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73 lines
2.7 KiB
73 lines
2.7 KiB
// SerialManager_FreqShift_OA.h
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// Demonstrate frequency shifting via frequency domain processing.
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//
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// Created: Chip Audette (OpenAudio) Aug 2019
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// Built for the Tympan library for Teensy 3.6-based hardware
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//
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// Convert to Open Audio 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 _SerialManagerFreqShift_OA_h
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#define _SerialManagerFreqShift_OA_h
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#include "AudioStream_F32.h"
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#include "OpenAudio_ArduinoLibrary.h"
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//now, define the Serial Manager class
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class SerialManagerFreqShift_OA {
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public:
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SerialManagerFreqShift_OA(void) { };
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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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int freq_shift_increment = 1;
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};
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void SerialManagerFreqShift_OA::printHelp(void) {
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Serial.println();
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Serial.println("SerialManager 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 gain of all channels (ie, knob gain) by ");
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Serial.print(channelGainIncrement_dB); Serial.println(" dB");
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Serial.print( " K: Decrease the gain of all channels (ie, knob gain) by ");
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Serial.print(-channelGainIncrement_dB); Serial.println(" dB");
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Serial.print( " f: Raise freq shifting (change by "); Serial.print(freq_shift_increment); Serial.println(" bins)");
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Serial.print( " F: Lower freq shifting (change by "); Serial.print(-freq_shift_increment); Serial.println(" bins)"); 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 int incrementFreqShift(int);
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//switch yard to determine the desired action
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void SerialManagerFreqShift_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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{ int new_val = incrementFreqShift(freq_shift_increment);
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Serial.print("Recieved: new freq shift = "); Serial.println(new_val);}
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break;
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case 'F':
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{ int new_val = incrementFreqShift(-freq_shift_increment);
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Serial.print("Recieved: new freq shift = "); 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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