You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.7 KiB
74 lines
2.7 KiB
4 years ago
|
// SerialManager_FreqShift_OA.h
|
||
|
|
// Demonstrate frequency shifting via frequency domain processing.
|
||
|
|
//
|
||
|
|
// Created: Chip Audette (OpenAudio) Aug 2019
|
||
|
|
// Built for the Tympan library for Teensy 3.6-based hardware
|
||
|
|
//
|
||
|
|
// Convert to Open Audio Bob Larkin June 2020
|
||
|
|
//
|
||
|
|
// MIT License. Use at your own risk.
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifndef _SerialManagerFreqShift_OA_h
|
||
|
|
#define _SerialManagerFreqShift_OA_h
|
||
|
|
#include "AudioStream_F32.h"
|
||
|
|
#include "OpenAudio_ArduinoLibrary.h"
|
||
|
|
//now, define the Serial Manager class
|
||
|
|
class SerialManagerFreqShift_OA {
|
||
|
|
public:
|
||
|
|
SerialManagerFreqShift_OA(void) { };
|
||
|
|
|
||
|
|
void respondToByte(char c);
|
||
|
|
void printHelp(void);
|
||
|
|
int N_CHAN;
|
||
|
|
float channelGainIncrement_dB = 2.5f;
|
||
|
|
int freq_shift_increment = 1;
|
||
|
|
};
|
||
|
|
|
||
|
|
void SerialManagerFreqShift_OA::printHelp(void) {
|
||
|
|
Serial.println();
|
||
|
|
Serial.println("SerialManager Help: Available Commands:");
|
||
|
|
Serial.println(" h: Print this help");
|
||
|
|
Serial.println(" g: Print the gain settings of the device.");
|
||
|
|
Serial.println(" C: Toggle printing of CPU and Memory usage");
|
||
|
|
Serial.print( " k: Increase the gain of all channels (ie, knob gain) by ");
|
||
|
|
Serial.print(channelGainIncrement_dB); Serial.println(" dB");
|
||
|
|
Serial.print( " K: Decrease the gain of all channels (ie, knob gain) by ");
|
||
|
|
Serial.print(-channelGainIncrement_dB); Serial.println(" dB");
|
||
|
|
Serial.print( " f: Raise freq shifting (change by "); Serial.print(freq_shift_increment); Serial.println(" bins)");
|
||
|
|
Serial.print( " F: Lower freq shifting (change by "); Serial.print(-freq_shift_increment); Serial.println(" bins)"); Serial.println();
|
||
|
|
}
|
||
|
|
|
||
|
|
//functions in the main sketch that I want to call from here
|
||
|
|
extern void incrementKnobGain(float);
|
||
|
|
extern void printGainSettings(void);
|
||
|
|
extern void togglePrintMemoryAndCPU(void);
|
||
|
|
extern int incrementFreqShift(int);
|
||
|
|
|
||
|
|
//switch yard to determine the desired action
|
||
|
|
void SerialManagerFreqShift_OA::respondToByte(char c) {
|
||
|
|
//float old_val = 0.0, new_val = 0.0;
|
||
|
|
switch (c) {
|
||
|
|
case 'h': case '?':
|
||
|
|
printHelp(); break;
|
||
|
|
case 'g': case 'G':
|
||
|
|
printGainSettings(); break;
|
||
|
|
case 'k':
|
||
|
|
incrementKnobGain(channelGainIncrement_dB); break;
|
||
|
|
case 'K': //which is "shift k"
|
||
|
|
incrementKnobGain(-channelGainIncrement_dB); break;
|
||
|
|
case 'C': case 'c':
|
||
|
|
Serial.println("Received: toggle printing of memory and CPU usage.");
|
||
|
|
togglePrintMemoryAndCPU(); break;
|
||
|
|
case 'f':
|
||
|
|
{ int new_val = incrementFreqShift(freq_shift_increment);
|
||
|
|
Serial.print("Recieved: new freq shift = "); Serial.println(new_val);}
|
||
|
|
break;
|
||
|
|
case 'F':
|
||
|
|
{ int new_val = incrementFreqShift(-freq_shift_increment);
|
||
|
|
Serial.print("Recieved: new freq shift = "); Serial.println(new_val);}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|