Custom PCB no id code detected

[kefom]

Hello 

I Just got my first Custom PCB's i dont know how to compile the code into them .Can someone help me . I just get the errror messege when i try to find target : 

Failed to connect target

noid code detected

Please check connection and target interface type

Sincerely 

Efe Demir

[Kaja]

Hi Efe,

are you using a DK or a jlink to flash your pcb? 

To use a DK you use the debug out pin on the DK, and connect to the SWD interface on your pcb. Remember that you need to externally supply your pcb. 



Best regards,
Kaja

[kefom]

I am using dk and the circuit was almost the same the only thing is that i didnt connect dks ground and gnd detect together i will try this as soon as posible and let you know till then thanks for your answer

Best regards,

[kefom]

i did the connections like the image but it still gives the same problem i didnt made a library that defines the custom pcb pins can this be the reason if it is can you help me out with an example 

Best regards

[Kaja]

And you are powering the pcb enterally? and the DK is connected with USB to the computer? 

Best regards,
Kaja

[kefom]

yes dk is connected with usb and im powering PCB with coin cell battery 3 Volts ( i also tried powering it with dk's vdd and ground ) and with connections made i open segger embedded studio and push - target- Connect j_link and this error comes to the screen

Best regards

Efe

[Kaja]

What voltage do you measure on the reset pin on your custom board? 

Best regards,
Kaja