Changeset 56e9fb0 in mainline for uspace/lib/usb

Timestamp:

2011-09-14T18:52:40Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

365e29e2

Parents:

8e3d17f

Message:

usb: add support for packing target_t type into uint32_t

Location:

uspace/lib/usb/include/usb

Files:

• hc.h (modified) (1 diff)
• usb.h (modified) (3 diffs)

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

@@ -62 +62 @@
     devman_handle_t *);
 
-int usb_hc_get_address_by_handle(devman_handle_t);
+usb_address_t usb_hc_get_address_by_handle(devman_handle_t);
 
 int usb_hc_find(devman_handle_t, devman_handle_t *);

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

@@ -106 +106 @@
  * Negative values could be used to indicate error.
  */
-typedef int usb_address_t;
+typedef int16_t usb_address_t;
 
 /** Default USB address. */
@@ -116 +116 @@
  * Negative values could be used to indicate error.
  */
-typedef int usb_endpoint_t;
+typedef int16_t usb_endpoint_t;
 
 /** Maximum endpoint number in USB 1.1.
@@ -126 +126 @@
  * Pair address + endpoint is identification of transaction recipient.
  */
-typedef struct {
-        usb_address_t address;
-        usb_endpoint_t endpoint;
+typedef union {
+        struct {
+                usb_address_t address;
+                usb_endpoint_t endpoint;
+        } __attribute__((packed));
+        uint32_t packed;
 } usb_target_t;