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Refactor GenericHID Python test script code to make user specific adjustments easier.

This commit is contained in:
Dean Camera 2013-07-07 13:09:26 +02:00
parent 8d1376bbe9
commit 873d288f31
1 changed files with 12 additions and 8 deletions
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20
Demos/Device/ClassDriver/GenericHID/HostTestApp/test_generic_hid.py
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@ -19,9 +19,17 @@ import sys
from time import sleep
import pywinusb.hid as hid
# Generic HID device VID, PID and report payload length (length is increased
# by one to account for the Report ID byte that must be pre-pended)
device_vid = 0x03EB
device_pid = 0x204F
report_length = 1 + 8
def get_hid_device_handle():
hid_device_filter = hid.HidDeviceFilter(vendor_id=device_vid,
product_id=device_pid)
def get_hid_device_handle(VID, PID):
hid_device_filter = hid.HidDeviceFilter(vendor_id = VID, product_id = PID)
valid_hid_devices = hid_device_filter.get_devices()
if len(valid_hid_devices) is 0:
@ -31,16 +39,12 @@ def get_hid_device_handle(VID, PID):
def send_led_pattern(device, led1, led2, led3, led4):
# Length of the report: one byte for the report ID, remainder is the
# payload length as set in the demo
generic_report_size = 1 + 8
# Report data for the demo is the report ID (always zero) followed by the
# LED on/off data
report_data = [0, led1, led2, led3, led4]
# Zero-extend the array to the length the report should be
report_data.extend([0] * (generic_report_size - len(report_data)))
report_data.extend([0] * (report_length - len(report_data)))
# Send the generated report to the device
device.send_output_report(report_data)
@ -53,7 +57,7 @@ def received_led_pattern(report_data):
def main():
hid_device = get_hid_device_handle(VID=0x03EB, PID=0x204F)
hid_device = get_hid_device_handle()
if hid_device is None:
print("No valid HID device found.")