basic wifi thingy

Firmware/EggbotWireless/include/Config.h

@@ -6,4 +6,6 @@ constexpr int i2cTimeout{10}, i2cTimeoutTries{10};
 constexpr int lastStsTTL{1};
 constexpr unsigned long powerTimeout{20000}, powerStartupDelay{100};
 
+constexpr const char *defSSID{"eggbot"}, *defPass{"eggbotwi"};
+
 #endif  // CONFIG_H

Firmware/EggbotWireless/include/ConfigManager.h

@@ -14,8 +14,8 @@ class ConfigManager {
    public:
     std::unordered_map<std::string, std::string> map;
     ConfigManager();
-    std::string get(std::string &prop);
-    void update(std::string &prop, std::string &val);
+    std::string get(std::string prop);
+    void update(std::string prop, std::string val);
     void load();
     void write();
     void reset();

Firmware/EggbotWireless/include/WiFiManager.h

@@ -0,0 +1,19 @@
+#ifndef WIFI_MANAGER_H
+#define WIFI_MANAGER_H
+
+#include <Arduino.h>
+#include <ESP8266WiFi.h>
+
+#include "ConfigManager.h"
+
+class WiFiManager
+{
+private:
+public:
+    WiFiManager();
+    void init();
+};
+
+extern WiFiManager wifiManager;
+
+#endif // WIFI_MANAGER_H

Firmware/EggbotWireless/src/ConfigManager.cpp

@@ -1,14 +1,10 @@
 #include "EEPROM.h"
 
+#include "Config.h"
 #include "ConfigManager.h"
 
 const std::unordered_map<std::string, std::string> defaults{
-    {{"wifiClient", "off"},
-     {"wifiClientSSID", ""},
-     {"wifiClientPass", ""},
-     {"wifiAP", "on"},
-     {"wifiAPSSID", "eggbot"},
-     {"wifiAPPASS", "eggbot"}}};
+    {{"wifiMode", "ap"}, {"wifiSSID", defSSID}, {"wifiPass", defPass}}};
 
 /*
     Max string length is 25
@@ -19,7 +15,7 @@ const std::unordered_map<std::string, std::string> defaults{
 
 ConfigManager::ConfigManager() { map.reserve(20); }
 
-void ConfigManager::update(std::string &prop, std::string &val) {
+void ConfigManager::update(std::string prop, std::string val) {
     if (prop == "good" || prop == "reset" || prop == "end") {
         return;
     }
@@ -33,7 +29,7 @@ void ConfigManager::update(std::string &prop, std::string &val) {
     saved = false;
 }
 
-std::string ConfigManager::get(std::string &prop) {
+std::string ConfigManager::get(std::string prop) {
     auto valp = map.find(prop);
     if (valp != map.end()) {
         return valp->second;

Firmware/EggbotWireless/src/WiFiManager.cpp

@@ -0,0 +1,33 @@
+#include "WiFiManager.h"
+
+#include "Config.h"
+
+WiFiManager::WiFiManager(){};
+
+void WiFiManager::init() {
+    if (configManager.get("wifiMode") == "client") {
+        WiFi.begin(configManager.get("wifiSSID").c_str(),
+                   configManager.get("wifiPass").c_str());
+        int status = WiFi.status();
+        while (status != WL_CONNECTED && status != WL_NO_SSID_AVAIL &&
+               status != WL_CONNECT_FAILED) {
+            delay(500);
+            status = WiFi.status();
+        }
+        if (status == WL_NO_SSID_AVAIL || status == WL_CONNECT_FAILED) {
+            Serial.println("WiFi connection failed");
+            configManager.update("wifiMode", "ap");
+            configManager.update("wifiSSID", defSSID);
+            configManager.update("wifiPass", defPass);
+        }
+    }
+
+    if (configManager.get("wifiMode") == "ap") {
+        WiFi.reconnect();
+        Serial.println("Starting WiFi AP");
+        WiFi.softAP(configManager.get("wifiSSID").c_str(),
+                    configManager.get("wifiPass").c_str());
+    }
+}
+
+WiFiManager wifiManager;

Firmware/EggbotWireless/src/main.cpp

@@ -9,6 +9,7 @@
 #include "GCodeParser.h"
 #include "Globals.h"
 #include "LocalExecutor.h"
+#include "WiFiManager.h"
 #include "Power.h"
 #include "common/Commands.h"
 
@@ -21,6 +22,7 @@ void setup() {
     Wire.begin(12, 13);
     power.enable12v();
     configManager.load();
+    wifiManager.init();
 }
 
 void printSts(I2CStatusMsg status) {