Successful connection of Segger J-Link for JTAG use
Posted: Fri Jul 21, 2017 3:57 am
I am trying to get ESP32 JTAG debugging working, and I am having a hard time establishing connection. I am using the following setup & instructions:
Setup
At Step 3.3.3 I cannot get my Segger to be recognized & used in OpenOCD. It is attached to my Virtualbox as follows (from dmesg):
dmesg output from connected Segger
[ 73.722856] usb 2-2: new full-speed USB device number 3 using ohci-pci
[ 74.270737] usb 2-2: New USB device found, idVendor=1366, idProduct=0101
[ 74.270741] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 74.270744] usb 2-2: Product: J-Link
[ 74.270746] usb 2-2: Manufacturer: SEGGER
[ 74.270748] usb 2-2: SerialNumber: 000269402770
How do you get the Segger to work for OpenOCD here, what is the target value to use for Step 3.3.3? Are there any examples that use the Segger for reference?
So excited to get JTAG working here, please let me know!
Setup
- Board: Espressif DevKitC
- JTAG: Segger J-Link EDU
- OS: Ubuntu 16.04 (Virtualbox, Win10 PC)
At Step 3.3.3 I cannot get my Segger to be recognized & used in OpenOCD. It is attached to my Virtualbox as follows (from dmesg):
dmesg output from connected Segger
[ 73.722856] usb 2-2: new full-speed USB device number 3 using ohci-pci
[ 74.270737] usb 2-2: New USB device found, idVendor=1366, idProduct=0101
[ 74.270741] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 74.270744] usb 2-2: Product: J-Link
[ 74.270746] usb 2-2: Manufacturer: SEGGER
[ 74.270748] usb 2-2: SerialNumber: 000269402770
How do you get the Segger to work for OpenOCD here, what is the target value to use for Step 3.3.3? Are there any examples that use the Segger for reference?
So excited to get JTAG working here, please let me know!