https://devzone.nordicsemi.com/f/nordic-q-a/12674/how-to-increase-stack-memory-allocation-to-number-of-threads-in-rtxHello All, I am using nRF51822 with SDKv10.0.0 and s110 soft device with RTX os. My project have 5 different threads with 1000 bytes of memory is needed in each thread. While RTX_Conf_CM.c file have settings to run only 3 concurrent threads and onlyen-USTelligent Community 13Tue, 22 Mar 2016 12:24:44 GMThttps://devzone.nordicsemi.com/thread/48145?ContentTypeID=1Tue, 22 Mar 2016 12:24:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:17680453-26e3-4cc5-97ec-1b74bcda2bbfStefan Birnir Sverrisson<p>Hi Ethan</p> <p>If you want to have 5 threads each with 1000 bytes, then I suspect it is hard to execute that on a nRF51822 QFAA (16kB RAM), but should be well possible with nRF51822 QFAC (32kB RAM). When I configure the ble_app_hrs_rtx application to have 5 threads and 1000 bytes each I get around 11kB of RAM used. The S110 softdevice uses 8kB, so total use should be 8kB+11kB = 19kB.</p> <p>If you have an application with smaller profile than the ble_app_hrs_rtx sample application, I suspect it should <a href="https://devzone.nordicsemi.com/question/12524/ram-usage-with-s110-support/">consume less RAM</a>, but perhaps still over 16kB, Im not sure.</p><div style="clear:both;"></div>