// Deals with the messy details of incrementing an integer
-uint8_t increment( uint8_t value, uint8_t step, uint8_t min, uint8_t max ) {
+static uint8_t increment( uint8_t value, uint8_t step, uint8_t min, uint8_t max ) {
int16_t new_value = value;
new_value += step;
return MIN( MAX( new_value, min ), max );
}
-uint8_t decrement( uint8_t value, uint8_t step, uint8_t min, uint8_t max ) {
+static uint8_t decrement( uint8_t value, uint8_t step, uint8_t min, uint8_t max ) {
int16_t new_value = value;
new_value -= step;
return MIN( MAX( new_value, min ), max );