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Forget to set priority of TIM6 to high priority

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This commit is contained in:
Gregory Nutt 2013-12-22 15:08:09 -06:00
parent 9e05222190
commit 866149dcc2
1 changed files with 47 additions and 21 deletions
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68
configs/viewtool-stm32f107/src/stm32_highpri.c
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@ -78,14 +78,18 @@
# error CONFIG_STM32_TIM6 is required
#endif
#ifndef VIEWTOOL_TIM6_FREQUENCY
# warning VIEWTOOL_TIM6_FREQUENCY defaulting to STM32_APB1_TIM6_CLKIN
# define VIEWTOOL_TIM6_FREQUENCY STM32_APB1_TIM6_CLKIN
#ifndef CONFIG_VIEWTOOL_TIM6_FREQUENCY
# warning CONFIG_VIEWTOOL_TIM6_FREQUENCY defaulting to STM32_APB1_TIM6_CLKIN
# define CONFIG_VIEWTOOL_TIM6_FREQUENCY STM32_APB1_TIM6_CLKIN
#endif
#ifndef VIEWTOOL_TIM6_PERIOD
# warning VIEWTOOL_TIM6_PERIOD defaulting to 1MS
# define VIEWTOOL_TIM6_PERIOD (VIEWTOOL_TIM6_FREQUENCY / 1000)
#ifndef CONFIG_VIEWTOOL_TIM6_PERIOD
# warning CONFIG_VIEWTOOL_TIM6_PERIOD defaulting to 1MS
# define CONFIG_VIEWTOOL_TIM6_PERIOD (CONFIG_VIEWTOOL_TIM6_FREQUENCY / 1000)
#endif
#ifndef CONFIG_ARCH_IRQPRIO
# error CONFIG_ARCH_IRQPRIO is required
#endif
/****************************************************************************
@ -182,6 +186,7 @@ int highpri_main(int argc, char *argv[])
uint64_t handler;
uint64_t thread;
uint64_t total;
uint32_t seconds;
int prescaler;
int ret;
@ -198,15 +203,16 @@ int highpri_main(int argc, char *argv[])
g_highpri.dev = dev;
prescaler = STM32_TIM_SETCLOCK(dev, VIEWTOOL_TIM6_FREQUENCY);
prescaler = STM32_TIM_SETCLOCK(dev, CONFIG_VIEWTOOL_TIM6_FREQUENCY);
printf("TIM6 CLKIN=%d Hz, Frequency=%d Hz, prescaler=%d\n",
STM32_APB1_TIM6_CLKIN, VIEWTOOL_TIM6_FREQUENCY, prescaler);
STM32_APB1_TIM6_CLKIN, CONFIG_VIEWTOOL_TIM6_FREQUENCY, prescaler);
STM32_TIM_SETPERIOD(dev, VIEWTOOL_TIM6_PERIOD);
STM32_TIM_SETPERIOD(dev, CONFIG_VIEWTOOL_TIM6_PERIOD);
printf("TIM6 period=%d cyles; interrupt rate=%d Hz\n",
VIEWTOOL_TIM6_PERIOD, VIEWTOOL_TIM6_FREQUENCY/VIEWTOOL_TIM6_PERIOD);
CONFIG_VIEWTOOL_TIM6_PERIOD,
CONFIG_VIEWTOOL_TIM6_FREQUENCY/CONFIG_VIEWTOOL_TIM6_PERIOD);
/* Attach and enable the TIM6 ram vector */
/* Attach TIM6 ram vector */
ret = up_ramvec_attach(STM32_IRQ_TIM6, tim6_handler);
if (ret < 0)
@ -215,17 +221,30 @@ int highpri_main(int argc, char *argv[])
return EXIT_FAILURE;
}
/* Set the priority of the TIM6 interrupt vector */
ret = up_prioritize_irq(STM32_IRQ_TIM6, NVIC_SYSH_HIGH_PRIORITY);
if (ret < 0)
{
fprintf(stderr, "highpri_main: ERROR: up_prioritize_irq failed: %d\n", ret);
return EXIT_FAILURE;
}
/* Enable the timer interrupt at the NVIC and at TIM6 */
up_enable_irq(STM32_IRQ_TIM6);
STM32_TIM_ENABLEINT(dev, 0);
/* Monitor interrupts */
seconds = 0;
for (;;)
{
/* Flush stdout and wait a bit */
fflush(stdout);
sleep(1);
seconds++;
/* Sample counts so that they are not volatile. Missing a count now
* and then is a normal consequence of this design.
@ -239,19 +258,26 @@ int highpri_main(int argc, char *argv[])
/* Then print out what is happening */
printf("Elapsed time: %d seconds\n\n", seconds);
total = enabled + nested + other;
printf(" Enabled: %lld (%d%%)\n",
enabled, (int)((100*enabled + (total / 2)) / total));
printf(" Nested: %lld (%d%%)\n",
nested, (int)((100*nested + (total / 2)) / total));
printf(" Other: %lld (%d%%)\n\n",
other, (int)((100*other + (total / 2)) / total));
if (total > 0)
{
printf(" Enabled: %lld (%d%%)\n",
enabled, (int)((100*enabled + (total / 2)) / total));
printf(" Nested: %lld (%d%%)\n",
nested, (int)((100*nested + (total / 2)) / total));
printf(" Other: %lld (%d%%)\n\n",
other, (int)((100*other + (total / 2)) / total));
}
total = handler + thread;
printf(" Handler: %lld (%d%%)\n",
handler, (int)((100*handler + (total / 2)) / total));
printf(" Thread: %lld (%d%%)\n\n",
thread, (int)((100*thread + (total / 2)) / total));
if (total > 0)
{
printf(" Handler: %lld (%d%%)\n",
handler, (int)((100*handler + (total / 2)) / total));
printf(" Thread: %lld (%d%%)\n\n",
thread, (int)((100*thread + (total / 2)) / total));
}
}
return EXIT_SUCCESS;