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Add code to the idle hook to test low power mode operation.

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This commit is contained in:
Richard Barry 2008-10-19 18:51:16 +00:00
parent 0463a4814b
commit 549dcfa148
3 changed files with 25 additions and 5 deletions
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2
Demo/msp430_GCC/FreeRTOSConfig.h
View File

@ -65,7 +65,7 @@
*----------------------------------------------------------*/ *----------------------------------------------------------*/
#define configUSE_PREEMPTION 1 #define configUSE_PREEMPTION 1
#define configUSE_IDLE_HOOK 0 #define configUSE_IDLE_HOOK 1
#define configUSE_TICK_HOOK 0 #define configUSE_TICK_HOOK 0
#define configCPU_CLOCK_HZ ( ( unsigned portLONG ) 7995392 ) /* Clock setup from main.c in the demo application. */ #define configCPU_CLOCK_HZ ( ( unsigned portLONG ) 7995392 ) /* Clock setup from main.c in the demo application. */
#define configTICK_RATE_HZ ( ( portTickType ) 1000 ) #define configTICK_RATE_HZ ( ( portTickType ) 1000 )

20
Demo/msp430_GCC/main.c
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@ -132,6 +132,9 @@ static portSHORT prvCheckOtherTasksAreStillRunning( void );
*/ */
static void prvSetupHardware( void ); static void prvSetupHardware( void );
/* Used to detect the idle hook function stalling. */
static volatile unsigned portLONG ulIdleLoops = 0UL;
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* /*
@ -201,6 +204,7 @@ portTickType xDelayPeriod = mainNO_ERROR_CHECK_DELAY;
static portSHORT prvCheckOtherTasksAreStillRunning( void ) static portSHORT prvCheckOtherTasksAreStillRunning( void )
{ {
static portSHORT sNoErrorFound = pdTRUE; static portSHORT sNoErrorFound = pdTRUE;
static unsigned portLONG ulLastIdleLoops = 0UL;
/* The demo tasks maintain a count that increments every cycle of the task /* The demo tasks maintain a count that increments every cycle of the task
provided that the task has never encountered an error. This function provided that the task has never encountered an error. This function
@ -223,6 +227,13 @@ static portSHORT sNoErrorFound = pdTRUE;
{ {
sNoErrorFound = pdFALSE; sNoErrorFound = pdFALSE;
} }
if( ulLastIdleLoops == ulIdleLoops )
{
sNoErrorFound = pdFALSE;
}
ulLastIdleLoops = ulIdleLoops;
return sNoErrorFound; return sNoErrorFound;
} }
@ -251,6 +262,15 @@ static void prvSetupHardware( void )
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
void vApplicationIdleHook( void );
void vApplicationIdleHook( void )
{
/* Simple put the CPU into lowpower mode. */
_BIS_SR( LPM3_bits );
ulIdleLoops++;
}
/*-----------------------------------------------------------*/

8
Demo/msp430_GCC/serial/serial.c
View File

@ -83,8 +83,8 @@ static xQueueHandle xCharsForTx;
static volatile portSHORT sTHREEmpty; static volatile portSHORT sTHREEmpty;
/* Interrupt service routines. */ /* Interrupt service routines. */
interrupt (UART1RX_VECTOR) vRxISR( void ); interrupt (UART1RX_VECTOR) wakeup vRxISR( void );
interrupt (UART1TX_VECTOR) vTxISR( void ); interrupt (UART1TX_VECTOR) wakeup vTxISR( void );
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -208,7 +208,7 @@ signed portBASE_TYPE xReturn;
/* /*
* UART RX interrupt service routine. * UART RX interrupt service routine.
*/ */
interrupt (UART1RX_VECTOR) vRxISR( void ) interrupt (UART1RX_VECTOR) wakeup vRxISR( void )
{ {
signed portCHAR cChar; signed portCHAR cChar;
portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE; portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
@ -232,7 +232,7 @@ portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
/* /*
* UART Tx interrupt service routine. * UART Tx interrupt service routine.
*/ */
interrupt (UART1TX_VECTOR) vTxISR( void ) interrupt (UART1TX_VECTOR) wakeup vTxISR( void )
{ {
signed portCHAR cChar; signed portCHAR cChar;
portBASE_TYPE xTaskWoken = pdFALSE; portBASE_TYPE xTaskWoken = pdFALSE;