Merge branch 'master' of https://git.rwth-aachen.de/qutech/matlab_special-measure

sm/channels/smcRigolDSG815.m

+function [val, rate] = smcRigolDSG815(ic, val, rate)
+% [val, rate] = smcRigolDSG815(ic, val, rate)
+% 1: Frequency in Hz
+% 2: Amplitude in dBm
+% 3: Output on/off
+
+global smdata;
+
+switch ic(2) % Channel
+    case 1 % frequency
+        switch ic(3) % action
+            case 1 % set
+                fprintf(smdata.inst(ic(1)).data.inst, sprintf(':FREQ %f', val));
+            case 0 % get
+                val = query(smdata.inst(ic(1)).data.inst, ':FREQ?');
+            otherwise
+                error('Operation not supported');
+        end
+    case 2 % amplitude (level)
+        switch ic(3) % action
+            case 1 % set
+                fprintf(smdata.inst(ic(1)).data.inst, sprintf(':LEV %f', val));
+            case 0 % get
+                val = query(smdata.inst(ic(1)).data.inst, ':LEV?');
+            otherwise
+                error('Operation not supported');
+        end
+    case 3 % output ON/OFF
+        switch ic(3)
+            case 1 % set
+                assert(val==0||val==1);
+                fprintf(smdata.inst(ic(1)).data.inst, sprintf(':OUTP %d', val));
+            case 0 % get
+                val = query(smdata.inst(ic(1)).data.inst, ':OUTP?');
+            otherwise
+                error('Operation not supported');
+        end
+    otherwise
+        error('Operation not supported');
+end
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