智能车制作

标题: K60突然下载不了了，求救啊！！！！ [打印本页]

作者: fei15115 时间: 2019-2-26 11:39
标题: K60突然下载不了了，求救啊！！！！
换了JLINK的接口之后就突然下载不了了。
打开JLINK-COMMANDER之后：“

SEGGER J-Link Commander V4.15e ('?' for help)
Compiled May 31 2010 18:27:18
DLL version V4.15e, compiled May 31 2010 18:26:57
Firmware: J-Link ARM V8 compiled Nov 28 2014 13:44:46
Hardware: V8.00
S/N : 17935099
Feature(s) : RDI,FlashDL,FlashBP,JFlash
Info: Could not measure total IR len. TDO is constant high.

WARNING: No matching core found.
Info: Could not measure total IR len. TDO is constant high.
VTarget = 3.267V
Info: Could not measure total IR len. TDO is constant high.

****** Error: Could not find supported CPU core on JTAG chain
No devices found on JTAG chain. Trying to find device on SWD.

WARNING: No matching core found.

****** Error: Parity error (Data = 0xFFFFFFFF, ReceivedParity = 1)

No device found on SWD.
Cortex-M3 identified.
JTAG speed: 100 kHz

我应该怎么做？

作者: 渣渣渣渣 时间: 2019-2-27 14:14
换成SWD模式试一下

作者: fei15115 时间: 2019-2-27 20:10

渣渣渣渣发表于 2019-2-27 14:14
换成SWD模式试一下

还是一样的，用IAR下载时会提示Pcode，-1什么的

作者: 左边HY 时间: 2019-4-23 20:40
我去年遇见过usb电压低导致下不进去

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