Prevent buffer overrun internally

Author: cujomalainey

src/MainClasses/ANTPLUS_AntPlusRouter.cpp

@@ -64,7 +64,8 @@ void AntPlusRouter::setAntPlusNetworkKey(const uint8_t* key) {
 
 void AntPlusRouter::setProfile(uint8_t channel, BaseProfile* profile) {
     // restrict user to maximum number of channels
-    // channel = min(channel, _maxChannels - 1); TODO, wait till we set this
+    if (channel >= ANTPLUS_MAX_CHANNELS_POSSIBLE)
+        return;
     // TODO close channel to make sure it hasn't been randomly replaced
     _profiles[channel] = profile;
     profile->setRouter(this);