83593a1558
This allows you to list and explore connected USB devices. It only stubs out the methods to communicate to endpoints. That will come in a follow up once TinyUSB has it. (It's in progress.) Related to #5986
89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
/*
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* This file is part of the Micro Python 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) 2018 hathach 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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#ifndef MICROPY_INCLUDED_SUPERVISOR_USB_H
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#define MICROPY_INCLUDED_SUPERVISOR_USB_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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// Ports must call this as frequently as they can in order to keep the USB
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// connection alive and responsive. Normally this is called from background
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// tasks after the USB IRQ handler is executed, but in specific circumstances
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// it may be necessary to call it directly.
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void usb_background(void);
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// Schedule usb background
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void usb_background_schedule(void);
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// Ports must call this from their particular USB IRQ handler
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void usb_irq_handler(int instance);
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// Only inits the USB peripheral clocks and pins. The peripheral will be initialized by
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// TinyUSB.
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void init_usb_hardware(void);
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// Temporary hook for code after init. Only used for RP2040.
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void post_usb_init(void);
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// Indexes and counts updated as descriptors are built.
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typedef struct {
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size_t current_interface;
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size_t current_endpoint;
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size_t num_in_endpoints;
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size_t num_out_endpoints;
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} descriptor_counts_t;
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// Shared implementation.
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bool usb_enabled(void);
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void usb_add_interface_string(uint8_t interface_string_index, const char str[]);
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void usb_build_descriptors(void);
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void usb_disconnect(void);
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void usb_init(void);
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void usb_set_defaults(void);
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size_t usb_boot_py_data_size(void);
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void usb_get_boot_py_data(uint8_t *temp_storage, size_t temp_storage_size);
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void usb_return_boot_py_data(uint8_t *temp_storage, size_t temp_storage_size);
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// Further initialization that must be done with a VM present.
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void usb_setup_with_vm(void);
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// Propagate plug/unplug events to the MSC logic.
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#if CIRCUITPY_USB_MSC
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void usb_msc_mount(void);
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void usb_msc_umount(void);
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bool usb_msc_ejected(void);
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// Locking MSC prevents presenting the drive on plug-in when in use by something
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// else (likely BLE.)
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bool usb_msc_lock(void);
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void usb_msc_unlock(void);
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#endif
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#endif // MICROPY_INCLUDED_SUPERVISOR_USB_H
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