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

94 lines
2.0 KiB
Python
Executable File

#! /usr/bin/python3
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')
def prepare_send():
w=ep_in.read(64)
# print(w)
def finish_send():
dev.ctrl_transfer(0x41, 0x00, 0x00, 0x00, "")
# print(".", end='', flush=True)
color0 = [ 0xff, 0x03 ]
color1 = [ 0xef, 0x7f ]
color2 = [ 0x00, 0x78 ]
color3 = [ 0xff, 0xff ]
image = color0*160*80
# + color1*160*40
image64 = color0*32
image = color1*160*80
point1600a=(color0*40+color1*40)*20
point1600b=(color1*40+color0*40)*20
point1600c=(color2*20+color3*20)*40
point1600d=(color3*20+color2*20)*40
import time
import sys
for i in range(10):
prepare_send()
ep_out.write(point1600a)
print(".", end='', flush=True)
ep_out.write(point1600b)
print(".", end='', flush=True)
ep_out.write(point1600a)
print(".", end='', flush=True)
ep_out.write(point1600b)
print(".", end='', flush=True)
ep_out.write(point1600a)
print(".", end='', flush=True)
ep_out.write(point1600b)
print(".", end='', flush=True)
ep_out.write(point1600a)
print(".", end='', flush=True)
ep_out.write(point1600b)
print(".")
finish_send()
prepare_send()
ep_out.write(point1600c*2+point1600d*2+point1600c*2+point1600d*2)
print(".")
finish_send()
prepare_send()
dev.ctrl_transfer(0x41, 0x00, 0x01, 0x00, "")