昨天金牛开发板才到,Keil + jlink 已经可以下载 流水灯project了。之间拔过 jlink的usb。重新装了下 keil(因为32k的限制),就不能连接到STM32了。j-link Commander 下显示:
J-Link>r
WARNING: Target system has been power-cycled
Info: TotalIRLen = 9, IRPrint = 0x0011
Reset delay: 0 ms
Reset type NORMAL: Resets core & peripherals via SYSRESETREQ & VECTRESET bit.
Info: TotalIRLen = 9, IRPrint = 0x0011
Info: Found Cortex-M3 r1p1, Little endian.
Info: TPIU fitted.
Info: ETM fitted.
Info: FPUnit: 6 code (BP) slots and 2 literal slots
WARNING: S_RESET_ST not cleared
WARNING: CPU did not halt after reset.
Info: Found Cortex-M3 r1p1, Little endian.
Info: TPIU fitted.
Info: ETM fitted.
Info: FPUnit: 6 code (BP) slots and 2 literal slots
Info: CPU did not halt, trying to disable WDT.
Info: Core did not halt after reset, trying to disable WDT.
WARNING: CPU did not halt after reset.
Info: Found Cortex-M3 r1p1, Little endian.
Info: TPIU fitted.
Info: ETM fitted.
Info: FPUnit: 6 code (BP) slots and 2 literal slots
Info: CPU did not halt, trying to disable WDT.
WARNING: S_RESET_ST not cleared
网上查了很久,无果。有遇到过同样情况,并已经解决了的朋友么,能不能给我出出点子,已经搞20多的小时了。。。
先谢了!
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本帖最后由 drache2009 于 2011-6-4 13:19 编辑 ]
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小平头技术问答
Boots 应该没有问题,都是默认设置。
问题是,之前的出场程序运行起来没有问题。之间发现一个现象,当我反复重插外接电源时,偶尔之前刷的 led程序 还是会运行的。但是似乎每次都是巧合,找不到规律,不知道是为什么。现在流水灯程序又不运行了。。。。。。为什么呢!!!——
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