Hi, have you double checked the JTAG PIN connection? Attached you will find my cabling (esp32 DEV C). I am not using this entry in the config: esp32 flashbootstrap 1.8 HTH br Patrick Thanks for posting your setup. Now I'm quite certain my wiring and jumper settings are correct. Perhaps my TUMPA is ...

roctwo wrote:

ESP_Sprite wrote:Can you see if the VTAR_PWR LED on the Tumpa lights up? If not, you either need to connect Vtar to the ESP32's 3.3V or change the VT_SEL jumper to the other position.

VTAR_PWR LED is bright.

Hi

I'm having exactly the same issue as you did. Did you manage to figure it out?

Cheers

Hi I'm having a tough time trying to setup TUMPA with a ESP-WROOM-32 breakout on OSX 10.12.6, but I'm stuck with the "all ones" error: "Error: JTAG scan chain interrogation failed: all ones" I believe I have the wiring correct, because I get the "all zeroes" error when I ground TDO: "Error: JTAG sca...

It works now, thank you!! It did require connection of VCC to the JTAG for successful connection, and then ready to go! Congratulations! I'm getting the same "all ones" error you had before, but I'm using TUMPA. Did you just make the VCC connection to get it to work? I've already got VCC connected ...

Hi

With ETHARP_DEBUG set to LWIP_DBG_ON, should I expect to see messages printed on stdout?

Also, is ethernet_input() used for receiving frames for all interfaces? So, even over WiFi, I should expect ethernet_input() to be invoked - right?

Thanks