General coverage / Receive-only bands

code/src/PhoenixSketch/Globals.cpp

@@ -15,9 +15,6 @@ float32_t audioYPixel[SPECTRUM_RES/4];
 
 VolumeFunction volumeFunction = AudioVolume;
 
-//#define BROADCAST_BAND 0
-#define HAM_BAND 1
-//#define MISC_BAND 2
 struct band bands[NUMBER_OF_BANDS] = 
   {
   //freqVFO1 freqVFO2 band low   band hi   name    mode      Hi    Low  Gain_dB  type  AGC
@@ -49,6 +46,7 @@ struct band bands[NUMBER_OF_BANDS] =
     //435000000, 420000000, 450000000, "70CM",  USB, 3000, 200, 0, HAM_BAND, 20,    // 70CM
     //915000000, 902000000, 928000000, "33CM",  USB, 3000, 200, 0, HAM_BAND, 20,    // 33CM
     //1270000000, 1240000000, 1300000000, "23CM", USB, 3000, 200, 0, HAM_BAND, 20,  // 23CM
+    200000, 200000, 80800000, "GEN", USB, 3000, 200, 0, MISC_BAND, 20,      // General coverage
 };
 
 struct BIT bit_results = {

code/src/PhoenixSketch/LPFBoard.cpp

@@ -456,6 +456,7 @@ void SelectLPFBand(int32_t band){
             band = LAST_BAND + 10; // force it to pick no filter. You're on your own now
         }
     }
+
     SET_LPF_BAND(BandToBCD(band));
     // And now actually change the hardware...
     UpdateMCPRegisters();

code/src/PhoenixSketch/Mode.cpp

@@ -1,6 +1,7 @@
 #include "SDT.h"
 
 // This file contains the entry and exit functions called upon changing states
+// as well as functions used in guards
 
 void UpdateHardwareState(void){
     UpdateRFHardwareState();
@@ -16,4 +17,8 @@ void ModeCWTransmitSpaceEnter(void){
         SetInterrupt(iKEY2_PRESSED);
     }
     UpdateHardwareState();
-}
+}
+
+bool IsTxAllowed(void) {
+    return bands[ED.currentBand[ED.activeVFO]].band_type == HAM_BAND;
+}

code/src/PhoenixSketch/Mode.h

@@ -16,4 +16,10 @@ void UpdateHardwareState(void);
  */
 void ModeCWTransmitSpaceEnter(void);
 
+/**
+ * @brief Checks if transmit is allowed for the current band 
+ * @note Used as guard for transitions to transmit states
+ */
+bool IsTxAllowed(void);
+
 #endif // MODE_H

code/src/PhoenixSketch/ModeSm.cpp

@@ -1,4 +1,4 @@
-// Autogenerated with StateSmith 0.19.0+b5719011215d41a81572ed347c02b22db5d1a48f.
+// Autogenerated with StateSmith 0.20.0+43839dcc75301cd62cac3f27a49bbde57af7ebda.
 // Algorithm: Balanced2. See https://github.com/StateSmith/StateSmith/wiki/Algorithms
 
 // This file is autogenerated! Do not edit it directly. Instead, edit the companion .drawio
@@ -1205,7 +1205,8 @@ static void CW_RECEIVE_exit(ModeSm* sm)
 static void CW_RECEIVE_dah_pressed(ModeSm* sm)
 {
     // CW_RECEIVE behavior
-    // uml: DAH_PRESSED TransitionTo(CW_TRANSMIT_DAH_MARK)
+    // uml: DAH_PRESSED [IsTxAllowed()] TransitionTo(CW_TRANSMIT_DAH_MARK)
+    if (IsTxAllowed())
     {
         // Step 1: Exit states until we reach `NORMAL_STATES` state (Least Common Ancestor for transition).
         CW_RECEIVE_exit(sm);
@@ -1225,7 +1226,8 @@ static void CW_RECEIVE_dah_pressed(ModeSm* sm)
 static void CW_RECEIVE_dit_pressed(ModeSm* sm)
 {
     // CW_RECEIVE behavior
-    // uml: DIT_PRESSED TransitionTo(CW_TRANSMIT_DIT_MARK)
+    // uml: DIT_PRESSED [IsTxAllowed()] TransitionTo(CW_TRANSMIT_DIT_MARK)
+    if (IsTxAllowed())
     {
         // Step 1: Exit states until we reach `NORMAL_STATES` state (Least Common Ancestor for transition).
         CW_RECEIVE_exit(sm);
@@ -1257,7 +1259,8 @@ static void CW_RECEIVE_do(ModeSm* sm)
 static void CW_RECEIVE_key_pressed(ModeSm* sm)
 {
     // CW_RECEIVE behavior
-    // uml: KEY_PRESSED TransitionTo(CW_TRANSMIT_MARK)
+    // uml: KEY_PRESSED [IsTxAllowed()] TransitionTo(CW_TRANSMIT_MARK)
+    if (IsTxAllowed())
     {
         // Step 1: Exit states until we reach `NORMAL_STATES` state (Least Common Ancestor for transition).
         CW_RECEIVE_exit(sm);
@@ -1703,7 +1706,8 @@ static void SSB_RECEIVE_exit(ModeSm* sm)
 static void SSB_RECEIVE_ptt_pressed(ModeSm* sm)
 {
     // SSB_RECEIVE behavior
-    // uml: PTT_PRESSED TransitionTo(SSB_TRANSMIT)
+    // uml: PTT_PRESSED [IsTxAllowed()] TransitionTo(SSB_TRANSMIT)
+    if (IsTxAllowed())
     {
         // Step 1: Exit states until we reach `NORMAL_STATES` state (Least Common Ancestor for transition).
         SSB_RECEIVE_exit(sm);

code/src/PhoenixSketch/ModeSm.h

@@ -1,4 +1,4 @@
-// Autogenerated with StateSmith 0.19.0+b5719011215d41a81572ed347c02b22db5d1a48f.
+// Autogenerated with StateSmith 0.20.0+43839dcc75301cd62cac3f27a49bbde57af7ebda.
 // Algorithm: Balanced2. See https://github.com/StateSmith/StateSmith/wiki/Algorithms
 
 // This file is autogenerated! Do not edit it directly. Instead, edit the companion .drawio

code/src/PhoenixSketch/ModeSm.sim.html

@@ -435,15 +435,15 @@
 
 SSB_RECEIVE --> CW_RECEIVE : TO_CW_MODE
 
-SSB_RECEIVE --> SSB_TRANSMIT : PTT_PRESSED
+SSB_RECEIVE --> SSB_TRANSMIT : PTT_PRESSED [IsTxAllowed()]
 
 CW_RECEIVE --> SSB_RECEIVE : TO_SSB_MODE
 
-CW_RECEIVE --> CW_TRANSMIT_MARK : KEY_PRESSED
+CW_RECEIVE --> CW_TRANSMIT_MARK : KEY_PRESSED [IsTxAllowed()]
 
-CW_RECEIVE --> CW_TRANSMIT_DAH_MARK : DAH_PRESSED
+CW_RECEIVE --> CW_TRANSMIT_DAH_MARK : DAH_PRESSED [IsTxAllowed()]
 
-CW_RECEIVE --> CW_TRANSMIT_DIT_MARK : DIT_PRESSED
+CW_RECEIVE --> CW_TRANSMIT_DIT_MARK : DIT_PRESSED [IsTxAllowed()]
 
 SSB_TRANSMIT --> SSB_RECEIVE : PTT_RELEASED
 
@@ -507,7 +507,7 @@
     </div>
 
 <script>
-// Autogenerated with StateSmith 0.19.0+b5719011215d41a81572ed347c02b22db5d1a48f.
+// Autogenerated with StateSmith 0.20.0+43839dcc75301cd62cac3f27a49bbde57af7ebda.
 // Algorithm: Balanced2. See https://github.com/StateSmith/StateSmith/wiki/Algorithms
 
 // Generated state machine
@@ -1738,7 +1738,8 @@
     #CW_RECEIVE_dah_pressed()
     {
         // CW_RECEIVE behavior
-        // uml: DAH_PRESSED / { this.tracer?.edgeTransition("edge24"); } TransitionTo(CW_TRANSMIT_DAH_MARK)
+        // uml: DAH_PRESSED [this.tracer?.log("🛡️ User evaluating guard: " + "IsTxAllowed()") || this.evaluateGuard("CW_RECEIVE","DAH_PRESSED [IsTxAllowed()] TransitionTo(CW_TRANSMIT_DAH_MARK)")] / { this.tracer?.edgeTransition("edge24"); } TransitionTo(CW_TRANSMIT_DAH_MARK)
+        if (this.tracer?.log("🛡️ User evaluating guard: " + "IsTxAllowed()") || this.evaluateGuard("CW_RECEIVE","DAH_PRESSED [IsTxAllowed()] TransitionTo(CW_TRANSMIT_DAH_MARK)"))
         {
             // Step 1: Exit states until we reach `NORMAL_STATES` state (Least Common Ancestor for transition).
             this.#CW_RECEIVE_exit();
@@ -1759,7 +1760,8 @@
     #CW_RECEIVE_dit_pressed()
     {
         // CW_RECEIVE behavior
-        // uml: DIT_PRESSED / { this.tracer?.edgeTransition("edge25"); } TransitionTo(CW_TRANSMIT_DIT_MARK)
+        // uml: DIT_PRESSED [this.tracer?.log("🛡️ User evaluating guard: " + "IsTxAllowed()") || this.evaluateGuard("CW_RECEIVE","DIT_PRESSED [IsTxAllowed()] TransitionTo(CW_TRANSMIT_DIT_MARK)")] / { this.tracer?.edgeTransition("edge25"); } TransitionTo(CW_TRANSMIT_DIT_MARK)
+        if (this.tracer?.log("🛡️ User evaluating guard: " + "IsTxAllowed()") || this.evaluateGuard("CW_RECEIVE","DIT_PRESSED [IsTxAllowed()] TransitionTo(CW_TRANSMIT_DIT_MARK)"))
         {
             // Step 1: Exit states until we reach `NORMAL_STATES` state (Least Common Ancestor for transition).
             this.#CW_RECEIVE_exit();
@@ -1792,7 +1794,8 @@
     #CW_RECEIVE_key_pressed()
     {
         // CW_RECEIVE behavior
-        // uml: KEY_PRESSED / { this.tracer?.edgeTransition("edge23"); } TransitionTo(CW_TRANSMIT_MARK)
+        // uml: KEY_PRESSED [this.tracer?.log("🛡️ User evaluating guard: " + "IsTxAllowed()") || this.evaluateGuard("CW_RECEIVE","KEY_PRESSED [IsTxAllowed()] TransitionTo(CW_TRANSMIT_MARK)")] / { this.tracer?.edgeTransition("edge23"); } TransitionTo(CW_TRANSMIT_MARK)
+        if (this.tracer?.log("🛡️ User evaluating guard: " + "IsTxAllowed()") || this.evaluateGuard("CW_RECEIVE","KEY_PRESSED [IsTxAllowed()] TransitionTo(CW_TRANSMIT_MARK)"))
         {
             // Step 1: Exit states until we reach `NORMAL_STATES` state (Least Common Ancestor for transition).
             this.#CW_RECEIVE_exit();
@@ -2343,7 +2346,8 @@
     #SSB_RECEIVE_ptt_pressed()
     {
         // SSB_RECEIVE behavior
-        // uml: PTT_PRESSED / { this.tracer?.edgeTransition("edge21"); } TransitionTo(SSB_TRANSMIT)
+        // uml: PTT_PRESSED [this.tracer?.log("🛡️ User evaluating guard: " + "IsTxAllowed()") || this.evaluateGuard("SSB_RECEIVE","PTT_PRESSED [IsTxAllowed()] TransitionTo(SSB_TRANSMIT)")] / { this.tracer?.edgeTransition("edge21"); } TransitionTo(SSB_TRANSMIT)
+        if (this.tracer?.log("🛡️ User evaluating guard: " + "IsTxAllowed()") || this.evaluateGuard("SSB_RECEIVE","PTT_PRESSED [IsTxAllowed()] TransitionTo(SSB_TRANSMIT)"))
         {
             // Step 1: Exit states until we reach `NORMAL_STATES` state (Least Common Ancestor for transition).
             this.#SSB_RECEIVE_exit();

code/src/PhoenixSketch/SDT.h

@@ -111,9 +111,10 @@ extern uint64_t hardwareRegister;
 #define BAND_10M                                9
 #define BAND_6M                                 10
 #define BAND_4M                                 11
+#define BAND_GENERAL                            12
 #define FIRST_BAND                              BAND_160M
-#define LAST_BAND                               BAND_6M
-#define NUMBER_OF_BANDS                         12
+#define LAST_BAND                               BAND_GENERAL
+#define NUMBER_OF_BANDS                         13
 #define MAX_FAVORITES                           13
 
 // Zoom
@@ -251,7 +252,7 @@ extern struct config_t {
     NoiseReductionType nrOptionSelect = NROff; /** Noise reduction mode */
     uint8_t ANR_notchOn = 0;        /** Automatic notch filter on/off */
     int32_t spectrumScale = 1;      /** dB/pixel selection for spectrum display */
-    int16_t spectrumNoiseFloor[NUMBER_OF_BANDS] = {50,50,50,50,50,50,50,50,50,50,50,50}; /** Shift spectrum up/down on display */
+    int16_t spectrumNoiseFloor[NUMBER_OF_BANDS] = {50,50,50,50,50,50,50,50,50,50,50,50,50 }; /** Shift spectrum up/down on display */
     int8_t spectrumFloorAuto = 1;   /** Automatically adjust the spectrum floor */
     uint32_t spectrum_zoom = 1;     /** Zoom level for spectrum */
     int32_t CWFilterIndex = 5;      /** Selects the receive CW audio filter */
@@ -270,43 +271,46 @@ extern struct config_t {
     int32_t equalizerRec[EQUALIZER_CELL_COUNT] = { 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100 }; /** Receive audio equalizer amplitudes */
     int32_t equalizerXmt[EQUALIZER_CELL_COUNT] = { 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100 }; /** Transmit audio equalizer amplitudes */
     int32_t currentMicGain = 20;   /** Gain of the mic used for SSB */
-    float32_t dbm_calibration[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** Calibrates the S-meter scale on the display */
+    float32_t dbm_calibration[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** Calibrates the S-meter scale on the display */
     float32_t powerOutCW[NUMBER_OF_BANDS] = {DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,
                                             DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,
                                             DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,
-                                            DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL}; /** Set output power in Watts in CW mode */
+                                            DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,
+                                            0}; /** Set output power in Watts in CW mode */
     float32_t powerOutSSB[NUMBER_OF_BANDS] = {DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,
                                             DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,
                                             DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,
-                                            DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL}; /** Set output power in Watts in SSB mode */
-    float32_t IQAmpCorrectionFactor[NUMBER_OF_BANDS] =   {1,1,1,1,1,1,1,1,1,1,1,1}; /** Receive IQ calibration amplitude correction */
-    float32_t IQPhaseCorrectionFactor[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** Receive IQ calibration phase correction */
-    float32_t IQXAmpCorrectionFactor[NUMBER_OF_BANDS] =   {1,1,1,1,1,1,1,1,1,1,1,1}; /** Transmit IQ calibration amplitude correction */
-    float32_t IQXPhaseCorrectionFactor[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** Transmit IQ calibration phase correction */
-    int16_t DCOffsetI[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** Transmit carrier nulling correction, I */
-    int16_t DCOffsetQ[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** Transmit carrier nulling correction, Q */
-    float32_t XAttenCW[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** RF board transmit attenuation in CW mode */
+                                            DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,DEFAULT_POWER_LEVEL,
+                                            0}; /** Set output power in Watts in SSB mode */
+    float32_t IQAmpCorrectionFactor[NUMBER_OF_BANDS] =   {1,1,1,1,1,1,1,1,1,1,1,1,1}; /** Receive IQ calibration amplitude correction */
+    float32_t IQPhaseCorrectionFactor[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** Receive IQ calibration phase correction */
+    float32_t IQXAmpCorrectionFactor[NUMBER_OF_BANDS] =   {1,1,1,1,1,1,1,1,1,1,1,1,1}; /** Transmit IQ calibration amplitude correction */
+    float32_t IQXPhaseCorrectionFactor[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** Transmit IQ calibration phase correction */
+    int16_t DCOffsetI[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** Transmit carrier nulling correction, I */
+    int16_t DCOffsetQ[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** Transmit carrier nulling correction, Q */
+    float32_t XAttenCW[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** RF board transmit attenuation in CW mode */
     // XAtten is only used in CW mode
-    //float32_t XAttenSSB[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** RF board transmit attenuation in SSB mode */
-    float32_t RAtten[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** RF board receive attenuation */
+    //float32_t XAttenSSB[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** RF board transmit attenuation in SSB mode */
+    float32_t RAtten[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** RF board receive attenuation */
     int64_t lastFrequencies[NUMBER_OF_BANDS][3] = {{1850000,0,1},{3700000,0,1},{5351500,0,0},
                     {7150000,0,1},{10125000,0,0},{14200000,0,0},{18100000,0,0},
-                    {21200000,0,0},{24920000,0,0},{28350000,0,0},{50100000,0,0},{70300000,0,0}}; /** center tune, fine tune, modulation */
-    int32_t antennaSelection[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** Antenna selection per band */
+                    {21200000,0,0},{24920000,0,0},{28350000,0,0},{50100000,0,0},{70300000,0,0},
+                    {10000000,0,1}}; /** center tune, fine tune, modulation */
+    int32_t antennaSelection[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** Antenna selection per band */
     bool keyerFlip = KEYER_FLIP; /**false = right paddle = DAH, true = DIT */
     bool PA100Wactive = false;
-    float32_t PowerCal_20W_Psat_mW[NUMBER_OF_BANDS] = {14680,14680,14680,14680,14680,14680,14680,14680,14680,14680,14680,14680}; /** The saturation power output level when 20W PA is used */
-    float32_t PowerCal_20W_kindex[NUMBER_OF_BANDS] = {16.2,16.2,16.2,16.2,16.2,16.2,16.2,16.2,16.2,16.2,16.2,16.2}; /** k index parameterizes the knee location in the Pout vs attenuation */
-    float32_t PowerCal_100W_Psat_mW[NUMBER_OF_BANDS] = {86000,86000,86000,86000,86000,86000,86000,86000,86000,86000,86000,86000};  /** The saturation power output level when 100W PA is used */
+    float32_t PowerCal_20W_Psat_mW[NUMBER_OF_BANDS] = {14680,14680,14680,14680,14680,14680,14680,14680,14680,14680,14680,14680,0}; /** The saturation power output level when 20W PA is used */
+    float32_t PowerCal_20W_kindex[NUMBER_OF_BANDS] = {16.2,16.2,16.2,16.2,16.2,16.2,16.2,16.2,16.2,16.2,16.2,16.2,0}; /** k index parameterizes the knee location in the Pout vs attenuation */
+    float32_t PowerCal_100W_Psat_mW[NUMBER_OF_BANDS] = {86000,86000,86000,86000,86000,86000,86000,86000,86000,86000,86000,86000,0};  /** The saturation power output level when 100W PA is used */
     float32_t PowerCal_100W_kindex[NUMBER_OF_BANDS] = {10,10,10,10,10,10,10,10,10,10,10,10}; /** k index parameterizes the knee location in the Pout vs attenuation */
     float32_t PowerCal_20W_to_100W_threshold_W = 20.0; /** The power threshold that switches in the 100W amplifier */
-    float32_t PowerCal_20W_DSP_Gain_correction_dB[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** DSP gain applied to the TX SSB chain to fix band-to-band gain differences */
-    float32_t PowerCal_100W_DSP_Gain_correction_dB[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** DSP gain applied to the TX SSB chain to fix band-to-band gain differences */
+    float32_t PowerCal_20W_DSP_Gain_correction_dB[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** DSP gain applied to the TX SSB chain to fix band-to-band gain differences */
+    float32_t PowerCal_100W_DSP_Gain_correction_dB[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** DSP gain applied to the TX SSB chain to fix band-to-band gain differences */
 
-    float32_t SWR_F_SlopeAdj[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** SWR calibration */
-    float32_t SWR_R_SlopeAdj[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** SWR calibration */
-    float32_t SWR_R_Offset[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** SWR calibration */
-    float32_t SWR_F_Offset[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0}; /** SWR calibration */
+    float32_t SWR_F_SlopeAdj[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** SWR calibration */
+    float32_t SWR_R_SlopeAdj[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0,0}; /** SWR calibration */
+    float32_t SWR_R_Offset[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0.0}; /** SWR calibration */
+    float32_t SWR_F_Offset[NUMBER_OF_BANDS] = {0,0,0,0,0,0,0,0,0,0,0,0.0}; /** SWR calibration */
 } ED;
 
 // Define a structure to hold the results of built-in-test routine
@@ -320,6 +324,12 @@ struct BIT {
     uint8_t AD7991_I2C_ADDR;
 };
 
+enum BandType {
+    BROADCAST_BAND,
+    HAM_BAND,
+    MISC_BAND
+};
+
 /** Contains the parameters that define a band */
 struct band {
     int64_t freqVFO1_Hz;    /** Frequency of VFO1 in Hz (hardware mixer) */
@@ -330,7 +340,7 @@ struct band {
     int32_t FHiCut_Hz;      /** Audio bandpass filter edge */
     int32_t FLoCut_Hz;      /** Audio bandpass filter edge */
     float32_t RFgain_dB;    /** Gain applied in the DSP receive chain */
-    uint8_t band_type;      /** UNUSED */
+    BandType band_type;     /** type of band */
     int32_t AGC_thresh;     /** AGC threshold value used by DSP receive code */
 };