Diff: MIDI.cpp

Revision:

11:62da91a1eaf1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MIDI.cpp	Mon Dec 29 12:48:44 2014 +0000
@@ -0,0 +1,138 @@
+#include "MIDI.h"
+
+char sysexData[128];
+
+void getMIDIMessage()
+{
+    unsigned char st = midis.getc();
+    switch(st >> 4) {
+        case 0x8:
+            midiNoteOff(st & 0xf, midis.getc(), midis.getc());
+            break;
+        case 0x9:
+            midiNoteOn(st & 0xf, midis.getc(), midis.getc());
+            break;
+        case 0xa:
+            midiPolyphonicKeyPressure(st & 0xf, midis.getc(), midis.getc());
+            break;
+        case 0xb:
+            char b2 = midis.getc();
+            if (b2 >= 120) {
+                midiChannelMode(st & 0xf, b2, midis.getc());
+            } else {
+                midiControlChange(st & 0xf, b2, midis.getc());
+            }
+            break;
+        case 0xc:
+            midiProgramChange(st & 0xf, midis.getc());
+            break;
+        case 0xd:
+            midiChannelPressure(st & 0xf, midis.getc());
+            break;
+        case 0xe:
+            char LSB = midis.getc();
+            char MSB = midis.getc();
+            midiPitchBend(st & 0xf, ((LSB << 7) | (MSB << 7)) + 8192);
+            break;
+        case 0xf:
+            int t2 = st & 0xf;
+            if (t2 <= 7) {
+                getMIDISystemCommonMessage(t2);
+            } else {
+                midiSystemRealtimeMessage(st);
+            }
+            break;
+    }
+}
+
+void getMIDISystemCommonMessage(char t2)
+{
+    switch(t2) {
+        case 0:
+            //もう面倒臭いから128byteのバッファに適当に放り込んでおこう
+            sysexData[0] = 0xf0;
+            int i = 1;
+            char d = 0;
+            do {
+                d = midis.getc();
+                sysexData[i]=d;
+                i++;
+            } while(d != 0xf7);
+
+            break;
+        case 1:
+            midis.getc();
+            break;
+        case 2:
+            midis.getc();
+            midis.getc();
+            break;
+        case 3:
+            midis.getc();
+            break;
+        case 4:
+            break;
+        case 5:
+            break;
+        case 6:
+            break;
+        case 7:
+            //どうしろと
+            break;
+    }
+}
+
+void midiSystemRealtimeMessage(char mes)
+{
+
+}
+
+
+void midiNoteOn(char ch, char note, char vel)
+{
+    if (vel==0) {
+        globalrelease((ch<<8)|note);
+    } else {
+        globalattack((ch<<8)|note,vel);
+    }
+}
+
+void midiNoteOff(char ch, char note, char vel)
+{
+    globalrelease((ch<<8)|note);
+}
+
+void midiPolyphonicKeyPressure(char ch, char note, char vel)
+{
+
+}
+
+void midiControlChange(char ch, char ctrl, char data)
+{
+
+}
+
+void midiChannelMode(char ch, char ctrl, char data)
+{
+
+}
+
+void midiProgramChange(char ch, char prg)
+{
+
+}
+
+void midiChannelPressure(char ch, char pres)
+{
+
+}
+
+void midiPitchBend(char ch, short pb)
+{
+
+}
+
+void midiSystemExclusiveMessage()
+{
+
+}
\ No newline at end of file