#52 SDRPlay RSP tuner support. (#1453)

Co-authored-by: Dennis Sheirer <dsheirer@github.com>

artifacts/sdrplay-api-headers/v3_11/sdrplay_api_control.h

@@ -0,0 +1,55 @@
+#ifndef SDRPLAY_API_CONTROL_H
+#define SDRPLAY_API_CONTROL_H
+
+// Control parameter enums
+typedef enum
+{
+    sdrplay_api_AGC_DISABLE  = 0,
+    sdrplay_api_AGC_100HZ    = 1,
+    sdrplay_api_AGC_50HZ     = 2,
+    sdrplay_api_AGC_5HZ      = 3,
+    sdrplay_api_AGC_CTRL_EN  = 4
+} sdrplay_api_AgcControlT;
+
+typedef enum
+{
+    sdrplay_api_ADSB_DECIMATION                  = 0,
+    sdrplay_api_ADSB_NO_DECIMATION_LOWPASS       = 1,
+    sdrplay_api_ADSB_NO_DECIMATION_BANDPASS_2MHZ = 2,
+    sdrplay_api_ADSB_NO_DECIMATION_BANDPASS_3MHZ = 3
+} sdrplay_api_AdsbModeT;
+
+// Control parameter structs
+typedef struct 
+{
+    unsigned char DCenable;          // default: 1
+    unsigned char IQenable;          // default: 1
+} sdrplay_api_DcOffsetT;
+
+typedef struct 
+{
+    unsigned char enable;            // default: 0
+    unsigned char decimationFactor;  // default: 1
+    unsigned char wideBandSignal;    // default: 0
+} sdrplay_api_DecimationT;
+
+typedef struct 
+{
+    sdrplay_api_AgcControlT enable;    // default: sdrplay_api_AGC_50HZ
+    int setPoint_dBfs;                 // default: -60
+    unsigned short attack_ms;          // default: 0
+    unsigned short decay_ms;           // default: 0
+    unsigned short decay_delay_ms;     // default: 0
+    unsigned short decay_threshold_dB; // default: 0
+    int syncUpdate;                    // default: 0
+} sdrplay_api_AgcT;
+
+typedef struct 
+{
+    sdrplay_api_DcOffsetT dcOffset;
+    sdrplay_api_DecimationT decimation;
+    sdrplay_api_AgcT agc;
+    sdrplay_api_AdsbModeT adsbMode;  //default: sdrplay_api_ADSB_DECIMATION
+} sdrplay_api_ControlParamsT;
+
+#endif //SDRPLAY_API_CONTROL_H