mirror of
https://github.com/arduino/Arduino.git
synced 2024-12-03 14:24:15 +01:00
129 lines
4.0 KiB
C++
129 lines
4.0 KiB
C++
/*
|
|
Firmata.cpp - Firmata library
|
|
Copyright (c) 2007 Free Software Foundation. All right reserved.
|
|
Written by Hans-Christoph Steiner <hans@at.or.at>
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
//******************************************************************************
|
|
//* Includes
|
|
//******************************************************************************
|
|
|
|
extern "C" {
|
|
// AVR LibC Includes
|
|
#include <inttypes.h>
|
|
#include <stdlib.h>
|
|
|
|
// Wiring Core Includes
|
|
#include "WConstants.h"
|
|
}
|
|
|
|
#include "Firmata.h"
|
|
#include "EEPROM.h"
|
|
#include "HardwareSerial.h"
|
|
|
|
//******************************************************************************
|
|
//* Definitions
|
|
//******************************************************************************
|
|
|
|
//******************************************************************************
|
|
//* Constructors
|
|
//******************************************************************************
|
|
|
|
FirmataClass::FirmataClass()
|
|
{
|
|
// TODO: init serial here
|
|
// TODO: printVersion
|
|
}
|
|
|
|
//******************************************************************************
|
|
//* Private Methods
|
|
//******************************************************************************
|
|
// resets the system state upon a SYSTEM_RESET message from the host software
|
|
void FirmataClass::systemReset(void)
|
|
{
|
|
// TODO automatically call this in response to SYSTEM_RESET
|
|
// TODO reset EEPROM to 0 here
|
|
}
|
|
|
|
//******************************************************************************
|
|
//* Public Methods
|
|
//******************************************************************************
|
|
|
|
// output type of message that is next on the queue
|
|
int FirmataClass::available(void)
|
|
{
|
|
// TODO output next available message type, or -1 if nothing
|
|
}
|
|
|
|
|
|
// output the protocol version message to the serial port
|
|
void FirmataClass::printVersion() {
|
|
Serial.print(REPORT_VERSION, BYTE);
|
|
Serial.print(FIRMATA_MINOR_VERSION, BYTE);
|
|
Serial.print(FIRMATA_MAJOR_VERSION, BYTE);
|
|
}
|
|
|
|
// send an analog message
|
|
void FirmataClass::sendAnalog(int pin, int value)
|
|
{
|
|
// pin can only be 0-15, so chop higher bits
|
|
Serial.print(ANALOG_MESSAGE | (pin & 0xF), BYTE);
|
|
Serial.print(value % 128, BYTE);
|
|
Serial.print(value >> 7, BYTE);
|
|
}
|
|
|
|
// send a single digital pin in a digital message
|
|
void FirmataClass::sendDigital(int pin, int value)
|
|
{
|
|
// TODO add single pin digital messages to the protocol
|
|
}
|
|
|
|
// send 14-bits in a single digital message
|
|
void FirmataClass::sendDigitalPortPair(int port, int value)
|
|
{
|
|
// TODO: the digital message should not be sent on the serial port every
|
|
// time sendDigital() is called. Instead, it should add it to an int
|
|
// which will be sent on a schedule. If a pin changes more than once
|
|
// before the digital message is sent on the serial port, it should send a
|
|
// digital message for each change.
|
|
|
|
// TODO: some math needs to happen for pin > 14 since MIDI channels are used
|
|
Serial.print(DIGITAL_MESSAGE | (port & 0xF),BYTE);
|
|
Serial.print(value % 128, BYTE); // Tx pins 0-6
|
|
Serial.print(value >> 7, BYTE); // Tx pins 7-13
|
|
}
|
|
|
|
// Internal Actions/////////////////////////////////////////////////////////////
|
|
|
|
void FirmataClass::loadState(void)
|
|
{
|
|
// TODO load state from EEPROM
|
|
}
|
|
|
|
void FirmataClass::saveState(void)
|
|
{
|
|
// TODO save state to EEPROM
|
|
}
|
|
|
|
void FirmataClass::resetState(void)
|
|
{
|
|
// TODO reset state bytes in EEPROM
|
|
}
|
|
|
|
// make one instance for the user to use
|
|
FirmataClass Firmata;
|