Usb Stack: only setup packet handling, and not enabled by default as there is a lot to do.

* settings code is not fully ready -> changing device driver has no effect
* clean ups
* check copyriths
* find a way to detect IN transfers
* support for full and highspeed
* ...




git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14470 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 125 insertions, 0 deletions

diff --git a/firmware/usbstack/core/utils.c b/firmware/usbstack/core/utils.c
new file mode 100644
index 0000000..2fb2695
--- /dev/null
+++ b/firmware/usbstack/core/utils.c
@@ -0,0 +1,125 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: $
+ *
+ * Copyright (C) 2007 by Christian Gmeiner
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <string.h>
+#include "usbstack/core.h"
+
+void into_usb_ctrlrequest(struct usb_ctrlrequest* request) {
+
+	char* type = "";
+	char* req = "";
+	char* extra = 0;
+	
+	logf("-usb request-");
+    /* check if packet is okay */
+	if (request->bRequestType == 0 &&
+        request->bRequest == 0 &&
+        request->wValue == 0 &&
+        request->wIndex == 0 &&
+        request->wLength == 0) {
+        logf(" -> INVALID <-");
+        return;
+	}	
+	
+    switch (request->bRequestType & USB_TYPE_MASK) {
+	case USB_TYPE_STANDARD:
+		type = "standard";
+		
+        switch (request->bRequest) {
+        case USB_REQ_GET_STATUS:
+        	req  = "get status";
+            break;
+        case USB_REQ_CLEAR_FEATURE:
+        	req = "clear feature";
+            break;
+        case USB_REQ_SET_FEATURE:
+        	req = "set feature";
+            break;
+        case USB_REQ_SET_ADDRESS:
+        	req = "set address";
+            break;
+        case USB_REQ_GET_DESCRIPTOR:
+        	req = "get descriptor";
+        	
+    		switch (request->wValue >> 8) {
+    		case USB_DT_DEVICE:
+    			extra = "get device descriptor";
+    			break;
+    		case USB_DT_DEVICE_QUALIFIER:
+    			extra = "get device qualifier";
+    			break;
+    		case USB_DT_OTHER_SPEED_CONFIG:
+    			extra = "get other-speed config descriptor";
+    		case USB_DT_CONFIG:
+    			extra = "get configuration descriptor";
+    			break;
+    		case USB_DT_STRING:
+    			extra = "get string descriptor";
+    			break;
+    		case USB_DT_DEBUG:
+    			extra = "debug";
+    			break;
+    		}
+    		break;        	
+        	
+            break;
+        case USB_REQ_SET_DESCRIPTOR:
+        	req = "set descriptor";
+            break;
+        case USB_REQ_GET_CONFIGURATION:
+        	req = "get configuration";
+            break;
+        case USB_REQ_SET_CONFIGURATION:
+        	req = "set configuration";
+            break;
+        case USB_REQ_GET_INTERFACE:
+        	req = "get interface";
+            break;
+        case USB_REQ_SET_INTERFACE:
+        	req = "set interface";
+            break;
+        case USB_REQ_SYNCH_FRAME:
+        	req = "sync frame";
+            break;
+        default:
+        	req = "unkown";
+        	break;
+        }
+
+        break;
+    case USB_TYPE_CLASS:
+    	type = "class";
+        break;
+
+    case USB_TYPE_VENDOR:
+    	type = "vendor";
+        break;
+    }
+        
+    logf(" -b 0x%x", request->bRequestType);
+    logf(" -b 0x%x", request->bRequest);
+    logf(" -b 0x%x", request->wValue);
+    logf(" -b 0x%x", request->wIndex);
+    logf(" -b 0x%x", request->wLength);
+    logf(" -> t: %s", type);
+    logf(" -> r: %s", req);
+    if (extra != 0) {
+    	logf(" -> e: %s", extra);
+    }
+}