Synth.cpp

00001 /**************************************************************************/
00002 /*!
00003     @file     Synth.cpp
00004     @author   Jonne Valola
00005 
00006     @section LICENSE
00007 
00008     Software License Agreement (BSD License)
00009 
00010     Copyright (c) 2016, Jonne Valola
00011     All rights reserved.
00012 
00013     Redistribution and use in source and binary forms, with or without
00014     modification, are permitted provided that the following conditions are met:
00015     1. Redistributions of source code must retain the above copyright
00016     notice, this list of conditions and the following disclaimer.
00017     2. Redistributions in binary form must reproduce the above copyright
00018     notice, this list of conditions and the following disclaimer in the
00019     documentation and/or other materials provided with the distribution.
00020     3. Neither the name of the copyright holders nor the
00021     names of its contributors may be used to endorse or promote products
00022     derived from this software without specific prior written permission.
00023 
00024     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
00025     EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00026     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00027     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
00028     DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00029     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00030     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00031     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00032     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00033     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00034 */
00035 /**************************************************************************/
00036 
00037 #include "Pokitto.h "
00038 #include "Synth.h "
00039 #include "stdint.h"
00040 #include "My_settings.h"
00041 
00042 /** COMMON TO BOTH HW AND SIMULATED SOUND **/
00043 
00044 bool playing=false; //external to share between player and synth
00045 bool track1on = true, track2on = true, track3on = true, tableRefresh = false;
00046 
00047 uint8_t sequencepos=0, tempo = 120;
00048 long writeindex=0, readindex=0;
00049 uint16_t playerpos=0;
00050 uint16_t samplespertick = (float)((60.0f/(float)tempo)*POK_AUD_FREQ)/16;
00051 uint16_t notetick=0; // samplespertick is a calculated value based on song speed. notetick is a counter
00052 long samplesperpattern=0;
00053 
00054 uint8_t tick=3; // loops between 3 channels. Tick 3 is used to calculate volume envelopes
00055 
00056 
00057 SONG song;
00058 OSC osc1,osc2,osc3;
00059 OSC patch[MAXPATCHES];
00060 BLOCK block[MAXBLOCKS];
00061 
00062 
00063 
00064 
00065 
00066 
00067 
00068