Fixed USB_GetHIDReportItemInfo() function modifying the given report item's data...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / HIDParser.c

diff --git a/LUFA/Drivers/USB/Class/Host/HIDParser.c b/LUFA/Drivers/USB/Class/Host/HIDParser.c
index 1492112..49f9452 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/HIDParser.c
+++ b/LUFA/Drivers/USB/Class/Host/HIDParser.c
@@ -276,7 +276,7 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData,
                {
                        UsageMinMax.Minimum = 0;
                        UsageMinMax.Maximum = 0;
-                       UsageListSize   = 0;
+                       UsageListSize       = 0;
                }
        }
        
@@ -292,9 +292,6 @@ bool USB_GetHIDReportItemInfo(const uint8_t* ReportData,
        uint16_t DataBitsRem  = ReportItem->Attributes.BitSize;
        uint16_t CurrentBit   = ReportItem->BitOffset;
        uint32_t BitMask      = (1 << 0);
-
-       ReportItem->PreviousValue = ReportItem->Value;
-       ReportItem->Value = 0;
        
        if (ReportItem->ReportID)
        {
@@ -304,6 +301,9 @@ bool USB_GetHIDReportItemInfo(const uint8_t* ReportData,
                ReportData++;
        }
 
+       ReportItem->PreviousValue = ReportItem->Value;
+       ReportItem->Value = 0;
+
        while (DataBitsRem--)
        {
                if (ReportData[CurrentBit / 8] & (1 << (CurrentBit % 8)))