用jlink下载程序出错，***JLink Error: Communication timed out: Requested 4 bytes, received 0 bytes !。。。。。。。。。

飞过漠北的蓝天 · 发表于 2016-3-21 14:49:52

本帖最后由飞过漠北的蓝天于 2016-3-21 16:06 编辑

我怀疑是不是JLINK坏了
如下是完整的报错

Load "..\\OBJ\\Template.axf"
Set JLink Project File to "E:\AA软件工程\UCOSIII任务\USER\JLinkSettings.ini"
* JLink Info: Device "STM32F407ZG" selected (1024 KB flash, 128 KB RAM).

JLink info:
------------
DLL: V4.80g, compiled Feb 13 2014 20:50:02
Firmware: J-Link ARM V8 compiled Nov 25 2013 19:20:08
Hardware: V8.00
S/N : 304439649
Feature(s) : RDI,FlashDL,FlashBP,JFlash,GDBFULL

* JLink Info: Found SWD-DP with ID 0x2BA01477
* JLink Info: Found SWD-DP with ID 0x2BA01477
* JLink Info: Found Cortex-M4 r0p1, Little endian.
* JLink Info: FPUnit: 6 code (BP) slots and 2 literal slots
* JLink Info: TPIU fitted.
* JLink Info: ETM fitted.
ROMTableAddr = 0xE00FF003

Target info:
------------
Device: STM32F407ZG
VTarget = 2.756V
State of Pins:
TCK: 0, TDI: 1, TDO: 1, TMS: 1, TRES: 1, TRST: 1
Hardware-Breakpoints: 6
Software-Breakpoints: 8192
Watchpoints: 4
JTAG speed: 4000 kHz

Erase Done.
***JLink Error: Communication timed out: Requested 4 bytes, received 0 bytes !
***JLink Error: Could not start CPU core. (ErrorCode: -1)
***JLink Error: Can not read register 15 (R15) while CPU is running
**JLink Warning: CPU could not be halted
***JLink Error: Could not read memory location 0x20000000 when trying to clear soft RAM BP
Could not start CPU core. (ErrorCode: -1)
Cannot setup Breakpoint at Address
Programming Failed!
Error: Flash Download failed - "Cortex-M4"