157 lines
4.0 KiB
C
157 lines
4.0 KiB
C
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/*
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Written by Yotam Mann, The Center for New Music and Audio Technologies,
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University of California, Berkeley. Copyright (c) 2013, The Regents of
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the University of California (Regents).
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Permission to use, copy, modify, distribute, and distribute modified versions
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of this software and its documentation without fee and without a signed
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licensing agreement, is hereby granted, provided that the above copyright
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notice, this paragraph and the following two paragraphs appear in all copies,
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modifications, and distributions.
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IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
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SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING
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OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF REGENTS HAS
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BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE. THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED
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HEREUNDER IS PROVIDED "AS IS". REGENTS HAS NO OBLIGATION TO PROVIDE
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MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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For bug reports and feature requests please email me at yotam@cnmat.berkeley.edu
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*/
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#ifndef OSCDATA_h
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#define OSCDATA_h
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#include "Arduino.h"
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#include <stdlib.h>
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#include <stdint.h>
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#include <inttypes.h>
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#include <string.h>
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#include "OSCTiming.h"
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#if (defined(TEENSYDUINO) && defined(USB_SERIAL)) || (!defined(TEENSYDUINO) && defined(__AVR_ATmega32U4__)) || defined(__SAM3X8E__) || (defined(_USB) && defined(_USE_USB_FOR_SERIAL_)) || defined(BOARD_maple_mini)
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#define BOARD_HAS_USB_SERIAL
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#if defined(__SAM3X8E__)
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#define thisBoardsSerialUSB SerialUSB
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#else
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#define thisBoardsSerialUSB Serial
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#endif
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#endif
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#if defined(ESP8266) || defined(ESP32)
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#define ESPxx
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#endif
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//ERRORS/////////////////////////////////////////////////
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typedef enum { OSC_OK = 0,
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BUFFER_FULL, INVALID_OSC, ALLOCFAILED, INDEX_OUT_OF_BOUNDS
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} OSCErrorCode;
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class OSCData
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{
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private:
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//friends
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friend class OSCMessage;
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//should only be used while decoding
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//leaves an invalid OSCMessage with a type, but no data
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OSCData(char t);
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public:
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//an error flag
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OSCErrorCode error;
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//the size (in bytes) of the data
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int bytes;
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//the type of the data
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int type;
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//the data
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union {
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char * s; //string
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int32_t i; //int
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float f; //float
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double d; //double
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uint64_t l; //long
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uint8_t * b; //blob
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osctime_t time;
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} data;
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//overload the constructor to account for all the types and sizes
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OSCData(const char * s);
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#if defined(__SAM3X8E__)
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OSCData (int16_t);
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#endif
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OSCData (int32_t);
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#ifndef ESPxx
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OSCData (int);
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#endif
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OSCData (unsigned int);
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OSCData (float);
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OSCData (double);
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OSCData (uint8_t *, int);
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//accepts another OSCData objects and clones it
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OSCData (OSCData *);
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OSCData (boolean);
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OSCData (osctime_t);
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//destructor
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~OSCData();
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//GETTERS
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int32_t getInt();
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float getFloat();
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double getDouble();
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int getString(char *);
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int getString(char *, int);
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int getString(char *, int, int, int);
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int getBlob(uint8_t *);
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int getBlob(uint8_t *, int);
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int getBlob(uint8_t *, int, int, int);
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const uint8_t* getBlob();
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int getBlobLength();
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bool getBoolean();
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osctime_t getTime();
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//constructor from byte array with type and length
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OSCData(char, uint8_t *, int);
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//fill the passed in buffer with the data
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//uint8_t * asByteArray();
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};
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/*
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based on http://stackoverflow.com/questions/809902/64-bit-ntohl-in-c
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if the system is little endian, it will flip the bits
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if the system is big endian, it'll do nothing
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*/
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template<typename T>
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static inline T BigEndian(const T& x)
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{
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const int one = 1;
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const char sig = *(char*)&one;
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if (sig == 0) return x; // for big endian machine just return the input
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T ret;
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int size = sizeof(T);
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char* src = (char*)&x + sizeof(T) - 1;
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char* dst = (char*)&ret;
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while (size-- > 0){
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*dst++ = *src--;
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}
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return ret;
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}
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#endif
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