HI, I have keil Version 4.74 and Segger v5.00e after connecting my landtiger board (LPC1768 as developer core and stm32f103c8t6 as debugger chip for j-link). it asked to update the firmware but after that I'm not able to connect to my board and download code to flash memory and says DLL: V5.00e, compiled Jun 23 2015 18:28:39 Firmware: J-Link ARM-OB STM32 compiled Aug 22 2012 19:52:04 Hardware: V7.00 S/N : xxxxxxxx Feature(s) : RDI,FlashDL,FlashBP,JFlash,GDBFull
* JLink Info: TotalIRLen = ?, IRPrint = 0x..000000000000000000000000 Error: Flash Download failed - Target DLL has been cancelled
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I would appreciate if you help me to fix the board
Looks like a fake/bootleg Segger, suggest you take this up with LandTiger vendor http://www.powermcu.com/
The original LandTiger board uses some kind of ST-Link for NXP LPC1768. (fake/bootleg) There are quite a number of LandTiger boards which are not manufactured by PowerMCU. (fake/bootleg) I see quite a number of ST-Link V2, ST-Link V2 mini manufactured by third-party, are they fake/bootleg products?
everything in the board seems to be correct and it has been labeled with the openmcu and has serial number. but you might right thanks
I have a Micrium board with this same "J-Link ARM-OB STM32", but it's legitimately licensed. HAOYU and others have sold fake ones, and Segger looks upon this very dimly. You could try using an older driver in case it's been purposely black-listed, or try an external JTAG pod you trust more. Either way, I think that your first call should be to the vendor to understand how/why you've bricked your board.
Looking at the eBay listings, 99.9% of the JTAG pods appear to be bootlegged.