2 Firmata.h - Firmata library v2.5.7 - 2017-08-19
3 Copyright (c) 2006-2008 Hans-Christoph Steiner. All rights reserved.
4 Copyright (C) 2009-2017 Jeff Hoefs. All rights reserved.
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 See file LICENSE.txt for further informations on licensing terms.
17 #include "Boards.h" /* Hardware Abstraction Layer + Wiring/Arduino */
18 #include "FirmataDefines.h"
19 #include "FirmataMarshaller.h"
20 #include "FirmataParser.h"
22 /* DEPRECATED as of Firmata v2.5.1. As of 2.5.1 there are separate version numbers for
23 * the protocol version and the firmware version.
25 #define FIRMATA_MAJOR_VERSION 2 // same as FIRMATA_PROTOCOL_MAJOR_VERSION
26 #define FIRMATA_MINOR_VERSION 5 // same as FIRMATA_PROTOCOL_MINOR_VERSION
27 #define FIRMATA_BUGFIX_VERSION 1 // same as FIRMATA_PROTOCOL_BUGFIX_VERSION
29 // extended command set using sysex (0-127/0x00-0x7F)
30 /* 0x00-0x0F reserved for user-defined commands */
31 // these are DEPRECATED to make the naming more consistent
32 #define FIRMATA_STRING 0x71 // same as STRING_DATA
33 #define SYSEX_I2C_REQUEST 0x76 // same as I2C_REQUEST
34 #define SYSEX_I2C_REPLY 0x77 // same as I2C_REPLY
35 #define SYSEX_SAMPLING_INTERVAL 0x7A // same as SAMPLING_INTERVAL
38 //#define INPUT 0x00 // defined in Arduino.h
39 //#define OUTPUT 0x01 // defined in Arduino.h
40 // DEPRECATED as of Firmata v2.5
41 #define ANALOG 0x02 // same as PIN_MODE_ANALOG
42 #define PWM 0x03 // same as PIN_MODE_PWM
43 #define SERVO 0x04 // same as PIN_MODE_SERVO
44 #define SHIFT 0x05 // same as PIN_MODE_SHIFT
45 #define I2C 0x06 // same as PIN_MODE_I2C
46 #define ONEWIRE 0x07 // same as PIN_MODE_ONEWIRE
47 #define STEPPER 0x08 // same as PIN_MODE_STEPPER
48 #define ENCODER 0x09 // same as PIN_MODE_ENCODER
49 #define IGNORE 0x7F // same as PIN_MODE_IGNORE
53 // TODO make it a subclass of a generic Serial/Stream base class
57 typedef void (*callbackFunction)(uint8_t, int);
58 typedef void (*systemCallbackFunction)(void);
59 typedef void (*stringCallbackFunction)(char *);
60 typedef void (*sysexCallbackFunction)(uint8_t command, uint8_t argc, uint8_t *argv);
64 /* Arduino constructors */
67 void begin(Stream &s);
69 /* querying functions */
70 void printVersion(void);
71 void blinkVersion(void);
72 void printFirmwareVersion(void);
74 //void setFirmwareVersion(byte major, byte minor); // see macro below
75 void setFirmwareNameAndVersion(const char *name, byte major, byte minor);
76 void disableBlinkVersion();
78 /* serial receive handling */
80 void processInput(void);
81 void parse(unsigned char value);
82 boolean isParsingMessage(void);
84 /* serial send handling */
85 void sendAnalog(byte pin, int value);
86 void sendDigital(byte pin, int value); // TODO implement this
87 void sendDigitalPort(byte portNumber, int portData);
88 void sendString(const char *string);
89 void sendString(byte command, const char *string);
90 void sendSysex(byte command, byte bytec, byte *bytev);
93 /* attach & detach callback functions to messages */
94 void attach(uint8_t command, callbackFunction newFunction);
95 void attach(uint8_t command, systemCallbackFunction newFunction);
96 void attach(uint8_t command, stringCallbackFunction newFunction);
97 void attach(uint8_t command, sysexCallbackFunction newFunction);
98 void detach(uint8_t command);
100 /* access pin state and config */
101 byte getPinMode(byte pin);
102 void setPinMode(byte pin, byte config);
104 /* access pin state */
105 int getPinState(byte pin);
106 void setPinState(byte pin, int state);
108 /* utility methods */
109 void sendValueAsTwo7bitBytes(int value);
110 void startSysex(void);
114 uint8_t parserBuffer[MAX_DATA_BYTES];
115 FirmataMarshaller marshaller;
116 FirmataParser parser;
117 Stream *FirmataStream;
119 /* firmware name and version */
120 byte firmwareVersionCount;
121 byte *firmwareVersionVector;
123 /* pin configuration */
124 byte pinConfig[TOTAL_PINS];
125 int pinState[TOTAL_PINS];
127 boolean blinkVersionDisabled;
129 /* private methods ------------------------------ */
130 void strobeBlinkPin(byte pin, int count, int onInterval, int offInterval);
131 friend void FirmataMarshaller::encodeByteStream (size_t bytec, uint8_t * bytev, size_t max_bytes = 0) const;
133 /* callback functions */
134 static callbackFunction currentAnalogCallback;
135 static callbackFunction currentDigitalCallback;
136 static callbackFunction currentPinModeCallback;
137 static callbackFunction currentPinValueCallback;
138 static callbackFunction currentReportAnalogCallback;
139 static callbackFunction currentReportDigitalCallback;
140 static stringCallbackFunction currentStringCallback;
141 static sysexCallbackFunction currentSysexCallback;
142 static systemCallbackFunction currentSystemResetCallback;
144 /* static callbacks */
145 inline static void staticAnalogCallback (void *, uint8_t command, uint16_t value) { if ( currentAnalogCallback ) { currentAnalogCallback(command,(int)value); } }
146 inline static void staticDigitalCallback (void *, uint8_t command, uint16_t value) { if ( currentDigitalCallback ) { currentDigitalCallback(command, (int)value); } }
147 inline static void staticPinModeCallback (void *, uint8_t command, uint16_t value) { if ( currentPinModeCallback ) { currentPinModeCallback(command, (int)value); } }
148 inline static void staticPinValueCallback (void *, uint8_t command, uint16_t value) { if ( currentPinValueCallback ) { currentPinValueCallback(command, (int)value); } }
149 inline static void staticReportAnalogCallback (void *, uint8_t command, uint16_t value) { if ( currentReportAnalogCallback ) { currentReportAnalogCallback(command, (int)value); } }
150 inline static void staticReportDigitalCallback (void *, uint8_t command, uint16_t value) { if ( currentReportDigitalCallback ) { currentReportDigitalCallback(command, (int)value); } }
151 inline static void staticStringCallback (void *, const char * c_str) { if ( currentStringCallback ) { currentStringCallback((char *)c_str); } }
152 inline static void staticSysexCallback (void *, uint8_t command, size_t argc, uint8_t *argv) { if ( currentSysexCallback ) { currentSysexCallback(command, (uint8_t)argc, argv); } }
153 inline static void staticReportFirmwareCallback (void * context, size_t, size_t, const char *) { if ( context ) { ((FirmataClass *)context)->printFirmwareVersion(); } }
154 inline static void staticReportVersionCallback (void * context) { if ( context ) { ((FirmataClass *)context)->printVersion(); } }
155 inline static void staticSystemResetCallback (void *) { if ( currentSystemResetCallback ) { currentSystemResetCallback(); } }
158 } // namespace firmata
161 // callback function types
162 typedef firmata::FirmataClass::callbackFunction callbackFunction;
163 typedef firmata::FirmataClass::systemCallbackFunction systemCallbackFunction;
164 typedef firmata::FirmataClass::stringCallbackFunction stringCallbackFunction;
165 typedef firmata::FirmataClass::sysexCallbackFunction sysexCallbackFunction;
168 extern firmata::FirmataClass Firmata;
170 /*==============================================================================
172 *============================================================================*/
174 /* shortcut for setFirmwareNameAndVersion() that uses __FILE__ to set the
175 * firmware name. It needs to be a macro so that __FILE__ is included in the
176 * firmware source file rather than the library source file.
178 #define setFirmwareVersion(x, y) setFirmwareNameAndVersion(__FILE__, x, y)
180 #endif /* Firmata_h */