implemented #318 static IP support

tools/esp8266/ahoywifi.cpp

@@ -141,6 +141,14 @@ bool ahoywifi::setupStation(uint32_t timeout) {
     }
 
     WiFi.mode(WIFI_STA);
+    if(mConfig->staticIp.ip[0] != 0) {
+        IPAddress ip(mConfig->staticIp.ip);
+        IPAddress mask(mConfig->staticIp.mask);
+        IPAddress dns(mConfig->staticIp.dns);
+        IPAddress gateway(mConfig->staticIp.gateway);
+        if(!WiFi.config(ip, gateway, mask, dns))
+            DPRINTLN(DBG_ERROR, F("failed to set static IP!"));
+    }
     WiFi.begin(mSysCfg->stationSsid, mSysCfg->stationPwd);
     if(String(mSysCfg->deviceName) != "")
         WiFi.hostname(mSysCfg->deviceName);

tools/esp8266/defines.h

@@ -126,6 +126,17 @@ typedef struct {
 #pragma pack(pop)   // restore original alignment from stack
 
 
+#pragma pack(push)  // push current alignment to stack
+#pragma pack(1)     // set alignment to 1 byte boundary
+typedef struct {
+    uint8_t ip[4];      // ip address
+    uint8_t mask[4];    // sub mask
+    uint8_t dns[4];     // dns
+    uint8_t gateway[4]; // standard gateway
+} staticIp_t;
+#pragma pack(pop)   // restore original alignment from stack
+
+
 #pragma pack(push)  // push current alignment to stack
 #pragma pack(1)     // set alignment to 1 byte boundary
 typedef struct {
@@ -160,8 +171,8 @@ typedef struct {
     bool serialShowIv;
     bool serialDebug;
 
-    // static ip placeholder
-    uint32_t staticIp[4];
+    // static ip
+    staticIp_t staticIp;
 } config_t;
 #pragma pack(pop)   // restore original alignment from stack
 

tools/esp8266/html/setup.html

@@ -57,6 +57,21 @@
                             <label for="pwd">Password</label>
                             <input type="password" class="text" name="pwd" value="{PWD}"/>
                         </fieldset>
+                        <fieldset>
+                            <legend class="des">Static IP (optional)</legend>
+                            <p>
+                                Leave fields blank for DHCP<br/>
+                                The following fields are parsed in this format: 192.168.1.1
+                            </p>
+                            <label for="ipAddr">IP Address</label>
+                            <input type="text" name="ipAddr" class="text" maxlength="15" />
+                            <label for="ipMask">Submask</label>
+                            <input type="text" name="ipMask" class="text" maxlength="15" />
+                            <label for="ipDns">DNS</label>
+                            <input type="text" name="ipDns" class="text" maxlength="15" />
+                            <label for="ipGateway">Gateway</label>
+                            <input type="text" name="ipGateway" class="text" maxlength="15" />
+                        </fieldset>
                     </div>
 
                     <button type="button" class="s_collapsible">Inverter</button>
@@ -92,6 +107,9 @@
                     <div class="s_content">
                     <fieldset>
                     <legend class="des">Sunrise & Sunset</legend>
+                        <p>
+                            Latitude and Longitude must be set to be stored! decimal separator: '.' (dot)
+                        </p>
                         <label for="sunLat">Latitude (decimal)</label>
                         <input type="text" class="text" name="sunLat"/>
                         <label for="sunLon">Longitude (decimal)</label>
@@ -313,6 +331,12 @@
                 parseVersion(obj);
             }
 
+            function parseStaticIp(obj) {
+                for(var i of [["ipAddr", "ip"], ["ipMask", "mask"], ["ipDns", "dns"], ["ipGateway", "gateway"]])
+                    if(null != obj[i[1]])
+                        document.getElementsByName(i[0])[0].value = obj[i[1]];
+            }
+
             function parseIv(obj) {
                 for(var i = 0; i < obj.inverter.length; i++)
                     ivHtml(obj.inverter[i], i);
@@ -416,6 +440,7 @@
                 if(null != root) {
                     parseMenu(root["menu"]);
                     parseSys(root["system"]);
+                    parseStaticIp(root["static_ip"]);
                     parseIv(root["inverter"]);
                     parseMqtt(root["mqtt"]);
                     parseNtp(root["ntp"]);

tools/esp8266/web.cpp

@@ -330,6 +330,28 @@ void web::showSave(AsyncWebServerRequest *request) {
             mProtected = (strlen(mConfig->password) > 0);
         }
 
+
+        // static ip
+        if(request->arg("ipAddr") != "") {
+            request->arg("ipAddr").toCharArray(buf, SSID_LEN);
+            ip2Arr(mConfig->staticIp.ip, buf);
+            if(request->arg("ipMask") != "") {
+                request->arg("ipMask").toCharArray(buf, SSID_LEN);
+                ip2Arr(mConfig->staticIp.mask, buf);
+            }
+            if(request->arg("ipDns") != "") {
+                request->arg("ipDns").toCharArray(buf, SSID_LEN);
+                ip2Arr(mConfig->staticIp.dns, buf);
+            }
+            if(request->arg("ipGateway") != "") {
+                request->arg("ipGateway").toCharArray(buf, SSID_LEN);
+                ip2Arr(mConfig->staticIp.gateway, buf);
+            }
+        }
+        else
+            memset(&mConfig->staticIp, 0, sizeof(staticIp_t));
+
+
         // inverter
         Inverter<> *iv;
         for(uint8_t i = 0; i < MAX_NUM_INVERTERS; i ++) {

tools/esp8266/web.h

@@ -61,6 +61,15 @@ class web {
         void onSerial(AsyncWebServerRequest *request);
         void onSystem(AsyncWebServerRequest *request);
 
+        void ip2Arr(uint8_t ip[], char *ipStr) {
+            char *p = strtok(ipStr, ".");
+            uint8_t i = 0;
+            while(NULL != p) {
+                ip[i++] = atoi(p);
+                p = strtok(NULL, ".");
+            }
+        }
+
         AsyncWebServer *mWeb;
         AsyncEventSource *mEvts;
         bool mProtected;

tools/esp8266/webApi.cpp

@@ -284,6 +284,17 @@ void webApi::getSerial(JsonObject obj) {
 }
 
 
+//-----------------------------------------------------------------------------
+void webApi::getStaticIp(JsonObject obj) {
+    if(mConfig->staticIp.ip[0] != 0) {
+        obj[F("ip")]      = ip2String(mConfig->staticIp.ip);
+        obj[F("mask")]    = ip2String(mConfig->staticIp.mask);
+        obj[F("dns")]     = ip2String(mConfig->staticIp.dns);
+        obj[F("gateway")] = ip2String(mConfig->staticIp.gateway);
+    }
+}
+
+
 //-----------------------------------------------------------------------------
 void webApi::getMenu(JsonObject obj) {
     obj["name"][0] = "Live";
@@ -359,6 +370,7 @@ void webApi::getSetup(JsonObject obj) {
     getPinout(obj.createNestedObject(F("pinout")));
     getRadio(obj.createNestedObject(F("radio")));
     getSerial(obj.createNestedObject(F("serial")));
+    getStaticIp(obj.createNestedObject(F("static_ip")));
 }
 
 

tools/esp8266/webApi.h

@@ -45,6 +45,7 @@ class webApi {
         void getPinout(JsonObject obj);
         void getRadio(JsonObject obj);
         void getSerial(JsonObject obj);
+        void getStaticIp(JsonObject obj);
 
         void getMenu(JsonObject obj);
         void getIndex(JsonObject obj);
@@ -62,6 +63,12 @@ class webApi {
            return (int)(value * 1000 + 0.5) / 1000.0;
         }
 
+        String ip2String(uint8_t ip[]) {
+            char str[16];
+            snprintf(str, 16, "%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
+            return String(str);
+        }
+
         AsyncWebServer *mSrv;
         app *mApp;