ubitx-v5x/TeensyDSP/DSP.cpp
2021-01-30 07:49:19 -06:00

150 lines
3.7 KiB
C++

//======================================================================
// DSP.cpp
//======================================================================
#include "DSP.h"
#include <Audio.h>
#include <i2c_t3.h>
//#include <Wire.h>
//#include <SPI.h>
//#include <SD.h>
//#include <SerialFlash.h>
#define RX_AUDIO_CH 0
#define TX_MIC_IN_CH 0
#define TX_LINE_IN_CH 0
#define TX_USB_IN_CH1 1
#define TX_USB_IN_CH2 2
UBitxDSP DSP;
//static struct {
// GUItool: begin automatically generated code
AudioInputI2S lineIn; //xy=137,220
AudioInputUSB usbIn; //xy=142,326
AudioMixer4 rxAudio; //xy=394,134
AudioMixer4 txAudio; //xy=398,322
AudioOutputAnalog spkrOut; //xy=774,104
AudioOutputUSB usbOut; //xy=774,138
AudioOutputI2S lineOut; //xy=776,236
AudioConnection patchCord1(lineIn, 0, rxAudio, 0);
AudioConnection patchCord2(lineIn, 1, txAudio, 0);
AudioConnection patchCord3(usbIn, 0, txAudio, 1);
AudioConnection patchCord4(usbIn, 1, txAudio, 2);
AudioConnection patchCord5(rxAudio, spkrOut);
AudioConnection patchCord6(rxAudio, 0, lineOut, 0);
AudioConnection patchCord7(rxAudio, 0, usbOut, 0);
AudioConnection patchCord8(rxAudio, 0, usbOut, 1);
AudioConnection patchCord9(txAudio, 0, lineOut, 1);
AudioControlSGTL5000 audioCtrl; //xy=403,463
// GUItool: end automatically generated code
//} audio;
void UBitxDSP::begin() {
AudioMemory(20);
audioCtrl.enable();
audioCtrl.volume(0.0); // headphone volume...
audioCtrl.muteHeadphone(); // ...not used by UBitxDSP
for (int i = 0; i < 4; i++) {
if (i == RX_AUDIO_CH)
rxAudio.gain(i, 1.0);
else
rxAudio.gain(i, 0.0);
}
for (int i = 0; i < 4; i++) {
txAudio.gain(i, 0.0);
}
// SETUP THE AUDIO INPUTS
// Rig (Line) Input (RX)
audioCtrl.inputSelect(AUDIO_INPUT_LINEIN);
audioCtrl.unmuteLineout();
audioCtrl.lineInLevel(5, 5); // RX, TX
audioCtrl.lineOutLevel(29, 29); //RX, TX
// Mic Input (TX)
audioCtrl.micGain(0); // TODO: set value
// Line Input (TX)
// USB Input (TX)
// SETUP THE AUDIO OUTPUTS
// Speaker Output (RX)
spkrOut.analogReference(INTERNAL);
// Line Output (RX)
// USB Output (RX)
// Rig (Line) Output (TX)
// Default to RX.
rx();
}
void UBitxDSP::end() {
}
void UBitxDSP::rx() {
// mute all tx audio
for (int i = 0; i < 4; i++) {
txAudio.gain(i, 0.0);
}
// select line in for rx
audioCtrl.inputSelect(AUDIO_INPUT_LINEIN);
// restore rx audio
rxAudio.gain(RX_AUDIO_CH, 1.0); // restore the RX audio
}
void UBitxDSP::txMicIn() {
// mute the rx audio
rxAudio.gain(RX_AUDIO_CH, 0.0);
// restore the tx mic audio
audioCtrl.inputSelect(AUDIO_INPUT_MIC);
for (int i = 0; i < 4; i++) {
if (i == TX_MIC_IN_CH)
txAudio.gain(i, 1.0);
else
txAudio.gain(i, 0.0);
}
}
void UBitxDSP::txLineIn() {
// mute the rx audio
rxAudio.gain(RX_AUDIO_CH, 0.0);
// restore the tx line in audio
audioCtrl.inputSelect(AUDIO_INPUT_LINEIN);
for (int i = 0; i < 4; i++) {
if (i == TX_LINE_IN_CH)
txAudio.gain(i, 1.0);
else
txAudio.gain(i, 0.0);
}
}
void UBitxDSP::txUSBIn() {
// mute the rx audio
rxAudio.gain(RX_AUDIO_CH, 0.0);
// restore the tx usb in audio
audioCtrl.inputSelect(AUDIO_INPUT_LINEIN);
for (int i = 0; i < 4; i++) {
if (i == TX_USB_IN_CH1 || i == TX_USB_IN_CH2)
txAudio.gain(i, 1.0);
else
txAudio.gain(i, 0.0);
}
}
//======================================================================
// EOF
//======================================================================