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sys/bios下进行编程，使用printf函数打印字符串，发现字母可以打印出，但是其中的数字无法打印出。而在另外一个程序中，同样的printf代码就可以正常打印。请问这可能是什么原因？尝试修改stack和heapmem的大小，发现也没有解决。
printf("Time: %fms, Cycles: %llu\n", ((Float)cycles[0]/1000000),cycles[0]);
打印结果：Time: ms, Cycles: u
在sys/bios里的话，请尝试使用log_printf。https://software-dl.ti.com/ccs/esd/documents/sdto_cgt_tips_for_using_printf.html
