Diff: USBMIDI.cpp

Revision:

1:ff74eabe02cd

Child:

2:10d694d6ccdc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBMIDI.cpp	Sun Feb 20 13:10:05 2011 +0000
@@ -0,0 +1,60 @@
+/** @license The MIT License
+ * Copyright (c) 2011 mux, simon
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *  
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *  
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "USBMIDI.h"
+
+#include "mbed.h"
+#include "usbcore.h"
+
+static void (*midi_evt)(MIDIMessage) = NULL;
+
+USBMIDI::USBMIDI() {
+    usb_init();
+    usb_connect();
+    while (!usb_configured());  
+}
+
+void USBMIDI::write(MIDIMessage m) {
+    while (!writeable());
+    ep_write(EP5, m.data, 4);
+}
+
+bool USBMIDI::writeable() {
+    return (bool)ep_writable(EP5);
+}
+
+void USBMIDI::attach(void (*fptr)(MIDIMessage)) {
+    midi_evt = fptr;
+}
+
+void ep2_in() {}
+
+void ep2_out() {    
+    uint8_t buf[MAX_EPn_PSIZE];
+    int len = ep_read(EP4, buf);
+    
+    if (midi_evt != NULL) {
+        for(int i=0; i<len; i+=4){
+            midi_evt(MIDIMessage(buf+i));
+        }
+    }
+}