Fix how midi data is sent over i2c

AmigaPorts · Apr 6, 2023 · 3b90b22 · 3b90b22
1 parent 6d85617
commit 3b90b22
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Showing 2 changed files with 7 additions and 5 deletions.
diff --git a/src/camd-i2c.c b/src/camd-i2c.c
@@ -38,19 +38,21 @@ struct PortInfo pi;
 
 void ActivateXmit(APTR userdata asm("a2"), ULONG portnum asm("d0")) {
 	ULONG b;
+	UWORD length = 0;
+	UBYTE midiData[256];
 	while ( (b = pi.Transmit(userdata)) != 0x100 ) {
 		if ((b & 0x00008100) == 0x0000 ) {
-			UBYTE midiData = b & 0xFF;
-			ULONG result = SendI2C(iobase, 1, &midiData);
-			if ((result & 0xFF) != 0 )
-				break;
+			midiData[length] = b & 0xFF;
+			length++;
 		}
 
 		if ((!CAMDv40 && (b & 0x00ff0000) != 0) ||
 			(b & 0x00008100) != 0 ) {
 			break;
 		}
 	}
+	if (length > 0)
+		SendI2C(iobase, length, midiData);
 }
 
 struct MidiPortData MidiPortData =

diff --git a/src/main.c b/src/main.c
@@ -28,7 +28,7 @@
 #define NUMPORTS 1
 
 /*    Prototypes    */
-extern APTR Init(struct ExecBase *SysBase asm("a6"));
+extern BOOL Init(struct ExecBase *SysBase asm("a6"));
 
 extern void Expunge(void);