Changeset aaff605 in mainline

Timestamp:

2011-03-21T15:35:29Z (13 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

a90fc0c

Parents:

7102aa5

Message:

Add usb_str_speed() function

Location:

uspace/lib/usb

Files:

• include/usb/usb.h (modified) (1 diff)
• src/usb.c (modified) (2 diffs)

uspace/lib/usb/include/usb/usb.h

@@ -78 +78 @@
         USB_SPEED_HIGH
 } usb_speed_t;
+
+const char *usb_str_speed(usb_speed_t);
+
 
 /** USB request type target. */

uspace/lib/usb/src/usb.c

@@ -36 +36 @@
 #include <errno.h>
 
+static const char *str_speed[] = {
+        "low",
+        "full",
+        "high"
+};
+static size_t str_speed_size = sizeof(str_speed)/sizeof(str_speed[0]);
 
 /** String representation for USB transfer type.
@@ -58 +64 @@
 }
 
+/** String representation of USB speed.
+ *
+ * @param s The speed.
+ * @return USB speed as a string (in English).
+ */
+const char *usb_str_speed(usb_speed_t s)
+{
+        if (s >= str_speed_size) {
+                return "invalid";
+        }
+        return str_speed[s];
+}
+
 /**
  * @}