Updated GCC/ARM7 ISR functions so they only use static variables.

Demo/ARM7_AT91FR40008_GCC/serial/serialISR.c

@@ -97,10 +97,14 @@ void vUART_ISR( void )
 	variable declarations. */
 	portENTER_SWITCHING_ISR();
 
-	/* Now we can declare the local variables. */
+	/* Now we can declare the local variables.   These must be static. */
-	signed portCHAR cChar;
+	static signed portCHAR cChar;
-	portBASE_TYPE xTaskWokenByTx = pdFALSE, xTaskWokenByRx = pdFALSE;
+	static portBASE_TYPE xTaskWokenByTx, xTaskWokenByRx;
-	unsigned portLONG ulStatus;
+	static unsigned portLONG ulStatus;
+
+	/* These variables are static so need initialising manually here. */
+	xTaskWokenByTx = pdFALSE;
+	xTaskWokenByRx = pdFALSE;
 
 	/* What caused the interrupt? */
 	ulStatus = AT91C_BASE_US0->US_CSR & AT91C_BASE_US0->US_IMR;
@@ -133,7 +137,7 @@ void vUART_ISR( void )
 		}
 	}
 
-	// Acknowledge the interrupt at AIC level...
+	/* Acknowledge the interrupt at AIC level... */
 	AT91C_BASE_AIC->AIC_EOICR = serCLEAR_AIC_INTERRUPT;
 
 	/* Exit the ISR.  If a task was woken by either a character being received

Demo/ARM7_LPC2106_GCC/serial/serialISR.c

@@ -110,9 +110,13 @@ void vUART_ISR( void )
 	variable declarations. */
 	portENTER_SWITCHING_ISR();
 
-	/* Now we can declare the local variables. */
+	/* Now we can declare the local variables.   These must be static. */
-	signed portCHAR cChar;
+	static signed portCHAR cChar;
-	portBASE_TYPE xTaskWokenByTx = pdFALSE, xTaskWokenByRx = pdFALSE;
+	static portBASE_TYPE xTaskWokenByTx, xTaskWokenByRx;
+
+	/* As these variables are static they must be initialised manually here. */
+	xTaskWokenByTx = pdFALSE;
+	xTaskWokenByRx = pdFALSE;
 
 	/* What caused the interrupt? */
 	switch( UART0_IIR & serINTERRUPT_SOURCE_MASK )

Demo/ARM7_LPC2368_Eclipse/RTOSDemo/webserver/EMAC_ISR.c

@@ -10,7 +10,9 @@ void vEMAC_ISR( void )
 {
     portENTER_SWITCHING_ISR();
 
-    portBASE_TYPE xSwitchRequired = pdFALSE;
+    static portBASE_TYPE xSwitchRequired;
+
+	xSwitchRequired = pdFALSE;
 
     /* Clear the interrupt. */
     MAC_INTCLEAR = 0xffff;

Demo/ARM7_LPC2368_Rowley/webserver/EMAC_ISR.c

@@ -10,7 +10,12 @@ void vEMAC_ISR( void )
 {
     portENTER_SWITCHING_ISR();
 
-    portBASE_TYPE xSwitchRequired = pdFALSE;
+
+	/* Variable must be static. */
+    static portBASE_TYPE xSwitchRequired;
+
+	/* As the variable is static it must be manually initialised here. */
+	xSwitchRequired = pdFALSE;
 
     /* Clear the interrupt. */
     IntClear = 0xffff;

Demo/WizNET_DEMO_GCC_ARM7/TCPISR.c

@@ -59,7 +59,12 @@ void vEINT0_ISR( void )
 	portENTER_SWITCHING_ISR();
 
 	extern xQueueHandle xTCPISRQueue;
-	portBASE_TYPE xTaskWoken = pdFALSE;
+
+	/* Must be declared static. */
+	static portBASE_TYPE xTaskWoken;
+
+	/* As the variable is static it must be manually initialised. */
+	xTaskWoken = pdFALSE;
 
 	/* Just wake the TCP task so it knows an ISR has occurred. */
 	xQueueSendFromISR( xTCPISRQueue, ( void * ) &lDummyVariable, xTaskWoken );	

Demo/WizNET_DEMO_GCC_ARM7/i2cISR.c

@@ -124,11 +124,16 @@ void vI2C_ISR( void )
 {
 	portENTER_SWITCHING_ISR();
 
+	/* Variables must be static. */
+
 	/* Holds the current transmission state. */							
 	static I2C_STATE eCurrentState = eSentStart;
 	static portLONG lMessageIndex = -i2cBUFFER_ADDRESS_BYTES; /* There are two address bytes to send prior to the data. */
-	portBASE_TYPE xTaskWokenByTx = pdFALSE;
+	static portBASE_TYPE xTaskWokenByTx;
-	portLONG lBytesLeft;
+	static portLONG lBytesLeft;
+
+	xTaskWokenByTx = pdFALSE;
+
 
 	/* The action taken for this interrupt depends on our current state. */
 	switch( eCurrentState )

Demo/lwIP_Demo_Rowley_ARM7/EMAC/SAM7_EMAC_ISR.c

@@ -71,11 +71,14 @@ void vEMACISR( void )
 	variable declarations. */
 	portENTER_SWITCHING_ISR();
 
-	/* Variable definitions can be made now. */
+	/* Variable definitions can be made now.   These must be static. */
-	volatile unsigned portLONG ulIntStatus, ulEventStatus;
+	static volatile unsigned portLONG ulIntStatus, ulEventStatus;
-	portBASE_TYPE xSwitchRequired = pdFALSE;
+	static portBASE_TYPE xSwitchRequired;
     extern void vClearEMACTxBuffer( void );
 
+	/* As the variable is static it must be initialised manually here. */
+	xSwitchRequired = pdFALSE;
+
 	/* Find the cause of the interrupt. */
 	ulIntStatus = AT91C_BASE_EMAC->EMAC_ISR;
 	ulEventStatus = AT91C_BASE_EMAC->EMAC_RSR;

Demo/lwIP_Demo_Rowley_ARM7/USB/USBIsr.c

@@ -71,12 +71,15 @@ void vUSB_ISR( void )
 	stack variable declarations. */
 	portENTER_SWITCHING_ISR();
 
-	/* Now variables can be declared. */
+	/* Now variables can be declared.  These must be static. */
-	portCHAR cTaskWokenByPost = pdFALSE; 
+	static portCHAR cTaskWokenByPost; 
 	static volatile unsigned portLONG ulNextMessage = 0;
-	xISRStatus *pxMessage;
+	static xISRStatus *pxMessage;
-	unsigned portLONG ulRxBytes;
+	static unsigned portLONG ulRxBytes;
-	unsigned portCHAR ucFifoIndex;
+	static unsigned portCHAR ucFifoIndex;
+
+	/* As the variables are static they must be initialised manually here. */
+	cTaskWokenByPost = pdFALSE; 
 
     /* Use the next message from the array. */
 	pxMessage = &( xISRMessages[ ( ulNextMessage & usbQUEUE_LENGTH ) ] );