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Use a macro for HAL header redirection (#10380)

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This commit is contained in:
Chris Pepper
2018-04-13 02:25:08 +01:00
committed by Scott Lahteine
parent 12785583d0
commit cc6d41e1d3
51 changed files with 152 additions and 285 deletions
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99
Marlin/src/HAL/HAL_AVR/HAL.cpp Normal file
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/* **************************************************************************
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"
// --------------------------------------------------------------------------
// 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
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