Changeset c19329a in mainline

Timestamp:

2011-04-10T10:51:27Z (13 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

6ee6e6f

Parents:

1c258d1

Message:

Add usb_request_clear_endpoint_halt()

Location:

uspace/lib/usb

Files:

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

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

@@ -50 +50 @@
 /** USB endpoint status - endpoint is halted (stalled). */
 #define USB_ENDPOINT_STATUS_HALTED ((uint16_t)(1 << 0))
+
+/** USB feature selector - endpoint halt (stall). */
+#define USB_FEATURE_SELECTOR_ENDPOINT_HALT (0)
+
+/** USB feature selector - device remote wake-up. */
+#define USB_FEATURE_SELECTOR_REMOTE_WAKEUP (1)
 
 /** Standard device request. */
@@ -135 +141 @@
     char **);
 
+int usb_request_clear_endpoint_halt(usb_pipe_t *, uint16_t);
+
 #endif
 /**

uspace/lib/usb/src/request.c

@@ -871 +871 @@
 }
 
+/** Clear halt bit of an endpoint pipe (after pipe stall).
+ *
+ * @param pipe Control pipe.
+ * @param ep_index Endpoint index (in native endianness).
+ * @return Error code.
+ */
+int usb_request_clear_endpoint_halt(usb_pipe_t *pipe, uint16_t ep_index)
+{
+        return usb_request_clear_feature(pipe,
+            USB_REQUEST_TYPE_STANDARD, USB_REQUEST_RECIPIENT_ENDPOINT,
+            uint16_host2usb(USB_FEATURE_SELECTOR_ENDPOINT_HALT),
+            uint16_host2usb(ep_index));
+}
+
 /**
  * @}