I'm seeing some interesting interactions which suggests to me that there are some subtleties about using TCC interrupts that I don't understand. Here's my test code: void setup() { // if you uncomment the following 2 lines, the interrupts don't start until you open the serial monitor // Serial.be…

(Serial and digitalWrite interactions with TCC interrupts) what !Serial tests

Juraj June 11, 2019, 3:13pm 2

because of

while (!Serial)