topic Re: GDB / OpenOCD unable to halt K60 target in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/GDB-OpenOCD-unable-to-halt-K60-target/m-p/333707#M15800 <HTML><HEAD></HEAD><BODY><P>Near as I can tell, OpenOCD is requestiong the CPU to halt through the MDM-AP register, and it times out looking for core halted in the status register.</P><P></P><P>I'm running bare metal, no low power modes.</P></BODY></HTML> Fri, 17 Oct 2014 22:33:18 GMT norton256 2014-10-17T22:33:18Z GDB / OpenOCD unable to halt K60 target https://community.nxp.com/t5/Kinetis-Microcontrollers/GDB-OpenOCD-unable-to-halt-K60-target/m-p/333706#M15799 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I have been developing with GDB + OpenOCD on K60s for a couple of years, and this is the first time I've had a time where OpenOCD and GDB were unable to halt the micro. The device is going off into some odd and unresponsive state (it is not even blinking its LED anymore). No exceptions are being caught, and the device is not resetting. When it gets into this state, I attempt to ^C in GDB to see where in the code it is. OpenOCD responds with the following:</P><P><SPAN style="font-size: 11.0pt; font-family: 'Calibri','sans-serif'; color: #1f497d;">Info : Halt timed out, wake up GDB.</SPAN></P><P><SPAN style="font-size: 11.0pt; font-family: 'Calibri','sans-serif'; color: #1f497d;">Warn : target not halted</SPAN></P><P><SPAN style="font-size: 11.0pt; font-family: 'Calibri','sans-serif'; color: #1f497d;">Warn : target not halted</SPAN></P><P></P><P>Has anyone encountered this before? JTAG is not broken, since I can reset the device with a NVIC SYSRESETREQ, as opposed the the SRST line from the pod.</P><P></P><P>Thanks</P></BODY></HTML> Fri, 17 Oct 2014 18:43:34 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/GDB-OpenOCD-unable-to-halt-K60-target/m-p/333706#M15799 norton256 2014-10-17T18:43:34Z Re: GDB / OpenOCD unable to halt K60 target https://community.nxp.com/t5/Kinetis-Microcontrollers/GDB-OpenOCD-unable-to-halt-K60-target/m-p/333707#M15800 <HTML><HEAD></HEAD><BODY><P>Near as I can tell, OpenOCD is requestiong the CPU to halt through the MDM-AP register, and it times out looking for core halted in the status register.</P><P></P><P>I'm running bare metal, no low power modes.</P></BODY></HTML> Fri, 17 Oct 2014 22:33:18 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/GDB-OpenOCD-unable-to-halt-K60-target/m-p/333707#M15800 norton256 2014-10-17T22:33:18Z