无法进入烧录模式

风火轮用户49008 · 发表于 2018-12-18 17:42:44

1. 先按u-boot按键，
2. 同时接DC电源
3. 再插入USB线，无法刷固件，电脑显示没有端口

大神，请看一下要怎么弄呢！

串口日志:
===============
[17:40:53.898]收←◆\0\0\0\0\0\0\0\0
[17:40:53.998]收←◆\0\0\0\0\0\0\0
[17:40:57.589]收←◆\0\0\0
[17:40:57.649]收←◆\0\0\0\0
[17:40:57.729]收←◆\0\0\0
[17:40:57.789]收←◆\0\0\0\0
[17:40:57.869]收←◆\0\0\0
[17:40:57.930]收←◆\0\0\0\0
[17:40:58.010]收←◆\0\0\0
[17:40:58.070]收←◆\0\0\0\0
[17:40:58.150]收←◆\0\0\0
[17:40:58.210]收←◆\0\0\0\0
[17:40:58.290]收←◆\0\0\0
[17:40:58.350]收←◆\0\0\0\0
[17:40:58.430]收←◆\0\0\0
[17:40:58.490]收←◆\0\0\0\0
[17:40:58.570]收←◆\0\0\0
[17:40:58.630]收←◆\0\0\0\0
[17:40:58.710]收←◆\0\0\0\0
[17:40:58.790]收←◆\0\0\0
[17:40:58.850]收←◆\0\0\0\0
[17:40:58.930]收←◆\0\0\0
[17:40:58.990]收←◆\0\0\0\0
[17:40:59.070]收←◆\0\0\0
[17:40:59.130]收←◆\0\0\0\0
[17:40:59.210]收←◆\0\0\0
[17:40:59.270]收←◆\0\0\0\0
[17:40:59.351]收←◆\0\0\0
[17:40:59.410]收←◆\0\0\0\0
[17:40:59.490]收←◆\0\0\0\0
[17:40:59.571]收←◆\0\0\0
[17:40:59.631]收←◆\0\0\0
[17:40:59.691]收←◆\0\0\0\0
[17:40:59.771]收←◆\0\0\0
[17:40:59.831]收←◆\0\0\0\0
[17:40:59.911]收←◆\0\0\0\0
[17:40:59.991]收←◆\0\0\0
[17:41:00.051]收←◆\0\0\0\0
[17:41:00.131]收←◆\0\0\0
[17:41:00.191]收←◆\0\0\0\0
[17:41:00.271]收←◆\0\0\0
[17:41:00.331]收←◆\0\0\0\0
[17:41:00.411]收←◆\0\0\0
[17:41:00.471]收←◆\0\0\0\0
[17:41:00.551]收←◆\0\0\0
[17:41:00.611]收←◆\0\0\0\0
[17:41:00.691]收←◆\0\0\0\0
[17:41:00.771]收←◆\0\0\0
[17:41:00.831]收←◆\0\0\0\0
[17:41:00.911]收←◆\0\0\0
[17:41:00.971]收←◆\0\0\0\0
[17:41:01.051]收←◆\0\0\0
[17:41:01.111]收←◆\0\0\0\0
[17:41:01.191]收←◆\0\0\0
[17:41:01.252]收←◆\0\0\0\0
[17:41:01.331]收←◆\0\0\0
[17:41:01.392]收←◆\0\0\0\0
[17:41:01.472]收←◆\0\0\0
[17:41:01.532]收←◆\0\0\0\0
[17:41:01.612]收←◆\0\0\0
[17:41:01.673]收←◆\0\0\0\0
[17:41:01.753]收←◆\0\0\0
[17:41:01.813]收←◆\0\0\0\0
[17:41:01.893]收←◆\0\0\0
[17:41:01.953]收←◆\0\0\0\0
[17:41:02.033]收←◆\0\0\0
[17:41:02.093]收←◆\0\0\0\0