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# Copyright (c) 2021 HPMicro
# SPDX-License-Identifier: BSD-3-Clause
import pywinusb.hid as hid
import os
import time
import sys
import operator
# VID and PID customization changes here...
VID = 0xFFFF
PID = 0xFFFF
# Send buffer
buffer = [0xff]*64
# Const
TIMEOUT = -1
PASS = 0
FAIL = 1
# Result
result = TIMEOUT
def search_dev():
filter = hid.HidDeviceFilter(vendor_id = VID, product_id = PID)
hid_device = filter.get_devices()
return hid_device
def recv_data(data):
print("<=================== USB HID Read ========================>")
for i in range(0, len(data)):
print("0x{0:02x}" .format(data[i]), end=" ")
print("\n")
global result
result = (PASS if (operator.eq(data[1:-1], buffer[1:-1]) == True) else FAIL)
return None
def send_data(report):
print("<=================== USB HID Write ========================>")
buffer[0] = report[0].report_id
print("0x{0:02x}" .format(buffer[0]), end=" ")
for i in range(1,64):
buffer[i] = i % 256
print("0x{0:02x}" .format(buffer[i]), end=" ")
print("\n")
report[0].set_raw_data(buffer)
report[0].send()
return None
if __name__ == '__main__':
device = search_dev()[0]
device.open()
device.set_raw_data_handler(recv_data)
send_data(device.find_output_reports())
time.sleep(1)
if result == PASS:
print("USB hid echo passed!")
elif result == FAIL:
print("USB HID echo failed!")
else:
print("USB HID echo timed out!")
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