more configuration

sound-driver/config.c

@@ -1,19 +1,26 @@
 #include <stdint.h>
+#include <sys/param.h>
 #include "config.h"
 
 
 typedef struct {
-  uint8_t amplitude;
+  uint8_t melodyAmplitude;
+  uint8_t effectsAmplitude;
 } config_t;
 
 config_t config;
 
 
 void configSetAmplitude(uint8_t v) {
-  config.amplitude = v;
+  config.melodyAmplitude = MIN(v, 15);
+  config.effectsAmplitude = MIN(v+4, 15);
 }
 
-uint8_t configGetAmplitude() {
-  return config.amplitude;
+uint8_t *configGetMelodyAmplitudePtr() {
+  return &(config.melodyAmplitude);
+}
+
+uint8_t *configGetEffectsAmplitudePtr() {
+  return &(config.effectsAmplitude);
 }