一、描述你遇到的问题
驱动OLED屏幕时发生异常，疑似与I2C通信有关。
二、你具体做的所有步骤结果截图
在跟随 I2C 驱动OLED屏幕测试 进行实验时，开发板程序在向从机写入数据发生异常。
三、当前开发板状态全景照片
四、开发板串口所有日志
APP|exception:8000000c
APP|Oops:NMI
task:Swt_Task
thrdPid:0xffffffff
type:0xc
nestCnt:0
phase:Irq
ccause:0x0
mcause:0x8000000c
mtval:0x0
gp:0xa11b60
mstatus:0x80007880
mepc:0x35cd00
ra:0x25e5ba
sp:0xa2bf50
tp:0x0
t0:0x8
t1:0xa0d952
t2:0x0
s0:0xa2b500
s1:0xa1136c
a0:0x1
a1:0x0
a2:0xc
a3:0x357064
a4:0xa3fd58
a5:0x25e5b2
a6:0xcacacaca
a7:0xcacacaca
s2:0x1
s3:0xa11360
s4:0xa11504
s5:0xff0000ff
s6:0x1
s7:0x10
s8:0x7070707
s9:0x6060606
s10:0x5050505
s11:0x4040404
t3:0xcacacaca
t4:0xcacacaca
t5:0xcacacaca
t6:0xcacacaca
APP|cxcptsc = 0x0
APP|*******backtrace begin*******
traceback 0 -- ra = 0x1 fp = 0xc
APP|*******backtrace end*******
APP|*******stack txt info begin*******
APP|traceback 1 -- sp addr= 0xa2bf54 sp content= 0x35cd00
APP|traceback 22 -- sp addr= 0xa2bfa8 sp content= 0x25e5b2
APP|traceback 24 -- sp addr= 0xa2bfb0 sp content= 0x357064
APP|traceback 29 -- sp addr= 0xa2bfc4 sp content= 0xa0d952
APP|traceback 31 -- sp addr= 0xa2bfcc sp content= 0x25e5ba
APP|traceback 55 -- sp addr= 0xa2c02c sp content= 0xa0c1ba
APP|traceback 59 -- sp addr= 0xa2c03c sp content= 0xa0d39c
APP|traceback 67 -- sp addr= 0xa2c05c sp content= 0x35cd74
APP|traceback 79 -- sp addr= 0xa2c08c sp content= 0x25e5ba
APP|traceback 83 -- sp addr= 0xa2c09c sp content= 0xa0cfe4
APP|traceback 91 -- sp addr= 0xa2c0bc sp content= 0xa0de70
APP|*******stack txt info end*******