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82 lines
2.7 KiB
82 lines
2.7 KiB
/*
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* SerialManagerFormant_OA.h
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* Demonstrate formant shifting via frequency domain processing
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* Created: Chip Audette (OpenAudio) March 2019
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*
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* Moved to OpenAudio, removed Tympan dependencies, fixed for T4.x
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* Bob Larkin June 2020
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*
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* MIT License. Use at your own risk.
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*/
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#ifndef _SerialManagerFormant_OA_h
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#define _SerialManagerFormant_OA_h
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#include <OpenAudio_ArduinoLibrary.h>
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//now, define the Serial Manager class
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class SerialManagerFormant_OA {
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public:
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void respondToByte(char c);
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void printHelp(void);
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int N_CHAN;
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float channelGainIncrement_dB = 2.5f;
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float formantScaleIncrement = powf(2.0,1.0/6.0);
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};
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void SerialManagerFormant_OA::printHelp(void) {
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Serial.println();
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Serial.println("SerialManager_OA Help: Available Commands:");
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Serial.println(" h: Print this help");
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Serial.println(" g: Print the gain settings of the device.");
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Serial.println(" C: Toggle printing of CPU and Memory usage");
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Serial.print(" k: Increase the audio by ");
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Serial.print(channelGainIncrement_dB);
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Serial.println(" dB");
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Serial.print(" K: Decrease the audio gain by ");
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Serial.print(-channelGainIncrement_dB);
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Serial.println(" dB");
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Serial.print(" f: Raise formant shifting (change by ");
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Serial.print(formantScaleIncrement);
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Serial.println("x)");
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Serial.print(" F: Lower formant shifting (change by ");
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Serial.print(1.0/formantScaleIncrement);
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Serial.println("x)");
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Serial.println();
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}
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//functions in the main sketch that I want to call from here
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extern void incrementKnobGain(float);
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extern void printGainSettings(void);
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extern void togglePrintMemoryAndCPU(void);
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extern float incrementFormantShift(float);
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//extern void switchToPCBMics(void);
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//extern void switchToMicInOnMicJack(void);
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//extern void switchToLineInOnMicJack(void);
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//switch yard to determine the desired action
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void SerialManagerFormant_OA::respondToByte(char c) {
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//float old_val = 0.0, new_val = 0.0;
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switch (c) {
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case 'h': case '?':
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printHelp(); break;
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case 'g': case 'G':
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printGainSettings(); break;
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case 'k':
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incrementKnobGain(channelGainIncrement_dB); break;
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case 'K': //which is "shift k"
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incrementKnobGain(-channelGainIncrement_dB); break;
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case 'C': case 'c':
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Serial.println("Received: toggle printing of memory and CPU usage.");
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togglePrintMemoryAndCPU(); break;
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case 'f':
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{ float new_val = incrementFormantShift(formantScaleIncrement);
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Serial.print("Recieved: new formant scale = "); Serial.println(new_val);}
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break;
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case 'F':
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{ float new_val = incrementFormantShift(1./formantScaleIncrement);
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Serial.print("Recieved: new formant scale = "); Serial.println(new_val);}
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break;
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}
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}
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#endif
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