Added V2Protocol handlers to the AVRISP project to enter/exit programming mode, and...
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / HIDParser.c
index 5fb29aa..fdce8e5 100644 (file)
   this software.\r
 */\r
 \r
+#include "../../HighLevel/USBMode.h"\r
+#if defined(USB_CAN_BE_HOST)\r
+\r
 #include "HIDParser.h"\r
 \r
 uint8_t USB_ProcessHIDReport(const uint8_t* ReportData, uint16_t ReportSize, HID_ReportInfo_t* const ParserData)\r
 {\r
        HID_StateTable_t  StateTable[HID_STATETABLE_STACK_DEPTH];\r
-       HID_StateTable_t* CurrStateTable               = &StateTable[0];\r
+       HID_StateTable_t* CurrStateTable          = &StateTable[0];\r
        uint16_t          UsageStack[HID_USAGE_STACK_DEPTH];\r
-       uint8_t           UsageStackSize               = 0;\r
-       uint16_t          BitOffsetIn                  = 0;\r
-       uint16_t          BitOffsetOut                 = 0;\r
+       uint8_t           UsageStackSize          = 0;\r
+       uint16_t          BitOffsetIn             = 0;\r
+       uint16_t          BitOffsetOut            = 0;\r
 #if defined(HID_ENABLE_FEATURE_PROCESSING)\r
-       uint16_t          BitOffsetFeature             = 0;\r
+       uint16_t          BitOffsetFeature        = 0;\r
 #endif\r
-       HID_CollectionPath_t* CurrCollectionPath       = NULL;\r
+       HID_CollectionPath_t* CurrCollectionPath  = NULL;\r
 \r
-       memset((void*)ParserData, 0x00, sizeof(HID_ReportInfo_t));\r
-       memset((void*)StateTable, 0x00, sizeof(StateTable));\r
+       memset(ParserData, 0x00, sizeof(HID_ReportInfo_t));\r
+       memset(StateTable, 0x00, sizeof(StateTable));\r
 \r
        while (ReportSize)\r
        {\r
+               uint8_t  HIDReportItem  = *(ReportData++);\r
                uint32_t ReportItemData = 0;\r
                \r
-               switch (*ReportData & DATA_SIZE_MASK)\r
+               ReportSize--;\r
+               \r
+               switch (HIDReportItem & DATA_SIZE_MASK)\r
                {\r
                        case DATA_SIZE_4:\r
-                               ReportItemData = *((uint32_t*)(ReportData + 1));\r
+                               ReportItemData  = *((uint32_t*)ReportData);\r
+                               ReportSize     -= 4;\r
+                               ReportData     += 4;\r
                                break;\r
                        case DATA_SIZE_2:\r
-                               ReportItemData = *((uint16_t*)(ReportData + 1));\r
+                               ReportItemData  = *((uint16_t*)ReportData);\r
+                               ReportSize     -= 2;\r
+                               ReportData     += 2;\r
                                break;\r
                        case DATA_SIZE_1:\r
-                               ReportItemData = *((uint8_t*)(ReportData + 1));\r
+                               ReportItemData  = *((uint8_t*)ReportData);\r
+                               ReportSize     -= 1;\r
+                               ReportData     += 1;\r
                                break;\r
                }\r
 \r
-               switch (*ReportData & (TYPE_MASK | TAG_MASK))\r
+               switch (HIDReportItem & (TYPE_MASK | TAG_MASK))\r
                {\r
                        case (TYPE_GLOBAL | TAG_GLOBAL_PUSH):\r
-                               if (CurrStateTable == &StateTable[HID_STATETABLE_STACK_DEPTH])\r
+                               if (CurrStateTable == &StateTable[HID_STATETABLE_STACK_DEPTH - 1])\r
                                  return HID_PARSE_HIDStackOverflow;\r
        \r
-                               memcpy((CurrStateTable - 1),\r
+                               memcpy((CurrStateTable + 1),\r
                                       CurrStateTable,\r
                                       sizeof(HID_ReportItem_t));\r
 \r
@@ -110,6 +122,13 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData, uint16_t ReportSize, HID
                                break;\r
                        case (TYPE_GLOBAL | TAG_GLOBAL_REPORTID):\r
                                CurrStateTable->ReportID                    = ReportItemData;\r
+                               ParserData->UsingMultipleReports = true;\r
+                               BitOffsetIn      = 0;\r
+                               BitOffsetOut     = 0;\r
+\r
+                               #if defined(HID_ENABLE_FEATURE_PROCESSING)\r
+                               BitOffsetFeature = 0;\r
+                               #endif\r
                                break;\r
                        case (TYPE_LOCAL | TAG_LOCAL_USAGE):\r
                                if (UsageStackSize == HID_USAGE_STACK_DEPTH)\r
@@ -136,7 +155,7 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData, uint16_t ReportSize, HID
 \r
                                        while (CurrCollectionPath->Parent != NULL);\r
                                        {\r
-                                               if (CurrCollectionPath == &ParserData->CollectionPaths[HID_MAX_COLLECTIONS])\r
+                                               if (CurrCollectionPath == &ParserData->CollectionPaths[HID_MAX_COLLECTIONS - 1])\r
                                                  return HID_PARSE_InsufficientCollectionPaths;\r
                                        \r
                                                CurrCollectionPath++;\r
@@ -204,7 +223,7 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData, uint16_t ReportSize, HID
                                                CurrReportItem->Attributes.Usage.Usage = 0;\r
                                        }\r
                                                                                        \r
-                                       switch (*ReportData & TAG_MASK)\r
+                                       switch (HIDReportItem & TAG_MASK)\r
                                        {\r
                                                case TAG_MAIN_INPUT:\r
                                                        CurrReportItem->ItemType  = REPORT_ITEM_TYPE_In;\r
@@ -231,11 +250,11 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData, uint16_t ReportSize, HID
 #endif\r
                                        }\r
                                        \r
-#if !defined(HID_INCLUDE_CONSTANT_DATA_ITEMS)\r
+#if defined(HID_INCLUDE_CONSTANT_DATA_ITEMS)\r
+                                       ParserData->TotalReportItems++;\r
+#else\r
                                        if (!(ReportItemData & IOF_CONSTANT))\r
                                          ParserData->TotalReportItems++;\r
-#else\r
-                                       ParserData->TotalReportItems++;\r
 #endif\r
                                }\r
                                \r
@@ -244,32 +263,12 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData, uint16_t ReportSize, HID
                                break;\r
                }\r
          \r
-               if ((*ReportData & TYPE_MASK) == TYPE_MAIN)\r
+               if ((HIDReportItem & TYPE_MASK) == TYPE_MAIN)\r
                {\r
                        CurrStateTable->Attributes.Usage.MinMax.Minimum = 0;\r
                        CurrStateTable->Attributes.Usage.MinMax.Maximum = 0;\r
                        UsageStackSize = 0;\r
                }\r
-               \r
-               switch (*ReportData & DATA_SIZE_MASK)\r
-               {\r
-                       case DATA_SIZE_4:\r
-                               ReportSize -= 5;\r
-                               ReportData += 5;\r
-                               break;\r
-                       case DATA_SIZE_2:\r
-                               ReportSize -= 3;\r
-                               ReportData += 3;\r
-                               break;\r
-                       case DATA_SIZE_1:\r
-                               ReportSize -= 2;\r
-                               ReportData += 2;\r
-                               break;\r
-                       case DATA_SIZE_0:\r
-                               ReportSize -= 1;\r
-                               ReportData += 1;\r
-                               break;\r
-               }\r
        }\r
        \r
        return HID_PARSE_Successful;\r
@@ -324,3 +323,5 @@ void USB_SetHIDReportItemInfo(uint8_t* ReportData, const HID_ReportItem_t* Repor
                BitMask <<= 1;\r
        }\r
 }\r
+\r
+#endif\r