请问软件看门狗和硬件看门狗的运行模式是怎么样的?我想在程序主定时器中自己喂狗能否实现?
我在软件运行过程中发现有的时候芯片会死掉,并不停输出fatal exception,然而看门狗并没有重启芯片。
如何自己在主定时器中喂狗?
Re: 如何自己在主定时器中喂狗?
Postby jinhucn » Tue Apr 25, 2017 1:10 pm
不停输出
Fatal exception (0):
epc1=0x401000b8, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x401000b8, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x401000b8, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x401000b8, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x401000b8, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x401000b8, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
为什么看门狗却不复位?
Fatal exception (0):
epc1=0x401000b8, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x401000b8, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x401000b8, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x401000b8, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x401000b8, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
Fatal exception (0):
epc1=0x401000b8, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000
为什么看门狗却不复位?
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