Improve fprintf in the same line.

Author: pablorcum

toolbox/examples/demo_amplitude_threshold_tracking.m

@@ -50,16 +50,17 @@
 
 %% Controlling BOSS Device for mu Alpha Phase Locked Triggering
 condition_index=1;
+lastsize = 0;
 while (condition_index <= no_of_trials)
-    fprintf('Running trial %i out of %i...\n',condition_index,no_of_trials);
+    fprintf(repmat('\b', 1, lastsize));
+    lastsize = fprintf('Running trial %i out of %i...\n',condition_index,no_of_trials);
     pause(0.1);
 
     mapData = inst.getBufferedData;
     sigData = mapData.values;
 
     % Skip iteration if buffer is empty
     if isempty(sigData) || numel(sigData) < 2
-        disp('Buffer empty in this iteration.');
         continue;
     end
 
@@ -108,7 +109,8 @@
     if(bd.triggers_remaining == 0)
         condition_index = condition_index + 1;
         bd.disarm;
-        disp Triggered!
+        fprintf('Triggered!\n\n');
+        lastsize = 0;
     end
 end
 disp('Experiment finished');

toolbox/examples/demo_phase_triggered_plasticity_protocol.m

@@ -55,9 +55,10 @@
 bd.min_inter_trig_interval = minimium_inter_trigger_interval;
 bd.arm;
 
-fprintf('System running, pulses remaining: %i', bd.triggers_remaining);
+lastsize = 0;
 while (bd.triggers_remaining > 0)
-    fprintf('\b\b\b%03i', bd.triggers_remaining);
+    fprintf(repmat('\b', 1, lastsize));
+    lastsize = fprintf('System running, pulses remaining: %i', bd.triggers_remaining);
     pause(0.1);
 end
 fprintf('\nDone\n');
@@ -66,8 +67,10 @@
 %% Controlling BOSS Device for mu Alpha Phase Locked Triggering
 % this could be for excitability, where we have interleaved different conditions
 condition_index=0;
+lastsize = 0;
 while (condition_index <= no_of_trials)
-    fprintf('Running trial %i out of %i...\n',condition_index,no_of_trials);
+    fprintf(repmat('\b', 1, lastsize));
+    lastsize = fprintf('Running trial %i out of %i...',condition_index,no_of_trials);
     if ~bd.isArmed
         bd.triggers_remaining = 1;
         bd.arm;
@@ -76,7 +79,8 @@
     if(bd.triggers_remaining == 0)
         condition_index = condition_index + 1;
         bd.disarm;
-        disp('Triggered!');
+        fprintf('\nTriggered!\n');
+        lastsize = 0;
     end
     pause(0.01);
 end