Hi all,
My group is using two separate ADuC7026 evaluation boards for a project. Each board is running separate code and hardware. I am attempting to program both using the same laptop, currently running the Keil uVision 4.72 IDE (lite version). My current JLink driver is V4.80c.
Board #1 was my original platform, and to get Board #2 working, I needed to use the ARMWSD tool to mass erase/ program compiled code to Board #2 via UART. After this fix, I am currently able to program Board #2 using uVision with no problem.
However, now when I attempt to program Board #1 in the IDE, the code compiles as usual, but I get the following error stream immediately upon attempting to flash to memory:
--- Device = ADuC7026 Info: Device "ADUC7026X62" selected (62 KB flash, 8 KB RAM). VTarget = 3.332V Info: TotalIRLen = 4, IRPrint = 0x01 ***JLink Error: Bad JTAG communication: Write to IR: Expected 0x1, got 0x3 (TAP Command : 12) @ Off 0xD4. Info: Failed to read memory before ADI software reset. ***JLink Error: Bad JTAG communication: Write to IR: Expected 0x1, got 0x7 (TAP Command : 2) @ Off 0x5. DLL version V4.80c, compiled Jan 21 2014 20:01:42 Firmware: J-Link ARM V8 compiled Nov 25 2013 19:20:08 Hardware: V8.00 Info: Failed to halt CPU core before ADI software reset. JTAG speed: 750 kHz Full Chip Erase Failed! Cannot read memory ***JLink Error: Bad JTAG communication: Write to IR: Expected 0x1, got 0xF (TAP Command : 15) @ Off 0x5. ---
On successive attempts to reprogram Board #1, I get the following errors:
--- Device = ADuC7026 Info: Device "ADUC7026X62" selected (62 KB flash, 8 KB RAM). VTarget = 3.325V Info: Could not measure total IR len. TDO is constant high. Info: Could not measure total IR len. TDO is constant high. Info: Could not measure total IR len. TDO is constant high. Info: Could not measure total IR len. TDO is constant high. DLL version V4.80c, compiled Jan 21 2014 20:01:42 Firmware: J-Link ARM V8 compiled Nov 25 2013 19:20:08 Hardware: V8.00 Info: Could not measure total IR len. TDO is constant high. Info: Could not measure total IR len. TDO is constant high. Hardware-Breakpoints: 0 Software-Breakpoints: 0 Watchpoints: 0 Info: Could not measure total IR len. TDO is constant high. Invalid core Id. (0x00000000) Trying to connect with 5 kHz ! Info: Could not measure total IR len. TDO is constant high. Invalid core Id. (0x00000000) ---
Attempts to use the ARMWSD tool on Board #1 have been unsuccessful. I had working code on Board #1 before beginning to work on Board #2, but Board #1 no longer works ever since I've successfully programmed Board #2. The Board #1 code is only approx. 30kB in size.
I am not totally familiar with debug techniques or specifics, so detailed help would be greatly appreciated. Thank you very much for your time!