midi write state

src/midi.c

@@ -1,7 +1,6 @@
 #include <GLFW/glfw3.h>
 #include <alsa/asoundlib.h>
 
-#include "config.h"
 #include "log.h"
 #include "types.h"
 
@@ -21,19 +20,19 @@ MidiDevice midi_open(char *name) {
   return device;
 }
 
-void midi_write(MidiDevice device, unsigned char code, float value) {
+void midi_write(MidiDevice device, unsigned char code, unsigned char value) {
   unsigned char buffer[3];
 
   buffer[0] = 0xB0;
   buffer[1] = code;
-  buffer[2] = (unsigned char)(128 * value);
+  buffer[2] = value;
 
   snd_rawmidi_write(device.output, buffer, 3);
 }
 
 bool midi_background_listen(MidiDevice device, SharedContext *context,
                             void (*event_callback)(unsigned char code,
-                                                   float value)) {
+                                                   unsigned char value)) {
   pid_t pid;
   int bytes_read;
   unsigned char buffer[3];
@@ -51,7 +50,7 @@ bool midi_background_listen(MidiDevice device, SharedContext *context,
   while (!context->stop) {
     bytes_read = snd_rawmidi_read(device.input, buffer, 3);
     if (bytes_read == 3) {
-      event_callback(buffer[1], (float)buffer[2] / 256.0);
+      event_callback(buffer[1], buffer[2]);
     }
   }