+/*\r
+ LUFA Library\r
+ Copyright (C) Dean Camera, 2011.\r
+\r
+ dean [at] fourwalledcubicle [dot] com\r
+ www.lufa-lib.org\r
+*/\r
+\r
+/*\r
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, distribute, and sell this\r
+ software and its documentation for any purpose is hereby granted\r
+ without fee, provided that the above copyright notice appear in\r
+ all 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 "HIDReportViewer.h"\r
+\r
+/** Processed HID report descriptor items structure, containing information on each HID report element */\r
+static HID_ReportInfo_t HIDReportInfo;\r
+\r
+/** LUFA HID Class driver interface configuration and state information. This structure is\r
+ * passed to all HID Class driver functions, so that multiple instances of the same class\r
+ * within a device can be differentiated from one another.\r
+ */\r
+USB_ClassInfo_HID_Host_t Device_HID_Interface =\r
+ {\r
+ .Config =\r
+ {\r
+ .DataINPipeNumber = 1,\r
+ .DataINPipeDoubleBank = false,\r
+\r
+ .DataOUTPipeNumber = 2,\r
+ .DataOUTPipeDoubleBank = false,\r
+\r
+ .HIDInterfaceProtocol = HID_CSCP_NonBootProtocol,\r
+\r
+ .HIDParserData = &HIDReportInfo\r
+ },\r
+ };\r
+\r
+\r
+/** Main program entry point. This routine configures the hardware required by the application, then\r
+ * enters a loop to run the application tasks in sequence.\r
+ */\r
+int main(void)\r
+{\r
+ SetupHardware();\r
+\r
+ puts_P(PSTR(ESC_FG_CYAN "HID Device Report Viewer Running.\r\n" ESC_FG_WHITE));\r
+\r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+ sei();\r
+\r
+ for (;;)\r
+ {\r
+ switch (USB_HostState)\r
+ {\r
+ case HOST_STATE_Addressed:\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
+\r
+ uint16_t ConfigDescriptorSize;\r
+ uint8_t ConfigDescriptorData[512];\r
+\r
+ if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,\r
+ sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)\r
+ {\r
+ puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+\r
+ if (HID_Host_ConfigurePipes(&Device_HID_Interface,\r
+ ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError)\r
+ {\r
+ puts_P(PSTR("Attached Device Not a Valid HID Device.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+\r
+ if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)\r
+ {\r
+ puts_P(PSTR("Error Setting Device Configuration.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+\r
+ if (HID_Host_SetReportProtocol(&Device_HID_Interface) != 0)\r
+ {\r
+ puts_P(PSTR("Error Setting Report Protocol Mode.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+\r
+ puts_P(PSTR("HID Device Enumerated.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
+ USB_HostState = HOST_STATE_Configured;\r
+ break;\r
+ case HOST_STATE_Configured:\r
+ LEDs_SetAllLEDs(LEDMASK_USB_BUSY);\r
+ \r
+ printf_P(PSTR("\r\n\r\nTotal Reports: %d\r\n"), HIDReportInfo.TotalDeviceReports);\r
+ for (uint8_t ReportIndex = 0; ReportIndex < HIDReportInfo.TotalDeviceReports; ReportIndex++)\r
+ {\r
+ HID_ReportSizeInfo_t* CurrReportIDInfo = &HIDReportInfo.ReportIDSizes[ReportIndex];\r
+\r
+ uint8_t ReportSizeInBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_In];\r
+ uint8_t ReportSizeOutBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_Out];\r
+ uint8_t ReportSizeFeatureBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_Feature];\r
+\r
+ /* Print out the byte sizes of each report within the device */\r
+ printf_P(PSTR(" + Report ID %d - In: %d bytes, Out: %d bytes, Feature: %d bytes\r\n"),\r
+ CurrReportIDInfo->ReportID,\r
+ ((ReportSizeInBits >> 3) + ((ReportSizeInBits & 0x07) != 0)),\r
+ ((ReportSizeOutBits >> 3) + ((ReportSizeOutBits & 0x07) != 0)),\r
+ ((ReportSizeFeatureBits >> 3) + ((ReportSizeFeatureBits & 0x07) != 0)));\r
+ }\r
+ \r
+ printf_P(PSTR("\r\n\r\nReport Items: %d\r\n"), HIDReportInfo.TotalDeviceReports);\r
+ for (uint8_t ItemIndex = 0; ItemIndex < HIDReportInfo.TotalReportItems; ItemIndex++)\r
+ {\r
+ HID_ReportItem_t* RItem = &HIDReportInfo.ReportItems[ItemIndex];\r
+\r
+ printf_P(PSTR(" + Item %d:\r\n"\r
+ " - Report ID: 0x%02X\r\n"\r
+ " - Data Direction: %s\r\n"\r
+ " - Item Flags: 0x%02X\r\n"\r
+ " - Item Offset (Bits): 0x%02X\r\n"\r
+ " - Item Size (Bits): 0x%02X\r\n"\r
+ " - Usage Page: 0x%04X\r\n"\r
+ " - Usage: 0x%04X\r\n"\r
+ " - Unit Type: 0x%04X\r\n"\r
+ " - Unit Exponent: 0x%02X\r\n"\r
+ " - Logical Minimum: 0x%04X\r\n"\r
+ " - Logical Maximum: 0x%04X\r\n"\r
+ " - Physical Minimum: 0x%04X\r\n"\r
+ " - Physical Maximum: 0x%04X\r\n"\r
+ " - Collection Path:\r\n"),\r
+ ItemIndex,\r
+ RItem->ReportID,\r
+ ((RItem->ItemType == HID_REPORT_ITEM_In) ? "IN" : ((RItem->ItemType == HID_REPORT_ITEM_Out) ? "OUT" : "FEATURE")),\r
+ RItem->ItemFlags,\r
+ RItem->BitOffset,\r
+ RItem->Attributes.BitSize,\r
+ RItem->Attributes.Usage.Page,\r
+ RItem->Attributes.Usage.Usage,\r
+ RItem->Attributes.Unit.Type,\r
+ RItem->Attributes.Unit.Exponent,\r
+ RItem->Attributes.Logical.Minimum,\r
+ RItem->Attributes.Logical.Maximum,\r
+ RItem->Attributes.Physical.Minimum,\r
+ RItem->Attributes.Physical.Maximum);\r
+ \r
+ HID_CollectionPath_t* CollectionPath = RItem->CollectionPath;\r
+ uint8_t CollectionDepth = 6;\r
+ \r
+ while (CollectionPath != NULL)\r
+ {\r
+ for (uint8_t i = 0; i < CollectionDepth; i++)\r
+ putchar(' ');\r
+\r
+ printf_P(PSTR("- Type: 0x%02X\r\n"), CollectionPath->Type);\r
+ \r
+ for (uint8_t i = 0; i < CollectionDepth; i++)\r
+ putchar(' ');\r
+\r
+ printf_P(PSTR("- Usage: 0x%02X\r\n"), CollectionPath->Usage);\r
+\r
+ CollectionDepth += 3;\r
+ CollectionPath = CollectionPath->Parent;\r
+ }\r
+ }\r
+ \r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+\r
+ HID_Host_USBTask(&Device_HID_Interface);\r
+ USB_USBTask();\r
+ }\r
+}\r
+\r
+/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
+void SetupHardware(void)\r
+{\r
+ /* Disable watchdog if enabled by bootloader/fuses */\r
+ MCUSR &= ~(1 << WDRF);\r
+ wdt_disable();\r
+\r
+ /* Disable clock division */\r
+ clock_prescale_set(clock_div_1);\r
+\r
+ /* Hardware Initialization */\r
+ Serial_Init(9600, false);\r
+ LEDs_Init();\r
+ USB_Init();\r
+\r
+ /* Create a stdio stream for the serial port for stdin and stdout */\r
+ Serial_CreateStream(NULL);\r
+}\r
+\r
+/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and\r
+ * starts the library USB task to begin the enumeration and USB management process.\r
+ */\r
+void EVENT_USB_Host_DeviceAttached(void)\r
+{\r
+ puts_P(PSTR("Device Attached.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
+}\r
+\r
+/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and\r
+ * stops the library USB task management process.\r
+ */\r
+void EVENT_USB_Host_DeviceUnattached(void)\r
+{\r
+ puts_P(PSTR("\r\nDevice Unattached.\r\n"));\r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+}\r
+\r
+/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully\r
+ * enumerated by the host and is now ready to be used by the application.\r
+ */\r
+void EVENT_USB_Host_DeviceEnumerationComplete(void)\r
+{\r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
+}\r
+\r
+/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */\r
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)\r
+{\r
+ USB_Disable();\r
+\r
+ printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"\r
+ " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);\r
+\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ for(;;);\r
+}\r
+\r
+/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while\r
+ * enumerating an attached USB device.\r
+ */\r
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,\r
+ const uint8_t SubErrorCode)\r
+{\r
+ printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"\r
+ " -- Error Code %d\r\n"\r
+ " -- Sub Error Code %d\r\n"\r
+ " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);\r
+\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+}\r
+\r
+/** Callback for the HID Report Parser. This function is called each time the HID report parser is about to store\r
+ * an IN, OUT or FEATURE item into the HIDReportInfo structure. To save on RAM, we are able to filter out items\r
+ * we aren't interested in (preventing us from being able to extract them later on, but saving on the RAM they would\r
+ * have occupied).\r
+ *\r
+ * \param[in] CurrentItem Pointer to the item the HID report parser is currently working with\r
+ *\r
+ * \return Boolean true if the item should be stored into the HID report structure, false if it should be discarded\r
+ */\r
+bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_t* const CurrentItem)\r
+{\r
+ return true;\r
+}\r
+\r