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MarlinFirmware/Marlin/src/core/bug_on.h

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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Copyright (c) 2021 X-Ryl669 [https://blog.cyril.by]
*
* 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 <https://www.gnu.org/licenses/>.
*
*/
#pragma once
// We need SERIAL_ECHOPAIR and macros.h
#include "serial.h"
#if ENABLED(POSTMORTEM_DEBUGGING)
// Useful macro for stopping the CPU on an unexpected condition
// This is used like SERIAL_ECHOPAIR, that is: a key-value call of the local variables you want
// to dump to the serial port before stopping the CPU.
#define BUG_ON(V...) do { SERIAL_ECHOPAIR(ONLY_FILENAME, __LINE__, ": "); SERIAL_ECHOLNPAIR(V); SERIAL_FLUSHTX(); *(char*)0 = 42; } while(0)
#elif ENABLED(MARLIN_DEV_MODE)
// Don't stop the CPU here, but at least dump the bug on the serial port
#define BUG_ON(V...) do { SERIAL_ECHOPAIR(ONLY_FILENAME, __LINE__, ": BUG!\n"); SERIAL_ECHOLNPAIR(V); SERIAL_FLUSHTX(); } while(0)
#else
// Release mode, let's ignore the bug
#define BUG_ON(V...) NOOP
#endif