arduino/libraries/Firmata/Firmata.h

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/*
Firmata.h - Firmata library v2.5.1 - 2015-12-26
Copyright (c) 2006-2008 Hans-Christoph Steiner. All rights reserved.
Copyright (C) 2009-2015 Jeff Hoefs. All rights reserved.
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.
See file LICENSE.txt for further informations on licensing terms.
*/
#ifndef Firmata_h
#define Firmata_h
#include "Boards.h" /* Hardware Abstraction Layer + Wiring/Arduino */
/* Version numbers for the protocol. The protocol is still changing, so these
* version numbers are important.
* Query using the REPORT_VERSION message.
*/
#define FIRMATA_PROTOCOL_MAJOR_VERSION 2 // for non-compatible changes
#define FIRMATA_PROTOCOL_MINOR_VERSION 5 // for backwards compatible changes
#define FIRMATA_PROTOCOL_BUGFIX_VERSION 1 // for bugfix releases
/* Version numbers for the Firmata library.
* The firmware version will not always equal the protocol version going forward.
* Query using the REPORT_FIRMWARE message.
*/
#define FIRMATA_FIRMWARE_MAJOR_VERSION 2
#define FIRMATA_FIRMWARE_MINOR_VERSION 5
#define FIRMATA_FIRMWARE_BUGFIX_VERSION 1
/* DEPRECATED as of Firmata v2.5.1. As of 2.5.1 there are separate version numbers for
* the protocol version and the firmware version.
*/
#define FIRMATA_MAJOR_VERSION 2 // same as FIRMATA_PROTOCOL_MAJOR_VERSION
#define FIRMATA_MINOR_VERSION 5 // same as FIRMATA_PROTOCOL_MINOR_VERSION
#define FIRMATA_BUGFIX_VERSION 1 // same as FIRMATA_PROTOCOL_BUGFIX_VERSION
#define MAX_DATA_BYTES 64 // max number of data bytes in incoming messages
// Arduino 101 also defines SET_PIN_MODE as a macro in scss_registers.h
#ifdef SET_PIN_MODE
#undef SET_PIN_MODE
#endif
// message command bytes (128-255/0x80-0xFF)
#define DIGITAL_MESSAGE 0x90 // send data for a digital port (collection of 8 pins)
#define ANALOG_MESSAGE 0xE0 // send data for an analog pin (or PWM)
#define REPORT_ANALOG 0xC0 // enable analog input by pin #
#define REPORT_DIGITAL 0xD0 // enable digital input by port pair
//
#define SET_PIN_MODE 0xF4 // set a pin to INPUT/OUTPUT/PWM/etc
#define SET_DIGITAL_PIN_VALUE 0xF5 // set value of an individual digital pin
//
#define REPORT_VERSION 0xF9 // report protocol version
#define SYSTEM_RESET 0xFF // reset from MIDI
//
#define START_SYSEX 0xF0 // start a MIDI Sysex message
#define END_SYSEX 0xF7 // end a MIDI Sysex message
// extended command set using sysex (0-127/0x00-0x7F)
/* 0x00-0x0F reserved for user-defined commands */
#define SERIAL_MESSAGE 0x60 // communicate with serial devices, including other boards
#define ENCODER_DATA 0x61 // reply with encoders current positions
#define SERVO_CONFIG 0x70 // set max angle, minPulse, maxPulse, freq
#define STRING_DATA 0x71 // a string message with 14-bits per char
#define STEPPER_DATA 0x72 // control a stepper motor
#define ONEWIRE_DATA 0x73 // send an OneWire read/write/reset/select/skip/search request
#define SHIFT_DATA 0x75 // a bitstream to/from a shift register
#define I2C_REQUEST 0x76 // send an I2C read/write request
#define I2C_REPLY 0x77 // a reply to an I2C read request
#define I2C_CONFIG 0x78 // config I2C settings such as delay times and power pins
#define EXTENDED_ANALOG 0x6F // analog write (PWM, Servo, etc) to any pin
#define PIN_STATE_QUERY 0x6D // ask for a pin's current mode and value
#define PIN_STATE_RESPONSE 0x6E // reply with pin's current mode and value
#define CAPABILITY_QUERY 0x6B // ask for supported modes and resolution of all pins
#define CAPABILITY_RESPONSE 0x6C // reply with supported modes and resolution
#define ANALOG_MAPPING_QUERY 0x69 // ask for mapping of analog to pin numbers
#define ANALOG_MAPPING_RESPONSE 0x6A // reply with mapping info
#define REPORT_FIRMWARE 0x79 // report name and version of the firmware
#define SAMPLING_INTERVAL 0x7A // set the poll rate of the main loop
#define SCHEDULER_DATA 0x7B // send a createtask/deletetask/addtotask/schedule/querytasks/querytask request to the scheduler
#define SYSEX_NON_REALTIME 0x7E // MIDI Reserved for non-realtime messages
#define SYSEX_REALTIME 0x7F // MIDI Reserved for realtime messages
// these are DEPRECATED to make the naming more consistent
#define FIRMATA_STRING 0x71 // same as STRING_DATA
#define SYSEX_I2C_REQUEST 0x76 // same as I2C_REQUEST
#define SYSEX_I2C_REPLY 0x77 // same as I2C_REPLY
#define SYSEX_SAMPLING_INTERVAL 0x7A // same as SAMPLING_INTERVAL
// pin modes
//#define INPUT 0x00 // defined in Arduino.h
//#define OUTPUT 0x01 // defined in Arduino.h
#define PIN_MODE_ANALOG 0x02 // analog pin in analogInput mode
#define PIN_MODE_PWM 0x03 // digital pin in PWM output mode
#define PIN_MODE_SERVO 0x04 // digital pin in Servo output mode
#define PIN_MODE_SHIFT 0x05 // shiftIn/shiftOut mode
#define PIN_MODE_I2C 0x06 // pin included in I2C setup
#define PIN_MODE_ONEWIRE 0x07 // pin configured for 1-wire
#define PIN_MODE_STEPPER 0x08 // pin configured for stepper motor
#define PIN_MODE_ENCODER 0x09 // pin configured for rotary encoders
#define PIN_MODE_SERIAL 0x0A // pin configured for serial communication
#define PIN_MODE_PULLUP 0x0B // enable internal pull-up resistor for pin
#define PIN_MODE_IGNORE 0x7F // pin configured to be ignored by digitalWrite and capabilityResponse
#define TOTAL_PIN_MODES 13
// DEPRECATED as of Firmata v2.5
#define ANALOG 0x02 // same as PIN_MODE_ANALOG
#define PWM 0x03 // same as PIN_MODE_PWM
#define SERVO 0x04 // same as PIN_MODE_SERVO
#define SHIFT 0x05 // same as PIN_MODE_SHIFT
#define I2C 0x06 // same as PIN_MODE_I2C
#define ONEWIRE 0x07 // same as PIN_MODE_ONEWIRE
#define STEPPER 0x08 // same as PIN_MODE_STEPPER
#define ENCODER 0x09 // same as PIN_MODE_ENCODER
extern "C" {
// callback function types
typedef void (*callbackFunction)(byte, int);
typedef void (*systemResetCallbackFunction)(void);
typedef void (*stringCallbackFunction)(char *);
typedef void (*sysexCallbackFunction)(byte command, byte argc, byte *argv);
}
// TODO make it a subclass of a generic Serial/Stream base class
class FirmataClass
{
public:
FirmataClass();
/* Arduino constructors */
void begin();
void begin(long);
void begin(Stream &s);
/* querying functions */
void printVersion(void);
void blinkVersion(void);
void printFirmwareVersion(void);
//void setFirmwareVersion(byte major, byte minor); // see macro below
void setFirmwareNameAndVersion(const char *name, byte major, byte minor);
/* serial receive handling */
int available(void);
void processInput(void);
/* serial send handling */
void sendAnalog(byte pin, int value);
void sendDigital(byte pin, int value); // TODO implement this
void sendDigitalPort(byte portNumber, int portData);
void sendString(const char *string);
void sendString(byte command, const char *string);
void sendSysex(byte command, byte bytec, byte *bytev);
void write(byte c);
/* attach & detach callback functions to messages */
void attach(byte command, callbackFunction newFunction);
void attach(byte command, systemResetCallbackFunction newFunction);
void attach(byte command, stringCallbackFunction newFunction);
void attach(byte command, sysexCallbackFunction newFunction);
void detach(byte command);
/* utility methods */
void sendValueAsTwo7bitBytes(int value);
void startSysex(void);
void endSysex(void);
private:
Stream *FirmataStream;
/* firmware name and version */
byte firmwareVersionCount;
byte *firmwareVersionVector;
/* input message handling */
byte waitForData; // this flag says the next serial input will be data
byte executeMultiByteCommand; // execute this after getting multi-byte data
byte multiByteChannel; // channel data for multiByteCommands
byte storedInputData[MAX_DATA_BYTES]; // multi-byte data
/* sysex */
boolean parsingSysex;
int sysexBytesRead;
/* callback functions */
callbackFunction currentAnalogCallback;
callbackFunction currentDigitalCallback;
callbackFunction currentReportAnalogCallback;
callbackFunction currentReportDigitalCallback;
callbackFunction currentPinModeCallback;
callbackFunction currentPinValueCallback;
systemResetCallbackFunction currentSystemResetCallback;
stringCallbackFunction currentStringCallback;
sysexCallbackFunction currentSysexCallback;
/* private methods ------------------------------ */
void processSysexMessage(void);
void systemReset(void);
void strobeBlinkPin(byte pin, int count, int onInterval, int offInterval);
};
extern FirmataClass Firmata;
/*==============================================================================
* MACROS
*============================================================================*/
/* shortcut for setFirmwareNameAndVersion() that uses __FILE__ to set the
* firmware name. It needs to be a macro so that __FILE__ is included in the
* firmware source file rather than the library source file.
*/
#define setFirmwareVersion(x, y) setFirmwareNameAndVersion(__FILE__, x, y)
#endif /* Firmata_h */