Files
chopstx/example-lcd/l.py
NIIBE Yutaka 99023a1126 Update example-lcd.
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2019-12-27 09:49:35 +09:00

97 lines
2.3 KiB
Python

#! /usr/bin/python3
# pos = [
# 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
# 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3,
# 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 9, 9, 10, 11,
# 12, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 28, 30, 31, 33, 35,
# 37, 40, 42, 44, 47, 50, 53, 56, 59, 63, 66, 70, 75, 79, 84, 89, 94,100,105,112,
# 118,125,133,141,149,158
# ]
pos = [
0, 1, 1, 1,
1, 2, 2, 3,
4, 6, 8, 11,
15, 20, 26, 35,
47, 63, 84, 112,
149
]
import usb.core
import usb.util
dev = usb.core.find(idVendor=0xffff, idProduct=0x0001)
if dev is None:
raise ValueError('Device not found')
# dev.set_configuration()
# get an endpoint instance
cfg = dev.get_active_configuration()
intf = cfg[(0,0)]
ep_out = usb.util.find_descriptor(
intf,
# match the first OUT endpoint
custom_match = \
lambda e: \
usb.util.endpoint_direction(e.bEndpointAddress) == \
usb.util.ENDPOINT_OUT)
ep_in = usb.util.find_descriptor(
intf,
# match the first IN endpoint
custom_match = \
lambda e: \
usb.util.endpoint_direction(e.bEndpointAddress) == \
usb.util.ENDPOINT_IN)
if ep_out is None:
raise ValueError('Endpoint to send data not found')
if ep_in is None:
raise ValueError('Endpoint to receive data not found')
color_black = [ 0, 0 ]
color0 = [ 0xff, 0x03 ]
color1 = [ 0xef, 0x7f ]
color2 = [ 0x00, 0x78 ]
color3 = [ 0xff, 0xff ]
def gen_image(x):
image = []
for i in range(80):
image = image + (color_black * x) + (color0 * (160-x))
return image
images = [ gen_image(p) for p in pos ]
# images = [ gen_image(p) for p in range(160) ]
import time
import sys
def prepare_send():
w=ep_in.read(64)
# print(w)
def finish_send():
dev.ctrl_transfer(0x41, 0x00, 0x00, 0x00, "")
# print(".", end='', flush=True)
for i in range(len(images)*8):
i0 = i % (len(images)*2)
if i0 < len(images):
x = (i % len(images))
else:
x = len(images)- 1 - (i % len(images))
# print("%d %d: %d" % (i, x, len(images[x])))
if True:
prepare_send()
ep_out.write(images[x])
finish_send()
prepare_send()
dev.ctrl_transfer(0x41, 0x00, 0x01, 0x00, "")