43f7ca7985
* Clean up board defines. * Add flush on eject and stay ejected. * Swith back to NONE protocol for CDC.
475 lines
16 KiB
Python
475 lines
16 KiB
Python
import argparse
|
|
|
|
import os
|
|
import sys
|
|
|
|
sys.path.append("../../tools/usb_descriptor")
|
|
|
|
from adafruit_usb_descriptor import audio, audio10, cdc, hid, midi, msc, standard, util
|
|
import hid_report_descriptors
|
|
|
|
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_c_file', type=argparse.FileType('w'), required=True)
|
|
parser.add_argument('--output_h_file', type=argparse.FileType('w'), required=True)
|
|
|
|
args = parser.parse_args()
|
|
|
|
class StringIndex:
|
|
"""Assign a monotonically increasing index to each unique string. Start with 0."""
|
|
string_to_index = {}
|
|
index_to_variable = {}
|
|
strings = []
|
|
|
|
@classmethod
|
|
def index(cls, string, *, variable_name = None):
|
|
if string in cls.string_to_index:
|
|
idx = cls.string_to_index[string]
|
|
if not cls.index_to_variable[idx]:
|
|
cls.index_to_variable[idx] = variable_name
|
|
return idx
|
|
else:
|
|
idx = len(cls.strings)
|
|
cls.string_to_index[string] = idx
|
|
cls.strings.append(string)
|
|
cls.index_to_variable[idx] = variable_name
|
|
return idx
|
|
|
|
@classmethod
|
|
def strings_in_order(cls):
|
|
return cls.strings
|
|
|
|
|
|
|
|
# langid must be the 0th string descriptor
|
|
LANGID_INDEX = StringIndex.index("\u0409", variable_name="language_id")
|
|
assert LANGID_INDEX == 0
|
|
SERIAL_NUMBER_INDEX = StringIndex.index("S" * args.serial_number_length, variable_name="usb_serial_number")
|
|
|
|
device = standard.DeviceDescriptor(
|
|
description="top",
|
|
idVendor=args.vid,
|
|
idProduct=args.pid,
|
|
iManufacturer=StringIndex.index(args.manufacturer),
|
|
iProduct=StringIndex.index(args.product),
|
|
iSerialNumber=SERIAL_NUMBER_INDEX)
|
|
|
|
# Interface numbers are interface-set local and endpoints are interface local
|
|
# until util.join_interfaces renumbers them.
|
|
|
|
cdc_union = cdc.Union(
|
|
description="CDC comm",
|
|
bMasterInterface=0x00, # Adjust this after interfaces are renumbered.
|
|
bSlaveInterface_list=[0x01]) # Adjust this after interfaces are renumbered.
|
|
|
|
cdc_call_management = cdc.CallManagement(
|
|
description="CDC comm",
|
|
bmCapabilities=0x01,
|
|
bDataInterface=0x01) # Adjust this after interfaces are renumbered.
|
|
|
|
cdc_comm_interface = standard.InterfaceDescriptor(
|
|
description="CDC comm",
|
|
bInterfaceClass=cdc.CDC_CLASS_COMM, # Communications Device Class
|
|
bInterfaceSubClass=cdc.CDC_SUBCLASS_ACM, # Abstract control model
|
|
bInterfaceProtocol=cdc.CDC_PROTOCOL_NONE,
|
|
iInterface=StringIndex.index("CircuitPython CDC control"),
|
|
subdescriptors=[
|
|
cdc.Header(
|
|
description="CDC comm",
|
|
bcdCDC=0x0110),
|
|
cdc_call_management,
|
|
cdc.AbstractControlManagement(
|
|
description="CDC comm",
|
|
bmCapabilities=0x02),
|
|
cdc_union,
|
|
standard.EndpointDescriptor(
|
|
description="CDC comm in",
|
|
bEndpointAddress=0x0 | standard.EndpointDescriptor.DIRECTION_IN,
|
|
bmAttributes=standard.EndpointDescriptor.TYPE_INTERRUPT,
|
|
wMaxPacketSize=0x0040,
|
|
bInterval=0x10)
|
|
])
|
|
|
|
cdc_data_interface = standard.InterfaceDescriptor(
|
|
description="CDC data",
|
|
bInterfaceClass=cdc.CDC_CLASS_DATA,
|
|
iInterface=StringIndex.index("CircuitPython CDC data"),
|
|
subdescriptors=[
|
|
standard.EndpointDescriptor(
|
|
description="CDC data out",
|
|
bEndpointAddress=0x0 | standard.EndpointDescriptor.DIRECTION_OUT,
|
|
bmAttributes=standard.EndpointDescriptor.TYPE_BULK),
|
|
standard.EndpointDescriptor(
|
|
description="CDC data in",
|
|
bEndpointAddress=0x0 | standard.EndpointDescriptor.DIRECTION_IN,
|
|
bmAttributes=standard.EndpointDescriptor.TYPE_BULK),
|
|
])
|
|
|
|
cdc_interfaces = [cdc_comm_interface, cdc_data_interface]
|
|
|
|
msc_interfaces = [
|
|
standard.InterfaceDescriptor(
|
|
description="MSC",
|
|
bInterfaceClass=msc.MSC_CLASS,
|
|
bInterfaceSubClass=msc.MSC_SUBCLASS_TRANSPARENT,
|
|
bInterfaceProtocol=msc.MSC_PROTOCOL_BULK,
|
|
iInterface=StringIndex.index("CircuitPython Mass Storage"),
|
|
subdescriptors=[
|
|
standard.EndpointDescriptor(
|
|
description="MSC in",
|
|
bEndpointAddress=0x0 | standard.EndpointDescriptor.DIRECTION_IN,
|
|
bmAttributes=standard.EndpointDescriptor.TYPE_BULK,
|
|
bInterval=0),
|
|
standard.EndpointDescriptor(
|
|
description="MSC out",
|
|
bEndpointAddress=0x1 | standard.EndpointDescriptor.DIRECTION_OUT,
|
|
bmAttributes=standard.EndpointDescriptor.TYPE_BULK,
|
|
bInterval=0)
|
|
]
|
|
)
|
|
]
|
|
|
|
# Include only these HID devices.
|
|
# DIGITIZER works on Linux but conflicts with MOUSE, so leave it out for now.
|
|
hid_devices = ("KEYBOARD", "MOUSE", "CONSUMER", "GAMEPAD")
|
|
|
|
combined_hid_report_descriptor = hid.ReportDescriptor(
|
|
description="MULTIDEVICE",
|
|
report_descriptor=b''.join(
|
|
hid_report_descriptors.REPORT_DESCRIPTORS[name].report_descriptor for name in hid_devices ))
|
|
|
|
hid_report_ids_dict = { name: hid_report_descriptors.REPORT_IDS[name] for name in hid_devices }
|
|
hid_report_lengths_dict = { name: hid_report_descriptors.REPORT_LENGTHS[name] for name in hid_devices }
|
|
hid_max_report_length = max(hid_report_lengths_dict.values())
|
|
|
|
# ASF4 expects keyboard and generic devices to have both in and out endpoints,
|
|
# and will fail (possibly silently) if both are not supplied.
|
|
hid_endpoint_in_descriptor = standard.EndpointDescriptor(
|
|
description="HID in",
|
|
bEndpointAddress=0x0 | standard.EndpointDescriptor.DIRECTION_IN,
|
|
bmAttributes=standard.EndpointDescriptor.TYPE_INTERRUPT,
|
|
bInterval=10)
|
|
|
|
hid_interfaces = [
|
|
standard.InterfaceDescriptor(
|
|
description="HID Multiple Devices",
|
|
bInterfaceClass=hid.HID_CLASS,
|
|
bInterfaceSubClass=hid.HID_SUBCLASS_NOBOOT,
|
|
bInterfaceProtocol=hid.HID_PROTOCOL_NONE,
|
|
iInterface=StringIndex.index("CircuitPython HID"),
|
|
subdescriptors=[
|
|
hid.HIDDescriptor(
|
|
description="HID",
|
|
wDescriptorLength=len(bytes(combined_hid_report_descriptor))),
|
|
hid_endpoint_in_descriptor,
|
|
]
|
|
),
|
|
]
|
|
|
|
# Audio!
|
|
midi_in_jack = midi.InJackDescriptor(
|
|
description="MIDI PC <- CircuitPython internals",
|
|
bJackType=midi.JACK_TYPE_EMBEDDED,
|
|
iJack=0)
|
|
midi_out_jack = midi.OutJackDescriptor(
|
|
description="MIDI PC -> CircuitPython internals",
|
|
bJackType=midi.JACK_TYPE_EMBEDDED,
|
|
iJack=0)
|
|
audio_midi_interface = standard.InterfaceDescriptor(
|
|
description="All the audio",
|
|
bInterfaceClass=audio.AUDIO_CLASS_DEVICE,
|
|
bInterfaceSubClass=audio.AUDIO_SUBCLASS_MIDI_STREAMING,
|
|
bInterfaceProtocol=audio.AUDIO_PROTOCOL_V1,
|
|
iInterface=StringIndex.index("CircuitPython MIDI"),
|
|
subdescriptors=[
|
|
midi.Header(
|
|
jacks_and_elements=[
|
|
midi_in_jack,
|
|
midi.InJackDescriptor(
|
|
description="MIDI data in from user code.",
|
|
bJackType=midi.JACK_TYPE_EXTERNAL, iJack=0),
|
|
midi_out_jack,
|
|
midi.OutJackDescriptor(
|
|
description="MIDI data out to user code.",
|
|
bJackType=midi.JACK_TYPE_EXTERNAL, iJack=0),
|
|
]
|
|
),
|
|
standard.EndpointDescriptor(
|
|
description="MIDI data out",
|
|
bEndpointAddress=0x0 | standard.EndpointDescriptor.DIRECTION_OUT,
|
|
bmAttributes=standard.EndpointDescriptor.TYPE_BULK),
|
|
midi.DataEndpointDescriptor(baAssocJack=[midi_out_jack]),
|
|
standard.EndpointDescriptor(
|
|
description="MIDI data in",
|
|
bEndpointAddress=0x0 | standard.EndpointDescriptor.DIRECTION_IN,
|
|
bmAttributes=standard.EndpointDescriptor.TYPE_BULK),
|
|
midi.DataEndpointDescriptor(baAssocJack=[midi_in_jack]),
|
|
])
|
|
|
|
cs_ac_interface = audio10.AudioControlInterface(
|
|
description="Empty audio control",
|
|
audio_streaming_interfaces = [],
|
|
midi_streaming_interfaces = [
|
|
audio_midi_interface
|
|
]
|
|
)
|
|
|
|
audio_control_interface = standard.InterfaceDescriptor(
|
|
description="All the audio",
|
|
bInterfaceClass=audio.AUDIO_CLASS_DEVICE,
|
|
bInterfaceSubClass=audio.AUDIO_SUBCLASS_CONTROL,
|
|
bInterfaceProtocol=audio.AUDIO_PROTOCOL_V1,
|
|
iInterface=StringIndex.index("CircuitPython Audio"),
|
|
subdescriptors=[
|
|
cs_ac_interface,
|
|
])
|
|
|
|
# Audio streaming interfaces must occur before MIDI ones.
|
|
# audio_interfaces = [audio_control_interface] + cs_ac_interface.audio_streaming_interfaces + cs_ac_interface.midi_streaming_interfaces
|
|
|
|
# This will renumber the endpoints to make them unique across descriptors,
|
|
# and renumber the interfaces in order. But we still need to fix up certain
|
|
# interface cross-references.
|
|
interfaces = util.join_interfaces(cdc_interfaces, msc_interfaces, hid_interfaces)
|
|
|
|
# Now adjust the CDC interface cross-references.
|
|
|
|
cdc_union.bMasterInterface = cdc_comm_interface.bInterfaceNumber
|
|
cdc_union.bSlaveInterface_list = [cdc_data_interface.bInterfaceNumber]
|
|
|
|
cdc_call_management.bDataInterface = cdc_data_interface.bInterfaceNumber
|
|
|
|
cdc_iad = standard.InterfaceAssociationDescriptor(
|
|
description="CDC IAD",
|
|
bFirstInterface=cdc_comm_interface.bInterfaceNumber,
|
|
bInterfaceCount=len(cdc_interfaces),
|
|
bFunctionClass=cdc.CDC_CLASS_COMM, # Communications Device Class
|
|
bFunctionSubClass=cdc.CDC_SUBCLASS_ACM, # Abstract control model
|
|
bFunctionProtocol=cdc.CDC_PROTOCOL_NONE)
|
|
|
|
# audio_iad = standard.InterfaceAssociationDescriptor(
|
|
# description="Audio IAD",
|
|
# bFirstInterface=audio_control_interface.bInterfaceNumber,
|
|
# bInterfaceCount=len(audio_interfaces),
|
|
# bFunctionClass=audio.AUDIO_CLASS_DEVICE,
|
|
# bFunctionSubClass=audio.AUDIO_SUBCLASS_UNKNOWN,
|
|
# bFunctionProtocol=audio.AUDIO_PROTOCOL_V1)
|
|
|
|
|
|
descriptor_list = []
|
|
descriptor_list.append(cdc_iad)
|
|
# descriptor_list.append(audio_iad)
|
|
descriptor_list.extend(cdc_interfaces)
|
|
descriptor_list.extend(msc_interfaces)
|
|
# descriptor_list.append(audio_control_interface)
|
|
# Put the CDC IAD just before the CDC interfaces.
|
|
# There appears to be a bug in the Windows composite USB driver that requests the
|
|
# HID report descriptor with the wrong interface number if the HID interface is not given
|
|
# first. However, it still fetches the descriptor anyway. We could reorder the interfaces but
|
|
# the Windows 7 Adafruit_usbser.inf file thinks CDC is at Interface 0, so we'll leave it
|
|
# there for backwards compatibility.
|
|
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 "{H_FILE_NAME}"
|
|
|
|
""".format(H_FILE_NAME=h_file.name))
|
|
|
|
c_file.write("""\
|
|
// {DESCRIPTION} : {CLASS}
|
|
""".format(DESCRIPTION=device.description,
|
|
CLASS=device.__class__))
|
|
|
|
c_file.write("""\
|
|
const uint8_t usb_desc_dev[] = {
|
|
""")
|
|
for b in bytes(device):
|
|
c_file.write("0x{:02x}, ".format(b))
|
|
|
|
c_file.write("""\
|
|
};
|
|
""")
|
|
|
|
c_file.write("""\
|
|
const uint8_t usb_desc_cfg[] = {
|
|
""")
|
|
|
|
# Write out all the regular descriptors as one long array (that's how ASF4 does it).
|
|
descriptor_length = 0
|
|
for descriptor in descriptor_list:
|
|
c_file.write("""\
|
|
// {DESCRIPTION} : {CLASS}
|
|
""".format(DESCRIPTION=descriptor.description,
|
|
CLASS=descriptor.__class__))
|
|
|
|
b = bytes(descriptor)
|
|
notes = descriptor.notes()
|
|
i = 0
|
|
|
|
# This prints each subdescriptor on a separate line.
|
|
n = 0
|
|
while i < len(b):
|
|
length = b[i]
|
|
for j in range(length):
|
|
c_file.write("0x{:02x}, ".format(b[i + j]))
|
|
c_file.write("// " + notes[n])
|
|
n += 1
|
|
c_file.write("\n")
|
|
i += length
|
|
descriptor_length += len(b)
|
|
|
|
c_file.write("""\
|
|
};
|
|
""")
|
|
|
|
pointers_to_strings = []
|
|
|
|
for idx, descriptor in enumerate(string_descriptors):
|
|
c_file.write("""\
|
|
// {DESCRIPTION} : {CLASS}
|
|
""".format(DESCRIPTION=descriptor.description,
|
|
CLASS=descriptor.__class__))
|
|
|
|
b = bytes(descriptor)
|
|
notes = descriptor.notes()
|
|
i = 0
|
|
|
|
# This prints each subdescriptor on a separate line.
|
|
variable_name = StringIndex.index_to_variable[idx]
|
|
if not variable_name:
|
|
variable_name = "string_descriptor{}".format(idx)
|
|
|
|
const = "const "
|
|
if variable_name == "usb_serial_number":
|
|
const = ""
|
|
c_file.write("""\
|
|
{const}uint16_t {NAME}[] = {{
|
|
""".format(const=const, NAME=variable_name))
|
|
pointers_to_strings.append("{name}".format(name=variable_name))
|
|
n = 0
|
|
while i < len(b):
|
|
length = b[i]
|
|
for j in range(length // 2):
|
|
c_file.write("0x{:04x}, ".format(b[i + 2*j + 1] << 8 | b[i + 2*j]))
|
|
n += 1
|
|
c_file.write("\n")
|
|
i += length
|
|
c_file.write("""\
|
|
};
|
|
""")
|
|
|
|
c_file.write("""\
|
|
// array of pointer to string descriptors
|
|
uint16_t const * const string_desc_arr [] =
|
|
{
|
|
""")
|
|
c_file.write(""",\
|
|
|
|
""".join(pointers_to_strings))
|
|
|
|
c_file.write("""
|
|
};
|
|
""")
|
|
|
|
c_file.write("\n");
|
|
|
|
hid_descriptor_length = len(bytes(combined_hid_report_descriptor))
|
|
|
|
# Now we values we need for the .h file.
|
|
h_file.write("""\
|
|
#ifndef MICROPY_INCLUDED_AUTOGEN_USB_DESCRIPTOR_H
|
|
#define MICROPY_INCLUDED_AUTOGEN_USB_DESCRIPTOR_H
|
|
|
|
#include <stdint.h>
|
|
|
|
const uint8_t usb_desc_dev[{device_length}];
|
|
// Make sure the control buffer is big enough to fit the descriptor.
|
|
#define CFG_TUD_ENUM_BUFFER_SIZE {max_configuration_length}
|
|
const uint8_t usb_desc_cfg[{configuration_length}];
|
|
uint16_t usb_serial_number[{serial_number_length}];
|
|
uint16_t const * const string_desc_arr [{string_descriptor_length}];
|
|
|
|
const uint8_t hid_report_descriptor[{HID_REPORT_DESCRIPTOR_LENGTH}];
|
|
|
|
// Vendor name included in Inquiry response, max 8 bytes
|
|
#define CFG_TUD_MSC_VENDOR "{msc_vendor}"
|
|
|
|
// Product name included in Inquiry response, max 16 bytes
|
|
#define CFG_TUD_MSC_PRODUCT "{msc_product}"
|
|
|
|
"""
|
|
.format(serial_number_length=len(bytes(serial_number_descriptor)) // 2,
|
|
device_length=len(bytes(device)),
|
|
configuration_length=descriptor_length,
|
|
max_configuration_length=max(hid_descriptor_length, descriptor_length),
|
|
string_descriptor_length=len(pointers_to_strings),
|
|
HID_REPORT_DESCRIPTOR_LENGTH=len(bytes(combined_hid_report_descriptor)),
|
|
msc_vendor=args.manufacturer[:8],
|
|
msc_product=args.product[:16]))
|
|
|
|
# #define the report ID's used in the combined HID descriptor
|
|
for name, id in hid_report_ids_dict.items():
|
|
h_file.write("""\
|
|
#define USB_HID_REPORT_ID_{name} {id}
|
|
""".format(name=name,
|
|
id=id))
|
|
|
|
h_file.write("\n")
|
|
|
|
# #define the report sizes used in the combined HID descriptor
|
|
for name, length in hid_report_lengths_dict.items():
|
|
h_file.write("""\
|
|
#define USB_HID_REPORT_LENGTH_{name} {length}
|
|
""".format(name=name,
|
|
length=length))
|
|
|
|
h_file.write("\n")
|
|
|
|
h_file.write("""\
|
|
#define USB_HID_NUM_DEVICES {num_devices}
|
|
#define USB_HID_MAX_REPORT_LENGTH {max_length}
|
|
""".format(num_devices=len(hid_report_lengths_dict),
|
|
max_length=hid_max_report_length))
|
|
|
|
|
|
|
|
# Write out the report descriptor and info
|
|
c_file.write("""\
|
|
const uint8_t hid_report_descriptor[{HID_DESCRIPTOR_LENGTH}] = {{
|
|
""".format(HID_DESCRIPTOR_LENGTH=hid_descriptor_length))
|
|
|
|
for b in bytes(combined_hid_report_descriptor):
|
|
c_file.write("0x{:02x}, ".format(b))
|
|
c_file.write("""
|
|
};
|
|
""")
|
|
|
|
h_file.write("""\
|
|
#endif // MICROPY_INCLUDED_AUTOGEN_USB_DESCRIPTOR_H
|
|
""")
|