Add FatFS library to the Webserver project, extend the HTTP server so that it now...
[pub/USBasp.git] / Demos / Host / ClassDriver / MouseHostWithParser / MouseHostWithParser.c
index 0beec9a..db176e5 100644 (file)
@@ -1,21 +1,21 @@
 /*\r
              LUFA Library\r
 /*\r
              LUFA Library\r
-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\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
+  Copyright 2010  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 without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
@@ -48,7 +48,10 @@ USB_ClassInfo_HID_Host_t Mouse_HID_Interface =
                .Config =\r
                        {\r
                                .DataINPipeNumber       = 1,\r
                .Config =\r
                        {\r
                                .DataINPipeNumber       = 1,\r
+                               .DataINPipeDoubleBank   = false,\r
+\r
                                .DataOUTPipeNumber      = 2,\r
                                .DataOUTPipeNumber      = 2,\r
+                               .DataOUTPipeDoubleBank  = false,\r
                                \r
                                .HIDInterfaceProtocol   = HID_NON_BOOT_PROTOCOL,\r
                                \r
                                \r
                                .HIDInterfaceProtocol   = HID_NON_BOOT_PROTOCOL,\r
                                \r
@@ -58,7 +61,7 @@ USB_ClassInfo_HID_Host_t Mouse_HID_Interface =
 \r
        \r
 /** Main program entry point. This routine configures the hardware required by the application, then\r
 \r
        \r
 /** Main program entry point. This routine configures the hardware required by the application, then\r
- *  starts the scheduler to run the application tasks.\r
+ *  enters a loop to run the application tasks in sequence.\r
  */\r
 int main(void)\r
 {\r
  */\r
 int main(void)\r
 {\r
@@ -78,8 +81,8 @@ int main(void)
                                uint16_t ConfigDescriptorSize;\r
                                uint8_t  ConfigDescriptorData[512];\r
 \r
                                uint16_t ConfigDescriptorSize;\r
                                uint8_t  ConfigDescriptorData[512];\r
 \r
-                               if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,\r
-                                                                 sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)\r
+                               if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,\r
+                                                                      sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)\r
                                {\r
                                        printf("Error Retrieving Configuration Descriptor.\r\n");\r
                                        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
                                {\r
                                        printf("Error Retrieving Configuration Descriptor.\r\n");\r
                                        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
@@ -142,6 +145,21 @@ int main(void)
                                                          LEDMask = LEDS_ALL_LEDS;\r
                                                }\r
                                                else if ((ReportItem->Attributes.Usage.Page   == USAGE_PAGE_GENERIC_DCTRL) &&\r
                                                          LEDMask = LEDS_ALL_LEDS;\r
                                                }\r
                                                else if ((ReportItem->Attributes.Usage.Page   == USAGE_PAGE_GENERIC_DCTRL) &&\r
+                                                                (ReportItem->Attributes.Usage.Usage  == USAGE_SCROLL_WHEEL)       &&\r
+                                                                (ReportItem->ItemType                == REPORT_ITEM_TYPE_In))\r
+                                               {\r
+                                                       /* Get the mouse wheel value if it is contained within the current \r
+                                                        * report, if not, skip to the next item in the parser list\r
+                                                        */\r
+                                                       if (!(USB_GetHIDReportItemInfo(MouseReport, ReportItem)))\r
+                                                         continue;                                                       \r
+\r
+                                                       int16_t WheelDelta = (int16_t)(ReportItem->Value << (16 - ReportItem->Attributes.BitSize));\r
+                                                       \r
+                                                       if (WheelDelta)\r
+                                                         LEDMask = (LEDS_LED1 | LEDS_LED2 | ((WheelDelta > 0) ? LEDS_LED3 : LEDS_LED4));\r
+                                               }\r
+                                               else if ((ReportItem->Attributes.Usage.Page   == USAGE_PAGE_GENERIC_DCTRL) &&\r
                                                                 ((ReportItem->Attributes.Usage.Usage == USAGE_X)                  ||\r
                                                                  (ReportItem->Attributes.Usage.Usage == USAGE_Y))                 &&\r
                                                                 (ReportItem->ItemType                == REPORT_ITEM_TYPE_In))\r
                                                                 ((ReportItem->Attributes.Usage.Usage == USAGE_X)                  ||\r
                                                                  (ReportItem->Attributes.Usage.Usage == USAGE_Y))                 &&\r
                                                                 (ReportItem->ItemType                == REPORT_ITEM_TYPE_In))\r
@@ -250,21 +268,36 @@ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8
  *  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
  *  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 CurrentItemAttributes  Pointer to the attrbutes of the item the HID report parser is currently working with\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
  *\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_Attributes_t* CurrentItemAttributes)\r
+bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_t* CurrentItem)\r
 {\r
 {\r
-       /* Check the attributes of the current item - see if we are interested in it or not */\r
-       if ((CurrentItemAttributes->Usage.Page == USAGE_PAGE_BUTTON) ||\r
-           (CurrentItemAttributes->Usage.Page == USAGE_PAGE_GENERIC_DCTRL))\r
-       {\r
-               /* Only store BUTTON and GENERIC_DESKTOP_CONTROL items into the Processed HID Report structure to save RAM */\r
-               return true;\r
-       }\r
-       else\r
+       bool IsMouse = false;\r
+\r
+       /* Iterate through the item's collection path, until either the root collection node or a collection with the\r
+        * Mouse Usage is found - this prevents Joysticks, which use identical descriptors except for the Joystick usage\r
+        * parent node, from being erroneously treated as a mouse by the demo\r
+        */\r
+       for (HID_CollectionPath_t* CurrPath = CurrentItem->CollectionPath; CurrPath != NULL; CurrPath = CurrPath->Parent)\r
        {\r
        {\r
-               return false;\r
+               if ((CurrPath->Usage.Page  == USAGE_PAGE_GENERIC_DCTRL) &&\r
+                   (CurrPath->Usage.Usage == USAGE_MOUSE))\r
+               {\r
+                       IsMouse = true;\r
+                       break;\r
+               }\r
        }\r
        }\r
+\r
+       /* If a collection with the mouse usage was not found, indicate that we are not interested in this item */\r
+       if (!IsMouse)\r
+         return false;\r
+\r
+       /* Check the attributes of the current item - see if we are interested in it or not;\r
+        * only store BUTTON and GENERIC_DESKTOP_CONTROL items into the Processed HID Report\r
+        * structure to save RAM and ignore the rest\r
+        */\r
+       return ((CurrentItem->Attributes.Usage.Page == USAGE_PAGE_BUTTON) ||\r
+               (CurrentItem->Attributes.Usage.Page == USAGE_PAGE_GENERIC_DCTRL));\r
 }\r
 }\r