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feat(udp): Allow to change the async_udp task stack size #12003

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Merged
merged 1 commit into from
Nov 10, 2025
+28 −1
Merged

feat(udp): Allow to change the async_udp task stack size #12003

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6 changes: 6 additions & 0 deletions Kconfig.projbuild
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Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,12 @@ config ARDUINO_UDP_TASK_PRIORITY
help
Select at what priority you want the UDP task to run.

config ARDUINO_UDP_TASK_STACK_SIZE
int "UDP task stack size"
default 4096
help
Amount of stack available for the UDP task.

config ARDUINO_ISR_IRAM
bool "Run interrupts in IRAM"
default "n"
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23 changes: 22 additions & 1 deletion libraries/AsyncUDP/src/AsyncUDP.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,27 @@ extern "C" {

#include "lwip/priv/tcpip_priv.h"

#ifndef CONFIG_ARDUINO_UDP_TASK_STACK_SIZE
#define CONFIG_ARDUINO_UDP_TASK_STACK_SIZE 4096
#endif
#ifndef ARDUINO_UDP_TASK_STACK_SIZE
#define ARDUINO_UDP_TASK_STACK_SIZE CONFIG_ARDUINO_UDP_TASK_STACK_SIZE
#endif

#ifndef CONFIG_ARDUINO_UDP_TASK_PRIORITY
#define CONFIG_ARDUINO_UDP_TASK_PRIORITY 3
#endif
#ifndef ARDUINO_UDP_TASK_PRIORITY
#define ARDUINO_UDP_TASK_PRIORITY CONFIG_ARDUINO_UDP_TASK_PRIORITY
#endif

#ifndef CONFIG_ARDUINO_UDP_RUNNING_CORE
#define CONFIG_ARDUINO_UDP_RUNNING_CORE -1
#endif
#ifndef ARDUINO_UDP_RUNNING_CORE
#define ARDUINO_UDP_RUNNING_CORE CONFIG_ARDUINO_UDP_RUNNING_CORE
#endif

#ifdef CONFIG_LWIP_TCPIP_CORE_LOCKING
#define UDP_MUTEX_LOCK() \
if (!sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER)) { \
Expand Down Expand Up @@ -189,7 +210,7 @@ static bool _udp_task_start() {
}
if (!_udp_task_handle) {
xTaskCreateUniversal(
_udp_task, "async_udp", 4096, NULL, CONFIG_ARDUINO_UDP_TASK_PRIORITY, (TaskHandle_t *)&_udp_task_handle, CONFIG_ARDUINO_UDP_RUNNING_CORE
_udp_task, "async_udp", ARDUINO_UDP_TASK_STACK_SIZE, NULL, ARDUINO_UDP_TASK_PRIORITY, (TaskHandle_t *)&_udp_task_handle, ARDUINO_UDP_RUNNING_CORE
);
if (!_udp_task_handle) {
return false;
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