Posted on February 27, 2015 at 02:09You need use the critical section to void other interrupt and set systick interrupt is lower by the default funtion in the ST library.I recommend that you can use usart idel interrupt+DMA transfer to comlpete your...

Posted on February 23, 2015 at 16:441.First，you need to confirm the boot setting that the boot0=boot1=1  Second,you need to reset your targer broad once  that's okey,you can download programm to your MCU.2.You don't do anything,this HEX file is corr...