X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/ee744abb7efd5fef49782991d58895e10696809a..e57e08c67237cf73d28afac7f672ec1e74ec308d:/LUFA/Drivers/USB/Class/Device/HID.h

diff --git a/LUFA/Drivers/USB/Class/Device/HID.h b/LUFA/Drivers/USB/Class/Device/HID.h
index e3f091bfb..a3e3b8584 100644
--- a/LUFA/Drivers/USB/Class/Device/HID.h
+++ b/LUFA/Drivers/USB/Class/Device/HID.h
@@ -60,6 +60,10 @@
 			/** Class state structure. An instance of this structure should be made for each HID interface
 			 *  within the user application, and passed to each of the HID class driver functions as the
 			 *  HIDInterfaceInfo parameter. This stores each HID interface's configuration and state information.
+			 *
+			 *  \note Due to technical limitations, the HID device class driver does not utilize a seperate OUT
+			 *        endpoint for host->device communications. Instead, the host->device data (if any) is sent to
+			 *        the device via the control endpoint.
 			 */
 			typedef struct
 			{
@@ -127,13 +131,13 @@
 			 */
 			void HID_Device_MillisecondElapsed(USB_ClassInfo_HID_Device_t* HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
 			
-			/** HID class driver callback for the user creation of a HID input report. This callback may fire in response to either
+			/** HID class driver callback for the user creation of a HID IN report. This callback may fire in response to either
 			 *  HID class control requests from the host, or by the normal HID endpoint polling procedure. Inside this callback the
 			 *  user is responsible for the creation of the next HID input report to be sent to the host.
 			 *
 			 *  \param[in,out] HIDInterfaceInfo  Pointer to a structure containing a HID Class configuration and state.
 			 *  \param[in,out] ReportID  If preset to a non-zero value, this is the report ID being requested by the host. If zero, this should
-			 *                 be set to the report ID of the generated HID input report. If multiple reports are not sent via the
+			 *                 be set to the report ID of the generated HID input report (if any). If multiple reports are not sent via the
 			 *                 given HID interface, this parameter should be ignored.
 			 *  \param[out] ReportData  Pointer to a buffer where the generated HID report should be stored.
 			 *  \param[out] ReportSize  Number of bytes in the generated input report, or zero if no report is to be sent
@@ -144,7 +148,7 @@
 			bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
                                                      void* ReportData, uint16_t* ReportSize) ATTR_NON_NULL_PTR_ARG(1, 2, 3, 4);
 			
-			/** HID class driver callback for the user processing of a received HID input report. This callback may fire in response to
+			/** HID class driver callback for the user processing of a received HID OUT report. This callback may fire in response to
 			 *  either HID class control requests from the host, or by the normal HID endpoint polling procedure. Inside this callback
 			 *  the user is responsible for the processing of the received HID output report from the host.
 			 *