diff --git a/data/inverter.js b/data/inverter.js
index 5b1d875..0950a9e 100644
--- a/data/inverter.js
+++ b/data/inverter.js
@@ -67,6 +67,31 @@ var paramsCache = {
 var inverter = {
 
   firmwareVersion: 0,
+  uiHooks: {
+    onCommunicationError: function(_show) {},
+    onCanMappingError: function(_message, _status) {},
+    onSetParamProgress: function(_key, _value) {},
+    onSetParamReply: function(_reply, _key, _value) {},
+    onSetParamScroll: function() {},
+    onRequestError: function(_requestName) {}
+  },
+
+  setUiHooks: function(hooks)
+  {
+    inverter.uiHooks = Object.assign(inverter.uiHooks, hooks || {});
+  },
+
+  updateCommunicationState: function(status)
+  {
+    if (status != 200) {
+      paramsCache.failedFetchCount += 1;
+    }
+    else {
+      paramsCache.failedFetchCount = 0;
+    }
+
+    inverter.uiHooks.onCommunicationError(paramsCache.failedFetchCount >= 2);
+  },
 
   /** @brief send a command to the inverter */
   sendCmd: function(cmd, replyFunc, repeat)
@@ -80,18 +105,7 @@ var inverter = {
     xmlhttp.onreadystatechange = function() {
       if (xmlhttp.readyState === XMLHttpRequest.DONE) {
         console.log(req + ": " + xmlhttp.status);
-        if (xmlhttp.status != 200) {
-          paramsCache.failedFetchCount += 1;
-          if ( paramsCache.failedFetchCount >= 2 && typeof ui !== 'undefined'){
-            ui.showCommunicationErrorBar();
-          }
-        }
-        else {
-          paramsCache.failedFetchCount = 0;
-        }
-        if ( paramsCache.failedFetchCount < 2 && typeof ui !== 'undefined') {
-          ui.hideCommunicationErrorBar();
-        }
+        inverter.updateCommunicationState(xmlhttp.status);
       }
     }
 
@@ -135,10 +149,7 @@ var inverter = {
     xmlhttp.onload = function()
     {
       if (xmlhttp.status != 200) {
-        var messageBox = document.getElementById("message");
-        if (messageBox) {
-          messageBox.innerHTML = this.responseText;
-        }
+        inverter.uiHooks.onCanMappingError(this.responseText, xmlhttp.status);
         return;
       }
 
@@ -148,18 +159,7 @@ var inverter = {
     xmlhttp.onreadystatechange = function() {
       if (xmlhttp.readyState === XMLHttpRequest.DONE) {
         console.log(req + ": " + xmlhttp.status);
-        if (xmlhttp.status != 200) {
-          paramsCache.failedFetchCount += 1;
-          if ( paramsCache.failedFetchCount >= 2 && typeof ui !== 'undefined'){
-            ui.showCommunicationErrorBar();
-          }
-        }
-        else {
-          paramsCache.failedFetchCount = 0;
-        }
-        if ( paramsCache.failedFetchCount < 2 && typeof ui !== 'undefined') {
-          ui.hideCommunicationErrorBar();
-        }
+        inverter.updateCommunicationState(xmlhttp.status);
       }
     }
 
@@ -252,11 +252,10 @@ var inverter = {
     if (index < keys.length)
     {
       var key = keys[index];
-      modal.appendToModal('large', "Setting " + key + " to " + params[key] + "<br>");
+      inverter.uiHooks.onSetParamProgress(key, params[key]);
       inverter.sendCmd("set " + key + " " + params[key], function(reply) {
-        modal.appendToModal('large', reply + "<br>");
-        // auto-scroll text in modal as it is added
-        modal.largeModalScrollToBottom();
+        inverter.uiHooks.onSetParamReply(reply, key, params[key]);
+        inverter.uiHooks.onSetParamScroll();
         inverter.setParam(params, index + 1);
       });
     }
@@ -275,7 +274,7 @@ var inverter = {
     }
     filesRequest.onerror = function()
     {
-      alert("error");
+      inverter.uiHooks.onRequestError("getFiles");
     }
     filesRequest.open("GET", "/list", true);
     filesRequest.send();
@@ -292,7 +291,7 @@ var inverter = {
     }
     deleteFileRequest.onerror = function()
     {
-      alert("error");
+      inverter.uiHooks.onRequestError("deleteFile");
     }
     deleteFileRequest.open("DELETE", "/edit?f=" + filename, true);
     deleteFileRequest.send();
diff --git a/data/ui.js b/data/ui.js
index aca1a62..ace0a19 100644
--- a/data/ui.js
+++ b/data/ui.js
@@ -116,6 +116,39 @@ var ui = {
 		}
 	},
 
+	bindInverterUiHooks: function()
+	{
+		inverter.setUiHooks({
+			onCommunicationError: function(show) {
+				if (show) {
+					ui.showCommunicationErrorBar();
+				}
+				else {
+					ui.hideCommunicationErrorBar();
+				}
+			},
+			onCanMappingError: function(message, _status) {
+				var messageBox = document.getElementById("message");
+				if (messageBox) {
+					messageBox.innerHTML = message;
+				}
+			},
+			onSetParamProgress: function(key, value) {
+				modal.appendToModal('large', "Setting " + key + " to " + value + "<br>");
+			},
+			onSetParamReply: function(reply, _key, _value) {
+				modal.appendToModal('large', reply + "<br>");
+			},
+			onSetParamScroll: function() {
+				// auto-scroll text in modal as it is added
+				modal.largeModalScrollToBottom();
+			},
+			onRequestError: function(_requestName) {
+				alert("error");
+			}
+		});
+	},
+
 	/** @brief switch to a different page tab */
 	openPage: function(pageName, elmnt, color)
 	{
@@ -157,6 +190,8 @@ var ui = {
 	/** @brief excutes when page finished loading. Creates tables and chart */
 	onLoad: function()
 	{
+		ui.bindInverterUiHooks();
+
 		// Set up listener to execute commands when enter is pressed (dashboard, command box)
 		var commandinput = document.getElementById('commandinput');
 		commandinput.addEventListener("keyup", function(event)
diff --git a/esp32-web-interface.ino b/esp32-web-interface.ino
index 91f9889..c668452 100644
--- a/esp32-web-interface.ino
+++ b/esp32-web-interface.ino
@@ -67,10 +67,21 @@
 #include "src/oi_can.h"
 #include "src/config.h"
 
+#ifdef FOCCCI_LOGGING
 #define DBG_OUTPUT_PORT Serial2
 #define INVERTER_PORT UART_NUM_0
 #define INVERTER_RX 3
 #define INVERTER_TX 1
+#define DBG_BAUD 921600
+#define INVERTER_BAUD 921600
+#else
+#define DBG_OUTPUT_PORT Serial
+#define INVERTER_PORT UART_NUM_2
+#define INVERTER_RX 16
+#define INVERTER_TX 17
+#define DBG_BAUD 115200
+#define INVERTER_BAUD 115200
+#endif
 #define UART_TIMEOUT (100 / portTICK_PERIOD_MS)
 #define UART_MESSBUF_SIZE 100
 #ifndef LED_BUILTIN
@@ -747,12 +758,12 @@ void staCheck(){
 }
 
 void setup(void){
-  DBG_OUTPUT_PORT.begin(921600);
+  DBG_OUTPUT_PORT.begin(DBG_BAUD);
   //Inverter.setRxBufferSize(50000);
   //Inverter.begin(115200, SERIAL_8N1, INVERTER_RX, INVERTER_TX);
   //Need to use low level Espressif IDF API instead of Serial to get high enough data rates
   uart_config_t uart_config = {
-        .baud_rate = 921600,
+        .baud_rate = INVERTER_BAUD,
         .data_bits = UART_DATA_8_BITS,
         .parity    = UART_PARITY_DISABLE,
         .stop_bits = UART_STOP_BITS_1,
@@ -884,8 +895,11 @@ void binaryLoggingStart()
 {
   if(createNextSDFile())
   {
+#ifdef FOCCCI_LOGGING
+    //In FOCCCI mode data is received directly on INVERTER_PORT; no inverter commands needed
     fastLoggingActive = true;
     return;
+#endif
     sendCommand(""); //flush out buffer in case just had power up
     delay(10);
     sendCommand("binarylogging 1"); //send start logging command to inverter
@@ -914,10 +928,11 @@ void binaryLoggingStart()
 
 void binaryLoggingStop()
 {
+#ifdef FOCCCI_LOGGING
   dataFile.flush(); //make sure up to date
   dataFile.close();
   fastLoggingActive = false;
-  return;
+#else
   uart_write_bytes(INVERTER_PORT, "\n", 1);
   delay(1);
   uart_write_bytes(INVERTER_PORT, "binarylogging 0", strlen("binarylogging 0"));
@@ -943,6 +958,7 @@ void binaryLoggingStop()
   }
   delay(10);
   uart_flush(INVERTER_PORT);
+#endif
 }
 
 void loop(void){
diff --git a/platformio.ini b/platformio.ini
index 8921350..0fddb74 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -66,3 +66,17 @@ lib_deps =
 	bblanchon/ArduinoJson@^7.1.0
 	bblanchon/StreamUtils@^1.7.3
 	SPI
+
+[env:foccci_logging]
+build_flags = 
+	${env.build_flags}
+	-D RELEASE
+	-D FOCCCI_LOGGING
+	-Wall -Werror
+build_type = release
+lib_deps = 
+	fbiego/ESP32Time@^2.0.0
+	adafruit/RTClib@^2.1.1
+	bblanchon/ArduinoJson@^7.1.0
+	bblanchon/StreamUtils@^1.7.3
+	SPI