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Add run-time stats to the Kintex7 Microblaze demo.

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This commit is contained in:
Richard Barry 2015-01-19 13:34:26 +00:00
parent acfbb7dd14
commit 51aa373c4c
5 changed files with 365 additions and 35 deletions
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54
FreeRTOS/Demo/MicroBlaze_Kintex7_EthernetLite/RTOSDemo/src/main.c
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@ -84,8 +84,6 @@
*
*/
#warning Try reducing minimal stack size.
/* Standard includes. */
#include <stdio.h>
#include <limits.h>
@ -136,8 +134,9 @@ void vApplicationIdleHook( void );
void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
void vApplicationTickHook( void );
/* The dual timer is used to generate the RTOS tick interrupt. */
static XTmrCtr xDualTimerInstance;
/* The dual timer is used to generate the RTOS tick interrupt and as a time base
for the run time stats. */
static XTmrCtr xTickTimerInstance;
/*-----------------------------------------------------------*/
@ -165,10 +164,6 @@ int main( void )
static void prvSetupHardware( void )
{
#warning Stacks are in BRAM.
#warning Caches are disabled.
// init_platform();
microblaze_disable_interrupts();
#if defined( XPAR_MICROBLAZE_USE_ICACHE ) && ( XPAR_MICROBLAZE_USE_ICACHE != 0 )
@ -275,12 +270,13 @@ below declares as an extern. */
void vApplicationSetupTimerInterrupt( void )
{
portBASE_TYPE xStatus;
const unsigned char ucTimerCounterNumber = ( unsigned char ) 0U;
const unsigned char ucTickTimerCounterNumber = ( unsigned char ) 0U;
const unsigned char ucRunTimeStatsCounterNumber = ( unsigned char ) 1U;
const unsigned long ulCounterValue = ( ( XPAR_TMRCTR_0_CLOCK_FREQ_HZ / configTICK_RATE_HZ ) - 1UL );
extern void vPortTickISR( void *pvUnused );
/* Initialise the timer/counter. */
xStatus = XTmrCtr_Initialize( &xDualTimerInstance, XPAR_TMRCTR_0_DEVICE_ID );
xStatus = XTmrCtr_Initialize( &xTickTimerInstance, XPAR_TMRCTR_0_DEVICE_ID );
if( xStatus == XST_SUCCESS )
{
@ -298,19 +294,29 @@ extern void vPortTickISR( void *pvUnused );
vPortEnableInterrupt( XPAR_INTC_0_TMRCTR_0_VEC_ID );
/* Configure the timer interrupt handler. */
XTmrCtr_SetHandler( &xDualTimerInstance, ( void * ) vPortTickISR, NULL );
XTmrCtr_SetHandler( &xTickTimerInstance, ( void * ) vPortTickISR, NULL );
/* Set the correct period for the timer. */
XTmrCtr_SetResetValue( &xDualTimerInstance, ucTimerCounterNumber, ulCounterValue );
XTmrCtr_SetResetValue( &xTickTimerInstance, ucTickTimerCounterNumber, ulCounterValue );
/* Enable the interrupts. Auto-reload mode is used to generate a
periodic tick. Note that interrupts are disabled when this function is
called, so interrupts will not start to be processed until the first
task has started to run. */
XTmrCtr_SetOptions( &xDualTimerInstance, ucTimerCounterNumber, ( XTC_INT_MODE_OPTION | XTC_AUTO_RELOAD_OPTION | XTC_DOWN_COUNT_OPTION ) );
XTmrCtr_SetOptions( &xTickTimerInstance, ucTickTimerCounterNumber, ( XTC_INT_MODE_OPTION | XTC_AUTO_RELOAD_OPTION | XTC_DOWN_COUNT_OPTION ) );
/* Start the timer. */
XTmrCtr_Start( &xDualTimerInstance, ucTimerCounterNumber );
XTmrCtr_Start( &xTickTimerInstance, ucTickTimerCounterNumber );
/* The second timer is used as the time base for the run time stats.
Auto-reload mode is used to ensure the timer does not stop. */
XTmrCtr_SetOptions( &xTickTimerInstance, ucRunTimeStatsCounterNumber, XTC_AUTO_RELOAD_OPTION );
/* Start the timer. */
XTmrCtr_Start( &xTickTimerInstance, ucRunTimeStatsCounterNumber );
}
/* Sanity check that the function executed as expected. */
@ -344,12 +350,20 @@ void *malloc( size_t x )
}
/*-----------------------------------------------------------*/
void vMainConfigTimerForRunTimeStats( void )
{
}
/*-----------------------------------------------------------*/
uint32_t ulMainGetRunTimeCounterValue( void )
{
return 0;
static uint32_t ulOverflows = 0, ulLastTime = 0;
uint32_t ulTimeNow, ulReturn;
const uint32_t ulPrescale = 10, ulTCR2Offset = 24UL;
ulTimeNow = * ( ( uint32_t * ) ( XPAR_TMRCTR_0_BASEADDR + ulTCR2Offset ) );
if( ulTimeNow < ulLastTime )
{
ulOverflows += ( 1UL << ulPrescale );
}
ulReturn = ( ulTimeNow >> ulPrescale ) + ulOverflows;
return ulReturn;
}