espressif/arduino-esp32
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Adds support to change LoopTask Stack size (#6025)

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## Summary
Arduino ```setup()``` and ```loop()``` run under a Task with a fixed Stack size of 8KB.
Users may want to change this size.

This PR adds this possibility by just adding a line of code, as for example:
``` dart
ESP_LOOP_TASK_STACK_SIZE(16384);

void setup() { 
}

void loop() { 
}
```
## Impact
None. It adds a new functionality to ESP32 Arduino.
If ```ESP_LOOP_TASK_STACK_SIZE(newSize);``` is not declared/used, it will compile the sketch with the default stack size of 8KB.

## Related links
fix #6010 

https://github.com/espressif/arduino-esp32/issues/6010#issuecomment-992701658
Thanks @igrr for the suggestion!
This commit is contained in:
Rodrigo Garcia
2021-12-20 08:10:36 -03:00
committed by GitHub
parent 5940d89e67
commit 82ec74a072
3 changed files with 44 additions and 1 deletions
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3
cores/esp32/Arduino.h
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@ -179,6 +179,9 @@ uint16_t makeWord(uint8_t h, uint8_t l);
#define word(...) makeWord(__VA_ARGS__)
size_t getArduinoLoopTaskStackSize(void);
#define SET_LOOP_TASK_STACK_SIZE(sz) size_t getArduinoLoopTaskStackSize() { return sz;}
unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L);
unsigned long pulseInLong(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L);

6
cores/esp32/main.cpp
View File

@ -33,6 +33,10 @@ void yieldIfNecessary(void){
bool loopTaskWDTEnabled;
__attribute__((weak)) size_t getArduinoLoopTaskStackSize(void) {
return ARDUINO_LOOP_STACK_SIZE;
}
void loopTask(void *pvParameters)
{
setup();
@ -64,7 +68,7 @@ extern "C" void app_main()
#endif
loopTaskWDTEnabled = false;
initArduino();
xTaskCreateUniversal(loopTask, "loopTask", ARDUINO_LOOP_STACK_SIZE, NULL, 1, &loopTaskHandle, ARDUINO_RUNNING_CORE);
xTaskCreateUniversal(loopTask, "loopTask", getArduinoLoopTaskStackSize(), NULL, 1, &loopTaskHandle, ARDUINO_RUNNING_CORE);
}
#endif