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freertos,esp32: automatic light sleep support

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This commit is contained in:
Ivan Grokhotkov
2018-04-12 18:18:45 +08:00
committed by bot
parent 51aceaa030
commit 028fbb58e8
9 changed files with 404 additions and 8 deletions
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45
components/freertos/tasks.c
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@@ -2151,6 +2151,23 @@ void vTaskSuspendAll( void )
#if ( configUSE_TICKLESS_IDLE != 0 )
static BaseType_t xHaveReadyTasks()
{
for (int i = tskIDLE_PRIORITY + 1; i < configMAX_PRIORITIES; ++i)
{
if( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ i ] ) ) > 0 )
{
return pdTRUE;
}
else
{
mtCOVERAGE_TEST_MARKER();
}
}
return pdFALSE;
}
static TickType_t prvGetExpectedIdleTime( void )
{
TickType_t xReturn;
@@ -2161,7 +2178,18 @@ void vTaskSuspendAll( void )
{
xReturn = 0;
}
else if( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ tskIDLE_PRIORITY ] ) ) > 1 )
#if portNUM_PROCESSORS > 1
/* This function is called from Idle task; in single core case this
* means that no higher priority tasks are ready to run, and we can
* enter sleep. In SMP case, there might be ready tasks waiting for
* the other CPU, so need to check all ready lists.
*/
else if( xHaveReadyTasks() )
{
xReturn = 0;
}
#endif // portNUM_PROCESSORS > 1
else if( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ tskIDLE_PRIORITY ] ) ) > portNUM_PROCESSORS )
{
/* There are other idle priority tasks in the ready state. If
time slicing is used then the very next tick interrupt must be
@@ -3405,7 +3433,6 @@ static portTASK_FUNCTION( prvIdleTask, pvParameters )
#endif /* configUSE_IDLE_HOOK */
{
/* Call the esp-idf hook system */
extern void esp_vApplicationIdleHook( void );
esp_vApplicationIdleHook();
}
@@ -3417,6 +3444,7 @@ static portTASK_FUNCTION( prvIdleTask, pvParameters )
#if ( configUSE_TICKLESS_IDLE != 0 )
{
TickType_t xExpectedIdleTime;
BaseType_t xEnteredSleep = pdFALSE;
/* It is not desirable to suspend then resume the scheduler on
each iteration of the idle task. Therefore, a preliminary
@@ -3427,7 +3455,6 @@ static portTASK_FUNCTION( prvIdleTask, pvParameters )
if( xExpectedIdleTime >= configEXPECTED_IDLE_TIME_BEFORE_SLEEP )
{
// vTaskSuspendAll();
taskENTER_CRITICAL(&xTaskQueueMutex);
{
/* Now the scheduler is suspended, the expected idle
@@ -3439,7 +3466,7 @@ static portTASK_FUNCTION( prvIdleTask, pvParameters )
if( xExpectedIdleTime >= configEXPECTED_IDLE_TIME_BEFORE_SLEEP )
{
traceLOW_POWER_IDLE_BEGIN();
portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime );
xEnteredSleep = portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime );
traceLOW_POWER_IDLE_END();
}
else
@@ -3448,13 +3475,21 @@ static portTASK_FUNCTION( prvIdleTask, pvParameters )
}
}
taskEXIT_CRITICAL(&xTaskQueueMutex);
// ( void ) xTaskResumeAll();
}
else
{
mtCOVERAGE_TEST_MARKER();
}
/* It might be possible to enter tickless idle again, so skip
* the fallback sleep hook if tickless idle was successful
*/
if ( !xEnteredSleep )
{
esp_vApplicationWaitiHook();
}
}
#else
esp_vApplicationWaitiHook();
#endif /* configUSE_TICKLESS_IDLE */
}
}