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94 lines
3.2 KiB
94 lines
3.2 KiB
/* **************************************************************************
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Marlin 3D Printer Firmware
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Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#ifdef __AVR__
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// --------------------------------------------------------------------------
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// Includes
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// --------------------------------------------------------------------------
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#include "../../inc/MarlinConfig.h"
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#include "HAL.h"
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// --------------------------------------------------------------------------
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// Externals
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Local defines
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Types
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Variables
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Public Variables
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// --------------------------------------------------------------------------
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//uint8_t MCUSR;
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// --------------------------------------------------------------------------
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// Private Variables
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Function prototypes
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Private functions
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Public functions
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// --------------------------------------------------------------------------
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#if ENABLED(SDSUPPORT)
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#include "../../sd/SdFatUtil.h"
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int freeMemory() { return SdFatUtil::FreeRam(); }
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#else // !SDSUPPORT
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extern "C" {
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extern char __bss_end;
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extern char __heap_start;
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extern void* __brkval;
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int freeMemory() {
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int free_memory;
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if ((int)__brkval == 0)
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free_memory = ((int)&free_memory) - ((int)&__bss_end);
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else
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free_memory = ((int)&free_memory) - ((int)__brkval);
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return free_memory;
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}
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}
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#endif // !SDSUPPORT
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#endif // __AVR__
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