Moved all source to the trunk directory.

[pub/lufa.git] / Demos / MouseHostWithParser / HIDReport.c

diff --git a/Demos/MouseHostWithParser/HIDReport.c b/Demos/MouseHostWithParser/HIDReport.c
new file mode 100644 (file)
index 0000000..55f250d
--- /dev/null
+++ b/Demos/MouseHostWithParser/HIDReport.c
@@ -0,0 +1,68 @@
+/*\r
+             LUFA Library\r
+     Copyright (C) Dean Camera, 2009.\r
+              \r
+  dean [at] fourwalledcubicle [dot] com\r
+      www.fourwalledcubicle.com\r
+*/\r
+\r
+/*\r
+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+  Permission to use, copy, modify, and distribute this software\r
+  and its documentation for any purpose and without fee is hereby\r
+  granted, provided that the above copyright notice appear in all\r
+  copies and that both that the copyright notice and this\r
+  permission notice and warranty disclaimer appear in supporting\r
+  documentation, and that the name of the author not be used in\r
+  advertising or publicity pertaining to distribution of the\r
+  software without specific, written prior permission.\r
+\r
+  The author disclaim all warranties with regard to this\r
+  software, including all implied warranties of merchantability\r
+  and fitness.  In no event shall the author be liable for any\r
+  special, indirect or consequential damages or any damages\r
+  whatsoever resulting from loss of use, data or profits, whether\r
+  in an action of contract, negligence or other tortious action,\r
+  arising out of or in connection with the use or performance of\r
+  this software.\r
+*/\r
+\r
+#include "HIDReport.h"\r
+\r
+/** Size in bytes of the attached device's HID report descriptor */\r
+uint16_t         HIDReportSize;\r
+\r
+/** Processed HID report descriptor items structure, containing information on each HID report element */\r
+HID_ReportInfo_t HIDReportInfo;\r
+\r
+\r
+/** Function to read in the HID report descriptor from the attached device, and process it into easy-to-read\r
+ *  structures via the HID parser routines in the LUFA library.\r
+ *\r
+ *  \return  A value from the MouseHostWithParser_GetHIDReportDataCodes_t enum\r
+ */\r
+uint8_t GetHIDReportData(void)\r
+{\r
+       /* Create a buffer big enough to hold the entire returned HID report */\r
+       uint8_t HIDReportData[HIDReportSize];\r
+       \r
+       USB_HostRequest = (USB_Host_Request_Header_t)\r
+               {\r
+                       bmRequestType: (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE),\r
+                       bRequest:      REQ_GetDescriptor,\r
+                       wValue:        (DTYPE_Report << 8),\r
+                       wIndex:        0,\r
+                       wLength:       HIDReportSize,\r
+               };\r
+\r
+       /* Send control request to retrieve the HID report from the attached device */\r
+       if (USB_Host_SendControlRequest(HIDReportData) != HOST_SENDCONTROL_Successful)\r
+         return ParseControlError;\r
+\r
+       /* Send the HID report to the parser for processing */\r
+       if (ProcessHIDReport(HIDReportData, HIDReportSize, &HIDReportInfo) != HID_PARSE_Successful)\r
+         return ParseError;\r
+       \r
+       return ParseSuccessful;\r
+}\r