X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=usb%2Fcore%2Fcore.c;h=89d3f69c1a5e11a04e75c17319234aa40dfba62c;hb=4bdf4447cdcbb235dc4d22a9c7ec2b481df1156b;hp=e3dffb24e4102e8f45259f139c58c5aa66d89af8;hpb=251726c276ab844095583d4c8d7607a30c0a802c;p=ppcskel.git

diff --git a/usb/core/core.c b/usb/core/core.c
index e3dffb2..89d3f69 100644
--- a/usb/core/core.c
+++ b/usb/core/core.c
@@ -100,14 +100,34 @@ usb_device *usb_add_device()
 	dev->epTogl[2] = 0;
 
 	char buf[64];
-	u8 devdescr_size;
-	u8 address = usb_next_address();
 
 	/* ask first 8 bytes of device descriptor with this special 
 	 * GET Descriptor Request, when device address = 0
 	 */
-	usb_control_msg(dev, 0x80, GET_DESCRIPTOR, 1, 0, 64, buf, 8, 0);
 
+	/*
+	 * see page 253 in usb_20.pdf
+	 * 
+	 * bmRequestType = 0x80 = 10000000B
+	 * bRequest = GET_DESCRIPTOR
+	 * wValue = DEVICE (Descriptor Type)
+	 * wIndex = 0
+	 * wLength = 8 (in Bytes!?)
+	 */
+	usb_control_msg(dev, 0x80, GET_DESCRIPTOR, DEVICE, 0, 8, buf, 8, 0);
+
+	/* 
+	 * length (here =64) should be "number of byte to transfer", not 
+	 * (as here) "number of bits to transfer.
+	 * ?
+	 */
+	//usb_control_msg(dev, 0x80, GET_DESCRIPTOR, 1, 0, 64, buf, 8, 0);
+	printf("===========\nafter usb control msg:\n");
+	hexdump(buf, sizeof(buf));
+
+#if 0
+	u8 devdescr_size;
+	u8 address = usb_next_address();
 	dev->bMaxPacketSize0 = (u8) buf[7] ? (u8) buf[7] : 1; //dirty?	/* setup real ep0 fifo size */
 	devdescr_size = (u8) buf[0];	/* save real length of device descriptor */
 
@@ -155,6 +175,7 @@ usb_device *usb_add_device()
 	list_add_tail(core.devices, tmp);
 
 	usb_probe_driver();
+#endif
 
 	return dev;
 }
@@ -424,6 +445,7 @@ usb_transfer_descriptor *usb_create_transfer_descriptor(usb_irp * irp)
 	td->endpoint = irp->endpoint;
 	td->iso = 0;
 	td->state = USB_TRANSFER_DESCR_NONE;
+	td->maxp = irp->epsize;
 
 	return td;
 }