Remove unused code

cpp/hal/bus.h

@@ -68,8 +68,7 @@ class BUS : public PinControl
     // Operation modes definition
     enum class mode_e {
         TARGET    = 0,
-        INITIATOR = 1,
-        MONITOR   = 2,
+        INITIATOR = 1
     };
 
     static int GetCommandByteCount(uint8_t);
@@ -86,7 +85,6 @@ class BUS : public PinControl
 
     // Get the string phase name, based upon the raw data
     static const char *GetPhaseStrRaw(phase_t current_phase);
-    virtual int GetMode(int pin) = 0;
 
     virtual uint32_t Acquire()                                                = 0;
     virtual unique_ptr<DataSample> GetSample(uint64_t timestamp = 0)          = 0;

cpp/hal/gpiobus_raspberry.h

@@ -174,12 +174,6 @@ class GPIOBUS_Raspberry : public GPIOBUS
     // Set Control Signal
     void SetMode(int pin, int mode) override;
     // Set SCSI I/O mode
-    int GetMode(int pin) override
-    {
-        // Not implemented (or needed for thist gpio bus type)
-        (void)pin;
-        return -1;
-    }
     bool GetSignal(int pin) const override;
     // Get SCSI input signal value
     void SetSignal(int pin, bool ast) override;

cpp/hal/gpiobus_virtual.h

@@ -120,12 +120,6 @@ class GPIOBUS_Virtual final : public GPIOBUS
     // Set Control Signal
     void SetMode(int pin, int mode) override;
     // Set SCSI I/O mode
-    int GetMode(int pin) override
-    {
-        // Not implemented (or needed for thist gpio bus type)
-        (void)pin;
-        return -1;
-    }
     bool GetSignal(int pin) const override;
     // Get SCSI input signal value
     void SetSignal(int pin, bool ast) override;

cpp/test/mocks.h

@@ -66,7 +66,6 @@ public:
     MOCK_METHOD(void, PullConfig, (int , int ), (override));
     MOCK_METHOD(void, SetControl, (int , bool ), (override));
     MOCK_METHOD(void, SetMode, (int , int ), (override));
-    MOCK_METHOD(int, GetMode, (int ), (override));
 
 	MockBus() = default;
 	~MockBus() override = default;