kopia lustrzana https://github.com/raspberrypi/pico-extras
18 wiersze
402 B
C
18 wiersze
402 B
C
|
/*
|
||
|
|
* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "pico/util/buffer.h"
|
||
|
|
|
||
|
|
#ifdef PICO_BUFFER_USB_ALLOC_HACK
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
uint8_t *usb_ram_alloc_ptr = (uint8_t *)(USBCTRL_DPRAM_BASE + USB_DPRAM_MAX);
|
||
|
|
|
||
|
|
static void __attribute__((constructor)) _clear_usb_ram() {
|
||
|
|
memset(usb_ram_alloc_ptr, 0, USB_DPRAM_SIZE - USB_DPRAM_MAX);
|
||
|
|
}
|
||
|
|
#endif
|