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from pyusb import usb
import colorsys
import numpy as np
dev = usb.core.find(idVendor=0x1cbe, idProduct=0x0003)
def sendframe(framedata):
if not isinstance(framedata, np.array) or framedata.shape != (DISPLAY_WIDTH, DISPLAY_HEIGHT, 3) or framedata.dtype != np.int8:
raise ValueError('framedata must be a ({}, {}, 3)-numpy array of int8s'.format(DISPLAY_WIDTH, DISPLAY_HEIGHT))
for cx, cy in itertools.product(range(16), range(2)):
cratedata = framedata[cx*CRATE_WIDTH:(cx+1)*CRATE_WIDTH, cy*CRATE_HEIGHT:(cy+1)*CRATE_HEIGHT]
# Send framebuffer data
dev.write(0x01, bytes([0, x, y])+bytes(list(cratedata.flatten())))
# Send latch command
dev.write(0x01, b'\x01')
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