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Abortable Arduino delay() #3227

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Abortable Arduino delay() #3227

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b4cd545
Abortable Arduino delay()
dok-net Sep 18, 2019
0cafd7c
Selective API between ISR and user space.
dok-net Sep 18, 2019
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12 changes: 11 additions & 1 deletion cores/esp32/esp32-hal-misc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,16 @@ void yield()
extern TaskHandle_t loopTaskHandle;
extern bool loopTaskWDTEnabled;

void IRAM_ATTR abortLoopDelay(){
if(loopTaskHandle != NULL){
if (xPortInIsrContext()){
vTaskNotifyGiveFromISR(loopTaskHandle, NULL);
} else {
xTaskNotifyGive(loopTaskHandle);
}
}
}

void enableLoopWDT(){
if(loopTaskHandle != NULL){
if(esp_task_wdt_add(loopTaskHandle) != ESP_OK){
Expand Down Expand Up @@ -141,7 +151,7 @@ unsigned long IRAM_ATTR millis()

void delay(uint32_t ms)
{
vTaskDelay(ms / portTICK_PERIOD_MS);
ulTaskNotifyTake(pdTRUE, ms / portTICK_PERIOD_MS);
}

void IRAM_ATTR delayMicroseconds(uint32_t us)
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1 change: 1 addition & 0 deletions cores/esp32/esp32-hal.h
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Expand Up @@ -74,6 +74,7 @@ void yield(void);
float temperatureRead();

#if CONFIG_AUTOSTART_ARDUINO
void abortLoopDelay();
//enable/disable WDT for Arduino's setup and loop functions
void enableLoopWDT();
void disableLoopWDT();
Expand Down