Add a voice counter

1 files changed, 18 insertions, 12 deletions

diff --git a/src/app.c b/src/app.c
index 013025c..9258965 100644
--- a/src/app.c
+++ b/src/app.c
@@ -32,6 +32,10 @@
 
 #include "app.h"
 
+// Housekeeping and debugging.
+u16 frame = 0;
+u16 value = 0;
+
 // store ADC frame pointer
 static const u16 *g_ADC = 0;
 
@@ -155,6 +159,11 @@ app_midi_event(u8 port, u8 status, u8 d1, u8 d2) {
     if (port == DINMIDI) {
         hal_send_midi(USBMIDI, status, d1, d2);
     }
+    if ((status & 0xF0) == NOTEON) {
+        value++;
+    } else if ((status & 0xF0) == NOTEOFF) {
+        value--;
+    }
 }
 
 void
@@ -192,20 +201,17 @@ print_number(u8 n, u16 r, u16 g, u16 b, u8 x, u8 y) {
     }
 }
 
-u16 frame = 0;
-u16 value = 0;
-
 void
 update(void) {
-    for (int i = 0; i < PAD_COUNT; ++i) {
-        // Get the first detected button value.
-                u16 x = (99 * g_ADC[i]) >> 12;
-        if (x > 3) {
-            value = x;
-            return;
-        }
-    }
-    value = 0;
+    // for (int i = 0; i < PAD_COUNT; ++i) {
+    //     // Get the first detected button value.
+                // u16 x = (99 * g_ADC[i]) >> 12;
+    //     if (x > 3) {
+    //         value = x;
+    //         return;
+    //     }
+    // }
+    // value = 0;
 }
 
 void