Changeset 2c24983 in mainline for uspace/lib/usb/include/usb/classes/hub.h

Timestamp:

2013-12-31T07:42:31Z (10 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

6297465

Parents:

1760556

Message:

libusb: Add USB 2.0 hub descriptor fields

File:

• uspace/lib/usb/include/usb/classes/hub.h (modified) (4 diffs)

uspace/lib/usb/include/usb/classes/hub.h

@@ -76 +76 @@
         /** Characteristics bitmask.
          *
-         *  D1...D0: Logical Power Switching Mode
+         *  D1..D0: Logical Power Switching Mode
          *  00: Ganged power switching (all ports power at
          *  once)
@@ -85 +85 @@
          *  0: Hub is not part of a compound device
          *  1: Hub is part of a compound device
-         *  D4...D3: Over-current Protection Mode
+         *  D4..D3: Over-current Protection Mode
          *  00: Global Over-current Protection. The hub
          *  reports over-current as a summation of all
@@ -96 +96 @@
          *  allowed only for bus-powered hubs that do not
          *  implement over-current protection.
-         *  D15...D5: Reserved
+         *  D6..D5: TT think time
+         *  00: At most 8 FS bit times
+         *  01: At most 16 FS bit times
+         *  10: At most 24 FS bit times
+         *  11: At most 32 FS bit times
+         *  D7: Port indicators
+         *  0: Not supported
+         *  1: Supported
+         *  D15...D8: Reserved
          */
         uint8_t characteristics;
@@ -104 +112 @@
 #define HUB_CHAR_OC_PER_PORT_FLAG       (1 << 3)
 #define HUB_CHAR_NO_OC_FLAG             (1 << 4)
+#define HUB_CHAR_TT_THINK_16            (1 << 5)
+#define HUB_CHAR_TT_THINK_8             (1 << 6)
+#define HUB_CHAR_INDICATORS_FLAG        (1 << 7)
 
         /** Unused part of characteristics field */