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RIOT/sys/riotboot/usb_dfu.c
2021-07-20 22:51:15 +02:00

45 lines
1.1 KiB
C

/*
* Copyright (C) 2020 Mesotic SAS
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup sys_riotboot_usb_dfu
* @{
*
* @file
* @brief USB Device Firmware Upgrade initialization for riotboot
*
* @author Dylan Laduranty <dylan.laduranty@mesotic.com>
*
* @}
*/
#include "cpu.h"
#include "thread.h"
#include "usb/usbus.h"
#include "usb/dfu.h"
#include "usb/usbus/dfu.h"
#include "riotboot/magic.h"
#include "riotboot/usb_dfu.h"
static usbus_dfu_device_t dfu;
static char _stack[USBUS_STACKSIZE];
static usbus_t usbus;
void riotboot_usb_dfu_init(unsigned forced)
{
uint32_t *reset_addr = (uint32_t *)RIOTBOOT_MAGIC_ADDR;
if (forced == 1 || *reset_addr == RIOTBOOT_MAGIC_NUMBER) {
*reset_addr = 0;
usbus_init(&usbus, usbdev_get_ctx(0));
usbus_dfu_init(&usbus, &dfu, USB_DFU_PROTOCOL_DFU_MODE);
usbus_create(_stack, USBUS_STACKSIZE, USBUS_PRIO, USBUS_TNAME, &usbus);
}
}