Debugging, Logging, and Monitoring via SWO Trace (STM32 ITM & DWT) - Phil's Lab #173

Printf, variable monitoring, debugging, and more using the serial wire trace output (SWO). Limited-time: $2 for 6-layer PCBs up to 100×100 mm - grab your $33 coupon now: https://jlcpcb.com/events/6-layer-pcb?from=PhilsLab (Ad) OSHWLab Stars 2026: https://oshwlab.com/activities/stars2026 Altium Develop: http://altium.com/yt/philslab (Ad) [SUPPORT] Hardware design courses: https://phils-lab-shop.fedevel.education Course content: https://www.phils-lab.net/courses Patreon: https://www.patreon.com/phils94 [LINKS] SWO Basics: https://black-magic.org/usage/swo.html [TIMESTAMPS] 00:00 Intro 01:46 JLCPCB (Ad) 03:21 Altium Develop (Ad) 04:26 SWO & HW Overview 07:31 CubeIDE Set-Up 09:03 ITM Port & SendChar 12:12 printf via ITM 13:14 Enabling SWV 16:04 Multiple ITM Ports 18:34 DWT Comparator Variable Monitor 22:44 Outro