bsptemplate/asspandvariant/template_assp/gpio.cpp
branchRCL_3
changeset 257 3e88ff8f41d5
parent 256 c1f20ce4abcf
--- a/bsptemplate/asspandvariant/template_assp/gpio.cpp	Tue Aug 31 16:34:26 2010 +0300
+++ b/bsptemplate/asspandvariant/template_assp/gpio.cpp	Wed Sep 01 12:34:56 2010 +0100
@@ -39,87 +39,6 @@
 
 static TInt32	GpioInterruptId; // place to store interrupt handle returned from Interrupt::Bind()
 
-
-/**
-Calculate 16-bit device pin Id from 32-bit pin Id. Use DeviceId() to 
-get device Id.
-@param   aId         32-bit pin Id
-@return  16-bit device specific pin Id
- */
-static inline TUint16 DevicePinId(TInt aId)
-    {return static_cast<TUint16>(aId & 0x0000FFFF);}
-
-
-//Commented out to satisfy compiler(as method is not used in the code) but can  
-//be usefull later
-/**
-Calculate and return GPIO device Id(either SOC or one of the extenders)
-defined in TGpioBaseId from the 32-bit pin Id
-@param   aId         32-bit pin Id
-@return
-   - EInternalId              SOC GPIO 
-   - EExtender0-15            GPIO extenders from 0-15
-
-static inline GPIO::TGpioBaseId ExtenderId(TInt aId)
-    {return static_cast<GPIO::TGpioBaseId>((aId & 0xFFFF0000));}
-*/
-
-//Commented out to satisfy compiler(as method is not used in the code) but can  
-//be usefull later
-/**
-Generate 32-bit pin Id from the device Id and device specific 16-bit 
-pin Id.
-@param   aExtenderId     Device Id is defined in TGpioBaseId
-@param   aPinId          16-bit device pin Id
-return   32-bit pin Id  
-
-static inline TInt Id(GPIO::TGpioBaseId aExtenderId, TUint16 aPinId)
-    {return static_cast<TInt>(aExtenderId |aPinId);}
-*/
-
-//Commented out to satisfy compiler(as method is not used in the code) but can  
-//be usefull later
-/**
-Find index in extender GPIO device table.
-@param   aExtenderId     Extender Id is defined in TGpioBaseId
-@return  singned 32-bit integer index device, possible value 
-        from 0 to 15
- 
-static TInt DeviceIndex(GPIO::TGpioBaseId aExtenderId)
-    {
-    TUint16 val = (TUint16)((aExtenderId & 0xFFFF0000) >> 16);
-    if(val == 0) return GPIO::EInternalId;
-
-    //The algorithm steps througth the value until first non-zero bit is
-    //found.
-    //
-    TInt index = 0;
-    if(val & 0xFF00) {index  = 8; val = val >> 8;} // 2 x 8-bits
-    if(val & 0x00F0) {index += 4; val = val >> 4;} // 2 x 4-bits
-    if(val & 0x000C) {index += 2; val = val >> 2;} // 2 x 2 bits
-    if(val & 0x0002) {index += 1; val = val >> 1;} // 2 x 1 bits
-
-    return index;
-    }
-*/
-
-
-//Commented out to satisfy compiler(as method is not used in the code) but can  
-//be usefull later
-/**
-Find index in extender GPIO device table.
-@param   aId    32-bit GPIO pin Id
-@return  singned 32-bit integer index device, possible value 
-         from 0 to 15
-
-static TInt DeviceIndex(TInt aId){return DeviceIndex(ExtenderId(aId));}
-*/
-
-
-
-
-
-
 /**
 GPIO interrupt handler
 generic argument (TAny*) is a pointer to the GpioPins array
@@ -153,8 +72,7 @@
    	TGpioMode aMode
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -168,8 +86,7 @@
    	TGpioMode & aMode
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -183,8 +100,7 @@
    	TGpioDirection aDirection
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax || aDirection == ETriStated)
+	if (aId < 0 || aId > KHwGpioPinMax || aDirection == ETriStated)
 		{
 		return KErrArgument;
 		}
@@ -198,8 +114,7 @@
    	TGpioDirection & aDirection
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -213,8 +128,7 @@
    	TGpioBias aBias
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -228,8 +142,7 @@
    	TGpioBias & aBias
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -243,8 +156,7 @@
    	TInt		/*aConf*/
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -258,8 +170,7 @@
    	TInt	  & aBias
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -274,19 +185,18 @@
    	TAny *   aPtr
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax || aIsr == NULL)
+	if (aId < 0 || aId > KHwGpioPinMax || aIsr == NULL)
 		{
 		return KErrArgument;
 		}
-	if (GpioPins[pinId].iIsr != NULL)
+	if (GpioPins[aId].iIsr != NULL)
 		{
 		// already bound
 		return KErrInUse;
 		}
 	// record isr and arg bound to this pin
-	GpioPins[pinId].iIsr = aIsr;
-	GpioPins[pinId].iPtr = aPtr;
+	GpioPins[aId].iIsr = aIsr;
+	GpioPins[aId].iPtr = aPtr;
 	return KErrNone;
 	}
 
@@ -295,19 +205,18 @@
 	TInt aId
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
-	if (GpioPins[pinId].iIsr == NULL)
+	if (GpioPins[aId].iIsr == NULL)
 		{
 		// nothing bound
 		return KErrGeneral;
 		}
 	// NULL isr bound to this pin
-	GpioPins[pinId].iIsr = NULL;
-	GpioPins[pinId].iPtr = NULL;
+	GpioPins[aId].iIsr = NULL;
+	GpioPins[aId].iPtr = NULL;
 	return KErrNone;
 	}
 
@@ -316,12 +225,11 @@
 	TInt aId
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
-	if (GpioPins[pinId].iIsr == NULL)
+	if (GpioPins[aId].iIsr == NULL)
 		{
 		// nothing bound
 		return KErrGeneral;
@@ -335,12 +243,11 @@
 	TInt aId
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
-	if (GpioPins[pinId].iIsr == NULL)
+	if (GpioPins[aId].iIsr == NULL)
 		{
 		// nothing bound
 		return KErrGeneral;
@@ -355,12 +262,11 @@
    	TBool & aEnable
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
-	if (GpioPins[pinId].iIsr == NULL)
+	if (GpioPins[aId].iIsr == NULL)
 		{
 		// nothing bound
 		return KErrGeneral;
@@ -374,12 +280,11 @@
 	TInt aId
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
-	if (GpioPins[pinId].iIsr == NULL)
+	if (GpioPins[aId].iIsr == NULL)
 		{
 		// nothing bound
 		return KErrGeneral;
@@ -394,8 +299,7 @@
    	TBool & aActive
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -409,8 +313,7 @@
    	TBool & aActive
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -424,8 +327,7 @@
    	TGpioDetectionTrigger aTrigger
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -438,8 +340,7 @@
 	TInt aId
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -452,8 +353,7 @@
 	TInt aId
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -467,8 +367,7 @@
    	TBool & aEnable
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -482,8 +381,7 @@
    	TGpioDetectionTrigger aTrigger
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -497,8 +395,7 @@
    	TInt aTime
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -513,8 +410,7 @@
    	TInt & aTime
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -528,8 +424,7 @@
    	TGpioState & aState
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -547,8 +442,7 @@
    	TGpioState aState
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -562,8 +456,7 @@
    	TGpioState & aState
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -577,8 +470,7 @@
    	TGpioCallback		* aCb
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -593,8 +485,7 @@
    	TGpioCallback		* aCb
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}
@@ -610,8 +501,7 @@
 	TAny	* aArg2
 	)
 	{
-    TUint16 pinId = DevicePinId(aId);
-	if (pinId > KHwGpioPinMax)
+	if (aId < 0 || aId > KHwGpioPinMax)
 		{
 		return KErrArgument;
 		}