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trezor-firmware/core/embed/firmware/systemview.c

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/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (c) SatoshiLabs
*
* 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/>.
*/
#ifdef SYSTEM_VIEW
#include "systemview.h"
#include <string.h>
#include "mpconfigport.h"
#include "SEGGER_SYSVIEW.h"
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#include "SEGGER_SYSVIEW_Conf.h"
void enable_systemview() {
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SEGGER_SYSVIEW_Conf();
SEGGER_SYSVIEW_Start();
}
#ifdef SYSTEMVIEW_DEST_RTT
size_t _write(int file, const void *ptr, size_t len);
#endif
size_t segger_print(const char *str, size_t len) {
#ifdef SYSTEMVIEW_DEST_SYSTEMVIEW
static char str_copy[1024];
size_t copylen = len > 1023 ? 1023 : len;
memcpy(str_copy, str, copylen);
str_copy[copylen] = 0;
SEGGER_SYSVIEW_Print(str_copy);
return len;
#endif
#ifdef SYSTEMVIEW_DEST_RTT
_write(0, str, len);
return len;
#endif
}
#endif