设备向云端拉取数据后打印如下LOG后就重启是什么原因？怎么查这个问题？
[07:11:23.656][03-30 15:11:23 ty E][my_apps.c:626] ---LED_DISP_TASK-GET-DATA-=[03-30 15:11:23 ty E][queue_mutex.c:105] ---ret=0---
[07:11:23.667][03-30 15:11:23 ty E][dp_process.c:384] ----------pull_data---------dev_cfg_s.arm_disarm_state=1----------------------
[07:11:23.678][03-30 15:11:23 ty E][dp_process.c:556] ---pull_update---
[07:11:23.683][03-30 15:11:23 ty E][queue_mutex.c:25] ---send_sensor_dp_cmd----
[07:11:23.691][03-30 15:11:23 ty E][queue_mutex.c:28] ---in_buff[0]=66----
[07:11:23.697][03-30 15:11:23 ty E][queue_mutex.c:31] ---send_dp_cmd_rt=0---
[07:11:23.705][03-30 15:11:23 ty E][my_apps.c:480] ---wifi-connect-ok---
[07:11:23.711][03-30 15:11:23 ty E][my_apps.c:499] ---get_dps_queue---
[07:11:23.719][03-30 15:11:23 ty E][queue_mutex.c:297] ---get_dps_queue=0---
[07:11:23.724][03-30 15:11:23 ty E][queue_mutex.c:300] -------get_dps_queue-success---------
[07:11:23.733][03-30 15:11:23 ty E][my_apps.c:501] ---get_data_state=1---
[07:11:23.738][03-30 15:11:23 ty E][my_apps.c:505] ---get_dps_queue-----
[07:11:23.746][03-30 15:11:23 ty E][my_apps.c:506] ---get_dps_buff[0]=B---
[07:11:23.752][03-30 15:11:23 ty E][my_apps.c:507] ---get_dps_buff[0]=66---
[07:11:23.760][03-30 15:11:23 ty E][my_apps.c:508] ---get_dps_buff[1]=0---
[07:11:23.765][03-30 15:11:23 ty E][my_apps.c:509] ---get_dps_buff[2]=0---
[07:11:23.771][03-30 15:11:23 ty E][my_apps.c:576] ----B-UPDATE-DPID---
[07:11:23.779][03-30 15:11:23 ty E][data_process.c:57] ---get_dpid_parameter->dpid_en=0---
[07:11:23.787][03-30 15:11:23 ty E][data_process.c:60] ---get_dpid_parameter->dpid_en=1---
[07:11:23.793][03-30 15:11:23 ty E][dp_process.c:227] ---dpid_update->dpid_en==1---
[07:11:23.801][03-30 15:11:23 ty E][dp_process.c:230] --upload-dpid_arm_disarm---
15:11:21.691
[07:11:23.809][03-30 15:11:23 ty D][smart_frame.c:3555] rept chan:1
[07:11:23.815][03-30 15:11:23 ty E][smart_frame.c:558] devid:H dparr[0]:6 not find
[07:11:23.823][03-30 15:11:23 ty E][smart_frame.c:558] devid:H dparr[1]:0 not find
[07:11:23.829][03-30 15:11:23 ty E][smart_frame.c:558] devid:H dparr[2]:0 not find
[07:11:23.836][03-30 15:11:23 ty E][smart_frame.c:558] devid:H dparr[3]:0 not find
[07:11:23.845][03-30 15:11:23 ty E][smart_frame.c:558] devid:H dparr[4]:0 not find
[07:11:23.850][03-30 15:11:23 ty E][smart_frame.c:558] devid:H dparr[5]:0 not find
[07:11:23.858][03-30 15:11:23 ty E][smart_frame.c:558] devid:H dparr[6]:0 not find
[07:11:23.866][03-30 15:11:23 ty E][smart_frame.c:558] devid:H dparr[7]:0 not find
[07:11:23.872][03-30 15:11:23 ty E][smart_frame.c:558] devid:H dparr[8]:90 not find
[07:11:23.880][03-30 15:11:23 ty E][my_apps.c:626] ---LED_DISP_TASK-GET-DATA-=[03-30 15:11:23 ty D][smart_frame.c:617] no vaild dp to rept
[07:11:23.891][03-30 15:11:23 ty D][smart_frame.c:3568] dp compose null, ret:-3585
------------------------- [cut here] -------------------------
Process: send_data_to_wi (pid=18, threadinfo=75b28, prio=2, baseprio=2, stack limit=76220, stack remain=414),trap entrypoint=7
Trap at pc=[<0001c382>]
r0 : 000320bc r1 : 80000000 r2 : 00000000 r3 : 00000000
r4 : 00206000 r5 : 00031b30 r6 : 000320b4 r7 : 00031b28
r8 : 0001c36c r9 : 00000000 r10: 408b17d0 r11: 0000000b
r12: 0000000c r13: 0000000d r14: 0000000e r15: 00019b74
r16: 0000000d r17: 0000000a r18: 001a0000 r19: 0000000a
r20: 3b204c47 r21: bd65ea64 r22: e05a3b93 r23: 71245968
r24: 000004f8 r25: 80577827 p0 : 045a0060 p1 : 38480200
fp : 00064914 gp : 000692e0 lp : 00019b7a sp : 00077510
pc : 0001c382 psw: 00070008
Stack Backtrace:
Frame0: pc=0x1c382
Backtrace is over
Now system halted, Do crash ramdump...