Configuration (Settings) file

.clang-format

@@ -13,6 +13,7 @@ BreakBeforeBraces: Custom
 BraceWrapping:
   BeforeCatch: true
   BeforeElse: true
+PointerAlignment: Left
   
 AlwaysBreakAfterReturnType: None
 PenaltyReturnTypeOnItsOwnLine: 1000000

.gitignore

@@ -3,3 +3,4 @@
 .vscode/c_cpp_properties.json
 .vscode/launch.json
 .vscode/ipch
+include/settings.h

.vscode/settings.json

@@ -18,6 +18,31 @@
         "ostream": "cpp",
         "sstream": "cpp",
         "streambuf": "cpp",
-        "utility": "cpp"
+        "utility": "cpp",
+        "cctype": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "cstdarg": "cpp",
+        "cstddef": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "list": "cpp",
+        "exception": "cpp",
+        "functional": "cpp",
+        "system_error": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "iomanip": "cpp",
+        "limits": "cpp",
+        "new": "cpp",
+        "numeric": "cpp",
+        "stdexcept": "cpp",
+        "cinttypes": "cpp",
+        "typeinfo": "cpp"
     }
 }

include/config.h

@@ -1,13 +1,17 @@
 #include <Arduino.h>
 #include <EEPROM.h>
 
+#include <array>
+
 #define EEPROM_SIZE 64
 
 class Config {
 public:
-    typedef struct {
-        char wifiSSID[16];
-        char wifiPass[16];
+    typedef struct Data {
+        std::array<char, 16> wifiSSID;
+        std::array<char, 16> wifiPass;
+
+        Data &operator=(const Data &);
     } Data;
 
     Config(){};
@@ -24,6 +28,11 @@ public:
 
     const Data &data();
 
+    void printConfig();
+
 private:
     Data _data;
-};
+};
+
+bool operator==(const Config::Data &a, const Config::Data &b);
+bool operator!=(const Config::Data &a, const Config::Data &b);

include/settings.h

@@ -0,0 +1,12 @@
+/*****************************************************
+ * Configurations:                                   *
+ *                                                   *
+ * Copy or renamed this file to "settings.h"         *
+ * and edit it to your needs                         *
+ *                                                   *
+ * The settings will be stored to the controller if  *
+ * different from the previous/current configuration *
+ ****************************************************/
+
+const char* wifiSSID = "mySSID";
+const char* wifiPass = "myPass";

include/settings.h.orig

@@ -0,0 +1,12 @@
+/*****************************************************
+ * Configurations:                                   *
+ *                                                   *
+ * Copy or renamed this file to "settings.h"         *
+ * and edit it to your needs                         *
+ *                                                   *
+ * The settings will be stored to the controller if  *
+ * different from the previous/current configuration *
+ ****************************************************/
+
+const char* wifiSSID = "mySSID";
+const char* wifiPass = "myPass";

src/config.cpp

@@ -5,11 +5,11 @@ void Config::init() {
 }
 
 void Config::setSSID(String ssid) {
-    strcpy(_data.wifiSSID, ssid.c_str());
+    strcpy(_data.wifiSSID.data(), ssid.c_str());
 };
 
 void Config::setWifiPass(String pass) {
-    strcpy(_data.wifiPass, pass.c_str());
+    strcpy(_data.wifiPass.data(), pass.c_str());
 };
 
 void Config::load() {
@@ -36,4 +36,22 @@ void Config::save(Config::Data &data) {
 
 const Config::Data &Config::data() {
     return _data;
+}
+
+void Config::printConfig() {
+    Serial.printf("wifiSSID: %s\n", _data.wifiSSID.data());
+    Serial.printf("wifiPass: %s\n", _data.wifiPass.data());
+}
+
+Config::Data &Config::Data::operator=(const Config::Data &other) {
+    this->wifiSSID = other.wifiSSID;
+    this->wifiPass = other.wifiPass;
+    return *this;
+}
+
+bool operator==(const Config::Data &a, const Config::Data &b) {
+    return (a.wifiSSID == b.wifiSSID && a.wifiPass == b.wifiPass);
+}
+bool operator!=(const Config::Data &a, const Config::Data &b) {
+    return !(a == b);
 }

src/main.cpp

@@ -1,10 +1,12 @@
 #include <Arduino.h>
 #include <WiFi.h>
 
+// Project includes
 #include "OSCRemote.h"
 #include "Vbat.h"
 #include "body.h"
 #include "config.h"
+#include "settings.h"
 
 #include <memory>
 
@@ -25,8 +27,8 @@ void servoTest() {
 }
 
 void connectWiFi() {
-    Serial.printf("Connecting to %s\n", config.data().wifiSSID);
-    WiFi.begin(config.data().wifiSSID, config.data().wifiPass);
+    Serial.printf("Connecting to %s\n", config.data().wifiSSID.data());
+    WiFi.begin(config.data().wifiSSID.data(), config.data().wifiPass.data());
     WiFi.setHostname(hostname);
     while (WiFi.status() != WL_CONNECTED) {
         delay(500);
@@ -59,6 +61,18 @@ void sweepLeg() {
     d++;
 }
 
+void checkConfig() {
+    Config::Data compData;
+    strncpy(compData.wifiSSID.data(), wifiSSID, sizeof(compData.wifiSSID));
+    strncpy(compData.wifiPass.data(), wifiPass, sizeof(compData.wifiPass));
+
+    if (config.data() != compData) {
+        Serial.println("New configuration loaded");
+        config.save(compData);
+        config.printConfig();
+    }
+}
+
 void setup() {
     Serial.begin(9600);
 
@@ -69,19 +83,15 @@ void setup() {
     servoTest();
     config.load();
 
-    Serial.printf("SSID: %s\n", config.data().wifiSSID);
-    Serial.printf("pass: %s\n", config.data().wifiPass);
+    Serial.println("Current Flash Config:");
+    Serial.printf("- WiFi SSID: %s\n", config.data().wifiSSID.data());
+    Serial.printf("- WiFi pass: %s\n", config.data().wifiPass.data());
+    checkConfig();
     connectWiFi();
     remote.reset(new OSCRemote(vbat));
     remote->registerCallback(testRemoteCallback);
     // remote->init();
 
-    // Only to save as a test
-    /*
-    config.setSSID("testSSID");
-    config.setWifiPass("testPass");
-    config.save();
-    */
     sweepLeg();
 }