68 行
1.7 KiB
Python
68 行
1.7 KiB
Python
"""
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LUFA Library
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Copyright (C) Dean Camera, 2014.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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"""
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"""
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LUFA Bulk Vendor device demo host test script. This script will send and
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receive a continuous stream of packets to/from to the device, to show
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bidirectional communications.
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Requires the pyUSB library (http://sourceforge.net/projects/pyusb/).
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"""
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import sys
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from time import sleep
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import usb.core
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import usb.util
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# Bulk Vendor HID device VID and PID
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device_vid = 0x03EB
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device_pid = 0x206C
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device_in_ep = 3
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device_out_ep = 4
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def get_vendor_device_handle():
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dev_handle = usb.core.find(idVendor=device_vid, idProduct=device_pid)
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return dev_handle
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def write(device, packet):
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device.write(usb.util.ENDPOINT_OUT | device_out_ep, packet, 0, 1000)
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print("Sent Packet: {0}".format(packet))
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def read(device):
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packet = device.read(usb.util.ENDPOINT_IN | device_in_ep, 64, 0, 1000)
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print("Received Packet: {0}".format(''.join([chr(x) for x in packet])))
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return packet
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def main():
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vendor_device = get_vendor_device_handle()
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if vendor_device is None:
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print("No valid Vendor device found.")
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sys.exit(1)
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vendor_device.set_configuration()
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print("Connected to device 0x%04X/0x%04X - %s [%s]" %
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(vendor_device.idVendor, vendor_device.idProduct,
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usb.util.get_string(vendor_device, 255, vendor_device.iProduct),
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usb.util.get_string(vendor_device, 255, vendor_device.iManufacturer)))
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x = 0
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while 1:
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x = x + 1 % 255
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write(vendor_device, "TEST PACKET %d" % x)
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read(vendor_device)
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sleep(1)
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if __name__ == '__main__':
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main()
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