https://devzone.nordicsemi.com/f/nordic-q-a/45314/pwm_library-programming-cann-t-run-in-softdevicehello, Now i remove pwm_library programming in ble_app_uart_c(central) of SDK15.0 to produce a 125KHz PWM waveform. But i found the program cann&#39;t run in NRF52 DK. pwm_library can run normally with no softdevice. I found it builds no errors buten-USTelligent Community 13Tue, 26 Mar 2019 10:01:22 GMThttps://devzone.nordicsemi.com/thread/178282?ContentTypeID=1Tue, 26 Mar 2019 10:01:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f039f005-df7a-4d56-aeb6-83ba9d90298cJared<p>Hi,</p> <p>I tried running the project and didnt see any issues with the code getting stuck in the mentioned line. Have you flashed the softdevice to the board?</p> <p><img alt=" " height="363" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/support-attachments/beef5d1b77644c448dabff31668f3a47-12fac279b749464588dedea8282a8c04/pastedimage1553594501340v2.png" width="396" /></p> <p>Best regards</p> <p>Jared</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/178231?ContentTypeID=1Tue, 26 Mar 2019 07:45:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b95a8ec5-788b-4a38-903b-d3d8d6979d34liu<p>Hello，</p> <p>eager for your reply.</p> <p>Thanks.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/178219?ContentTypeID=1Tue, 26 Mar 2019 05:43:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:078340c0-c87f-486c-9d28-4c23a5476ab7liu<p>Hello，</p> <p>eager for your reply.</p> <p>Thanks.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/178205?ContentTypeID=1Tue, 26 Mar 2019 01:04:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2d1f63d4-f7f3-4c84-b574-4580e0507c2aliu<p>the same question i described as&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/45286/pwm_library-programming-cann-t-run-in-softdevice">devzone.nordicsemi.com/.../pwm_library-programming-cann-t-run-in-softdevice</a></p><div style="clear:both;"></div>