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import usb
import colorsys
import numpy as np
from config import *
import itertools
dev = usb.core.find(idVendor=0x1cbe, idProduct=0x0003)
def sendframe(framedata):
# not isinstance(framedata, np.array) or
if framedata.shape != (DISPLAY_HEIGHT, DISPLAY_WIDTH, 3) or framedata.dtype != np.uint8:
raise ValueError('framedata must be a ({}, {}, 3)-numpy array of uint8s. Got a {}-numpy array of {}'.format(DISPLAY_HEIGHT, DISPLAY_WIDTH, framedata.shape, framedata.dtype))
for cy, cx in itertools.product(range(CRATES_Y), range(CRATES_X)):
cratedata = framedata[cy*CRATE_HEIGHT:(cy+1)*CRATE_HEIGHT, cx*CRATE_WIDTH:(cx+1)*CRATE_WIDTH]
# Send framebuffer data
dev.write(0x01, bytes([0, cx, cy])+bytes(list(cratedata.flatten())))
# Send latch command
dev.write(0x01, b'\x01')
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