Posted on May 17, 2011 at 13:26Google ''cortex technical reference manual'' and try the #1 result. There are other ways to find documents, but this one works pretty well, and it's fast If you ask me, that instruction is mis-named, it's an entry to...
Posted on May 17, 2011 at 13:26The Technical Reference manual has this to say : ''The WFI instruction can complete even if no exception becomes active.'' You're using wfi for a purpose it is not designed for. I suspect that the Cortex IS being awake...
Posted on May 17, 2011 at 13:17Maybe you could provide some more clues for us - for example, do you know why two of your four lines are now working? i.e. What changed, between four not working, and two not working? And maybe post some of the relevan...
Posted on May 17, 2011 at 13:17Many thanks to swhite for his fine work here. I've needed this also, since I'm working on a system where an ARM-7 needs to communicate with a Cortex M3, which is using its hardware CRC for messages. Been using ST-One's...
Posted on May 17, 2011 at 13:16Don't know if this is your problem or not, but maybe. In your main(), there is this code: /* Enable GPIOC clock */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); You are enabling GPIOB, in spite of the comment. ...
