Comments (6)
如果能用dns劫持方式劫持到自己的服务器,使用原厂ota方式升级,那就避免了拆外壳等一系列动作,省事多了。我尝试了将原厂bin升级到一块nodemcu中,想看下串口信息,试了几个常用波特率,全是乱码,感觉串口在不停输出。
不知道有人抓过原厂ota或者了解这个串口调试的人是否可以贡献点信息,如果能破解原厂ota,那后续升级就好办多了
方便提供原厂的bin文件我研究下嘛?
我的邮箱是[email protected]
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原厂OTA是由服务器发起,设备收到信息后下载升级,服务器已挂,已经无法验证具体的OTA方式
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1M的那个bin文件在不带b的芯片上成功恢复
2M的那个bin文件,始终不能恢复原厂固件。
flash vendor:
A1h : FM
flash devID:
4014h
QUAD;8Mbit
crystal:
26 Mhz
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@wanghuangjie 不带b芯片啥意思?能看到串口打印信息吗
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@wanghuangjie 不带b芯片啥意思?能看到串口打印信息吗
分两种芯片。具体见该项目的readme。
另外,我长期在用的3台dc1,经常性的丢固件。
现在都刷回原厂,通过劫持的方式去运作了。
我手上的,不管带不带b,用1M的去恢复就可以了。
esptool.py --port /dev/tty.usbserial-A9M9DV3R -b 115200 write_flash --flash_size 1MB 0x0 /Users/wanghuangjie/Desktop/dc1_original_1M.bin
from phicomm_dc1-esphome.
1M的那个bin文件在不带b的芯片上成功恢复
2M的那个bin文件,始终不能恢复原厂固件。flash vendor:
A1h : FM
flash devID:
4014h
QUAD;8Mbit
crystal:
26 Mhz
带不带b只是针对flash大小,1m的固件可以写到2m的上面正常使用,反过来不行
from phicomm_dc1-esphome.
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