FPU active! debug event调试

发布于 2022-05-13 14:06:43 浏览：993 订阅该版

```
psr: 0x010f0000
r00: 0x00000000
r01: 0x20009350
r02: 0x0805f954
r03: 0x0805f954
r04: 0xdeadbeef
r05: 0xdeadbeef
r06: 0xdeadbeef
r07: 0x20009388
r08: 0xdeadbeef
r09: 0xdeadbeef
r10: 0xdeadbeef
r11: 0xdeadbeef
r12: 0x00000000
 lr: 0x080017cd
 pc: 0x0804802a
hard fault on thread: main

thread   pri  status      sp     stack size max used left tick  error
-------- ---  ------- ---------- ----------  ------  ---------- ---
pwm_thre   5  suspend 0x000000a4 0x00000400    16%   0x00000005 000
boost_th   5  suspend 0x000000bc 0x00000200    36%   0x00000005 000
dgusTx    22  ready   0x00000044 0x00001000    01%   0x0000000a 000
dgusRx    21  ready   0x00000044 0x00000800    03%   0x0000000a 000
rs485sla   8  suspend 0x000000ec 0x00000400    47%   0x0000000c 000
tshell    20  ready   0x00000044 0x00001000    01%   0x0000000a 000
flex_btn  10  suspend 0x000000b0 0x00000400    17%   0x0000000a 000
alarmsvc  10  suspend 0x000000b4 0x00000800    08%   0x00000005 000
ulog_asy  30  suspend 0x0000008c 0x00001000    04%   0x00000013 000
tidle0    31  ready   0x00000080 0x00000400    13%   0x0000001a 000
timer      4  suspend 0x00000080 0x00000400    12%   0x00000009 000
main      10  running 0x0000012c 0x00001000    39%   0x00000011 000
FPU active!
debug event
```

![image.png](https://oss-club.rt-thread.org/uploads/20220513/e2a16224b55d4fa83559bcc178939dbd.png)