Posted on October 05, 2013 at 16:11
Hello everybody,
I try to use USART2 with DMA, but I have two problems. Now the code just sends back the received word. The memory is word based so I use the DMA controller packing/unpacking feature. My firs...
Posted on October 07, 2013 at 22:50
Hi,
The source that you attached is the original one. I had the same. but if you call
NVIC_SetPriorityGrouping(
NVIC_PriorityGroup_x)
it does not set the AIRCE reg correctly because
Priorit...
Posted on October 07, 2013 at 19:09I forgot to mention this only can results a problem when you use NVIC_PriorityGroup_x macros as params in function call. If you use numbers between 0...7 according to the core datasheet, the function works properly...
Posted on October 07, 2013 at 19:09
Hello again,
Thanks for the answer, it inspired me to watch the asm code... There is a bug inside the core_cm4.h header in the NVIC_SetPriorityGrouping function. The problem is the PriorityGroupTmp reg...
Posted on October 06, 2013 at 16:25 The original post was too long to process during our migration. Please click on the provided URL to read the original post. https://st--c.eu10.content.force.com/sfc/dist/version/download/?oid=00Db0000000YtG6&ids...
