Add jump function to loop

gadgety_esp8266_embedded_HTML.ino

@@ -56,6 +56,7 @@ unsigned i;
 void sequencer_main_loop(void)
 {
 unsigned i;
+line_time_t new_cursor;
 
   // Restart main loop timer
   timer0_write(ESP.getCycleCount() + TIMESTEPS);
@@ -66,14 +67,24 @@ unsigned i;
       switch(lines[i].next_event->type) {
         case EVENT_NOTEON:
           digitalWrite(LINE_PIN_MAP[i], 1);
+          ++lines[i].next_event;
           break;
         case EVENT_NOTEOFF:
           digitalWrite(LINE_PIN_MAP[i], 0);
+          ++lines[i].next_event;
           break;
-        // Todo: tone, jump, barrier, envelope
+        case EVENT_JUMP:
+          new_cursor = lines[i].cursor = lines[i].next_event->new_cursor;
+          for(list<event_t>::iterator it = lines[i].events.begin(); it != lines[i].events.end(); ++it) {
+            if(it->time >= new_cursor) {
+              lines[i].next_event = it;
+              break;
+            }
+          }
+          break;
+
+        // Todo: tone, barrier, envelope
       }
-      
-      ++lines[i].next_event;
     }
 
     if(lines[i].next_event != lines[i].events.end())
@@ -101,7 +112,9 @@ const char *p;
   JsonArray &model_lines = model["lines"];
   unsigned millis_per_slot = model["millis_per_slot"];
 
-  //
+  // Critical section
+  noInterrupts();
+  
   for(lineno = 0; lineno < LINES_NUM; ++lineno) {
     lines[lineno].cursor = 0;
     lines[lineno].events.clear();
@@ -119,10 +132,17 @@ const char *p;
         lines[lineno].events.push_back(event);
       }
     }
+    event.type = EVENT_JUMP;
+    event.time = t * millis_per_slot;
+    event.new_cursor = 0;
+    lines[lineno].events.push_back(event);
+
   }
 
   for(lineno = 0; lineno < LINES_NUM; ++lineno)
     lines[lineno].next_event = lines[lineno].events.begin();
+    
+  interrupts();
 }
 
 void setup()