Add run-time stats to the Kintex7 Microblaze demo.

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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@ -106,9 +106,9 @@ this demo on the FreeRTOS.org web site for more information. */
/* Constants that describe the hardware and memory usage. */
#define configCPU_CLOCK_HZ ( Not used in this demo as it is determined by the hardware )
#define configMINIMAL_STACK_SIZE ( ( uint16_t ) 220 )
#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 50 * 1024 ) ) /* No effect if heap_3.c is used. */
#define configMAX_TASK_NAME_LEN ( 12 )
#define configMINIMAL_STACK_SIZE ( ( uint16_t ) 170 )
#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 80 * 1024 ) ) /* No effect if heap_3.c is used. */
#define configMAX_TASK_NAME_LEN ( 10 )
/* Constants that build features in or out. */
#define configUSE_MUTEXES 1
@ -133,8 +133,8 @@ this demo on the FreeRTOS.org web site for more information. */
/* Constants related to the generation of run time stats. */
#define configGENERATE_RUN_TIME_STATS 1
#define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() vMainConfigTimerForRunTimeStats(); /* Only used when configGENERATE_RUN_TIME_STATS is 1. */
#define portGET_RUN_TIME_COUNTER_VALUE() ulMainGetRunTimeCounterValue(); /* Only used when configGENERATE_RUN_TIME_STATS is 1. */
#define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() /* Only used when configGENERATE_RUN_TIME_STATS is 1. In this case the timer is setup when the tick timer is set up. */
#define portGET_RUN_TIME_COUNTER_VALUE() ulMainGetRunTimeCounterValue() /* Only used when configGENERATE_RUN_TIME_STATS is 1. */
/* Software timer definitions. */
#define configUSE_TIMERS 1
@ -175,11 +175,10 @@ are multiple command interpreters running at once (for example, one on a UART
and one on TCP/IP). This is done to prevent an output buffer being defined by
each implementation - which would waste RAM. In this case, there is only one
command interpreter running. */
#define configCOMMAND_INT_MAX_OUTPUT_SIZE 1024
#define configCOMMAND_INT_MAX_OUTPUT_SIZE 2048
/* Prevent the function prototypes being included from asm files. */
#ifndef __ASSEMBLER__
void vMainConfigTimerForRunTimeStats( void );
uint32_t ulMainGetRunTimeCounterValue( void );
void vAssertCalled( const char * pcFile, unsigned long ulLine );
#endif

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@ -147,7 +147,7 @@
#define mainBLOCK_Q_PRIORITY ( tskIDLE_PRIORITY + 2UL )
#define mainCREATOR_TASK_PRIORITY ( tskIDLE_PRIORITY + 3UL )
#define mainFLOP_TASK_PRIORITY ( tskIDLE_PRIORITY )
#define mainUART_COMMAND_CONSOLE_STACK_SIZE ( configMINIMAL_STACK_SIZE * 3UL )
#define mainUART_COMMAND_CONSOLE_STACK_SIZE ( configMINIMAL_STACK_SIZE * 2UL )
#define mainCOM_TEST_TASK_PRIORITY ( tskIDLE_PRIORITY + 2 )
#define mainCHECK_TASK_PRIORITY ( configMAX_PRIORITIES - 1 )
#define mainQUEUE_OVERWRITE_PRIORITY ( tskIDLE_PRIORITY )

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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;
}

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@ -0,0 +1,285 @@
/*
Copyright 2001, 2002 Georges Menie (www.menie.org)
stdarg version contributed by Christian Ettinger
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
putchar is the only external dependency for this file,
if you have a working putchar, leave it commented out.
If not, uncomment the define below and
replace outbyte(c) by your own function call.
*/
#define putchar(c) c
#include <stdarg.h>
static void printchar(char **str, int c)
{
//extern int putchar(int c);
if (str) {
**str = (char)c;
++(*str);
}
else
{
(void)putchar(c);
}
}
#define PAD_RIGHT 1
#define PAD_ZERO 2
static int prints(char **out, const char *string, int width, int pad)
{
register int pc = 0, padchar = ' ';
if (width > 0) {
register int len = 0;
register const char *ptr;
for (ptr = string; *ptr; ++ptr) ++len;
if (len >= width) width = 0;
else width -= len;
if (pad & PAD_ZERO) padchar = '0';
}
if (!(pad & PAD_RIGHT)) {
for ( ; width > 0; --width) {
printchar (out, padchar);
++pc;
}
}
for ( ; *string ; ++string) {
printchar (out, *string);
++pc;
}
for ( ; width > 0; --width) {
printchar (out, padchar);
++pc;
}
return pc;
}
/* the following should be enough for 32 bit int */
#define PRINT_BUF_LEN 12
static int printi(char **out, int i, int b, int sg, int width, int pad, int letbase)
{
char print_buf[PRINT_BUF_LEN];
register char *s;
register int t, neg = 0, pc = 0;
register unsigned int u = (unsigned int)i;
if (i == 0) {
print_buf[0] = '0';
print_buf[1] = '\0';
return prints (out, print_buf, width, pad);
}
if (sg && b == 10 && i < 0) {
neg = 1;
u = (unsigned int)-i;
}
s = print_buf + PRINT_BUF_LEN-1;
*s = '\0';
while (u) {
t = (unsigned int)u % b;
if( t >= 10 )
t += letbase - '0' - 10;
*--s = (char)(t + '0');
u /= b;
}
if (neg) {
if( width && (pad & PAD_ZERO) ) {
printchar (out, '-');
++pc;
--width;
}
else {
*--s = '-';
}
}
return pc + prints (out, s, width, pad);
}
static int print( char **out, const char *format, va_list args )
{
register int width, pad;
register int pc = 0;
char scr[2];
for (; *format != 0; ++format) {
if (*format == '%') {
++format;
width = pad = 0;
if (*format == '\0') break;
if (*format == '%') goto out;
if (*format == '-') {
++format;
pad = PAD_RIGHT;
}
while (*format == '0') {
++format;
pad |= PAD_ZERO;
}
for ( ; *format >= '0' && *format <= '9'; ++format) {
width *= 10;
width += *format - '0';
}
if( *format == 's' ) {
register char *s = (char *)va_arg( args, int );
pc += prints (out, s?s:"(null)", width, pad);
continue;
}
if( *format == 'd' ) {
pc += printi (out, va_arg( args, int ), 10, 1, width, pad, 'a');
continue;
}
if( *format == 'x' ) {
pc += printi (out, va_arg( args, int ), 16, 0, width, pad, 'a');
continue;
}
if( *format == 'X' ) {
pc += printi (out, va_arg( args, int ), 16, 0, width, pad, 'A');
continue;
}
if( *format == 'u' ) {
pc += printi (out, va_arg( args, int ), 10, 0, width, pad, 'a');
continue;
}
if( *format == 'c' ) {
/* char are converted to int then pushed on the stack */
scr[0] = (char)va_arg( args, int );
scr[1] = '\0';
pc += prints (out, scr, width, pad);
continue;
}
}
else {
out:
printchar (out, *format);
++pc;
}
}
if (out) **out = '\0';
va_end( args );
return pc;
}
int printf(const char *format, ...)
{
va_list args;
va_start( args, format );
return print( 0, format, args );
}
int sprintf(char *out, const char *format, ...)
{
va_list args;
va_start( args, format );
return print( &out, format, args );
}
int snprintf( char *buf, unsigned int count, const char *format, ... )
{
va_list args;
( void ) count;
va_start( args, format );
return print( &buf, format, args );
}
#ifdef TEST_PRINTF
int main(void)
{
char *ptr = "Hello world!";
char *np = 0;
int i = 5;
unsigned int bs = sizeof(int)*8;
int mi;
char buf[80];
mi = (1 << (bs-1)) + 1;
printf("%s\n", ptr);
printf("printf test\n");
printf("%s is null pointer\n", np);
printf("%d = 5\n", i);
printf("%d = - max int\n", mi);
printf("char %c = 'a'\n", 'a');
printf("hex %x = ff\n", 0xff);
printf("hex %02x = 00\n", 0);
printf("signed %d = unsigned %u = hex %x\n", -3, -3, -3);
printf("%d %s(s)%", 0, "message");
printf("\n");
printf("%d %s(s) with %%\n", 0, "message");
sprintf(buf, "justif: \"%-10s\"\n", "left"); printf("%s", buf);
sprintf(buf, "justif: \"%10s\"\n", "right"); printf("%s", buf);
sprintf(buf, " 3: %04d zero padded\n", 3); printf("%s", buf);
sprintf(buf, " 3: %-4d left justif.\n", 3); printf("%s", buf);
sprintf(buf, " 3: %4d right justif.\n", 3); printf("%s", buf);
sprintf(buf, "-3: %04d zero padded\n", -3); printf("%s", buf);
sprintf(buf, "-3: %-4d left justif.\n", -3); printf("%s", buf);
sprintf(buf, "-3: %4d right justif.\n", -3); printf("%s", buf);
return 0;
}
/*
* if you compile this file with
* gcc -Wall $(YOUR_C_OPTIONS) -DTEST_PRINTF -c printf.c
* you will get a normal warning:
* printf.c:214: warning: spurious trailing `%' in format
* this line is testing an invalid % at the end of the format string.
*
* this should display (on 32bit int machine) :
*
* Hello world!
* printf test
* (null) is null pointer
* 5 = 5
* -2147483647 = - max int
* char a = 'a'
* hex ff = ff
* hex 00 = 00
* signed -3 = unsigned 4294967293 = hex fffffffd
* 0 message(s)
* 0 message(s) with %
* justif: "left "
* justif: " right"
* 3: 0003 zero padded
* 3: 3 left justif.
* 3: 3 right justif.
* -3: -003 zero padded
* -3: -3 left justif.
* -3: -3 right justif.
*/
#endif

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@ -79,6 +79,7 @@
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
#include "comtest_strings.h"
@ -103,6 +104,10 @@ static XUartLite xUartLiteInstance;
/* The queue used to hold received characters. */
static QueueHandle_t xRxedChars;
/* Holds the handle of a task performing a Tx so it can be notified of when
the Tx has completed. */
static TaskHandle_t xUARTSendingTask = NULL;
/*-----------------------------------------------------------*/
xComPortHandle xSerialPortInitMinimal( unsigned long ulWantedBaud, unsigned portBASE_TYPE uxQueueLength )
@ -182,20 +187,40 @@ portBASE_TYPE xReturn;
signed portBASE_TYPE xSerialPutChar( xComPortHandle pxPort, signed char cOutChar, TickType_t xBlockTime )
{
const TickType_t xMaxBlockTime = pdMS_TO_TICKS( 150UL );
portBASE_TYPE xReturn;
( void ) pxPort;
( void ) xBlockTime;
/* Note this is the currently sending task. */
xUARTSendingTask = xTaskGetCurrentTaskHandle();
XUartLite_Send( &xUartLiteInstance, ( unsigned char * ) &cOutChar, sizeof( cOutChar ) );
return pdPASS;
/* Wait in the Blocked state (so not using any CPU time) for the Tx to
complete. */
xReturn = ulTaskNotifyTake( pdTRUE, xMaxBlockTime );
return xReturn;
}
/*-----------------------------------------------------------*/
void vSerialPutString( xComPortHandle pxPort, const signed char * const pcString, unsigned short usStringLength )
{
const TickType_t xMaxBlockTime = pdMS_TO_TICKS( 150UL );
( void ) pxPort;
/* Note this is the currently sending task. */
xUARTSendingTask = xTaskGetCurrentTaskHandle();
/* Output uxStringLength bytes starting from pcString. */
XUartLite_Send( &xUartLiteInstance, ( unsigned char * ) pcString, usStringLength );
/* Wait in the Blocked state (so not using any CPU time) for the Tx to
complete. */
ulTaskNotifyTake( pdTRUE, xMaxBlockTime );
}
/*-----------------------------------------------------------*/
@ -225,14 +250,21 @@ portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
}
/*-----------------------------------------------------------*/
static void prvTxHandler( void *pvUnused, unsigned portBASE_TYPE uxByteCount )
static void prvTxHandler( void *pvUnused, unsigned portBASE_TYPE uxUnused )
{
( void ) pvUnused;
( void ) uxByteCount;
BaseType_t xHigherPriorityTaskWoken = NULL;
/* Nothing to do here. The Xilinx library function takes care of the
transmission. */
portNOP();
( void ) pvUnused;
( void ) uxUnused;
/* Notify the sending that that the Tx has completed. */
if( xUARTSendingTask != NULL )
{
vTaskNotifyGiveFromISR( xUARTSendingTask, &xHigherPriorityTaskWoken );
xUARTSendingTask = NULL;
}
portYIELD_FROM_ISR( xHigherPriorityTaskWoken );
}