Content originally posted in LPCWare by Harrie on Thu Feb 18 05:31:59 MST 2016 Without result so far, I have made several attempts to share a single SWD-bus to debug two LPC11Cxx MCUs.
Debugging in LPCXpresso works fine with a single MCU on the PCB, however when the second MCU is added the I get the following error.
[color=#f00]Target error from Register access: Nn(05). ACK Fault terminating on communication loss: Pipe has been closed by GDB.[/color]
If possible, I would like to know how to create a shared SWD-bus as discribed in the link below?
Content originally posted in LPCWare by TheFallGuy on Thu Feb 18 05:51:45 MST 2016 Multi-drop SWD is not supported in standard Cortex-M0, M3 and M4 parts. According to this ARM article: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/ka16814.html The chip vendor (i.e NXP) needs to license (and therefore implement in silicon) an additional component. AFAIK, NXP has not...
