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authorDean Camera <dean@fourwalledcubicle.com>2009-07-28 15:14:54 +0000
committerDean Camera <dean@fourwalledcubicle.com>2009-07-28 15:14:54 +0000
commit7f3f39b5750b9ac877798f41efcf82d931d657f8 (patch)
tree8367df3c332b382b5a2122dccabdbaf2d80a1cc1 /Demos/Host
parent3472af91a5c167cf243335fa32b5284a4a796e39 (diff)
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Fixed report data alignment issues in the MouseHostWithParser demo when X and Y movement data size is not a multiple of 8 bits.
Fixed HID Report Descriptor Parser not correctly resetting internal states when a REPORT ID element is encountered.
Diffstat (limited to 'Demos/Host')
-rw-r--r--Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c b/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c
index 63fce0dcb..8ea5e7201 100644
--- a/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c
+++ b/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c
@@ -260,12 +260,7 @@ void ProcessMouseReport(uint8_t* MouseReport)
if (!(FoundData))
continue;
- int16_t DeltaMovement;
-
- if (ReportItem->Attributes.BitSize > 8)
- DeltaMovement = (int16_t)ReportItem->Value;
- else
- DeltaMovement = (int8_t)ReportItem->Value;
+ int16_t DeltaMovement = (int16_t)(ReportItem->Value << (16 - ReportItem->Attributes.BitSize));
/* Determine if the report is for the X or Y delta movement */
if (ReportItem->Attributes.Usage.Usage == USAGE_X)