rtos版本的sdk,v1.0.4版本(1.0.3版本的也有同样的问题)。当我调用sprintf函数时,系统就会崩溃,打印信息如下:
Fatal exception (222t▒,u):
epc1=0x40000fffft▒,u
epc2=0x400000000t▒,u
epc3=0x400007777t▒,u
epcvaddr=0x000000007777t▒,u
depc=0x000000007777t▒,u
rtn_add=0x40000fffft▒,u
sprintf 函数有bug
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