circuitpython/supervisor/shared/usb/usb_desc.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 hathach 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.
*/
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#include "lib/tinyusb/src/tusb.h"
#include "shared-module/usb_hid/Device.h"
#include "genhdr/autogen_usb_descriptor.h"
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// Invoked when received GET DEVICE DESCRIPTOR
// Application return pointer to descriptor
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uint8_t const *tud_descriptor_device_cb(void) {
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return usb_desc_dev;
}
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// Invoked when received GET CONFIGURATION DESCRIPTOR
// Application return pointer to descriptor
// Descriptor contents must exist long enough for transfer to complete
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uint8_t const *tud_descriptor_configuration_cb(uint8_t index) {
(void)index; // for multiple configurations
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return usb_desc_cfg;
}
#if CIRCUITPY_USB_HID
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// Invoked when received GET HID REPORT DESCRIPTOR
// Application return pointer to descriptor
// Descriptor contents must exist long enough for transfer to complete
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uint8_t const *tud_hid_descriptor_report_cb(uint8_t itf) {
(void)itf;
return hid_report_descriptor;
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}
#endif
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// Invoked when received GET STRING DESCRIPTOR request
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
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uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
uint8_t const max_index = sizeof(string_desc_arr) / sizeof(string_desc_arr[0]);
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return (index < max_index) ? string_desc_arr[index] : NULL;
}