Posted on January 30, 2013 at 03:53Okay, I've monitored the timings with the scope, toggling a pin on and off ussing BSRRH/BSRL, and found the following:1. The moment of endering the 1st interrupt (EXTI, falling edge of sync pulse, by design can be ...

Posted on January 29, 2013 at 11:24Thanks, clive1!Yes, FP operations can be long, but I spend >700 TIM3 ticks in that waiting loop, all the operations are sure complete to the moment of exiting the loop.I tried ISB, DMB, and DSB actually, just didn'...

Posted on January 29, 2013 at 02:49Hi clive1!I ran into similar issue in my project recently: I cannot manage to start shifting out the data at the exact moments I want to.I'm shifting out the data using SPI to the screen (PAL signal) and the shifti...