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authorDean Camera <dean@fourwalledcubicle.com>2009-03-20 06:34:41 +0000
committerDean Camera <dean@fourwalledcubicle.com>2009-03-20 06:34:41 +0000
commited031c1df2f5b053b9cd9f48c63e66a42b7c049e (patch)
tree8e49d639484d53a6e00700b20e2b804e9775242f /Demos/Host/MouseHostWithParser/HIDReport.c
parentecf7538430c01b95104682f0f7493e57b9168125 (diff)
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Seperated out OTG, Device and Host mode demos into seperate folders for clarity. Adjusted makefiles so that the path to the LUFA library can be set in one place.
Diffstat (limited to 'Demos/Host/MouseHostWithParser/HIDReport.c')
-rw-r--r--Demos/Host/MouseHostWithParser/HIDReport.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/Demos/Host/MouseHostWithParser/HIDReport.c b/Demos/Host/MouseHostWithParser/HIDReport.c
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+++ b/Demos/Host/MouseHostWithParser/HIDReport.c
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+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, provided that the above copyright notice appear in all
+ copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+#include "HIDReport.h"
+
+/** Size in bytes of the attached device's HID report descriptor */
+uint16_t HIDReportSize;
+
+/** Processed HID report descriptor items structure, containing information on each HID report element */
+HID_ReportInfo_t HIDReportInfo;
+
+
+/** Function to read in the HID report descriptor from the attached device, and process it into easy-to-read
+ * structures via the HID parser routines in the LUFA library.
+ *
+ * \return A value from the MouseHostWithParser_GetHIDReportDataCodes_t enum
+ */
+uint8_t GetHIDReportData(void)
+{
+ /* Create a buffer big enough to hold the entire returned HID report */
+ uint8_t HIDReportData[HIDReportSize];
+
+ USB_HostRequest = (USB_Host_Request_Header_t)
+ {
+ bmRequestType: (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE),
+ bRequest: REQ_GetDescriptor,
+ wValue: (DTYPE_Report << 8),
+ wIndex: 0,
+ wLength: HIDReportSize,
+ };
+
+ /* Send control request to retrieve the HID report from the attached device */
+ if (USB_Host_SendControlRequest(HIDReportData) != HOST_SENDCONTROL_Successful)
+ return ParseControlError;
+
+ /* Send the HID report to the parser for processing */
+ if (ProcessHIDReport(HIDReportData, HIDReportSize, &HIDReportInfo) != HID_PARSE_Successful)
+ return ParseError;
+
+ return ParseSuccessful;
+}