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Merge pull request #58 from vas-dav/runtime-stats

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clock: [#55] Overflow handling for FreeRTOS stats.
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Vasily Davydov 2023-05-30 11:05:59 +03:00 committed by GitHub
commit dc0dc1f095
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2 changed files with 16 additions and 3 deletions
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6
source/shoh/freertos/FreeRTOSConfig.h
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@ -93,7 +93,8 @@
#define configUSE_COUNTING_SEMAPHORES 1
#define configGENERATE_RUN_TIME_STATS 1
#define configRECORD_STACK_HIGH_ADDRESS 1
#define configUSE_TICKLESS_IDLE 1
#define configUSE_TICKLESS_IDLE 1
#define configRUN_TIME_COUNTER_TYPE uint64_t
/* Co-routine definitions. */
@ -126,9 +127,10 @@ to exclude the API function. */
* must set up LPC_SCT1.
*/
void vConfigureTimerForRunTimeStats(void);
configRUN_TIME_COUNTER_TYPE ulGetTimeForRunTimeStats(void);
#define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() vConfigureTimerForRunTimeStats()
/* The value is read directly from the counter register for efficiency and low overhead. */
#define portGET_RUN_TIME_COUNTER_VALUE() LPC_SCT1->COUNT_U
#define portGET_RUN_TIME_COUNTER_VALUE() ulGetTimeForRunTimeStats()
/* Cortex-M specific definitions. */
#ifdef __NVIC_PRIO_BITS

13
source/shoh/src/peripherals/Clock.cpp
View File

@ -29,7 +29,7 @@ extern "C" {
/**
* @brief This function is used by FreeRTOS to configure the collection of
* time used by tasks.
* time used by tasks. (This timer is also used for logging timestamps.)
*/
void
vConfigureTimerForRunTimeStats (void)
@ -55,6 +55,17 @@ extern "C" {
LPC_SCT1->CONFIG = SCT_CONFIG_32BIT_COUNTER;
LPC_SCT1->CTRL_U = SCT_CTRL_CLRCTR_L;
}
/**
* @brief Used by FreeRTOS to collect runtime statistics.
* @paragraph FreeRTOS is unable to handle the counter overflow, so it must be done from our side.
* @return configRUN_TIME_COUNTER_TYPE
*/
configRUN_TIME_COUNTER_TYPE ulGetTimeForRunTimeStats(void)
{
return (configRUN_TIME_COUNTER_TYPE)(((double)(counter_overflows - 1) * max_counter_value) + LPC_SCT1->COUNT_U)
/ ((double)Chip_Clock_GetMainClockRate() / 1000);
}
}
/**