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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2792 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2011-03-05 12:21:45 +00:00
parent b122874af2
commit 2de7c9ddf9
1 changed files with 71 additions and 17 deletions
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88
testhal/STM32/IRQ_STORM/main.c
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@ -17,15 +17,34 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include "ch.h"
#include "hal.h"
/*===========================================================================*/
/* Test related code. */
/* Configurable settings. */
/*===========================================================================*/
#ifndef RANDOMIZE
#define RANDOMIZE FALSE
#endif
#ifndef ITERATIONS
#define ITERATIONS 100
#endif
#ifndef NUM_THREADS
#define NUM_THREADS 4
#endif
#ifndef MAILBOX_SIZE
#define MAILBOX_SIZE 2
#endif
/*===========================================================================*/
/* Test related code. */
/*===========================================================================*/
#define MSG_SEND_LEFT 0
#define MSG_SEND_RIGHT 1
@ -43,11 +62,11 @@ static msg_t b[NUM_THREADS][MAILBOX_SIZE];
*/
static WORKING_AREA(waWorkerThread[NUM_THREADS], 128);
static msg_t WorkerThread(void *arg) {
static volatile uint32_t x = 0;
static uint32_t cnt = 0;
uint32_t me = (uint32_t)arg;
uint32_t target;
uint32_t i;
static volatile unsigned x = 0;
static unsigned cnt = 0;
unsigned me = (unsigned)arg;
unsigned target;
unsigned r;
msg_t msg;
/* Work loop.*/
@ -55,9 +74,23 @@ static msg_t WorkerThread(void *arg) {
/* Waiting for a message.*/
chMBFetch(&mb[me], &msg, TIME_INFINITE);
/* Pseudo-random delay.*/
for (i = 0; i < (me >> 4); i++)
x++;
#if RANDOMIZE
/* Pseudo-random delay.*/
{
chSysLock();
r = rand() & 15;
chSysUnlock();
while (r--)
x++;
}
#else
/* Fixed delay.*/
{
r = me >> 4;
while (r--)
x++;
}
#endif
/* Deciding in which direction to re-send the message.*/
if (msg == MSG_SEND_LEFT)
@ -165,8 +198,7 @@ static void printn(uint32_t n) {
*/
int main(void) {
unsigned i;
gptcnt_t interval;
gptcnt_t threshold;
gptcnt_t interval, threshold, worst;
/*
* System initializations.
@ -201,7 +233,7 @@ int main(void) {
println("*** ChibiOS/RT IRQ-STORM long duration test");
println("***");
print("*** Kernel: ");
println(CH_KERNEL_VERSION);
println(CH_KERNEL_VERSION);
#ifdef __GNUC__
print("*** GCC Version: ");
println(__VERSION__);
@ -220,12 +252,26 @@ int main(void) {
print("*** Test Board: ");
println(BOARD_NAME);
#endif
print("*** SYSCLK: ");
println("***");
print("*** System Clock: ");
printn(STM32_SYSCLK);
println("");
print("*** Iterations: ");
printn(ITERATIONS);
println("");
print("*** Randomize: ");
printn(RANDOMIZE);
println("");
print("*** Threads: ");
printn(NUM_THREADS);
println("");
print("*** Mailbox size: ");
printn(MAILBOX_SIZE);
println("");
println("");
for (i = 1; i <= 100; i++){
worst = 0;
for (i = 1; i <= ITERATIONS; i++){
print("Iteration ");
printn(i);
println("");
@ -248,14 +294,22 @@ int main(void) {
/* Gives the worker threads a chance to empty the mailboxes before next
cycle.*/
chThdSleepMilliseconds(20);
print("\r\nSaturated at ");
println("");
print("Saturated at ");
printn(threshold);
print(" uS\r\n\n");
println(" uS");
println("");
if (threshold > worst)
worst = threshold;
}
gptStopTimer(&GPTD1);
gptStopTimer(&GPTD2);
println("\r\nTest Complete");
print("Worst case at ");
printn(worst);
println(" uS");
println("");
println("Test Complete");
/*
* Normal main() thread activity, nothing in this test.