Logpoints! They're like breakpoints, but they don't stop execution. And they don't require whatever you're writing C for to have any sort of console output. Of

Logpoints! They're like breakpoints, but they don't stop execution. And they don't require whatever you're writing C for to have any sort of console output. Of course you do need to have a debug port enabled, which often isn't the case for production hardware so you get stuck printf debugging by blinking an LED and probing it with a logic analyzer. Royal PITA.