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examples/UNDER_CONSTRUCTION/WB/WB.ino

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+#include <SI4735.h>
+
+// WB
+#define WB_TUNE_FREQ 0x50
+#define WB_TUNE_STATUS 0x52
+#define WB_RSQ_STATUS 0x53
+#define WB_SAME_STATUS 0x54
+#define WB_ASQ_STATUS 0x55
+#define WB_AGC_STATUS 0x57
+#define WB_AGC_OVERRIDE 0x58
+
+// WB properties
+#define WB_MAX_TUNE_ERROR 0x5108
+#define WB_RSQ_INT_SOURCE 0x5200
+#define WB_RSQ_SNR_HI_THRESHOLD 0x5201
+#define WB_RSQ_SNR_LO_THRESHOLD 0x5202
+#define WB_RSQ_RSSI_HI_THRESHOLD 0x5203
+#define WB_RSQ_RSSI_LO_THRESHOLD 0x5204
+#define WB_VALID_SNR_THRESHOLD 0x5403
+#define WB_VALID_RSSI_THRESHOLD 0x5404
+#define WB_SAME_INTERRUPT_SOURCE 0x5500
+#define WB_ASQ_INT_SOURCE 0x5600
+
+#define WB_CURRENT_MODE 3
+
+class WeatherBand : public SI4735 { // extending the original class SI4735
+  public:
+
+    void setWB(uint16_t fromFreq, uint16_t toFreq, uint16_t initialFreq, uint16_t step)
+    {
+        currentMinimumFrequency = fromFreq;
+        currentMaximumFrequency = toFreq;
+        currentStep = step;
+
+        if (initialFreq < fromFreq || initialFreq > toFreq)
+            initialFreq = fromFreq;
+
+        setWB();
+
+        currentWorkFrequency = initialFreq;
+        setFrequency(currentWorkFrequency);
+    }
+
+    void setWB()
+    {
+        powerDown();
+        setPowerUp(this->ctsIntEnable, this->gpo2Enable, 0, this->currentClockType, WB_CURRENT_MODE, this->currentAudioMode);
+        radioPowerUp();
+        setVolume(volume); // Set to previus configured volume
+        currentSsbStatus = 0;
+        disableFmDebug();
+        lastMode = WB_CURRENT_MODE;
+    }
+
+    void getStatus(uint8_t INTACK, uint8_t CANCEL)
+    {
+        si47x_tune_status status;
+        uint8_t cmd = FM_TUNE_STATUS;
+        int limitResp = 8;
+
+        if (currentTune == FM_TUNE_FREQ)
+            cmd = FM_TUNE_STATUS;
+        else if (currentTune == AM_TUNE_FREQ)
+            cmd = AM_TUNE_STATUS;
+        else if (currentTune == WB_TUNE_FREQ)
+            cmd = WB_TUNE_STATUS;	
+        else if (currentTune == NBFM_TUNE_FREQ)
+        {
+            cmd = NBFM_TUNE_STATUS;
+            limitResp = 6;
+        }
+
+        waitToSend();
+
+        status.arg.INTACK = INTACK;
+        status.arg.CANCEL = CANCEL;
+        status.arg.RESERVED2 = 0;
+
+        Wire.beginTransmission(deviceAddress);
+        Wire.write(cmd);
+        Wire.write(status.raw);
+        Wire.endTransmission();
+        // Reads the current status (including current frequency).
+        do
+        {
+            waitToSend();
+            Wire.requestFrom(deviceAddress, limitResp); // Check it
+            // Gets response information
+            for (uint8_t i = 0; i < limitResp; i++)
+                currentStatus.raw[i] = Wire.read();
+        } while (currentStatus.resp.ERR); // If error, try it again
+        waitToSend();
+    }
+
+};
+
+WeatherBand wb; 
+
+void setup()
+{
+
+}
+
+void loop() {
+  // Your code with your custom SI4735 library.
+}
+