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40 lines
1.5 KiB
C++
40 lines
1.5 KiB
C++
#if defined(NRF52_PLATFORM)
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#include <Arduino.h>
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#include <FreeRTOS.h>
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#include <task.h>
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#include <string.h>
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#ifndef MESH_NRF52_LOOP_STACK_WORDS
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#define MESH_NRF52_LOOP_STACK_WORDS 2048
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#endif
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static_assert(MESH_NRF52_LOOP_STACK_WORDS >= 1024,
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"The nRF52 loop task stack must not be smaller than the framework default");
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extern "C" BaseType_t __real_xTaskCreate(
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TaskFunction_t task_code, const char* const task_name,
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const configSTACK_DEPTH_TYPE stack_depth, void* const parameters,
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UBaseType_t priority, TaskHandle_t* const created_task);
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// The Adafruit nRF52 core hard-codes the Arduino loop task to 1024 32-bit
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// words (4 KiB). Mesh packet verification and authenticated remote commands
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// can legitimately enter Ed25519 routines whose stack peaks do not fit there.
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// Wrap task creation so only the framework's "loop" task receives 8 KiB; all
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// BLE, timer, callback, and application-created tasks retain their requested
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// sizes.
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extern "C" BaseType_t __wrap_xTaskCreate(
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TaskFunction_t task_code, const char* const task_name,
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const configSTACK_DEPTH_TYPE stack_depth, void* const parameters,
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UBaseType_t priority, TaskHandle_t* const created_task) {
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configSTACK_DEPTH_TYPE adjusted_depth = stack_depth;
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if (task_name != NULL && strcmp(task_name, "loop") == 0
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&& stack_depth == 1024) {
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adjusted_depth = MESH_NRF52_LOOP_STACK_WORDS;
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}
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return __real_xTaskCreate(task_code, task_name, adjusted_depth, parameters,
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priority, created_task);
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}
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#endif
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