mirror of https://github.com/noisymime/Arduino.git
First working sketch of the Firmata protocol as a library. Just the
printVersion and input messages.
This commit is contained in:
Hans-Christoph Steiner
parent
67ce547deb
commit
440033c814
|
|
@ -0,0 +1,128 @@
|
|||
/*
|
||||
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;
|
||||
|
|
@ -0,0 +1,95 @@
|
|||
/*
|
||||
Firmata.h - 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
|
||||
*/
|
||||
|
||||
#ifndef Firmata_h
|
||||
#define Firmata_h
|
||||
|
||||
#include <inttypes.h>
|
||||
|
||||
class FirmataClass
|
||||
{
|
||||
private:
|
||||
void systemReset(void);
|
||||
public:
|
||||
FirmataClass();
|
||||
int available(void);
|
||||
// serial receive actions
|
||||
// send serial messages
|
||||
void printVersion(void);
|
||||
void sendAnalog(int, int);
|
||||
void sendDigital(int, int);
|
||||
void sendDigitalPortPair(int, int);
|
||||
// internal actions
|
||||
void loadState(void);
|
||||
void saveState(void);
|
||||
void resetState(void);
|
||||
};
|
||||
|
||||
extern FirmataClass Firmata;
|
||||
|
||||
/*==============================================================================
|
||||
* MACROS
|
||||
*============================================================================*/
|
||||
|
||||
/* Version numbers for the protocol. The protocol is still changing, so these
|
||||
* version numbers are important. This number can be queried so that host
|
||||
* software can test whether it will be compatible with the currently
|
||||
* installed firmware. */
|
||||
#define FIRMATA_MAJOR_VERSION 1 // for non-compatible changes
|
||||
#define FIRMATA_MINOR_VERSION 0 // for backwards compatible changes
|
||||
|
||||
// total number of pins currently supported
|
||||
#define TOTAL_ANALOG_PINS 6
|
||||
#define TOTAL_DIGITAL_PINS 14
|
||||
|
||||
// for comparing along with INPUT and OUTPUT
|
||||
#define PWM 2
|
||||
|
||||
// for selecting digital inputs
|
||||
#define PB 2 // digital input, pins 8-13
|
||||
#define PC 3 // analog input port
|
||||
#define PD 4 // digital input, pins 0-7
|
||||
|
||||
#define MAX_DATA_BYTES 2 // max number of data bytes in non-SysEx messages
|
||||
// message command bytes
|
||||
#define DIGITAL_MESSAGE 0x90 // send data for a digital pin
|
||||
#define ANALOG_MESSAGE 0xE0 // send data for an analog pin (or PWM)
|
||||
//#define PULSE_MESSAGE 0xA0 // proposed pulseIn/Out message (SysEx)
|
||||
//#define SHIFTOUT_MESSAGE 0xB0 // proposed shiftOut message (SysEx)
|
||||
#define REPORT_ANALOG_PIN 0xC0 // enable analog input by pin #
|
||||
#define REPORT_DIGITAL_PORTS 0xD0 // enable digital input by port pair
|
||||
#define START_SYSEX 0xF0 // start a MIDI SysEx message
|
||||
#define SET_DIGITAL_PIN_MODE 0xF4 // set a digital pin to INPUT or OUTPUT
|
||||
#define END_SYSEX 0xF7 // end a MIDI SysEx message
|
||||
#define REPORT_VERSION 0xF9 // report firmware version
|
||||
#define SYSTEM_RESET 0xFF // reset from MIDI
|
||||
|
||||
// these are used for EEPROM reading and writing
|
||||
#define ANALOGINPUTSTOREPORT_LOW_BYTE 0x1F0 // analogInputsToReport is an int
|
||||
#define ANALOGINPUTSTOREPORT_HIGH_BYTE 0x1F1 // analogInputsToReport is an int
|
||||
#define REPORTDIGITALINPUTS_BYTE 0x1F2 //
|
||||
#define DIGITALPINSTATUS_LOW_BYTE 0x1F3 // digitalPinStatus is an int
|
||||
#define DIGITALPINSTATUS_HIGH_BYTE 0x1F4 // digitalPinStatus is an int
|
||||
#define PWMSTATUS_LOW_BYTE 0x1F5 // pwmStatus is an int
|
||||
#define PWMSTATUS_HIGH_BYTE 0x1F6 // pwmStatus is an int
|
||||
|
||||
|
||||
#endif /* Firmata_h */
|
||||
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
#######################################
|
||||
# Syntax Coloring Map For Firmata
|
||||
#######################################
|
||||
|
||||
#######################################
|
||||
# Datatypes (KEYWORD1)
|
||||
#######################################
|
||||
|
||||
Firmata KEYWORD1
|
||||
|
||||
#######################################
|
||||
# Methods and Functions (KEYWORD2)
|
||||
#######################################
|
||||
|
||||
#######################################
|
||||
# Constants (LITERAL1)
|
||||
#######################################
|
||||
|
||||
Loading…
Reference in New Issue