Posted on November 19, 2012 at 00:15I'm using an f405 with USB and want to make the device compliant with USB specifications. Using the HID joystick mouse project from the ST USB library as an example, the chip successfully goes to sleep on USB susp...

Posted on May 28, 2012 at 07:28How should multiple interrupt flags be handled in the timer ISRs? 1. Handle all flags at the same time? 2. Handle a single flag? My code originally did #2, but I found sometimes I would get into a state where an interr...

Posted on May 28, 2012 at 07:21I'm actually hunting down a weird case where sometimes the timer counter matches the CCRx register but I never see the CCxIF flag set. This seems to occur when the compare occurs when I'm in that timer's ISR handling a...