Basic Infos

Hardware

Hardware: ESP8266 (NodeMCU)

Description

Problem description

For couple of days I've been struggling to configure debugging for ESP8266 running on Arduino and using PlatformIO.
I managed to build a proper binary file with http://blog.squix.org/2016/04/esp8266-offline-debugging-with.html:

1. Added build_flags = -Og -ggdb -DDEBUG_ESP_PORT=Serial to platformio.ini
   2.Downloaded full xtensa SDK as this provided for PIO does not include xtensa GDB
   Thanks to these steps I am able to offline debug - see lines numbers etc,but I cannot make it work with online debugging. Here is what i ve done:
2. Added GDBStub.h include to my mian class
3. Started GDB with firmware that has debugging symbols included(form step 1) to debug via COM - set baud rate to 115200 (the same as I use for normal state check via serial moniotr - wifi messages etc.) .
4. I get no response - only timouts etc
5. In the result I would like to use CLion to insert breakpoints watches etc.

Can someone pint me what I'm mising ? I have 2 suspicions :

• Is inluding only GDBAtub.h enough or shoul I call gdb_init somewhere (its's not recognized as a function) or do anything more.
• Baud rate - should I use the same as the one set for serial communication messages (115200) ?

I am using Windows.

After some reading I changed build flags to :

build_flags = -Og -ggdb -DDEBUG_ESP_PORT=Serial -DDEBUG_ESP_CORE -DDEBUG_ESP_SSL -DDEBUG_ESP_WIFI -DDEBUG_ESP_HTTP_CLIENT -DDEBUG_ESP_HTTP_UPDATE -DDEBUG_ESP_HTTP_SERVER -DDEBUG_ESP_UPDATER -DDEBUG_ESP_OTA -DDEBUG_TLS_MEM

Module: NODEMCUv2 / ESP12E

Sketch

#include <ESP8266WiFi.h>
#include <ArduinoOTA.h>
#include <pb_encode.h>
#include <pb_decode.h>
#include <ESP8266mDNS.h>
#include <GDBStub.h>

void setup() {
 Serial.begin(115200);
}

void loop() {

}

Debug Messages

messages here