/* * This file is part of the Micro Python project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2022 Scott Shawcroft for Adafruit Industries * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ // This file uses method signatures and comments derived from the PyUSB code // that has the below BSD-3 license. /* Copyright 2009-2017 Wander Lairson Costa * Copyright 2009-2021 PyUSB contributors * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "py/objproperty.h" #include "shared-bindings/usb/core/Device.h" #include "py/runtime.h" //| class Device: //| //| def __init__(self) -> None: //| """User code cannot create Device objects. Instead, get them from //| `usb.core.find`. //| """ //| ... //| //| idVendor: int //| """The USB vendor ID of the device""" //| STATIC mp_obj_t usb_core_device_obj_get_idVendor(mp_obj_t self_in) { usb_core_device_obj_t *self = MP_OBJ_TO_PTR(self_in); return MP_OBJ_NEW_SMALL_INT(common_hal_usb_core_device_get_idVendor(self)); } MP_DEFINE_CONST_FUN_OBJ_1(usb_core_device_get_idVendor_obj, usb_core_device_obj_get_idVendor); MP_PROPERTY_GETTER(usb_core_device_idVendor_obj, (mp_obj_t)&usb_core_device_get_idVendor_obj); //| idProduct: int //| """The USB product ID of the device""" //| STATIC mp_obj_t usb_core_device_obj_get_idProduct(mp_obj_t self_in) { usb_core_device_obj_t *self = MP_OBJ_TO_PTR(self_in); return MP_OBJ_NEW_SMALL_INT(common_hal_usb_core_device_get_idProduct(self)); } MP_DEFINE_CONST_FUN_OBJ_1(usb_core_device_get_idProduct_obj, usb_core_device_obj_get_idProduct); MP_PROPERTY_GETTER(usb_core_device_idProduct_obj, (mp_obj_t)&usb_core_device_get_idProduct_obj); //| serial_number: str //| """The USB device's serial number string.""" //| STATIC mp_obj_t usb_core_device_obj_get_serial_number(mp_obj_t self_in) { usb_core_device_obj_t *self = MP_OBJ_TO_PTR(self_in); return common_hal_usb_core_device_get_serial_number(self); } MP_DEFINE_CONST_FUN_OBJ_1(usb_core_device_get_serial_number_obj, usb_core_device_obj_get_serial_number); MP_PROPERTY_GETTER(usb_core_device_serial_number_obj, (mp_obj_t)&usb_core_device_get_serial_number_obj); //| product: str //| """The USB device's product string.""" //| STATIC mp_obj_t usb_core_device_obj_get_product(mp_obj_t self_in) { usb_core_device_obj_t *self = MP_OBJ_TO_PTR(self_in); return common_hal_usb_core_device_get_product(self); } MP_DEFINE_CONST_FUN_OBJ_1(usb_core_device_get_product_obj, usb_core_device_obj_get_product); MP_PROPERTY_GETTER(usb_core_device_product_obj, (mp_obj_t)&usb_core_device_get_product_obj); //| manufacturer: str //| """The USB device's manufacturer string.""" //| STATIC mp_obj_t usb_core_device_obj_get_manufacturer(mp_obj_t self_in) { usb_core_device_obj_t *self = MP_OBJ_TO_PTR(self_in); return common_hal_usb_core_device_get_manufacturer(self); } MP_DEFINE_CONST_FUN_OBJ_1(usb_core_device_get_manufacturer_obj, usb_core_device_obj_get_manufacturer); MP_PROPERTY_GETTER(usb_core_device_manufacturer_obj, (mp_obj_t)&usb_core_device_get_manufacturer_obj); //| def write(self, endpoint: int, data: ReadableBuffer, timeout:Optional[int] = None) -> int: //| """Write data to a specific endpoint on the device. //| //| :param int endpoint: the bEndpointAddress you want to communicate with. //| :param ReadableBuffer data: the data to send //| :param int timeout: Time to wait specified in milliseconds. (Different from most CircuitPython!) //| :returns: the number of bytes written //| """ //| ... //| STATIC mp_obj_t usb_core_device_write(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { enum { ARG_endpoint, ARG_data, ARG_timeout }; static const mp_arg_t allowed_args[] = { { MP_QSTR_endpoint, MP_ARG_REQUIRED | MP_ARG_INT }, { MP_QSTR_data, MP_ARG_REQUIRED | MP_ARG_OBJ }, { MP_QSTR_timeout, MP_ARG_INT, {.u_int = 0} }, }; usb_core_device_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]); mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); mp_buffer_info_t bufinfo; mp_get_buffer_raise(args[ARG_data].u_obj, &bufinfo, MP_BUFFER_READ); return MP_OBJ_NEW_SMALL_INT(common_hal_usb_core_device_write(self, args[ARG_endpoint].u_int, bufinfo.buf, bufinfo.len, args[ARG_timeout].u_int)); } MP_DEFINE_CONST_FUN_OBJ_KW(usb_core_device_write_obj, 2, usb_core_device_write); //| def read(self, endpoint: int, size_or_buffer: array.array, timeout:Optional[int] = None) -> int: //| """Read data from the endpoint. //| //| :param int endpoint: the bEndpointAddress you want to communicate with. //| :param array.array size_or_buffer: the array to read data into. PyUSB also allows size but CircuitPython only support array to force deliberate memory use. //| :param int timeout: Time to wait specified in milliseconds. (Different from most CircuitPython!) //| :returns: the number of bytes read //| """ //| ... STATIC mp_obj_t usb_core_device_read(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { enum { ARG_endpoint, ARG_size_or_buffer, ARG_timeout }; static const mp_arg_t allowed_args[] = { { MP_QSTR_endpoint, MP_ARG_REQUIRED | MP_ARG_INT }, { MP_QSTR_size_or_buffer, MP_ARG_REQUIRED | MP_ARG_OBJ }, { MP_QSTR_timeout, MP_ARG_INT, {.u_int = 0} }, }; usb_core_device_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]); mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); mp_buffer_info_t bufinfo; mp_get_buffer_raise(args[ARG_size_or_buffer].u_obj, &bufinfo, MP_BUFFER_WRITE); return MP_OBJ_NEW_SMALL_INT(common_hal_usb_core_device_read(self, args[ARG_endpoint].u_int, bufinfo.buf, bufinfo.len, args[ARG_timeout].u_int)); } MP_DEFINE_CONST_FUN_OBJ_KW(usb_core_device_read_obj, 2, usb_core_device_read); //| def ctrl_transfer(self, bmRequestType:int, bRequest:int, wValue:int=0, wIndex:int=0, //| data_or_wLength: Optional[array.array] = None, timeout:Optional[int] = None) -> int: //| """Do a control transfer on the endpoint 0. The parameters bmRequestType, //| bRequest, wValue and wIndex are the same of the USB Standard Control //| Request format. //| //| Control requests may or may not have a data payload to write/read. //| In cases which it has, the direction bit of the bmRequestType //| field is used to infer the desired request direction. //| //| For host to device requests (OUT), data_or_wLength parameter is //| the data payload to send, and it must be a sequence type convertible //| to an array object. In this case, the return value is the number //| of bytes written in the data payload. //| //| For device to host requests (IN), data_or_wLength is an array //| object which the data will be read to, and the return value is the //| number of bytes read. //| """ //| ... //| STATIC mp_obj_t usb_core_device_ctrl_transfer(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { enum { ARG_bmRequestType, ARG_bRequest, ARG_wValue, ARG_wIndex, ARG_data_or_wLength, ARG_timeout }; static const mp_arg_t allowed_args[] = { { MP_QSTR_bmRequestType, MP_ARG_REQUIRED | MP_ARG_INT }, { MP_QSTR_bRequest, MP_ARG_REQUIRED | MP_ARG_INT }, { MP_QSTR_wValue, MP_ARG_INT, {.u_int = 0} }, { MP_QSTR_wIndex, MP_ARG_INT, {.u_int = 0} }, { MP_QSTR_data_or_wLength, MP_ARG_OBJ, {.u_obj = mp_const_none} }, { MP_QSTR_timeout, MP_ARG_INT, {.u_int = 0} }, }; usb_core_device_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]); mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); mp_buffer_info_t bufinfo; // check request type if ((args[ARG_bmRequestType].u_int & 0x80) != 0) { mp_get_buffer_raise(args[ARG_data_or_wLength].u_obj, &bufinfo, MP_BUFFER_WRITE); } else { mp_get_buffer_raise(args[ARG_data_or_wLength].u_obj, &bufinfo, MP_BUFFER_READ); } mp_int_t result = common_hal_usb_core_device_ctrl_transfer(self, args[ARG_bmRequestType].u_int, args[ARG_bRequest].u_int, args[ARG_wValue].u_int, args[ARG_wIndex].u_int, bufinfo.buf, bufinfo.len, args[ARG_timeout].u_int); return MP_OBJ_NEW_SMALL_INT(result); } MP_DEFINE_CONST_FUN_OBJ_KW(usb_core_device_ctrl_transfer_obj, 2, usb_core_device_ctrl_transfer); //| def is_kernel_driver_active(self, interface: int) -> bool: //| """Determine if CircuitPython is using the interface. If it is, the //| object will be unable to perform I/O. //| //| :param int interface: the device interface number to check //| """ //| ... //| STATIC mp_obj_t usb_core_device_is_kernel_driver_active(mp_obj_t self_in, mp_obj_t interface_in) { usb_core_device_obj_t *self = MP_OBJ_TO_PTR(self_in); mp_int_t interface = mp_obj_get_int(interface_in); bool active = common_hal_usb_core_device_is_kernel_driver_active(self, interface); return mp_obj_new_bool(active); } MP_DEFINE_CONST_FUN_OBJ_2(usb_core_device_is_kernel_driver_active_obj, usb_core_device_is_kernel_driver_active); //| def detach_kernel_driver(self, interface: int) -> None: //| """Stop CircuitPython from using the interface. If successful, you //| will then be able to perform I/O. CircuitPython will automatically //| re-start using the interface on reload. //| //| :param int interface: the device interface number to stop CircuitPython on //| """ //| ... //| STATIC mp_obj_t usb_core_device_detach_kernel_driver(mp_obj_t self_in, mp_obj_t interface_in) { usb_core_device_obj_t *self = MP_OBJ_TO_PTR(self_in); mp_int_t interface = mp_obj_get_int(interface_in); common_hal_usb_core_device_detach_kernel_driver(self, interface); return mp_const_none; } MP_DEFINE_CONST_FUN_OBJ_2(usb_core_device_detach_kernel_driver_obj, usb_core_device_detach_kernel_driver); //| def attach_kernel_driver(self, interface: int) -> None: //| """Allow CircuitPython to use the interface if it wants to. //| //| :param int interface: the device interface number to allow CircuitPython to use //| """ //| ... //| STATIC mp_obj_t usb_core_device_attach_kernel_driver(mp_obj_t self_in, mp_obj_t interface_in) { usb_core_device_obj_t *self = MP_OBJ_TO_PTR(self_in); mp_int_t interface = mp_obj_get_int(interface_in); common_hal_usb_core_device_attach_kernel_driver(self, interface); return mp_const_none; } MP_DEFINE_CONST_FUN_OBJ_2(usb_core_device_attach_kernel_driver_obj, usb_core_device_attach_kernel_driver); STATIC const mp_rom_map_elem_t usb_core_device_locals_dict_table[] = { { MP_ROM_QSTR(MP_QSTR_idVendor), MP_ROM_PTR(&usb_core_device_idVendor_obj) }, { MP_ROM_QSTR(MP_QSTR_idProduct), MP_ROM_PTR(&usb_core_device_idProduct_obj) }, { MP_ROM_QSTR(MP_QSTR_serial_number), MP_ROM_PTR(&usb_core_device_serial_number_obj) }, { MP_ROM_QSTR(MP_QSTR_product), MP_ROM_PTR(&usb_core_device_product_obj) }, { MP_ROM_QSTR(MP_QSTR_manufacturer), MP_ROM_PTR(&usb_core_device_manufacturer_obj) }, { MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&usb_core_device_write_obj) }, { MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&usb_core_device_read_obj) }, { MP_ROM_QSTR(MP_QSTR_ctrl_transfer), MP_ROM_PTR(&usb_core_device_ctrl_transfer_obj) }, { MP_ROM_QSTR(MP_QSTR_is_kernel_driver_active), MP_ROM_PTR(&usb_core_device_is_kernel_driver_active_obj) }, { MP_ROM_QSTR(MP_QSTR_detach_kernel_driver), MP_ROM_PTR(&usb_core_device_detach_kernel_driver_obj) }, { MP_ROM_QSTR(MP_QSTR_attach_kernel_driver), MP_ROM_PTR(&usb_core_device_attach_kernel_driver_obj) }, }; STATIC MP_DEFINE_CONST_DICT(usb_core_device_locals_dict, usb_core_device_locals_dict_table); const mp_obj_type_t usb_core_device_type = { { &mp_type_type }, .name = MP_QSTR_Device, .locals_dict = (mp_obj_t)&usb_core_device_locals_dict, };