+++ /dev/null
-"""
- LUFA Library
- Copyright (C) Dean Camera, 2013.
-
- 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 pywinusb library (https://pypi.python.org/pypi/pywinusb/).
-"""
-
-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)
-
- valid_hid_devices = hid_device_filter.get_devices()
-
- if len(valid_hid_devices) is 0:
- return None
- else:
- return valid_hid_devices[0]
-
-
-def send_led_pattern(device, led1, led2, led3, led4):
- # 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] * (report_length - len(report_data)))
-
- # Send the generated report to the device
- device.send_output_report(report_data)
-
- print("Sent LED Pattern: {0}".format(report_data[1:5]))
-
-
-def received_led_pattern(report_data):
- print("Received LED Pattern: {0}".format(report_data[1:5]))
-
-
-def main():
- hid_device = get_hid_device_handle()
-
- if hid_device is None:
- print("No valid HID device found.")
- sys.exit(1)
-
- try:
- hid_device.open()
-
- print("Connected to device 0x%04X/0x%04X - %s [%s]" %
- (hid_device.vendor_id, hid_device.product_id,
- hid_device.product_name, hid_device.vendor_name))
-
- # Set up the HID input report handler to receive reports
- hid_device.set_raw_data_handler(received_led_pattern)
-
- p = 0
- while (hid_device.is_plugged()):
- # 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)
-
- # Compute next LED pattern in sequence
- p = (p + 1) % 16
-
- # Delay a bit for visual effect
- sleep(.2)
-
- finally:
- hid_device.close()
-
-
-if __name__ == '__main__':
- main()
--- /dev/null
+#!/usr/bin/env python
+
+"""
+ LUFA Library
+ Copyright (C) Dean Camera, 2013.
+
+ 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()
--- /dev/null
+"""
+ LUFA Library
+ Copyright (C) Dean Camera, 2013.
+
+ 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 pywinusb library (https://pypi.python.org/pypi/pywinusb/).
+"""
+
+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)
+
+ valid_hid_devices = hid_device_filter.get_devices()
+
+ if len(valid_hid_devices) is 0:
+ return None
+ else:
+ return valid_hid_devices[0]
+
+
+def send_led_pattern(device, led1, led2, led3, led4):
+ # 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] * (report_length - len(report_data)))
+
+ # Send the generated report to the device
+ device.send_output_report(report_data)
+
+ print("Sent LED Pattern: {0}".format(report_data[1:5]))
+
+
+def received_led_pattern(report_data):
+ print("Received LED Pattern: {0}".format(report_data[1:5]))
+
+
+def main():
+ hid_device = get_hid_device_handle()
+
+ if hid_device is None:
+ print("No valid HID device found.")
+ sys.exit(1)
+
+ try:
+ hid_device.open()
+
+ print("Connected to device 0x%04X/0x%04X - %s [%s]" %
+ (hid_device.vendor_id, hid_device.product_id,
+ hid_device.product_name, hid_device.vendor_name))
+
+ # Set up the HID input report handler to receive reports
+ hid_device.set_raw_data_handler(received_led_pattern)
+
+ p = 0
+ while (hid_device.is_plugged()):
+ # 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)
+
+ # Compute next LED pattern in sequence
+ p = (p + 1) % 16
+
+ # Delay a bit for visual effect
+ sleep(.2)
+
+ finally:
+ hid_device.close()
+
+
+if __name__ == '__main__':
+ main()