(void)analogRead(A15);
int sv0 = analogRead(A15);
Could just be
int sv0 = analogRead(A15); // dummy read
sv0 = analogRead(A15); // da real one
Leo..
(void)analogRead(A15);
int sv0 = analogRead(A15);
Could just be
int sv0 = analogRead(A15); // dummy read
sv0 = analogRead(A15); // da real one
Leo..