Add AP password (nrwiersma#32)

Fixes nrwiersma#31

README.md

@@ -82,6 +82,13 @@ void setAPName(const char *name)
 ```
 > Sets the name used for the access point.
 
+### setAPPassword
+```
+void setAPPassword(const char *password)
+```
+> Sets the password used for the access point. For WPA2-PSK network it should be at least 8 character long.
+> If not specified, the access point will be open for anybody to connect to.
+
 ### setAPFilename
 ```
 void setAPFilename(const char *filename)

src/ConfigManager.cpp

@@ -15,6 +15,10 @@ void ConfigManager::setAPName(const char *name) {
     this->apName = (char *)name;
 }
 
+void ConfigManager::setAPPassword(const char *password) {
+    this->apPassword = (char *)password;
+}
+
 void ConfigManager::setAPFilename(const char *filename) {
     this->apFilename = (char *)filename;
 }
@@ -242,7 +246,7 @@ void ConfigManager::startAP() {
     IPAddress ip(192, 168, 1, 1);
     WiFi.mode(WIFI_AP);
     WiFi.softAPConfig(ip, ip, IPAddress(255, 255, 255, 0));
-    WiFi.softAP(apName);
+    WiFi.softAP(apName, apPassword);
 
     delay(500); // Need to wait to get IP
 

src/ConfigManager.h

@@ -122,6 +122,7 @@ class ConfigManager {
 
     Mode getMode();
     void setAPName(const char *name);
+    void setAPPassword(const char *password);
     void setAPFilename(const char *filename);
     void setAPTimeout(const int timeout);
     void setWifiConnectRetries(const int retries);
@@ -162,6 +163,7 @@ class ConfigManager {
     size_t configSize;
 
     char *apName = (char *)"Thing";
+    char *apPassword = NULL;
     char *apFilename = (char *)"/index.html";
     int apTimeout = 0;
     unsigned long apStart = 0;