diff options
Diffstat (limited to 'testhal/STM32F3xx/IRQ_STORM/main.c')
| -rw-r--r-- | testhal/STM32F3xx/IRQ_STORM/main.c | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/testhal/STM32F3xx/IRQ_STORM/main.c b/testhal/STM32F3xx/IRQ_STORM/main.c new file mode 100644 index 000000000..6ba712a3d --- /dev/null +++ b/testhal/STM32F3xx/IRQ_STORM/main.c @@ -0,0 +1,335 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdlib.h>
+
+#include "ch.h"
+#include "hal.h"
+
+/*===========================================================================*/
+/* 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 4
+#endif
+
+/*===========================================================================*/
+/* Test related code. */
+/*===========================================================================*/
+
+#define MSG_SEND_LEFT 0
+#define MSG_SEND_RIGHT 1
+
+static bool_t saturated;
+
+/*
+ * Mailboxes and buffers.
+ */
+static Mailbox mb[NUM_THREADS];
+static msg_t b[NUM_THREADS][MAILBOX_SIZE];
+
+/*
+ * Test worker threads.
+ */
+static WORKING_AREA(waWorkerThread[NUM_THREADS], 128);
+static msg_t WorkerThread(void *arg) {
+ static volatile unsigned x = 0;
+ static unsigned cnt = 0;
+ unsigned me = (unsigned)arg;
+ unsigned target;
+ unsigned r;
+ msg_t msg;
+
+ chRegSetThreadName("worker");
+
+ /* Work loop.*/
+ while (TRUE) {
+ /* Waiting for a message.*/
+ chMBFetch(&mb[me], &msg, TIME_INFINITE);
+
+#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)
+ target = me - 1;
+ else
+ target = me + 1;
+
+ if (target < NUM_THREADS) {
+ /* If this thread is not at the end of a chain re-sending the message,
+ note this check works because the variable target is unsigned.*/
+ msg = chMBPost(&mb[target], msg, TIME_IMMEDIATE);
+ if (msg != RDY_OK)
+ saturated = TRUE;
+ }
+ else {
+ /* Provides a visual feedback about the system.*/
+ if (++cnt >= 500) {
+ cnt = 0;
+ palTogglePad(GPIOE, GPIOE_LED10_RED);
+ }
+ }
+ }
+}
+
+/*
+ * GPT2 callback.
+ */
+static void gpt2cb(GPTDriver *gptp) {
+ msg_t msg;
+
+ (void)gptp;
+ chSysLockFromIsr();
+ msg = chMBPostI(&mb[0], MSG_SEND_RIGHT);
+ if (msg != RDY_OK)
+ saturated = TRUE;
+ chSysUnlockFromIsr();
+}
+
+/*
+ * GPT3 callback.
+ */
+static void gpt3cb(GPTDriver *gptp) {
+ msg_t msg;
+
+ (void)gptp;
+ chSysLockFromIsr();
+ msg = chMBPostI(&mb[NUM_THREADS - 1], MSG_SEND_LEFT);
+ if (msg != RDY_OK)
+ saturated = TRUE;
+ chSysUnlockFromIsr();
+}
+
+/*
+ * GPT2 configuration.
+ */
+static const GPTConfig gpt2cfg = {
+ 1000000, /* 1MHz timer clock.*/
+ gpt2cb /* Timer callback.*/
+};
+
+/*
+ * GPT3 configuration.
+ */
+static const GPTConfig gpt3cfg = {
+ 1000000, /* 1MHz timer clock.*/
+ gpt3cb /* Timer callback.*/
+};
+
+
+/*===========================================================================*/
+/* Generic demo code. */
+/*===========================================================================*/
+
+static void print(char *p) {
+
+ while (*p) {
+ chSequentialStreamPut(&SD1, *p++);
+ }
+}
+
+static void println(char *p) {
+
+ while (*p) {
+ chSequentialStreamPut(&SD1, *p++);
+ }
+ chSequentialStreamWrite(&SD1, (uint8_t *)"\r\n", 2);
+}
+
+static void printn(uint32_t n) {
+ char buf[16], *p;
+
+ if (!n)
+ chSequentialStreamPut(&SD1, '0');
+ else {
+ p = buf;
+ while (n)
+ *p++ = (n % 10) + '0', n /= 10;
+ while (p > buf)
+ chSequentialStreamPut(&SD1, *--p);
+ }
+}
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+ unsigned i;
+ gptcnt_t interval, threshold, worst;
+
+ /*
+ * System initializations.
+ * - HAL initialization, this also initializes the configured device drivers
+ * and performs the board-specific initializations.
+ * - Kernel initialization, the main() function becomes a thread and the
+ * RTOS is active.
+ */
+ halInit();
+ chSysInit();
+
+ /*
+ * Prepares the Serial driver 2 and GPT drivers 2 and 3.
+ */
+ sdStart(&SD1, NULL);
+ palSetPadMode(GPIOA, 9, PAL_MODE_ALTERNATE(7));
+ palSetPadMode(GPIOA, 10, PAL_MODE_ALTERNATE(7));
+
+ /*
+ * Activates GPTs.
+ */
+ gptStart(&GPTD2, &gpt2cfg);
+ gptStart(&GPTD3, &gpt3cfg);
+
+ /*
+ * Initializes the mailboxes and creates the worker threads.
+ */
+ for (i = 0; i < NUM_THREADS; i++) {
+ chMBInit(&mb[i], b[i], MAILBOX_SIZE);
+ chThdCreateStatic(waWorkerThread[i], sizeof waWorkerThread[i],
+ NORMALPRIO - 20, WorkerThread, (void *)i);
+ }
+
+ /*
+ * Test procedure.
+ */
+ println("");
+ println("*** ChibiOS/RT IRQ-STORM long duration test");
+ println("***");
+ print("*** Kernel: ");
+ println(CH_KERNEL_VERSION);
+ print("*** Compiled: ");
+ println(__DATE__ " - " __TIME__);
+#ifdef CH_COMPILER_NAME
+ print("*** Compiler: ");
+ println(CH_COMPILER_NAME);
+#endif
+ print("*** Architecture: ");
+ println(CH_ARCHITECTURE_NAME);
+#ifdef CH_CORE_VARIANT_NAME
+ print("*** Core Variant: ");
+ println(CH_CORE_VARIANT_NAME);
+#endif
+#ifdef CH_PORT_INFO
+ print("*** Port Info: ");
+ println(CH_PORT_INFO);
+#endif
+#ifdef PLATFORM_NAME
+ print("*** Platform: ");
+ println(PLATFORM_NAME);
+#endif
+#ifdef BOARD_NAME
+ print("*** Test Board: ");
+ println(BOARD_NAME);
+#endif
+ 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("");
+ worst = 0;
+ for (i = 1; i <= ITERATIONS; i++){
+ print("Iteration ");
+ printn(i);
+ println("");
+ saturated = FALSE;
+ threshold = 0;
+ for (interval = 2000; interval >= 10; interval -= interval / 10) {
+ gptStartContinuous(&GPTD2, interval - 1); /* Slightly out of phase.*/
+ gptStartContinuous(&GPTD3, interval + 1); /* Slightly out of phase.*/
+ chThdSleepMilliseconds(1000);
+ gptStopTimer(&GPTD2);
+ gptStopTimer(&GPTD3);
+ if (!saturated)
+ print(".");
+ else {
+ print("#");
+ if (threshold == 0)
+ threshold = interval;
+ }
+ }
+ /* Gives the worker threads a chance to empty the mailboxes before next
+ cycle.*/
+ chThdSleepMilliseconds(20);
+ println("");
+ print("Saturated at ");
+ printn(threshold);
+ println(" uS");
+ println("");
+ if (threshold > worst)
+ worst = threshold;
+ }
+ gptStopTimer(&GPTD2);
+ gptStopTimer(&GPTD3);
+
+ print("Worst case at ");
+ printn(worst);
+ println(" uS");
+ println("");
+ println("Test Complete");
+
+ /*
+ * Normal main() thread activity, nothing in this test.
+ */
+ while (TRUE) {
+ chThdSleepMilliseconds(5000);
+ }
+}
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