求助啊 JTAG下载程序 刚开始能下载进去 修改了一下IO口 重新下载就出问题了

gs997187414

弹出来一个错误框  error：falsh download failed -“”context-m3




下面是keil的信息

Build target 'Target 1'

assembling STM32F10x.s...

compiling my.c...

compiling delay.c...

compiling sys.c...

compiling usart.c...

compiling LED.c...

compiling KEY.c...

compiling NUM_LED.c...

linking...

Program Size: Code=4196 RO-data=268 RW-data=12 ZI-data=676  

FromELF: creating hex file...

"key_led.axf" - 0 Error(s), 0 Warning(s).

Load "C:\\Users\\gs\\Desktop\\my\\user\\key_led.AXF" 

JLink info:

-----------

DLL: V4.08b, compiled Jun 30 2009 19:10:31

Firmware: J-Link ARM V8 compiled Dec  1 2009 11:42:48

Hardware: V8.00

S/N : 270676280 

Feature(s) : RDI,FlashDL,FlashBP,JFlash,GDBFULL 

---

* JLink Info: Found SWD-DP with ID 0x1BA01477

* JLink Info: TPIU fitted.

* JLink Info: ETM fitted.

* JLink Info:   FPUnit: 6 code (BP) slots and 2 literal slots

Target info:

------------

Device: STM32F103ZE

VTarget = 3.293V

State of Pins: 

TCK: 0, TDI: 1, TDO: 1, TMS: 0, TRES: 1, TRST: 1

* JLink Info: Found SWD-DP with ID 0x1BA01477

* JLink Info: TPIU fitted.

* JLink Info: ETM fitted.

* JLink Info:   FPUnit: 6 code (BP) slots and 2 literal slots

Hardware-Breakpoints: 6

Software-Breakpoints: 2048

Watchpoints:          4

JTAG speed: 500 kHz

---

* JLink Info: Found SWD-DP with ID 0x1BA01477

* JLink Info: TPIU fitted.

* JLink Info: ETM fitted.

* JLink Info:   FPUnit: 6 code (BP) slots and 2 literal slots

Erase Done.

Programming Failed!

哪个朋友遇到过相同问题的     求救 啊

gs997187414

对了    jtag的配置没有修改。。。。

jswd

那是没有找到器件吧，看看开发板电源是否有供给

正点原子

把B0接V3.3,再试试.