diff options
Diffstat (limited to 'lib/lufa/Demos/Device/ClassDriver/GenericHID/HostTestApp/test_generic_hid_libusb.py')
-rwxr-xr-x | lib/lufa/Demos/Device/ClassDriver/GenericHID/HostTestApp/test_generic_hid_libusb.py | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/lib/lufa/Demos/Device/ClassDriver/GenericHID/HostTestApp/test_generic_hid_libusb.py b/lib/lufa/Demos/Device/ClassDriver/GenericHID/HostTestApp/test_generic_hid_libusb.py deleted file mode 100755 index 4efa4a0ab4..0000000000 --- a/lib/lufa/Demos/Device/ClassDriver/GenericHID/HostTestApp/test_generic_hid_libusb.py +++ /dev/null @@ -1,98 +0,0 @@ -#!/usr/bin/env python - -""" - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -""" - -""" - LUFA Generic HID device demo host test script. This script will send a - continuous stream of generic reports to the device, to show a variable LED - pattern on the target board. Send and received report data is printed to - the terminal. - - Requires the PyUSB library (http://sourceforge.net/apps/trac/pyusb/). -""" - -import sys -from time import sleep -import usb.core -import usb.util - -# 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 - -def get_and_init_hid_device(): - device = usb.core.find(idVendor=device_vid, idProduct=device_pid) - - if device is None: - sys.exit("Could not find USB device.") - - if device.is_kernel_driver_active(0): - try: - device.detach_kernel_driver(0) - except usb.core.USBError as exception: - sys.exit("Could not detatch kernel driver: %s" % str(exception)) - - try: - device.set_configuration() - except usb.core.USBError as exception: - sys.exit("Could not set configuration: %s" % str(exception)) - - return device - -def send_led_pattern(device, led1, led2, led3, led4): - # Report data for the demo is LED on/off data - report_data = [led1, led2, led3, led4] - - # Send the generated report to the device - number_of_bytes_written = device.ctrl_transfer( # Set Report control request - 0b00100001, # bmRequestType (constant for this control request) - 0x09, # bmRequest (constant for this control request) - 0, # wValue (MSB is report type, LSB is report number) - 0, # wIndex (interface number) - report_data # report data to be sent - ); - assert number_of_bytes_written == len(report_data) - - print("Sent LED Pattern: {0}".format(report_data)) - -def receive_led_pattern(hid_device): - endpoint = hid_device[0][(0,0)][0] - report_data = hid_device.read(endpoint.bEndpointAddress, endpoint.wMaxPacketSize) - return list(report_data) - -def main(): - hid_device = get_and_init_hid_device() - - print("Connected to device 0x%04X/0x%04X - %s [%s]" % - (hid_device.idVendor, hid_device.idProduct, - usb.util.get_string(hid_device, 256, hid_device.iProduct), - usb.util.get_string(hid_device, 256, hid_device.iManufacturer))) - - p = 0 - while (True): - # Convert the current pattern index to a bit-mask and send - send_led_pattern(hid_device, - (p >> 3) & 1, - (p >> 2) & 1, - (p >> 1) & 1, - (p >> 0) & 1) - - # Receive and print the current LED pattern - led_pattern = receive_led_pattern(hid_device)[0:4] - print("Received LED Pattern: {0}".format(led_pattern)) - - # Compute next LED pattern in sequence - p = (p + 1) % 16 - - # Delay a bit for visual effect - sleep(.2) - -if __name__ == '__main__': - main() |