andrewm@11: /*
andrewm@11:   TouchKeys: multi-touch musical keyboard control software
andrewm@11:   Copyright (c) 2013 Andrew McPherson
andrewm@11: 
andrewm@11:   This program is free software: you can redistribute it and/or modify
andrewm@11:   it under the terms of the GNU General Public License as published by
andrewm@11:   the Free Software Foundation, either version 3 of the License, or
andrewm@11:   (at your option) any later version.
andrewm@11:  
andrewm@11:   This program is distributed in the hope that it will be useful,
andrewm@11:   but WITHOUT ANY WARRANTY; without even the implied warranty of
andrewm@11:   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
andrewm@11:   GNU General Public License for more details.
andrewm@11: 
andrewm@11:   You should have received a copy of the GNU General Public License
andrewm@11:   along with this program.  If not, see <http://www.gnu.org/licenses/>.
andrewm@11:  
andrewm@11:   =====================================================================
andrewm@11:  
andrewm@11:   TouchkeyEntropyGenerator.h: generate random TouchKeys data for testing
andrewm@11: */
andrewm@11: 
andrewm@11: #ifndef TOUCHKEYENTROPYGENERATOR_H_INCLUDED
andrewm@11: #define TOUCHKEYENTROPYGENERATOR_H_INCLUDED
andrewm@11: 
andrewm@11: #include "../../JuceLibraryCode/JuceHeader.h"
andrewm@11: #include "PianoKeyboard.h"
andrewm@11: 
andrewm@11: class TouchkeyEntropyGenerator : public Thread {
andrewm@11: public:
andrewm@11:     // *** Constructor ***
andrewm@11:     TouchkeyEntropyGenerator(PianoKeyboard& keyboard);
andrewm@11:     
andrewm@11:     // *** Destructor ***
andrewm@11:     ~TouchkeyEntropyGenerator() {
andrewm@11:         stop();
andrewm@11:     }
andrewm@11:     
andrewm@11:     // *** Control methods ***
andrewm@11:     // Start running the generator
andrewm@11:     void start();
andrewm@11:     
andrewm@11:     // Stop running the generator
andrewm@11:     void stop();
andrewm@11:     
andrewm@11:     // Check if the generator is running
andrewm@11:     bool isRunning() { return isRunning_; }
andrewm@11:     
andrewm@11:     // *** Data generation ***
andrewm@11:     
andrewm@11:     // Set the range of keys for which touch data will be generated
andrewm@11:     void setKeyboardRange(int lowest, int highest) {
andrewm@11:         keyboardRangeLow_ = lowest;
andrewm@11:         keyboardRangeHigh_ = highest;
andrewm@11:     }
andrewm@11:     
andrewm@11:     // Set the interval at which data should be generated
andrewm@11:     void setDataInterval(timestamp_diff_type interval) {
andrewm@11:         dataInterval_ = interval;
andrewm@11:     }
andrewm@11:     
andrewm@11:     // *** Juce Thread method ***
andrewm@11:     void run();
andrewm@11:     
andrewm@11: private:
andrewm@11:     void clearTouchData(int i);         // Clear touch data for a particular key
andrewm@11:     
andrewm@11:     void generateRandomFrame(int key);  // Generate a random touch frame on this key
andrewm@11:     
andrewm@11: private:
andrewm@11: 	PianoKeyboard& keyboard_;           // Main keyboard controller
andrewm@11:     
andrewm@11:     WaitableEvent waitableEvent_;       // For thread timing
andrewm@11:     bool isRunning_;
andrewm@11:     int keyboardRangeLow_;              // Range of keys to generate data for
andrewm@11:     int keyboardRangeHigh_;
andrewm@11:     timestamp_diff_type dataInterval_;  // Interval between frames of data
andrewm@11:     
andrewm@11:     KeyTouchFrame touchFrames_[127];    // Current state of each virtual TouchKey
andrewm@11:     int nextOnOffFrameCount_[127];      // How long until the next note goes on or off
andrewm@11: };
andrewm@11: 
andrewm@11: 
andrewm@11: #endif  // TOUCHKEYENTROPYGENERATOR_H_INCLUDED