Added functions to get first and last arfcn of a band

2 files changed, 37 insertions, 0 deletions

diff --git a/python/misc_utils/arfcn.py b/python/misc_utils/arfcn.py
index afe8ab6..e7edfb5 100644
--- a/python/misc_utils/arfcn.py
+++ b/python/misc_utils/arfcn.py
@@ -44,6 +44,24 @@ def get_bands():
     return __band_conf.keys()
 
 
+def get_first_arfcn(band):
+    """
+    Returns the first arfcn (i.e. the one with the lowest number) in the given band.
+    """
+    if band in __band_conf:
+        conf = __band_conf.get(band)
+        return conf['first_arfcn']
+
+
+def get_last_arfcn(band):
+    """
+    Returns the last arfcn (i.e. the one with the highest number) in the given band
+    """
+    if band in __band_conf:
+        conf = __band_conf.get(band)
+        return conf['last_arfcn']
+    
+    
 def is_valid_arfcn(arfcn, band):
     """
     Returns True if arfcn is valid in the given band, else False
diff --git a/python/qa_arfcn.py b/python/qa_arfcn.py
index 64775ff..85be110 100755
--- a/python/qa_arfcn.py
+++ b/python/qa_arfcn.py
@@ -262,6 +262,25 @@ class qa_arfcn (gr_unittest.TestCase):
         self.assertEqual(512, grgsm.arfcn.downlink2arfcn(1930.2e6, 'PCS1900'))
         self.assertEqual(810, grgsm.arfcn.downlink2arfcn(1989.8e6, 'PCS1900'))
         
+    def test_008_firstarfcn(self):
+        self.assertEqual(259, grgsm.arfcn.get_first_arfcn('GSM450'))
+        self.assertEqual(306, grgsm.arfcn.get_first_arfcn('GSM480'))
+        self.assertEqual(128, grgsm.arfcn.get_first_arfcn('GSM850'))
+        self.assertEqual(1, grgsm.arfcn.get_first_arfcn('P-GSM'))
+        self.assertEqual(975, grgsm.arfcn.get_first_arfcn('E-GSM'))
+        self.assertEqual(955, grgsm.arfcn.get_first_arfcn('R-GSM'))
+        self.assertEqual(512, grgsm.arfcn.get_first_arfcn('DCS1800'))
+        self.assertEqual(512, grgsm.arfcn.get_first_arfcn('PCS1900'))
+
+    def test_009_firstarfcn(self):
+        self.assertEqual(293, grgsm.arfcn.get_last_arfcn('GSM450'))
+        self.assertEqual(340, grgsm.arfcn.get_last_arfcn('GSM480'))
+        self.assertEqual(251, grgsm.arfcn.get_last_arfcn('GSM850'))
+        self.assertEqual(124, grgsm.arfcn.get_last_arfcn('P-GSM'))
+        self.assertEqual(1023, grgsm.arfcn.get_last_arfcn('E-GSM'))
+        self.assertEqual(1023, grgsm.arfcn.get_last_arfcn('R-GSM'))
+        self.assertEqual(885, grgsm.arfcn.get_last_arfcn('DCS1800'))
+        self.assertEqual(810, grgsm.arfcn.get_last_arfcn('PCS1900'))        
         
 if __name__ == '__main__':
     gr_unittest.run(qa_arfcn, "qa_arfcn.xml")