USB library')
|
|
matelights = ml.matelight_open()
|
|
if matelights is None:
|
|
raise ImportError('Cannot open any Mate Light devices')
|
|
|
|
dbuf = np.zeros(DISPLAY_WIDTH*DISPLAY_HEIGHT*4, dtype=np.uint8)
|
|
def sendframe(framedata):
|
|
""" Send a frame to the display
|
|
|
|
The argument contains a h * w array of 3-tuples of (r, g, b)-data or 4-tuples of (r, g, b, a)-data where the a
|
|
channel is ignored.
|
|
"""
|
|
# just use the first Mate Light available
|
|
rgba = len(framedata) == DISPLAY_WIDTH*DISPLAY_HEIGHT*4
|
|
global dbuf
|
|
np.copyto(dbuf[:640*(3+rgba)], np.frombuffer(framedata, dtype=np.uint8))
|
|
ml.matelight_send_frame(matelights, dbuf.ctypes.data_as(POINTER(c_uint8)), c_size_t(CRATES_X), c_size_t(CRATES_Y), c_float(BRIGHTNESS), rgba)
|
|
|