ＩＡＲ＋Ｊｌｉｎｋ 不能下载代码

2692377302

请教论坛里热心的朋友，有没有碰到过类似的问题，有什么好的解决思路？
编译结果正确：
Building configuration: Test - Debug
Updating build tree...  
Configuration is up-to-date.


开始下载：
点击 download and debug 后
出现如下图所示问题



log显示为:
Tue Nov 12, 2013 17:21:22: Loaded macro file: D:\Program Files (x86)\IAR Systems\Embedded Workbench 6.0\arm\config\flashloader\Freescale\FlashK60Xxxx.mac
Tue Nov 12, 2013 17:21:23: JLINK command: ProjectFile = F:\arm\k60\myproject\IAR-ucosiii\settings\Test_Debug.jlink, return = 0
Tue Nov 12, 2013 17:21:23: Device "K60DN512Z" selected (512 KB flash, 32 KB RAM).
Tue Nov 12, 2013 17:21:23: JLINK command: device = MK60DN512Zxxx10, return = 0
Tue Nov 12, 2013 17:21:23: DLL version: V4.36f, compiled Oct 22 2011 15:21:42
Tue Nov 12, 2013 17:21:23: Firmware: J-Link ARM V8 compiled Sep 22 2011 16:23:23
Tue Nov 12, 2013 17:21:23: JTAG speed is initially set to: 32 kHz
Tue Nov 12, 2013 17:21:23: TotalIRLen = 4, IRPrint = 0x01
Tue Nov 12, 2013 17:21:23: Found Cortex-M4 r0p0, Little endian.
Tue Nov 12, 2013 17:21:24: TPIU fitted.
Tue Nov 12, 2013 17:21:24: ETM fitted.
Tue Nov 12, 2013 17:21:24: ETB present.
Tue Nov 12, 2013 17:21:24: CSTF present.
Tue Nov 12, 2013 17:21:24:   FPUnit: 6 code (BP) slots and 2 literal slots
Tue Nov 12, 2013 17:21:24: Hardware reset with strategy 0 was performed
Tue Nov 12, 2013 17:21:24: Initial reset was performed
Tue Nov 12, 2013 17:21:24: Found 1 JTAG device, Total IRLen = 4:
Tue Nov 12, 2013 17:21:24:  #0 Id: 0x4BA00477, IRLen:  4, IRPrint: 0x1 CoreSight JTAG-DP
Tue Nov 12, 2013 17:21:25: ----- Prepare hardware for Flashloader -----
Tue Nov 12, 2013 17:21:25: 1280 bytes downloaded (8.93 Kbytes/sec)
Tue Nov 12, 2013 17:21:25: Loaded debugee: D:\Program Files (x86)\IAR Systems\Embedded Workbench 6.0\arm\config\flashloader\Freescale\FlashK60Xxxx.out
Tue Nov 12, 2013 17:21:25: Target reset
Tue Nov 12, 2013 17:21:25: The flash loader program reported an error.


[img]file:///C:\Users\qingvincent\AppData\Roaming\Tencent\Users\2692377302\QQ\WinTemp\RichOle\CD~U@7NHU4`C[N2@MWJ@WU6.jpg[/img]

2692377302

问题解决了，原来是芯片被锁上了，可是之前还好好的可以下载的，下载一个操作系统之后芯片就被锁住了，奇怪？？？解决问题：首先Jlink文件夹里要有erase_all_pin.jlk。。。然后:运行->cmd->输入“cd 你的JlinK安装路径” ->Jlink.exe erase_all_pin.jlk

地瓜土豆

找不到erase_all_pin.jlk怎么办 急