From 6fbc45b6c356f1bf7f6946b84f99dfe87d5f6029 Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Thu, 28 May 2020 21:37:11 +0200
Subject: [PATCH] Scripts API: SuperScanner: added fc_shift parameter in
 channel configurations

---
 scriptsapi/Readme.md       | 9 +++++----
 scriptsapi/superscanner.py | 3 ++-
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/scriptsapi/Readme.md b/scriptsapi/Readme.md
index 6d49000e3..c91c36e08 100644
--- a/scriptsapi/Readme.md
+++ b/scriptsapi/Readme.md
@@ -228,21 +228,22 @@ This file drives how channels in the connected SDRangel instance are managed.
 ```json
 {
     "deviceset_index": 0,           // SDRangel instance deviceset index addressed - required
+    "freqrange_inclusions": [
+        [145170000, 145900000]      // List of frequency ranges in Hz to include in processing - optional
+    ],
     "freqrange_exclusions": [       // List of frequency ranges in Hz to exclude from processing - optional
         [145000000, 145170000],
         [145290000, 145335000],
         [145800000, 146000000]
     ],
-    "freqrange_inclusions": [
-        [145170000, 145900000]      // List of frequency ranges in Hz to include in processing - optional
-    ]
     "channel_info": [               // List of controlled channels - required
         {                           // Channel information - at least one required
             "index": 0,             // Index of channel in deviceset - required
-            "fc_pos": "usb"         // Center frequency position in hotspot - optional: default center
+            "fc_pos": "usb",        // Center frequency position in hotspot - optional: default center
                                     // lsb: center frequency at end of hotspot (higer frequency)
                                     // usb: center frequency at beginning of hotspot (lower frequency)
                                     // canter: center frequency at mid-point of hotspot (center frequency)
+            "fc_shift": -300        // Center frequency constant shift from computed frequency - optional
         },
         {
             "index": 2
diff --git a/scriptsapi/superscanner.py b/scriptsapi/superscanner.py
index 64e4c1395..902edf0a3 100644
--- a/scriptsapi/superscanner.py
+++ b/scriptsapi/superscanner.py
@@ -274,7 +274,8 @@ def get_hotspot_frequency(channel, hotspot):
         channel_frequency = hotspot['begin']
     else:
         channel_frequency = hotspot['fc']
-    return channel_frequency
+    fc_shift = channel.get('fc_shift', 0)
+    return channel_frequency + fc_shift
 
 # ======================================================================
 def process_hotspots(scanned_hotspots):