Define some more headers regardin slave search

Author: cujomalainey

src/BaseClasses/ANTPLUS_BaseSlaveProfile.h

@@ -11,10 +11,41 @@ class BaseSlaveProfile : public BaseProfile {
 
  /**
  * Pass in a pointer to an array uint16_t[ANTPLUS_MAX_CHANNELS_POSSIBLE]
+ * Starts a search for all devices configured with this profle
+ * This will disrupt all other channels to do the search, therefore you will have to
+ * call start() on all registered profiles.
+ * This is a blocking method, see backgroundDeviceSearch for a non-blocking variation.
  *
- * Any non-0 entry after the function returned is a nearby device
+ * returns the number of the ids filled.
  */
  uint8_t searchForDevices(uint16_t* buffer);
+
+ /**
+ * Pass in a pointer to an array uint16_t[ANTPLUS_MAX_CHANNELS_POSSIBLE]
+ * Start a non-blocking search for the following device profile.
+ * This will disrupt all other channels to do the search, therefore you will have to
+ * call start() on all registered profiles.
+ */
+ void backgroundDeviceSearch(uint16_t* buffer);
+
+ /**
+ * Check the status of the backgroundDeviceSearch.
+ */
+ uint8_t backgroundDeviceSearchStatus();
+
+ /**
+ * Call this to determine the number of devices found using backgroundDeviceSearch.
+ * This can be called before the search is completed.
+ */
+ uint8_t backgroundDeviceSearchNumberDevices();
+
+ /**
+ * TODO
+ *
+ * Register a callback method for when backgroundDeviceSearch completes.
+ */
+ void backgroundDeviceSearchCallback();
+
  /**
  * Will return once the device either pairs or timesout its search
  */