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