Posted on May 17, 2011 at 13:59Well, thank you Jack. I did not aware of this description. That explains the weird behavior. So, I have to clear the CTR flag in the interrupt sevice routine and set a software flag. The SOF signal now works quite well...
Posted on May 17, 2011 at 13:59Hi Jack, I know how to handle the CTR interrupt, I just want to mask the CTR interrupt. because I have already handled this request by polling the flag in a dedicate task, and clearing this flag at there. Currently, my...
Posted on May 17, 2011 at 13:59Yes, even disable all LP interrupt source, the LP ISR will still be called. (of course the LP interrupt is enabled in NVIC.) The CTR flag is set. If I do not clear the CTR flag, the ISR will never be returned, (I mean ...