Fix No

examples/PoolBox/application/src/application.cpp

@@ -31,7 +31,7 @@ struct XAPlayer {
     }
 
     void change_channel(int8_t step) {
-        this->channel = (this->channel + step)%MaxChannels;
+        this->channel = static_cast<uint8_t>((this->channel + step))%MaxChannels;
         CDXA::set_channel(this->channel);
     }