146 lines
3.2 KiB
C++
146 lines
3.2 KiB
C++
//======================================================================
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// DSP.h
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//======================================================================
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#ifndef __DSP_h__
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#define __DSP_h__
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#include <Audio.h>
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#include <dynamicFilters.h>
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#include "Debug.h"
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#define MIN_RX_FILTER_LO 0.0
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#define MAX_RX_FILTER_HI 5000.0
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#define MIN_RX_FILTER_WIDTH 0.0
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#define MAX_RX_FILTER_WIDTH 5000.0
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#define MIN_RX_FILTER_CENTER 0.0
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#define MAX_RX_FILTER_CENTER 5000.0
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#define DSP_MILLIS_PER_UPDATE 100
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#define TX_MIC_IN_CH 0
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#define TX_LINE_IN_CH 0
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#define TX_USB_IN_CH 1
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#define TX_NUM_CHANNELS 2
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#define TX_LINE_IN_VOX 0
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#define TX_USB_IN_L_VOX 1
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#define TX_USB_IN_R_VOX 2
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#define TX_NUM_VOX 3
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#define TX_LINE_IN_VOX_THRESH 0.25
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#define TX_USB_IN_L_VOX_THRESH 0.25
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#define TX_USB_IN_R_VOX_THRESH 0.25
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#define TX_LINE_IN_VOX_DELAY 500
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#define TX_USB_IN_L_VOX_DELAY 500
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#define TX_USB_IN_R_VOX_DELAY 500
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struct DSPState {
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// RX audio output settings
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// RX filter settings
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float rxFilterLo = 300.0;
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float rxFilterHi = 3000.0;
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// TX audio input settings
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float txInLvl[4] = {0.5, 0.5, 0.0, 0.0};
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int txInEnable[4] = {1, 1, 0, 0};
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int txInTx[4] = {0, 0, 0, 0};
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// VOX settings
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bool voxActive[3];
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float voxThresh[3];
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unsigned voxDelay[3];
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unsigned voxTimeout[3];
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};
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enum TRState {
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TRANSMIT,
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RECEIVE
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};
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enum RxAudioIn {
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RIG_AUDIO
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};
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enum TxAudioIn {
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MIC_IN,
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LINE_IN,
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USB_IN
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};
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class UBitxDSP {
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public:
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UBitxDSP();
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void begin();
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void update();
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void end();
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void rx();
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void txMicIn();
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void txLineIn();
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void txUSBIn();
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// RX audio output settings
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// RX filter settings
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void bypassRxFilter();
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void setRxFilter(float lo, float hi);
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void setRxFilterLo(float lo);
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void setRxFilterHi(float hi);
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void setRxFilterWidth(float width);
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void setRxFilterCenter(float center);
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/*!
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* @brief Get the current low frequency bound of the RX band pass filter.
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* @return The low frequency bound.
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*/
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inline int getRxFilterLo() { return state.rxFilterLo; }
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/*!
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* @brief Get the current high frequency bound of the RX band pass filter.
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* @return The high frequency bound.
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*/
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inline int getRxFilterHi() { return state.rxFilterHi; }
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/*!
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* @brief Get the current width of the RX band pass filter.
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* @return The filter width.
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*/
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inline int getRxFilterWidth() { return state.rxFilterHi - state.rxFilterLo; }
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/*!
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* @brief Get the current center frequency of the RX band pass filter.
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* @return The center frequency.
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*/
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inline int getRxFilterCenter() { return (state.rxFilterHi + state.rxFilterLo) / 2; }
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// TX audio input settings
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void setTxInputLevel(int ch, float lvl);
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void enableTxInput(int ch);
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void disableTxInput(int ch);
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void startTxInput(int ch);
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void stopTxInput(int ch);
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// VOX settings
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bool isVoxActive(int vox);
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private:
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void updateRxFilter();
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DSPState state;
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short coefficients[NUM_COEFFICIENTS];
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elapsedMillis sinceLastUpdate;
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AudioAnalyzeRMS* voxRMS[3];
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};
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extern UBitxDSP DSP;
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#endif
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//======================================================================
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// EOF
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//======================================================================
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