Migrating from SDK 12.3 to SDK 15.3https://devzone.nordicsemi.com/f/nordic-q-a/51714/migrating-from-sdk-12-3-to-sdk-15-3Hi I am migrating my application from SDK - 12.3 to SDK 15.3 version. My application also uses FreeRTOS so I am referring to the ble_app_hrs_freertos example code. I have started with taking the changes from sdk_config.h and FreeRTOSConfig.h. Thisen-USTelligent Community 13Wed, 04 Sep 2019 11:26:55 GMTRE: Migrating from SDK 12.3 to SDK 15.3https://devzone.nordicsemi.com/thread/207911?ContentTypeID=1Wed, 04 Sep 2019 11:26:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e0f16a8f-720a-46de-bd51-07aa8ffa65f3Vidar Berg<p>Hi,</p> <p>I think it&#39;s better if you start with the linker script used by the BLE Freertos example in SDK 15.3.0. Softdevice v.6 is larger and will require a higher flash start address for your application, and possibly more RAM compared to older Softdevices.&nbsp;&nbsp;</p> <p>I&#39;m not familiar with CMSIS OS. It looks like it&#39;s an attempt to make a standard RTOS API for use with existing RTOSes such as Freertos and Zephyr.&nbsp;</p><div style="clear:both;"></div>RE: Migrating from SDK 12.3 to SDK 15.3https://devzone.nordicsemi.com/thread/207828?ContentTypeID=1Wed, 04 Sep 2019 08:41:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:49d7945f-c401-4ef1-8f0a-38984fdb6553skulkarni<p>Also what is the advantage of using cmsis_os?&nbsp;&nbsp;</p><div style="clear:both;"></div>