circuitpython/ports/broadcom/supervisor/usb.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017, 2018 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.
*/
#include "lib/tinyusb/src/device/usbd.h"
#include "py/runtime.h"
#include "supervisor/background_callback.h"
#include "supervisor/usb.h"
#include "peripherals/broadcom/interrupts.h"
#include "peripherals/broadcom/vcmailbox.h"
uint32_t SystemCoreClock = 700 * 1000 * 1000;
void USB_IRQHandler(void) {
usb_irq_handler();
}
void init_usb_hardware(void) {
vcmailbox_set_power_state(VCMAILBOX_DEVICE_USB_HCD, true);
BP_SetPriority(USB_IRQn, 0x00);
BP_ClearPendingIRQ(USB_IRQn);
BP_EnableIRQ(USB_IRQn);
BP_EnableIRQs();
}