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Remove potentially unaligned uint32_t access in HIDParser.c, replace with standard C bit shifts.

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This commit is contained in:
Dean Camera 2012-02-20 18:47:25 +00:00
parent 6c738343ae
commit 4068efbd18
9 changed files with 56 additions and 38 deletions
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7
LUFA/Drivers/USB/Class/Common/HIDParser.c
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@ -61,17 +61,18 @@ uint8_t USB_ProcessHIDReport(const uint8_t* ReportData,
switch (HIDReportItem & HID_RI_DATA_SIZE_MASK)
{
case HID_RI_DATA_BITS_32:
ReportItemData = le32_to_cpu(*((uint32_t*)ReportData));
ReportItemData = (((uint32_t)ReportData[3] << 24) | ((uint32_t)ReportData[2] << 16) |
((uint16_t)ReportData[1] << 8) | ReportData[0]);
ReportSize -= 4;
ReportData += 4;
break;
case HID_RI_DATA_BITS_16:
ReportItemData = le16_to_cpu(*((uint16_t*)ReportData));
ReportItemData = (((uint16_t)ReportData[1] << 8) | (ReportData[0]));
ReportSize -= 2;
ReportData += 2;
break;
case HID_RI_DATA_BITS_8:
ReportItemData = *((uint8_t*)ReportData);
ReportItemData = ReportData[0];
ReportSize -= 1;
ReportData += 1;
break;