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Delete files after moving to BS-FB to update this project with CVReader code
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/*
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* main.cpp
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*
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* This file is part of CommandStation-DCC.
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*
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* CommandStation-DCC 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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*
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* CommandStation-DCC 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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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation-DCC. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <Arduino.h>
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#include <DCC-EX-Lib.h>
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#include <ArduinoTimers.h>
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#include "Config.h"
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#include "FreeMemory.h"
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#if defined(ARDUINO_ARCH_AVR)
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int ramLowWatermark = 32767;
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#else
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int ramLowWatermark = 256000;
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#endif
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const uint8_t kIRQmicros = 29;
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const uint8_t kNumLocos = 50;
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Railcom* mainRailcom;
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#if defined CONFIG_ARDUINO_MOTOR_SHIELD
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BoardArduinoMotorShield* mainBoard;
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BoardArduinoMotorShield* progBoard;
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#elif defined CONFIG_POLOLU_MOTOR_SHIELD
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BoardPololuMotorShield* mainBoard;
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BoardPololuMotorShield* progBoard;
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#else
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#error "Cannot compile - no board selected in Config.h"
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#endif
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DCCMain* mainTrack;
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DCCService* progTrack;
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void waveform_IrqHandler() {
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bool mainInterrupt = mainTrack->interrupt1();
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bool progInterrupt = progTrack->interrupt1();
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if(mainInterrupt) mainTrack->interrupt2();
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if(progInterrupt) progTrack->interrupt2();
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}
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#if defined(ARDUINO_ARCH_SAMD)
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void SERCOM4_Handler()
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{
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mainTrack->railcom->getSerial()->IrqHandler();
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}
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#elif defined(ARDUINO_ARCH_SAMC)
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void SERCOM0_Handler()
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{
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mainTrack->railcom->getSerial()->IrqHandler();
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}
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#endif
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void setup() {
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#if defined CONFIG_ARDUINO_MOTOR_SHIELD
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BoardConfigArduinoMotorShield mainConfig;
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BoardArduinoMotorShield::getDefaultConfigA(mainConfig);
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mainConfig.track_power_callback = DCCEXParser::trackPowerCallback;
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// Add modifications to pinouts, currents, etc here using mainConfig.setting = value; syntax
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//
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mainBoard = new BoardArduinoMotorShield(mainConfig);
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BoardConfigArduinoMotorShield progConfig;
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BoardArduinoMotorShield::getDefaultConfigB(progConfig);
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progConfig.track_power_callback = DCCEXParser::trackPowerCallback;
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// Add modifications to pinouts, currents, etc here using progConfig.setting = value; syntax
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//
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progBoard = new BoardArduinoMotorShield(progConfig);
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#elif defined CONFIG_POLOLU_MOTOR_SHIELD
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BoardConfigPololuMotorShield mainConfig;
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BoardPololuMotorShield::getDefaultConfigA(mainConfig);
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mainConfig.track_power_callback = DCCEXParser::trackPowerCallback;
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// Add modifications to pinouts, currents, etc here using mainConfig.setting = value; syntax
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//
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mainBoard = new BoardPololuMotorShield(mainConfig);
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BoardConfigPololuMotorShield progConfig;
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BoardPololuMotorShield::getDefaultConfigB(progConfig);
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progConfig.track_power_callback = DCCEXParser::trackPowerCallback;
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// Add modifications to pinouts, currents, etc here using progConfig.setting = value; syntax
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//
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progBoard = new BoardPololuMotorShield(progConfig);
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#endif
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RailComConfig rcomConfig;
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Railcom::getDefaultConfig(rcomConfig); // Default is off
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mainRailcom = new Railcom(rcomConfig);
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mainBoard->setup();
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mainTrack = new DCCMain(kNumLocos, mainBoard, mainRailcom);
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mainTrack->setup();
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progBoard->setup();
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progTrack = new DCCService(progBoard);
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progTrack->setup(); // Currently doesn't do anything, but may be extended later
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progTrack->board->progMode(ON); // Limits current to 250mA. Current limit can be changed in config above.
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// TimerA is TCC0 on SAMD21, Timer1 on MEGA2560, and Timer1 on MEGA328
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// We will fire an interrupt every 29us to generate the signal on the track
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TimerA.initialize();
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TimerA.setPeriod(kIRQmicros);
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TimerA.attachInterrupt(waveform_IrqHandler);
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TimerA.start();
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// Register the serial interface
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#if defined (ARDUINO_ARCH_SAMD)
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CommManager::registerInterface(new USBInterface(SerialUSB));
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while(!SerialUSB) {}
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Wire.begin(); // Needed for EEPROM to work
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EEStore::init(&SerialUSB);
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#elif defined (ARDUINO_ARCH_SAMC)
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CommManager::registerInterface(new SerialInterface(Serial));
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Wire.begin(); // Needed for EEPROM to work
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EEStore::init(&Serial);
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#elif defined(ARDUINO_ARCH_AVR) || defined(ARDUINO_ARCH_MEGAAVR)
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CommManager::registerInterface(new SerialInterface(Serial));
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EEStore::init(&Serial);
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#endif
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// Set up the string parser to accept commands from the interfaces
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DCCEXParser::init(mainTrack, progTrack);
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CommManager::showInitInfo();
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}
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void loop() {
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CommManager::update();
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mainTrack->loop();
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progTrack->loop();
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#if defined(FREE_MEM_PRINT)
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int freeNow=freeMemory();
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if (freeNow<ramLowWatermark) {
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ramLowWatermark=freeNow;
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CommManager::broadcast(F("\n\rFree RAM=%d\n\r"),ramLowWatermark);
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}
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#endif
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}
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33
Config.h
33
Config.h
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/*
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* Config.h
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*
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* This file is part of CommandStation-DCC.
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*
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* CommandStation-DCC 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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*
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* CommandStation-DCC 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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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation-DCC. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef COMMANDSTATION_DCC_CONFIG_H_
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#define COMMANDSTATION_DCC_CONFIG_H_
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// Choose the motor shield that you want to use.
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//#define CONFIG_WSM_FIREBOX_MK1
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//#define CONFIG_WSM_FIREBOX_MK1S
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#define CONFIG_ARDUINO_MOTOR_SHIELD
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//#define CONFIG_POLOLU_MOTOR_SHIELD
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// Comment out this line to disable printing free memory every time it shrinks
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#define FREE_MEM_PRINT
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#endif // COMMANDSTATION_DCC_CONFIG_H_
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20
FreeMemory.h
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FreeMemory.h
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#ifndef COMMANDSTATION_DCC_FREEMEMORY_H_
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#define COMMANDSTATION_DCC_FREEMEMORY_H_
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// thanks go to https://github.com/mpflaga/Arduino-MemoryFree
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#ifdef __arm__
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// should use uinstd.h to define sbrk but Due causes a conflict
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extern "C" char* sbrk(int incr);
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#else
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extern char *__brkval;
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#endif // __arm__
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int freeMemory() {
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char top;
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#ifdef __arm__
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return &top - reinterpret_cast<char*>(sbrk(0));
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#else
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return __brkval ? &top - __brkval : &top - __malloc_heap_start;
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#endif // __arm__
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}
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#endif // COMMANDSTATION_DCC_FREEMEMORY_H_
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