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怎么擦除海思3515的nor flash
来源: 互联网 发布时间:2016-12-19
本文导语: 自己海思的把uboot改了个参数,用tftp下到板子里后串口打印出的全是乱码,然后用SEGGER也烧过,在执行最后的go时串口打印还是乱码,也不好在串口终端里执行命令,有谁遇到过吗?怎么解决?我想用SEGGER把flash全擦...
自己海思的把uboot改了个参数,用tftp下到板子里后串口打印出的全是乱码,然后用SEGGER也烧过,在执行最后的go时串口打印还是乱码,也不好在串口终端里执行命令,有谁遇到过吗?怎么解决?我想用SEGGER把flash全擦除,但是connet时出错,
Connecting ...
- Connecting via USB to J-Link device 0
- J-Link firmware: V1.20 (J-Link ARM V8 compiled Dec 1 2015 11:42:48)
- JTAG speed: 5 kHz (Fixed)
- Initializing CPU core (Init sequence) ...
- Initialized successfully
- JTAG speed: 5 kHz (Auto)
- WARNING: Unexpected core ID. (Found: 0x00000000, Expected: 0x07926477)
- J-Link found 0 JTAG device. Core ID: 0x00000000 (ARM9)
- ERROR: Flash Id error. Expected 0x1227E, found: 0x9750
- ERROR: Failed to connect
求助中……
Connecting ...
- Connecting via USB to J-Link device 0
- J-Link firmware: V1.20 (J-Link ARM V8 compiled Dec 1 2015 11:42:48)
- JTAG speed: 5 kHz (Fixed)
- Initializing CPU core (Init sequence) ...
- Initialized successfully
- JTAG speed: 5 kHz (Auto)
- WARNING: Unexpected core ID. (Found: 0x00000000, Expected: 0x07926477)
- J-Link found 0 JTAG device. Core ID: 0x00000000 (ARM9)
- ERROR: Flash Id error. Expected 0x1227E, found: 0x9750
- ERROR: Failed to connect
求助中……
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