Q20 刷成砖头，TTL进去后键盘无法输入 ，求大神解决

每天***

U-Boot 2018.09 (Nov 20 2020 - 19:56:59 +0800)

CPU:   MediaTek MT7621AT ver 1, eco 3
Clocks: CPU: 880MHz, DDR: 1200MHz, Bus: 220MHz, XTAL: 40MHz
Model: MediaTek MT7621 reference board (NAND)
DRAM:  256 MiB
NAND:  128 MiB
Loading Environment from NAND... OK
In:    uartlite0@1e000c00
Out:   uartlite0@1e000c00
Err:   uartlite0@1e000c00
Net:
Warning: eth@1e100000 (eth0) using random MAC address - a2:db:82:64:59:fd
eth0: eth@1e100000
Hit any key to stop autoboot:  0

  *** U-Boot Boot Menu ***

     1. Startup system (Default)
     2. Upgrade firmware
     3. Upgrade bootloader
     4. Upgrade bootloader (advanced mode)
     5. Load image
     0. U-Boot console


  Press UP/DOWN to move, ENTER to select

Loading from nand0, offset 0x180000
   Image Name:   MIPS OpenWrt Linux-5.15.137
   Image Type:   MIPS Linux Kernel Image (uncompressed)
   Data Size:    3022109 Bytes = 2.9 MiB
   Load Address: 80001000
   Entry Point:  80001000
Automatic boot of image at addr 0x80010000 ...
## Booting kernel from Legacy Image at 80010000 ...
   Image Name:   MIPS OpenWrt Linux-5.15.137
   Image Type:   MIPS Linux Kernel Image (uncompressed)
   Data Size:    3022109 Bytes = 2.9 MiB
   Load Address: 80001000
   Entry Point:  80001000
   Verifying Checksum ... Bad Data CRC
ERROR: can't get kernel image!
no partition number specified

Loading from nand0, offset 0x180000
   Image Name:   MIPS OpenWrt Linux-5.15.137
   Image Type:   MIPS Linux Kernel Image (uncompressed)
   Data Size:    3022109 Bytes = 2.9 MiB
   Load Address: 80001000
   Entry Point:  80001000
Automatic boot of image at addr 0x82000000 ...
## Booting kernel from Legacy Image at 82000000 ...
   Image Name:   MIPS OpenWrt Linux-5.15.137
   Image Type:   MIPS Linux Kernel Image (uncompressed)
   Data Size:    3022109 Bytes = 2.9 MiB
   Load Address: 80001000
   Entry Point:  80001000
   Verifying Checksum ... Bad Data CRC
ERROR: can't get kernel image!
=>

vb1***

换个ttl板子。。。

倒影***

我记得是按字母上面的那一排数字吧

每天***

倒影年华 发表于 2024-3-18 23:20
我记得是按字母上面的那一排数字吧

试了也是没用。

每天***

vb1980 发表于 2024-3-18 22:51
换个ttl板子。。。

现在用的是340板子，有什么板子 可以用

vb1***

年前刚救过一台，用的几块钱的pl2303hx，一切都很顺利

每天***

每天一根烟 发表于 2024-3-19 13:18
现在用的是340板子，有什么板子 可以用

换了一个可以进入了。 进入这个设置后就不知道怎么往下 ，指教一下，感谢！！！！
Select (enter for default): 0

Input U-Boot's IP address: 192.168.1.1
Input TFTP server's IP address: 192.168.1.2
Input IP netmask: 255.255.255.0
Input file name: pb-boot.img

Using eth@1e100000 device
TFTP from server 192.168.1.2; our IP address is 192.168.1.1
Filename 'pb-boot.img'.
Load address: 0x80010000
Loading: *
ARP Retry count exceeded; starting again

*** TFTP client failure: -110 ***
*** Operation Aborted! ***

每天***

vb1980 发表于 2024-3-19 21:31
年前刚救过一台，用的几块钱的pl2303hx，一切都很顺利

做的好漂亮的。 现在进入系统后 不知道怎么晚霞了。
Select (enter for default): 0

Input U-Boot's IP address: 192.168.1.1
Input TFTP server's IP address: 192.168.1.2
Input IP netmask: 255.255.255.0
Input file name: pb-boot.img

Using eth@1e100000 device
TFTP from server 192.168.1.2; our IP address is 192.168.1.1
Filename 'pb-boot.img'.
Load address: 0x80010000
Loading: *
ARP Retry count exceeded; starting again

*** TFTP client failure: -110 ***
*** Operation Aborted! ***
求指教。万分感谢

vb1***

tftpd没设置好，系统读不到文件，超时了

Re***

为什么都不直接编程器上夹子，省心省事。