Update rtlsdr/rtlsdr.py

Added get and set for frequency correction.
superkuh · ffba3611cf0071dee7e1efec5c1a582e1e344c61 · Sep 2, 2012
commit ffba3611cf0071dee7e1efec5c1a582e1e344c61
1 parent 8ed885d
Unified Split

Showing with 23 additions and 0 deletions.

+23 −0  rtlsdr/rtlsdr.py
@@ -104,6 +104,29 @@ def get_center_freq(self):
 
         return center_freq
 
+    def set_freq_correction(self, err_ppm):
+        ''' Set frequency offset of tuner (in PPM). '''
+
+        freq = int(err_ppm)
+
+        result = librtlsdr.rtlsdr_set_freq_correction(self.dev_p, err_ppm)
+        if result < 0:
+            self.close()
+            raise IOError('Error code %d when setting freq. offset to %d ppm'\
+                          % (result, err_ppm))
+
+        return
+
+    def get_freq_correction(self):
+        ''' Get frequency offset of tuner (in PPM). '''
+
+        result = librtlsdr.rtlsdr_get_freq_correction(self.dev_p)
+        if result < 0:
+            self.close()
+            raise IOError('Error code %d when getting freq. offset in ppm.'\
+                          % (result))
+        return
+
     def set_sample_rate(self, rate):
         ''' Set sample rate of tuner (in Hz).
         Use get_sample_rate() to see the precise sample rate used. '''