if 'AUDIO' in args.devices:
# Only add the control interface because other audio interfaces are managed by it to ensure the
# correct ordering.
descriptor_list.append(audio_control_interface)
# Finally, build the composite descriptor.
configuration = standard.ConfigurationDescriptor(
description="Composite configuration",
wTotalLength=(standard.ConfigurationDescriptor.bLength +
sum([len(bytes(x)) for x in descriptor_list])),
bNumInterfaces=len(interfaces))
descriptor_list.insert(0, configuration)
string_descriptors = [
standard.StringDescriptor(string)
for string in StringIndex.strings_in_order()
]
serial_number_descriptor = string_descriptors[SERIAL_NUMBER_INDEX]
c_file = args.output_c_file
h_file = args.output_h_file
c_file.write("""\
#include <stdint.h>
#include "py/objtuple.h"
#include "shared-bindings/usb_hid/Device.h"
#include "{H_FILE_NAME}"
""".format(H_FILE_NAME=h_file.name))
if 'AUDIO' in args.devices:
# Only add the control interface because other audio interfaces are managed by it to ensure the
# correct ordering.
descriptor_list.append(audio_control_interface)
if 'HID' in args.devices:
descriptor_list.extend(hid_interfaces)
configuration = standard.ConfigurationDescriptor(
description="Composite configuration",
wTotalLength=(standard.ConfigurationDescriptor.bLength +
sum([len(bytes(x)) for x in descriptor_list])),
bNumInterfaces=len(interfaces))
descriptor_list.insert(0, configuration)
string_descriptors = [standard.StringDescriptor(string) for string in StringIndex.strings_in_order()]
serial_number_descriptor = string_descriptors[SERIAL_NUMBER_INDEX]
c_file = args.output_c_file
h_file = args.output_h_file
c_file.write("""\
#include <stdint.h>
#include "py/objtuple.h"
#include "shared-bindings/usb_hid/Device.h"
#include "{H_FILE_NAME}"
""".format(H_FILE_NAME=h_file.name))
parser = argparse.ArgumentParser(description='Generate USB descriptors.')
parser.add_argument('--manufacturer',
type=str,
help='manufacturer of the device')
parser.add_argument('--product', type=str, help='product name of the device')
parser.add_argument('--vid', type=lambda x: int(x, 16), help='vendor id')
parser.add_argument('--pid', type=lambda x: int(x, 16), help='product id')
parser.add_argument('--serial_number_length',
type=int,
default=32,
help='length needed for the serial number in digits')
parser.add_argument('output_file', type=argparse.FileType('w'))
args = parser.parse_args()
langid = standard.StringDescriptor("\u0409")
manufacturer = standard.StringDescriptor(args.manufacturer)
product = standard.StringDescriptor(args.product)
serial_number = standard.StringDescriptor(
"serial number. you should fill in a unique serial number here."[:args.
serial_number_length]
)
strings = [langid, manufacturer, product, serial_number]
# vid = 0x239A
# pid = 0x8021
device = standard.DeviceDescriptor(idVendor=args.vid,
idProduct=args.pid,
iManufacturer=strings.index(manufacturer),
iProduct=strings.index(product),