https://devzone.nordicsemi.com/f/nordic-q-a/20535/softdevice-132-used-heapI want at s132 use RT-Thread RTOS,but I see arm_startup_nrf52.s file defined Stack_Size and Heap_Size 8K, can define Heap_Size = 0? reduce the Stack_Size (such as 4K)? so,RT-Thread RTOS can use larger memory.en-USTelligent Community 13Mon, 20 Mar 2017 09:41:34 GMThttps://devzone.nordicsemi.com/thread/80055?ContentTypeID=1Mon, 20 Mar 2017 09:41:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:65fdc69c-dbe9-4e8c-9be1-3d7763860f17Sigurd<p>Hi,</p> <p>There is no heap required by nRF52 SoftDevices. The application is free to allocate and use a heap without disrupting the SoftDevice functionality. Heap memory can safely be set to zero as long as you don&#39;t use dynamic memory allocation (malloc/free).</p><div style="clear:both;"></div>