[haiku-commits] r42033 - haiku/trunk/src/add-ons/kernel/drivers/input/usb_hid
- From: mmlr@xxxxxxxx
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Wed, 8 Jun 2011 02:26:04 +0200 (CEST)
Author: mmlr
Date: 2011-06-08 02:26:04 +0200 (Wed, 08 Jun 2011)
New Revision: 42033
Changeset: https://dev.haiku-os.org/changeset/42033
Modified:
haiku/trunk/src/add-ons/kernel/drivers/input/usb_hid/HIDReportItem.cpp
haiku/trunk/src/add-ons/kernel/drivers/input/usb_hid/HIDReportItem.h
Log:
Add HIDReportItem::ScaledRangeData() that scales the data into a pariticular
range.
Modified: haiku/trunk/src/add-ons/kernel/drivers/input/usb_hid/HIDReportItem.cpp
===================================================================
--- haiku/trunk/src/add-ons/kernel/drivers/input/usb_hid/HIDReportItem.cpp
2011-06-08 00:20:58 UTC (rev 42032)
+++ haiku/trunk/src/add-ons/kernel/drivers/input/usb_hid/HIDReportItem.cpp
2011-06-08 00:26:04 UTC (rev 42033)
@@ -146,6 +146,20 @@
}
+uint32
+HIDReportItem::ScaledRangeData(uint32 minimum, uint32 maximum)
+{
+ uint64 zeroBasedData;
+ if (Signed())
+ zeroBasedData = (int32)fData - (int32)fMinimum;
+ else
+ zeroBasedData = fData - fMinimum;
+
+ return zeroBasedData * (maximum - minimum + 1) / (fMaximum - fMinimum +
1)
+ + minimum;
+}
+
+
float
HIDReportItem::ScaledFloatData()
{
Modified: haiku/trunk/src/add-ons/kernel/drivers/input/usb_hid/HIDReportItem.h
===================================================================
--- haiku/trunk/src/add-ons/kernel/drivers/input/usb_hid/HIDReportItem.h
2011-06-08 00:20:58 UTC (rev 42032)
+++ haiku/trunk/src/add-ons/kernel/drivers/input/usb_hid/HIDReportItem.h
2011-06-08 00:26:04 UTC (rev 42033)
@@ -37,6 +37,7 @@
uint32 Data() { return fData;
};
uint32 ScaledData(uint8
scaleToBits, bool toBeSigned);
+ uint32 ScaledRangeData(uint32
minimum, uint32 maximum);
float ScaledFloatData();
bool Valid() { return
fValid; };
Other related posts:
- » [haiku-commits] r42033 - haiku/trunk/src/add-ons/kernel/drivers/input/usb_hid - mmlr
