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Keil的startup.s与Tiva库例程startup.s的区别

Other Parts Discussed in Thread: TM4C123GH6PM

MCU:TM4C123GH6PM 我在使用fputc()将printf改到uart0时,新建了两个工程,一个使用Tiva库例程里的Startup_rvmdk.S,另一个用KeilRTE里的Startup.s,例程可以正常printf,而keil版却没法正常输出,我大概知道这个启动文件是为了让单片机启动运行到C语言段落,但是汇编我只能通过注释看懂一点点,详情见图。

keil里的:

例程里的: