https://devzone.nordicsemi.com/f/nordic-q-a/124356/nrf5340-application-in-ramHello, I want to have 2 applications running on nrf5340 CPUAPP (nothing on CPUNET) with app1 in flash and app2 (in RAM) getting launched by app1 once placed in RAM as a binary file. app1 has a int sum(a,b) function that I want to use in app2. I am lookingen-USTelligent Community 13Sat, 13 Sep 2025 19:03:29 GMThttps://devzone.nordicsemi.com/thread/548658?ContentTypeID=1Sat, 13 Sep 2025 19:03:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cb48c8f7-a2c7-4968-a83e-437612c93f13dev_j<p>Thank you, will look through.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/548657?ContentTypeID=1Sat, 13 Sep 2025 18:47:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e0bc51ee-799d-432e-90ea-8b77418fc729Turbo J<p>Its been a while since 2011:&nbsp;<a href="https://github.com/r0ket/r0ket">https://github.com/r0ket/r0ket</a></p> <p>Note that the MCU is not a nordic product - but its an ARM Cortex-M variant at least.</p> <p>Not easy to translate into a nordic SDK without major changes.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/548656?ContentTypeID=1Sat, 13 Sep 2025 18:40:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9c6d107f-b344-4d59-919a-d43d2fc29397dev_j<p><a href="https://devzone.nordicsemi.com/members/turboj">Turbo J</a>&nbsp;Thank you for replying, do you happen to have a link? I can&#39;t see it with a quick google search.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/548654?ContentTypeID=1Sat, 13 Sep 2025 17:42:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:10fce866-bf5d-4d7d-a984-5fec3ed33c29Turbo J<p>CCC r0ket did this and is open source on github.</p> <p>Basic idea was an array of function pointers at a fixed address in flash that the RAM program can call into. Won&#39;t save you much flash space though - I recommend using external flash chip if internal flash was not enough.</p><div style="clear:both;"></div>