Changeset 5079242 in mainline for uspace/drv/usbhid/hidreq.c

Timestamp:

2011-03-06T00:15:00Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

40a5d40

Parents:

eae83aa (diff), d20f211 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Development branch changes

File:

• uspace/drv/usbhid/hidreq.c (modified) (1 diff)

uspace/drv/usbhid/hidreq.c

@@ -143 +143 @@
 /*----------------------------------------------------------------------------*/
 
+int usbhid_req_set_idle(usbhid_dev_t *hid_dev, uint8_t duration)
+{
+        if (hid_dev == NULL) {
+                usb_log_error("usbhid_req_set_idle(): no HID device "
+                    "structure given.\n");
+                return EINVAL;
+        }
+        
+        /*
+         * No need for checking other parameters, as they are checked in
+         * the called function (usb_control_request_set()).
+         */
+        
+        int rc, sess_rc;
+        
+        sess_rc = usb_endpoint_pipe_start_session(&hid_dev->ctrl_pipe);
+        if (sess_rc != EOK) {
+                usb_log_warning("Failed to start a session: %s.\n",
+                    str_error(sess_rc));
+                return sess_rc;
+        }
+
+        usb_log_debug("Sending Set_Idle request to the device ("
+            "duration: %u, iface: %d).\n", duration, hid_dev->iface);
+        
+        uint16_t value = duration << 8;
+        
+        rc = usb_control_request_set(&hid_dev->ctrl_pipe, 
+            USB_REQUEST_TYPE_CLASS, USB_REQUEST_RECIPIENT_INTERFACE, 
+            USB_HIDREQ_SET_IDLE, value, hid_dev->iface, NULL, 0);
+
+        sess_rc = usb_endpoint_pipe_end_session(&hid_dev->ctrl_pipe);
+
+        if (rc != EOK) {
+                usb_log_warning("Error sending output report to the keyboard: "
+                    "%s.\n", str_error(rc));
+                return rc;
+        }
+
+        if (sess_rc != EOK) {
+                usb_log_warning("Error closing session: %s.\n",
+                    str_error(sess_rc));
+                return sess_rc;
+        }
+        
+        return EOK;
+}
+
+/*----------------------------------------------------------------------------*/
+
 /**
  * @}