debugging support :) over gdbstub

README.md

 upload_flags =
   --port=8266
   --auth=admin
-
-lib_deps =
-  ottowinter/PCA9685 16-Channel PWM Driver Module Library @ 1.2.9
 ```
 

extra_script.py → create_gz_files.py

+#!/usr/bin/python3
 
 import os, gzip
 # https://www.mischianti.org/2020/10/26/web-server-with-esp8266-and-esp32-byte-array-gzipped-pages-and-spiffs-2/

doku.md

 
 => Software Timer https://ullisroboterseite.de/esp8266-timing.html#timer
 
+
+
+
+### __Zum aktivieren von GDBStub:__
+```c
+#include <GDBStub.h>
+
+...
+
+void setup() {
+  Serial.begin(460800);
+  gdbstub_init();
+```
+
+### __Achtung !__
+GDB muss dafür compiled werden
+GDB-Version aus Arduino Toolchain hat Support
+
+```sh
+$ ./start_xtensa_gdb_stub.sh
+```

include/httpserver.h

+#ifndef __HTTPSERVER_H
+#define __HTTPSERVER_H
+
+#include <ESP8266WebServer.h>
+
+class HTTPServer {
+private:
+    int port;
+    ESP8266WebServer* server;
+
+public:
+    HTTPServer(int port) {
+        server = new ESP8266WebServer;
+
+        // server->on("/", handleRootGz);
+        // server->on("/style.css", handleCssGz);
+        // server->on("/favicon.png", handleFaviconGz);
+        // server->onNotFound(handleNotFound);
+    
+        server->begin(port);
+    }
+    ~HTTPServer() {
+        server->stop();
+        delete server;
+    }
+
+    void initialize() {
+        server->begin(port);
+    }
+    
+    void handleClient() {
+        server->handleClient();
+    }
+};
+
+
+#endif // __HTTPSERVER_H

scripts/gdboptions

+set remote hardware-breakpoint-limit 1
+set remote hardware-watchpoint-limit 1
+set remote interrupt-on-connect on
+set remote kill-packet off
+set remote symbol-lookup-packet off
+set remote verbose-resume-packet off
+mem 0x20000000 0x3fefffff ro cache
+mem 0x3ff00000 0x3fffffff rw
+mem 0x40000000 0x400fffff ro cache
+mem 0x40100000 0x4013ffff rw cache
+mem 0x40140000 0x5fffffff ro cache
+mem 0x60000000 0x60001fff rw
+set serial baud 460800
+
+file .pio/build/debug/firmware.elf
+target remote /dev/ttyUSB0
+thb loop 

src/main.cpp

 #include <Arduino.h>
-#ifdef WITH_GDB_STUB
+
+// debugging support via GDBStub over UART
+#ifdef WITH_DEBUGGING_ON
 #include <GDBStub.h>
 #endif
 
-// #include <Wire.h>
 #include "PCA9685.h"
+extern "C" {
+#include "user_interface.h"
+}
 
 #define ESP12_LED 2
 #define NODEMCU_LED 16
 
-extern "C" {
-#include "user_interface.h"
-}
+
 os_timer_t Timer1;         // Verwaltungsstruktur des Timers
 
 int c;
 #include <ESP8266WebServer.h>
 #include <WiFiClient.h>
 
-// #include "index.html.gz.h"
-// #include "style.css.gz.h"
-// #include "favicon.png.gz.h"
+#include "index.html.gz.h"
+#include "style.css.gz.h"
+#include "favicon.png.gz.h"
 // images are possible
 // maybe check out FS <- SPIFFS
 
 void handleRootGz() {
     const char* dataType = "text/html";
     server.sendHeader(F("Content-Encoding"), F("gzip"));
-    server.send(404, dataType, "debug");
-    // server.send(200, dataType, (const char*)index_html_gz, index_html_gz_len);
+    server.send(200, dataType, (const char*)index_html_gz, index_html_gz_len);
 }
 
 void handleCssGz() {
     const char* dataType = "text/css";
     server.sendHeader(F("Content-Encoding"), F("gzip"));
-    server.send(404, dataType, "debug");
-    // server.send(200, dataType, (const char*)style_css_gz, style_css_gz_len);
+    server.send(200, dataType, (const char*)style_css_gz, style_css_gz_len);
 }
 void handleFaviconGz() {
     const char* dataType = "image/png";
     server.sendHeader(F("Content-Encoding"), F("gzip"));
-    server.send(404, dataType, "debug");
-    // server.send(200, dataType, (const char*)favicon_png_gz, favicon_png_gz_len);
+    server.send(200, dataType, (const char*)favicon_png_gz, favicon_png_gz_len);
 }
 
 void handleNotFound() {
 }
 
 void setup() {
-#ifdef WITH_GDB_STUB
+#ifdef WITH_DEBUGGING_ON
   Serial.begin(460800);
   gdbstub_init();
 #else

start_xtensa_gdb_stub.sh

+#!/bin/bash
+GDB_PATH=~/.arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/3.0.0-newlib4.0.0-gnu23-48f7b08/bin/xtensa-lx106-elf-gdb
+
+cd ..
+echo "Starting gdb"
+$GDB_PATH -x scripts/gdboptions

templ_platformio_ini

 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
-[env:esp01_1m]
+[env]
 platform = espressif8266
-board = esp01_1m
+board = nodemcuv2
 framework = arduino
 monitor_speed = 115200
-
 extra_scripts = pre:extra_script.py
 
+[env:serial]
+upload_protocol = esptool
+upload_speed = 921600
+
+[env:ota]
 ; stuff for OTA 
 ; https://docs.platformio.org/en/latest/platforms/espressif8266.html#over-the-air-ota-update
 upload_protocol = espota
   --port=8266
   --auth=admin
 
-lib_deps =
-  ottowinter/PCA9685 16-Channel PWM Driver Module Library @ 1.2.9
+[env:debug]
+build_flags = -DWITH_DEBUGGING_ON -Os -g3 -ggdb3
+upload_protocol = esptool
+upload_speed = 921600
+
+
+
+
+