92 lines
3.6 KiB
C
92 lines
3.6 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/obj.h"
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#include "py/mphal.h"
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#include "py/runtime.h"
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#include "shared-bindings/usb_hid/__init__.h"
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#include "shared-bindings/usb_hid/Device.h"
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//| """USB Human Interface Device
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//|
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//| The `usb_hid` module allows you to output data as a HID device."""
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//|
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//| devices: Tuple[Device, ...]
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//| """Tuple of all active HID device interfaces."""
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//|
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//| def configure_usb(devices: Optional[Sequence[Device, ...]]) -> None:
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//| """Configure the USB HID devices that will be available.
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//| Can be called in ``boot.py``, before USB is connected.
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//|
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//| :param Sequence devices: `Device` objects.
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//| If `devices` is empty, HID is disabled. The order of the ``Devices``
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//| may matter to the host. For instance, for MacOS, put the mouse device
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//| before any Gamepad or Digitizer HID device or else it will not work.
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//| ...
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//|
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STATIC mp_obj_t usb_hid_configure_usb(mp_obj_t devices) {
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const mp_int_t len = mp_obj_get_int(mp_obj_len(devices));
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for (mp_int_t i = 0; i < len; i++) {
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mp_obj_t item = mp_obj_subscr(devices, MP_OBJ_NEW_SMALL_INT(i), MP_OBJ_SENTINEL);
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if (!MP_OBJ_IS_TYPE(item, &usb_hid_device_type)) {
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mp_raise_ValueError_varg(translate("non-Device in %q"), MP_QSTR_devices);
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}
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}
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if (!common_hal_usb_hid_configure_usb(devices)) {
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mp_raise_RuntimeError(translate("Cannot change USB devices now"));
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}
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(usb_hid_configure_usb_obj, usb_hid_configure_usb);
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// usb_hid.devices is set once the usb devices are determined, after boot.py runs.
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STATIC mp_map_elem_t usb_hid_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_usb_hid) },
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{ MP_ROM_QSTR(MP_QSTR_configure_usb), MP_OBJ_FROM_PTR(&usb_hid_configure_usb_obj) },
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{ MP_ROM_QSTR(MP_QSTR_devices), mp_const_none },
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{ MP_ROM_QSTR(MP_QSTR_Device), MP_OBJ_FROM_PTR(&usb_hid_device_type) },
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};
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STATIC MP_DEFINE_MUTABLE_DICT(usb_hid_module_globals, usb_hid_module_globals_table);
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const mp_obj_module_t usb_hid_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t *)&usb_hid_module_globals,
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};
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void usb_hid_set_devices(mp_obj_t devices) {
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mp_map_elem_t *elem =
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mp_map_lookup(&usb_hid_module_globals.map, MP_ROM_QSTR(MP_QSTR_devices), MP_MAP_LOOKUP);
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if (elem) {
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elem->value = devices;
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}
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}
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