added lsusb and some more config stuff. except of some (simple) setter
[ppcskel.git] / usb / core / usb.c
index fd47cdc538b74703314388dc9cf845c440229394..6a7562e60a90afdbe84b46ffc3331e59dfed2586 100644 (file)
 #include "../../malloc.h"
 #include "../../string.h"
 
-#define cleargbuf() memset(gbuf, 0, 0xff)
+#define cleargbuf() memset(gbuf, 0, 0xffff)
 /* internal global buffer */
-static u8 gbuf[0xff];
-
+static u8 gbuf[0xffff];
 
 /******************* Device Operations **********************/
-
 /**
  * Open a device with verndor- and product-id for a communication.
  */
@@ -160,9 +158,7 @@ char *usb_get_string_simple(struct usb_device *dev, u8 index)
        u16 i;
        for(i=0; i<(gbuf[0]/2)-1; i++) {
                str[i] = gbuf[2+(i*2)];
-               printf("%c", str[i]);
        }
-       printf("\n");
 
        return str;
 }
@@ -205,23 +201,33 @@ s8 usb_get_desc_dev(struct usb_device *dev)
        dev->iSerialNumber = gbuf[16];
        dev->bNumConfigurations = gbuf[17];
 
+       u8 i;
+       struct usb_conf *conf = dev->conf = (struct usb_conf*) malloc(sizeof(struct usb_conf));
+       for(i=0; i <= dev->bNumConfigurations; i++) {
+               if(i!=0) {
+                       conf = (struct usb_conf*) malloc(sizeof(struct usb_conf));
+               }
+               usb_get_desc_config_ext(dev, i, conf);
+       }
+
        return 0;
 }
 
-s8 usb_get_desc_configuration(struct usb_device *dev, u8 index)
+s8 usb_get_desc_configuration(struct usb_device *dev, u8 index, struct usb_conf *conf)
 {
        cleargbuf();
        usb_get_descriptor(dev, CONFIGURATION, index, gbuf, 8);
        usb_get_descriptor(dev, CONFIGURATION, index, gbuf, gbuf[0]);
 
-       dev->conf->bLength = gbuf[0];
-       dev->conf->bDescriptorType = gbuf[1];
-       dev->conf->wTotalLength = (u16) (gbuf[3] << 8 | gbuf[2]);
-       dev->conf->bNumInterfaces = gbuf[4];
-       dev->conf->bConfigurationValue = gbuf[5];
-       dev->conf->iConfiguration = gbuf[6];
-       dev->conf->bmAttributes = gbuf[7];
-       dev->conf->bMaxPower = gbuf[8];
+       conf->bLength = gbuf[0];
+       conf->bDescriptorType = gbuf[1];
+       conf->wTotalLength = (u16) (gbuf[3] << 8 | gbuf[2]);
+       conf->bNumInterfaces = gbuf[4];
+       conf->bConfigurationValue = gbuf[5];
+       conf->iConfiguration = gbuf[6];
+       conf->bmAttributes = gbuf[7];
+       conf->bMaxPower = gbuf[8];
+       conf->intf = NULL;
 
        return 0;
 }
@@ -230,12 +236,56 @@ s8 usb_get_desc_configuration(struct usb_device *dev, u8 index)
  * INTERFACE(s) and ENDPOINT(s)
  * usb_get_desc_configuration() must be called for this device before
  */
-s8 usb_get_desc_config_ext(struct usb_device *dev, u8 index) {
+s8 usb_get_desc_config_ext(struct usb_device *dev, u8 index, struct usb_conf *conf)
+{
        cleargbuf();
 
-       usb_get_desc_configuration(dev, index);
+       usb_get_desc_configuration(dev, index, conf);
        usb_get_descriptor(dev, CONFIGURATION, index, gbuf, dev->conf->wTotalLength);
 
+       u8 i,j,off=9;
+       struct usb_intf *ifs = dev->conf->intf = (struct usb_intf*) malloc(sizeof(struct usb_intf));
+       for(i=1; i <= dev->conf->bNumInterfaces; i++) {
+               if(i!=1) {
+                       ifs->next = (struct usb_intf*) malloc(sizeof(struct usb_intf));
+                       ifs = ifs->next;
+               }
+               ifs->bLength = gbuf[off+0];
+               ifs->bDescriptorType = gbuf[off+1];
+               ifs->bInterfaceNumber = gbuf[off+2];
+               ifs->bAlternateSetting = gbuf[off+3];
+               ifs->bNumEndpoints = gbuf[off+4];
+               ifs->bInterfaceClass = gbuf[off+5];
+               ifs->bInterfaceSubClass = gbuf[off+6];
+               ifs->bInterfaceProtocol = gbuf[off+7];
+               ifs->iInterface = gbuf[off+8];
+
+               off += 9;
+
+               struct usb_endp *ep = ifs->endp = (struct usb_endp*) malloc(sizeof(struct usb_endp));
+               for(j=1; j <= ifs->bNumEndpoints; j++) {
+                       /* skip HID Device Descriptor (see lsusb) */
+                       if(gbuf[off+1] == 33) {
+                               j--;
+                               off += 9;
+                               continue;
+                       }
+
+                       if(j!=1) {
+                               ep->next = (struct usb_endp*) malloc(sizeof(struct usb_endp));
+                               ep = ep->next;
+                       }
+
+                       ep->bLength = gbuf[off+0];
+                       ep->bDescriptorType = gbuf[off+1];
+                       ep->bEndpointAddress = gbuf[off+2];
+                       ep->bmAttributes = gbuf[off+3];
+                       ep->wMaxPacketSize = (u16) ((gbuf[off+5] << 8) | (gbuf[off+4]));
+                       ep->bInterval = gbuf[off+6];
+
+                       off += 7;
+               }
+       }
 
        printf("=============\nafter usb_get_desc_config_ext:\n");
        hexdump((void*) gbuf, dev->conf->wTotalLength);