Changeset e160da4d in mainline for uspace/app/usbinfo/info.c

Timestamp:

2011-03-17T21:11:52Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

da77278

Parents:

81ca204

Message:

Add printing of descriptor tree to usbinfo

File:

• uspace/app/usbinfo/info.c (modified) (2 diffs)

uspace/app/usbinfo/info.c

@@ -40 +40 @@
 #include <usb/recognise.h>
 #include <usb/request.h>
+#include <usb/classes/classes.h>
 #include "usbinfo.h"
 
@@ -56 +57 @@
             &dev->device_descriptor, &matches);
         dump_match_ids(&matches, get_indent(0));
+}
+
+static void dump_descriptor_tree_brief_device(const char *prefix,
+    usb_standard_device_descriptor_t *descriptor)
+{
+        printf("%sDevice (0x%04x by 0x%04x, %s)\n", prefix,
+            (int) descriptor->product_id,
+            (int) descriptor->vendor_id,
+            usb_str_class(descriptor->device_class));
+}
+
+static void dump_descriptor_tree_brief_configuration(const char *prefix,
+    usb_standard_configuration_descriptor_t *descriptor)
+{
+        printf("%sConfiguration #%d\n", prefix,
+            (int) descriptor->configuration_number);
+}
+
+static void dump_descriptor_tree_brief_interface(const char *prefix,
+    usb_standard_interface_descriptor_t *descriptor)
+{
+        printf("%sInterface #%d (%s, 0x%02x, 0x%02x)\n", prefix,
+            (int) descriptor->interface_number,
+            usb_str_class(descriptor->interface_class),
+            (int) descriptor->interface_subclass,
+            (int) descriptor->interface_protocol);
+}
+
+static void dump_descriptor_tree_brief_endpoint(const char *prefix,
+    usb_standard_endpoint_descriptor_t *descriptor)
+{
+        usb_endpoint_t endpoint_no = descriptor->endpoint_address & 0xF;
+        usb_transfer_type_t transfer = descriptor->attributes & 0x3;
+        usb_direction_t direction = descriptor->endpoint_address & 0x80
+            ? USB_DIRECTION_IN : USB_DIRECTION_OUT;
+        printf("%sEndpoint #%d (%s %s, %zu)\n", prefix,
+            endpoint_no, usb_str_transfer_type(transfer),
+            direction == USB_DIRECTION_IN ? "in" : "out",
+            (size_t) descriptor->max_packet_size);
+}
+
+
+static void dump_descriptor_tree_brief_callback(uint8_t *descriptor,
+    size_t depth, void *arg)
+{
+        const char *indent = get_indent(depth);
+
+        int descr_type = -1;
+        size_t descr_size = descriptor[0];
+        if (descr_size > 0) {
+                descr_type = descriptor[1];
+        }
+
+        switch (descr_type) {
+
+#define _BRANCH(type_enum, descriptor_type, callback) \
+        case type_enum: \
+                if (descr_size >= sizeof(descriptor_type)) { \
+                        callback(indent, (descriptor_type *) descriptor); \
+                } else { \
+                        descr_type = -1; \
+                } \
+                break;
+
+                _BRANCH(USB_DESCTYPE_DEVICE,
+                    usb_standard_device_descriptor_t,
+                    dump_descriptor_tree_brief_device);
+                _BRANCH(USB_DESCTYPE_CONFIGURATION,
+                    usb_standard_configuration_descriptor_t,
+                    dump_descriptor_tree_brief_configuration);
+                _BRANCH(USB_DESCTYPE_INTERFACE,
+                    usb_standard_interface_descriptor_t,
+                    dump_descriptor_tree_brief_interface);
+                _BRANCH(USB_DESCTYPE_ENDPOINT,
+                    usb_standard_endpoint_descriptor_t,
+                    dump_descriptor_tree_brief_endpoint);
+
+                default:
+                        break;
+        }
+
+        if (descr_type == -1) {
+                printf("%sInvalid descriptor.\n", indent);
+        }
+}
+
+void dump_descriptor_tree_brief(usbinfo_device_t *dev)
+{
+        dump_descriptor_tree_brief_callback((uint8_t *)&dev->device_descriptor,
+            0, NULL);
+        browse_descriptor_tree(dev->full_configuration_descriptor,
+            dev->full_configuration_descriptor_size,
+            usb_dp_standard_descriptor_nesting,
+            dump_descriptor_tree_brief_callback,
+            1,
+            NULL);
 }