the idle flag is not cleared , so does it relate to code optimizations? how to make it O0
On Tue, Apr 16, 2019 at 3:08 PM Jython <googch...@gmail.com> wrote: > HI, ALL! > the stm32 usart2 code is here > https://gist.github.com/goog/3da34a64eff11902579df333cfd1d863 > why it always enter the idle interrupt and printk log outputs > i almost could not find the error point, someone of you would help me? >
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