blackmagic/src/platforms/common/usb.c

52 lines
1.5 KiB
C

/*
* This file is part of the Black Magic Debug project.
*
* Copyright (C) 2022 1BitSquared <info@1bitsquared.com>
* Written by Rachel Mant <git@dragonmux.network>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/cm3/nvic.h>
#include "general.h"
#include "usb.h"
#include "usb_descriptors.h"
#include "cdcacm.h"
#include "serialno.h"
char serial_no[DFU_SERIAL_LENGTH];
usbd_device *usbdev = NULL;
/* We need a special large control buffer for this device: */
static uint8_t usbd_control_buffer[256];
void blackmagic_usb_init(void)
{
serial_no_read(serial_no);
usbdev = usbd_init(&USB_DRIVER, &dev_desc, &config, usb_strings, sizeof(usb_strings) / sizeof(char *),
usbd_control_buffer, sizeof(usbd_control_buffer));
usbd_register_set_config_callback(usbdev, cdcacm_set_config);
nvic_set_priority(USB_IRQ, IRQ_PRI_USB);
nvic_enable_irq(USB_IRQ);
}
void USB_ISR(void)
{
usbd_poll(usbdev);
}