From d952405886dab44f12c1de53b57912b34320c7c8 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Wed, 28 Nov 2018 15:14:45 +0100
Subject: Get calibration to show nice numbers on web page

---
 gui/api/__init__.py                |  1 -
 gui/dpd/__init__.py                |  4 ++--
 gui/static/js/odr-predistortion.js | 23 +++++++++++++++++++----
 gui/templates/predistortion.html   |  2 ++
 4 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/gui/api/__init__.py b/gui/api/__init__.py
index c1d73a0..70a4eff 100755
--- a/gui/api/__init__.py
+++ b/gui/api/__init__.py
@@ -125,7 +125,6 @@ class API:
             return send_ok()
         else:
             if self.calibration_result is not None:
-                print("cal result", repr(self.calibration_result))
                 return send_ok(self.calibration_result)
             else:
                 return send_error("DPD calibration result unknown")
diff --git a/gui/dpd/__init__.py b/gui/dpd/__init__.py
index 85abe86..2c7649b 100644
--- a/gui/dpd/__init__.py
+++ b/gui/dpd/__init__.py
@@ -57,8 +57,8 @@ class DPD:
     def capture_calibration(self):
         tx_ts, tx_median, rx_ts, rx_median, coarse_offset, correlation_coefficient = self.capture.calibrate()
         result = {'status': "ok"}
-        result['tx_median'] = "{:.2}dB".format(20*np.log10(tx_median))
-        result['rx_median'] = "{:.2}dB".format(20*np.log10(rx_median))
+        result['tx_median'] = "{:.2f}dB".format(20*np.log10(tx_median))
+        result['rx_median'] = "{:.2f}dB".format(20*np.log10(rx_median))
         result['tx_ts'] = tx_ts
         result['rx_ts'] = rx_ts
         result['coarse_offset'] = int(coarse_offset)
diff --git a/gui/static/js/odr-predistortion.js b/gui/static/js/odr-predistortion.js
index e13fb88..6c5f4d3 100644
--- a/gui/static/js/odr-predistortion.js
+++ b/gui/static/js/odr-predistortion.js
@@ -18,16 +18,31 @@
 //   You should have received a copy of the GNU General Public License
 //   along with ODR-DabMod.  If not, see <http://www.gnu.org/licenses/>.
 
+function calibraterefresh() {
+    doApiRequestGET("/api/calibrate", function(data) {
+        var text = "Captured TX signal and feedback." +
+            " TX median: " + data['tx_median'] +
+            " RX median: " + data['rx_median'] +
+            " with relative timestamp offset " +
+            (data['tx_ts'] - data['rx_ts']) +
+            " and measured offset " + data['coarse_offset'] +
+            ". Correlation: " + data['correlation'];
+        $('#calibrationresults').text(text);
+    });
+}
+
 $(function(){
+    $('#calibraterefreshbtn').click(calibraterefresh);
+
     $('#calibratebtn').click(function() {
         doApiRequestPOST("/api/calibrate", {}, function(data) {
             console.log("calibrate succeeded: " + JSON.stringify(data));
 
+            $('#calibrationresults').text("Processing...");
+
             setTimeout(function() {
-                doApiRequestGET("/api/calibrate", function(data) {
-                    $('#calibrationresults').text(data);
-                });
-            }, 2000);
+                calibraterefresh();
+            }, 3000);
         });
     });
 
diff --git a/gui/templates/predistortion.html b/gui/templates/predistortion.html
index 139d982..398b4b7 100644
--- a/gui/templates/predistortion.html
+++ b/gui/templates/predistortion.html
@@ -36,6 +36,8 @@ along with ODR-DabMod.  If not, see <http://www.gnu.org/licenses/>.
           parameters are invalidated!</div>
           <button type="button" class="btn btn-sm btn-info" id="calibratebtn">
             Calibrate</button>
+          <button type="button" class="btn btn-sm btn-info" id="calibraterefreshbtn">
+            Refresh results</button>
           <div>Calibration results:<span id="calibrationresults">N/A<span></div>
         </div>
       </div>
-- 
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