54 lines
2.2 KiB
C
54 lines
2.2 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) 2021 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 "lib/tinyusb/src/device/usbd.h"
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#include "supervisor/background_callback.h"
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#include "supervisor/usb.h"
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#include "src/rp2_common/hardware_irq/include/hardware/irq.h"
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#include "src/rp2_common/pico_platform/include/pico/platform.h"
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#include "src/rp2040/hardware_regs/include/hardware/regs/intctrl.h"
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void init_usb_hardware(void) {
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}
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void post_usb_init(void) {
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irq_set_enabled(USBCTRL_IRQ, false);
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irq_handler_t usb_handler = irq_get_exclusive_handler(USBCTRL_IRQ);
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if (usb_handler) {
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irq_remove_handler(USBCTRL_IRQ, usb_handler);
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}
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irq_set_exclusive_handler(USBCTRL_IRQ, usb_irq_handler);
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irq_set_enabled(USBCTRL_IRQ, true);
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// There is a small window where the USB interrupt may be handled by the
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// pico-sdk instead of CircuitPython. If that is the case, then we'll have
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// USB events to process that we didn't queue up a background task for. So,
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// queue one up here even if we might not have anything to do.
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usb_background_schedule();
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}
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