101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/* **************************************************************************
|
|
|
|
Marlin 3D Printer Firmware
|
|
Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
|
|
|
|
Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
|
|
|
|
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/>.
|
|
|
|
****************************************************************************/
|
|
|
|
/**
|
|
* Description: HAL for AVR
|
|
*
|
|
* For __AVR__
|
|
*/
|
|
|
|
|
|
#ifdef __AVR__
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Includes
|
|
// --------------------------------------------------------------------------
|
|
|
|
#include "../../inc/MarlinConfig.h"
|
|
#include "HAL.h"
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Externals
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Local defines
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Types
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Variables
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Public Variables
|
|
// --------------------------------------------------------------------------
|
|
|
|
//uint8_t MCUSR;
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Private Variables
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Function prototypes
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Private functions
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Public functions
|
|
// --------------------------------------------------------------------------
|
|
|
|
#if ENABLED(SDSUPPORT)
|
|
|
|
#include "../../sd/SdFatUtil.h"
|
|
int freeMemory() { return SdFatUtil::FreeRam(); }
|
|
|
|
#else // !SDSUPPORT
|
|
|
|
extern "C" {
|
|
extern char __bss_end;
|
|
extern char __heap_start;
|
|
extern void* __brkval;
|
|
|
|
int freeMemory() {
|
|
int free_memory;
|
|
if ((int)__brkval == 0)
|
|
free_memory = ((int)&free_memory) - ((int)&__bss_end);
|
|
else
|
|
free_memory = ((int)&free_memory) - ((int)__brkval);
|
|
return free_memory;
|
|
}
|
|
}
|
|
|
|
#endif // !SDSUPPORT
|
|
|
|
#endif // __AVR__
|