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Revised Versioning mechanism

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This commit is contained in:
Richard Wackerbarth 2015-05-14 16:56:04 -05:00
parent ffc39dc182
commit 5ea139fd79
17 changed files with 198 additions and 72 deletions
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12
Marlin/Configuration.h
View File

@ -37,14 +37,18 @@ Here are some standard links for getting your machine calibrated:
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine

12
Marlin/Default_Version.h Normal file
View File

@ -0,0 +1,12 @@
/*
* This file is a placeholder for a file which could be distributed in an archive
* It takes the place of an automatically created "_Version.h" which is generated during the build process
*/
#error "You must specify the following parameter related to your distribution"
#if false
#define BUILD_VERSION "1.1.0 dev"
#define STRING_DISTRIBUTION_DATE "2015-06-00 12:00"
// It might also be appropriate to define a location where additional information can be found
#define FIRMWARE_URL "http:// ..."
#endif

8
Marlin/Marlin_main.cpp
View File

@ -614,19 +614,19 @@ void setup() {
MCUSR = 0;
SERIAL_ECHOPGM(MSG_MARLIN);
SERIAL_ECHOLNPGM(" " STRING_VERSION);
SERIAL_ECHOLNPGM(" " BUILD_VERSION);
#ifdef STRING_VERSION_CONFIG_H
#ifdef STRING_DISTRIBUTION_DATE
#ifdef STRING_CONFIG_H_AUTHOR
SERIAL_ECHO_START;
SERIAL_ECHOPGM(MSG_CONFIGURATION_VER);
SERIAL_ECHOPGM(STRING_VERSION_CONFIG_H);
SERIAL_ECHOPGM(STRING_DISTRIBUTION_DATE);
SERIAL_ECHOPGM(MSG_AUTHOR);
SERIAL_ECHOLNPGM(STRING_CONFIG_H_AUTHOR);
SERIAL_ECHOPGM("Compiled: ");
SERIAL_ECHOLNPGM(__DATE__);
#endif // STRING_CONFIG_H_AUTHOR
#endif // STRING_VERSION_CONFIG_H
#endif // STRING_DISTRIBUTION_DATE
SERIAL_ECHO_START;
SERIAL_ECHOPGM(MSG_FREE_MEMORY);

12
Marlin/configurator/config/Configuration.h
View File

@ -37,14 +37,18 @@ Here are some standard links for getting your machine calibrated:
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine

19
Marlin/example_configurations/Felix/Configuration.h
View File

@ -31,22 +31,31 @@ Here are some standard links for getting your machine calibrated:
//===========================================================================
//============================= SCARA Printer ===============================
//===========================================================================
// For a Delta printer replace the configuration files with the files in the
// For a Scara printer replace the configuration files with the files in the
// example_configurations/SCARA directory.
//
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine
// SERIAL_PORT selects which serial port should be used for communication with the host.
// This allows the connection of wireless adapters (for instance) to non-default port pins.
// Serial port 0 is still used by the Arduino bootloader regardless of this setting.
// :[0,1,2,3,4,5,6,7]
#define SERIAL_PORT 0
// This determines the communication speed of the printer

19
Marlin/example_configurations/Felix/Configuration_DUAL.h
View File

@ -31,22 +31,31 @@ Here are some standard links for getting your machine calibrated:
//===========================================================================
//============================= SCARA Printer ===============================
//===========================================================================
// For a Delta printer replace the configuration files with the files in the
// For a Scara printer replace the configuration files with the files in the
// example_configurations/SCARA directory.
//
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine
// SERIAL_PORT selects which serial port should be used for communication with the host.
// This allows the connection of wireless adapters (for instance) to non-default port pins.
// Serial port 0 is still used by the Arduino bootloader regardless of this setting.
// :[0,1,2,3,4,5,6,7]
#define SERIAL_PORT 0
// This determines the communication speed of the printer

21
Marlin/example_configurations/Hephestos/Configuration.h
View File

@ -31,22 +31,31 @@ Here are some standard links for getting your machine calibrated:
//===========================================================================
//============================= SCARA Printer ===============================
//===========================================================================
// For a Delta printer replace the configuration files with the files in the
// For a Scara printer replace the configuration files with the files in the
// example_configurations/SCARA directory.
//
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(bq Hephestos)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine
// SERIAL_PORT selects which serial port should be used for communication with the host.
// This allows the connection of wireless adapters (for instance) to non-default port pins.
// Serial port 0 is still used by the Arduino bootloader regardless of this setting.
// :[0,1,2,3,4,5,6,7]
#define SERIAL_PORT 0
// This determines the communication speed of the printer

12
Marlin/example_configurations/K8200/Configuration.h
View File

@ -42,14 +42,18 @@ Here are some standard links for getting your machine calibrated:
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(K8200, CONSULitAS)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine

12
Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
View File

@ -37,14 +37,18 @@ Here are some standard links for getting your machine calibrated:
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "RepRapWorld.com" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine

24
Marlin/example_configurations/SCARA/Configuration.h
View File

@ -21,6 +21,13 @@ Here are some standard links for getting your machine calibrated:
// Advanced settings can be found in Configuration_adv.h
// BASIC SETTINGS: select your board type, temperature sensor type, axis scaling, and endstop configuration
//===========================================================================
//============================= DELTA Printer ===============================
//===========================================================================
// For a Delta printer replace the configuration files with the files in the
// example_configurations/delta directory.
//
//===========================================================================
//========================= SCARA Settings ==================================
//===========================================================================
@ -53,18 +60,27 @@ Here are some standard links for getting your machine calibrated:
//========================= SCARA Settings end ==============================
//===========================================================================
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine
// SERIAL_PORT selects which serial port should be used for communication with the host.
// This allows the connection of wireless adapters (for instance) to non-default port pins.
// Serial port 0 is still used by the Arduino bootloader regardless of this setting.
// :[0,1,2,3,4,5,6,7]
#define SERIAL_PORT 0
// This determines the communication speed of the printer

19
Marlin/example_configurations/WITBOX/Configuration.h
View File

@ -31,22 +31,31 @@ Here are some standard links for getting your machine calibrated:
//===========================================================================
//============================= SCARA Printer ===============================
//===========================================================================
// For a Delta printer replace the configuration files with the files in the
// For a Scara printer replace the configuration files with the files in the
// example_configurations/SCARA directory.
//
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(bq Witbox)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine
// SERIAL_PORT selects which serial port should be used for communication with the host.
// This allows the connection of wireless adapters (for instance) to non-default port pins.
// Serial port 0 is still used by the Arduino bootloader regardless of this setting.
// :[0,1,2,3,4,5,6,7]
#define SERIAL_PORT 0
// This determines the communication speed of the printer

19
Marlin/example_configurations/delta/biv2.5/Configuration.h
View File

@ -31,22 +31,31 @@ Here are some standard links for getting your machine calibrated:
//===========================================================================
//============================= SCARA Printer ===============================
//===========================================================================
// For a Delta printer replace the configuration files with the files in the
// For a Scara printer replace the configuration files with the files in the
// example_configurations/SCARA directory.
//
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine
// SERIAL_PORT selects which serial port should be used for communication with the host.
// This allows the connection of wireless adapters (for instance) to non-default port pins.
// Serial port 0 is still used by the Arduino bootloader regardless of this setting.
// :[0,1,2,3,4,5,6,7]
#define SERIAL_PORT 0
// This determines the communication speed of the printer

19
Marlin/example_configurations/delta/generic/Configuration.h
View File

@ -31,22 +31,31 @@ Here are some standard links for getting your machine calibrated:
//===========================================================================
//============================= SCARA Printer ===============================
//===========================================================================
// For a Delta printer replace the configuration files with the files in the
// For a Scara printer replace the configuration files with the files in the
// example_configurations/SCARA directory.
//
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine
// SERIAL_PORT selects which serial port should be used for communication with the host.
// This allows the connection of wireless adapters (for instance) to non-default port pins.
// Serial port 0 is still used by the Arduino bootloader regardless of this setting.
// :[0,1,2,3,4,5,6,7]
#define SERIAL_PORT 0
// This determines the communication speed of the printer

19
Marlin/example_configurations/delta/kossel_mini/Configuration.h
View File

@ -31,22 +31,31 @@ Here are some standard links for getting your machine calibrated:
//===========================================================================
//============================= SCARA Printer ===============================
//===========================================================================
// For a Delta printer replace the configuration files with the files in the
// For a Scara printer replace the configuration files with the files in the
// example_configurations/SCARA directory.
//
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine
// SERIAL_PORT selects which serial port should be used for communication with the host.
// This allows the connection of wireless adapters (for instance) to non-default port pins.
// Serial port 0 is still used by the Arduino bootloader regardless of this setting.
// :[0,1,2,3,4,5,6,7]
#define SERIAL_PORT 0
// This determines the communication speed of the printer

5
Marlin/example_configurations/delta/kossel_pro/Configuration.h
View File

@ -38,14 +38,15 @@ Here are some standard links for getting your machine calibrated:
// For a Scara printer replace the configuration files with the files in the
// example_configurations/SCARA directory.
//
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// @section info
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.

19
Marlin/example_configurations/makibox/Configuration.h
View File

@ -31,22 +31,31 @@ Here are some standard links for getting your machine calibrated:
//===========================================================================
//============================= SCARA Printer ===============================
//===========================================================================
// For a Delta printer replace the configuration files with the files in the
// For a Scara printer replace the configuration files with the files in the
// example_configurations/SCARA directory.
//
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine
// SERIAL_PORT selects which serial port should be used for communication with the host.
// This allows the connection of wireless adapters (for instance) to non-default port pins.
// Serial port 0 is still used by the Arduino bootloader regardless of this setting.
// :[0,1,2,3,4,5,6,7]
#define SERIAL_PORT 0
// This determines the communication speed of the printer

19
Marlin/example_configurations/tvrrug/Round2/Configuration.h
View File

@ -31,22 +31,31 @@ Here are some standard links for getting your machine calibrated:
//===========================================================================
//============================= SCARA Printer ===============================
//===========================================================================
// For a Delta printer replace the configuration files with the files in the
// For a Scara printer replace the configuration files with the files in the
// example_configurations/SCARA directory.
//
// @section info
#ifdef HAS_AUTOMATIC_VERSIONING
#include "_Version.h"
#else
#include "Default_Version.h"
#endif
// User-specified version info of this build to display in [Pronterface, etc] terminal window during
// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
// build by the user have been successfully uploaded into firmware.
#define STRING_VERSION "1.0.3 dev"
#define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
#define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
//#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
// @section machine
// SERIAL_PORT selects which serial port should be used for communication with the host.
// This allows the connection of wireless adapters (for instance) to non-default port pins.
// Serial port 0 is still used by the Arduino bootloader regardless of this setting.
// :[0,1,2,3,4,5,6,7]
#define SERIAL_PORT 0
// This determines the communication speed of the printer