Using Olimex ARM-USB-OCD-H JTAG Debugger and CrossWorks connected to a NGX = Technologies BlueBoard LPC-1768-H. When trying to connect to the target usi= ng CrossWorks software (Generic FT2332 Device) get the following error:
"Cannot identify target. Check JTAG connections and that the target is powe= red"
Each time I try to connect I see that two of the board's LEDs D4 and D8 fla= sh. Note that if I disconnect the board from the JTAG connector and connect= the board to the USB port, my PC identifies the board indicating that the = program on the board is operating when not connected to the JTAG connector.= The following are Crosswork settings for the Generic FT2332 Device:
nSRST Inversion Mask 0x0200 nSRST Mask =3D 0x0200 nTRST Inversion Mask =3D 0x0000 nTRST Mask - 0x0400 Output Pins =3D 0x0F1B Output Value =3D 0x0408 PID: 0x002B VID: 0x15BA
JTAG Clock Divider: 10
CrossWorks support suggested that I make the following two changes based on= another customer who was having a similar problem:
nTRST Mask: 0x0100 Output Value: 0x0108
After those changes I get the following error:
"Target not responding"
Note that if I don't connect the JTAG it appears that the onboard program o= n the BlueBoard is functioning, i.e., when you reset the board the LED flas= hes a few times and then illuminates. Are there jumpers on the board that n= eed to be changed to use JTAG?
Is there any documentation on the board other than the 6 page user manual a= nd schematic?
Thanks.