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Battery-Emulator/Software/src/devboard/webserver/webserver.cpp
Daniel 4cd5289929 Initial version of PDM support
2024-02-01 17:23:41 +02:00

858 lines
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#include "webserver.h"
// Create AsyncWebServer object on port 80
AsyncWebServer server(80);
// Measure OTA progress
unsigned long ota_progress_millis = 0;
const char index_html[] PROGMEM = R"rawliteral(
<!DOCTYPE HTML><html>
<head>
<title>Battery Emulator</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" type="image/png" href="favicon.png">
<style>
html {font-family: Arial; display: inline-block; text-align: center;}
h2 {font-size: 3.0rem;}
p {font-size: 3.0rem;}
body {max-width: 600px; margin:0px auto; padding-bottom: 25px;}
.switch {position: relative; display: inline-block; width: 120px; height: 68px}
.switch input {display: none}
.slider {position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; border-radius: 6px}
.slider:before {position: absolute; content: ""; height: 52px; width: 52px; left: 8px; bottom: 8px; background-color: #fff; -webkit-transition: .4s; transition: .4s; border-radius: 3px}
input:checked+.slider {background-color: #b30000}
input:checked+.slider:before {-webkit-transform: translateX(52px); -ms-transform: translateX(52px); transform: translateX(52px)}
</style>
</head>
<body>
<h2>Battery Emulator</h2>
%PLACEHOLDER%
</script>
</body>
</html>
)rawliteral";
String wifi_state;
bool wifi_connected;
// Wifi connect time declarations and definition
unsigned long wifi_connect_start_time;
unsigned long wifi_connect_current_time;
const long wifi_connect_timeout = 5000; // Timeout for WiFi connect in milliseconds
void init_webserver() {
// Configure WiFi
if (AccessPointEnabled) {
WiFi.mode(WIFI_AP_STA); // Simultaneous WiFi AP and Router connection
init_WiFi_AP();
init_WiFi_STA(ssid, password);
} else {
WiFi.mode(WIFI_STA); // Only Router connection
init_WiFi_STA(ssid, password);
}
// Route for root / web page
server.on("/", HTTP_GET,
[](AsyncWebServerRequest* request) { request->send_P(200, "text/html", index_html, processor); });
// Route for going to settings web page
server.on("/settings", HTTP_GET,
[](AsyncWebServerRequest* request) { request->send_P(200, "text/html", index_html, settings_processor); });
// Route for editing Wh
server.on("/updateBatterySize", HTTP_GET, [](AsyncWebServerRequest* request) {
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
BATTERY_WH_MAX = value.toInt();
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "Bad Request");
}
});
// Route for editing SOCMax
server.on("/updateSocMax", HTTP_GET, [](AsyncWebServerRequest* request) {
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
MAXPERCENTAGE = value.toInt() * 10;
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "Bad Request");
}
});
// Route for editing SOCMin
server.on("/updateSocMin", HTTP_GET, [](AsyncWebServerRequest* request) {
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
MINPERCENTAGE = value.toInt() * 10;
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "Bad Request");
}
});
// Route for editing MaxChargeA
server.on("/updateMaxChargeA", HTTP_GET, [](AsyncWebServerRequest* request) {
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
MAXCHARGEAMP = value.toInt() * 10;
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "Bad Request");
}
});
// Route for editing MaxDischargeA
server.on("/updateMaxDischargeA", HTTP_GET, [](AsyncWebServerRequest* request) {
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
MAXDISCHARGEAMP = value.toInt() * 10;
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "Bad Request");
}
});
#ifdef TEST_FAKE_BATTERY
// Route for editing FakeBatteryVoltage
server.on("/updateFakeBatteryVoltage", HTTP_GET, [](AsyncWebServerRequest* request) {
if (!request->hasParam("value")) {
request->send(400, "text/plain", "Bad Request");
}
String value = request->getParam("value")->value();
float val = value.toFloat();
battery_voltage = val*10;
request->send(200, "text/plain", "Updated successfully");
});
#endif
#if defined CHEVYVOLT_CHARGER || defined NISSANLEAF_CHARGER
// Route for editing ChargerTargetV
server.on("/updateChargeSetpointV", HTTP_GET, [](AsyncWebServerRequest* request) {
if (!request->hasParam("value")) {
request->send(400, "text/plain", "Bad Request");
}
String value = request->getParam("value")->value();
float val = value.toFloat();
if (!(val <= CHARGER_MAX_HV && val >= CHARGER_MIN_HV)) {
request->send(400, "text/plain", "Bad Request");
}
if (!(val * charger_setpoint_HV_IDC <= CHARGER_MAX_POWER)) {
request->send(400, "text/plain", "Bad Request");
}
charger_setpoint_HV_VDC = val;
request->send(200, "text/plain", "Updated successfully");
});
// Route for editing ChargerTargetA
server.on("/updateChargeSetpointA", HTTP_GET, [](AsyncWebServerRequest* request) {
if (!request->hasParam("value")) {
request->send(400, "text/plain", "Bad Request");
}
String value = request->getParam("value")->value();
float val = value.toFloat();
if (!(val <= MAXCHARGEAMP && val <= CHARGER_MAX_A)) {
request->send(400, "text/plain", "Bad Request");
}
if (!(val * charger_setpoint_HV_VDC <= CHARGER_MAX_POWER)) {
request->send(400, "text/plain", "Bad Request");
}
charger_setpoint_HV_IDC = value.toFloat();
request->send(200, "text/plain", "Updated successfully");
});
// Route for editing ChargerEndA
server.on("/updateChargeEndA", HTTP_GET, [](AsyncWebServerRequest* request) {
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
charger_setpoint_HV_IDC_END = value.toFloat();
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "Bad Request");
}
});
// Route for enabling/disabling HV charger
server.on("/updateChargerHvEnabled", HTTP_GET, [](AsyncWebServerRequest* request) {
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
charger_HV_enabled = (bool)value.toInt();
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "Bad Request");
}
});
// Route for enabling/disabling aux12v charger
server.on("/updateChargerAux12vEnabled", HTTP_GET, [](AsyncWebServerRequest* request) {
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
charger_aux12V_enabled = (bool)value.toInt();
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "Bad Request");
}
});
#endif
// Send a GET request to <ESP_IP>/update
server.on("/debug", HTTP_GET,
[](AsyncWebServerRequest* request) { request->send(200, "text/plain", "Debug: all OK."); });
// Route to handle reboot command
server.on("/reboot", HTTP_GET, [](AsyncWebServerRequest* request) {
request->send(200, "text/plain", "Rebooting server...");
//TODO: Should we handle contactors gracefully? Ifdef CONTACTOR_CONTROL then what?
delay(1000);
ESP.restart();
});
// Initialize ElegantOTA
init_ElegantOTA();
// Start server
server.begin();
}
void init_WiFi_AP() {
Serial.print("Creating Access Point: ");
Serial.println(ssidAP);
Serial.print("With password: ");
Serial.println(passwordAP);
WiFi.softAP(ssidAP, passwordAP);
IPAddress IP = WiFi.softAPIP();
Serial.println("Access Point created.");
Serial.print("IP address: ");
Serial.println(IP);
}
void init_WiFi_STA(const char* ssid, const char* password) {
// Connect to Wi-Fi network with SSID and password
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
wifi_connect_start_time = millis();
wifi_connect_current_time = wifi_connect_start_time;
while ((wifi_connect_current_time - wifi_connect_start_time) <= wifi_connect_timeout &&
WiFi.status() != WL_CONNECTED) { // do this loop for up to 5000ms
// to break the loop when the connection is not established (wrong ssid or password).
delay(500);
Serial.print(".");
wifi_connect_current_time = millis();
}
if (WiFi.status() == WL_CONNECTED) { // WL_CONNECTED is assigned when connected to a WiFi network
wifi_connected = true;
wifi_state = "Connected";
// Print local IP address and start web server
Serial.println("");
Serial.print("Connected to WiFi network: ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
} else {
wifi_connected = false;
wifi_state = "Not connected";
Serial.print("Not connected to WiFi network: ");
Serial.println(ssid);
Serial.println("Please check WiFi network name and password, and if WiFi network is available.");
}
}
void init_ElegantOTA() {
ElegantOTA.begin(&server); // Start ElegantOTA
// ElegantOTA callbacks
ElegantOTA.onStart(onOTAStart);
ElegantOTA.onProgress(onOTAProgress);
ElegantOTA.onEnd(onOTAEnd);
}
String processor(const String& var) {
if (var == "PLACEHOLDER") {
String content = "";
//Page format
content += "<style>";
content += "body { background-color: black; color: white; }";
content += "</style>";
// Start a new block with a specific background color
content += "<div style='background-color: #303E47; padding: 10px; margin-bottom: 10px;border-radius: 50px'>";
// Show version number
content += "<h4>Software version: " + String(versionNumber) + "</h4>";
// Display LED color
content += "<h4>LED color: ";
switch (LEDcolor) {
case GREEN:
content += "GREEN</h4>";
break;
case YELLOW:
content += "YELLOW</h4>";
break;
case BLUE:
content += "BLUE</h4>";
break;
case RED:
content += "RED</h4>";
break;
case TEST_ALL_COLORS:
content += "RGB Testing loop</h4>";
break;
default:
break;
}
// Display ssid of network connected to and, if connected to the WiFi, its own IP
content += "<h4>SSID: " + String(ssid) + "</h4>";
content += "<h4>Wifi status: " + wifi_state + "</h4>";
if (wifi_connected == true) {
content += "<h4>IP: " + WiFi.localIP().toString() + "</h4>";
// Get and display the signal strength (RSSI)
content += "<h4>Signal Strength: " + String(WiFi.RSSI()) + " dBm</h4>";
}
// Close the block
content += "</div>";
// Start a new block with a specific background color
content += "<div style='background-color: #333; padding: 10px; margin-bottom: 10px; border-radius: 50px'>";
// Display which components are used
content += "<h4 style='color: white;'>Inverter protocol: ";
#ifdef BYD_CAN
content += "BYD Battery-Box Premium HVS over CAN Bus";
#endif
#ifdef BYD_MODBUS
content += "BYD 11kWh HVM battery over Modbus RTU";
#endif
#ifdef LUNA2000_MODBUS
content += "Luna2000 battery over Modbus RTU";
#endif
#ifdef PYLON_CAN
content += "Pylontech battery over CAN bus";
#endif
#ifdef SERIAL_LINK_TRANSMITTER
content += "Serial link to another LilyGo board";
#endif
#ifdef SMA_CAN
content += "BYD Battery-Box H 8.9kWh, 7 mod over CAN bus";
#endif
#ifdef SOFAR_CAN
content += "Sofar Energy Storage Inverter High Voltage BMS General Protocol (Extended Frame) over CAN bus";
#endif
#ifdef SOLAX_CAN
content += "SolaX Triple Power LFP over CAN bus";
#endif
content += "</h4>";
content += "<h4 style='color: white;'>Battery protocol: ";
#ifdef BMW_I3_BATTERY
content += "BMW i3";
#endif
#ifdef CHADEMO_BATTERY
content += "Chademo V2X mode";
#endif
#ifdef IMIEV_CZERO_ION_BATTERY
content += "I-Miev / C-Zero / Ion Triplet";
#endif
#ifdef KIA_HYUNDAI_64_BATTERY
content += "Kia/Hyundai 64kWh";
#endif
#ifdef NISSAN_LEAF_BATTERY
content += "Nissan LEAF";
#endif
#ifdef RENAULT_KANGOO_BATTERY
content += "Renault Kangoo";
#endif
#ifdef RENAULT_ZOE_BATTERY
content += "Renault Zoe";
#endif
#ifdef SERIAL_LINK_RECEIVER
content += "Serial link to another LilyGo board";
#endif
#ifdef TESLA_MODEL_3_BATTERY
content += "Tesla Model S/3/X/Y";
#endif
#ifdef TEST_FAKE_BATTERY
content += "Fake battery for testing purposes";
#endif
content += "</h4>";
#if defined CHEVYVOLT_CHARGER || defined NISSANLEAF_CHARGER
content += "<h4 style='color: white;'>Charger protocol: ";
#ifdef CHEVYVOLT_CHARGER
content += "Chevy Volt Gen1 Charger";
#endif
#ifdef NISSANLEAF_CHARGER
content += "Nissan LEAF 2013-2024 PDM charger";
#endif
content += "</h4>";
#endif
// Close the block
content += "</div>";
// Start a new block with a specific background color. Color changes depending on BMS status
switch (LEDcolor) {
case GREEN:
content += "<div style='background-color: #2D3F2F; padding: 10px; margin-bottom: 10px; border-radius: 50px'>";
break;
case YELLOW:
content += "<div style='background-color: #F5CC00; padding: 10px; margin-bottom: 10px; border-radius: 50px'>";
break;
case BLUE:
content += "<div style='background-color: #2B35AF; padding: 10px; margin-bottom: 10px; border-radius: 50px'>";
break;
case RED:
content += "<div style='background-color: #A70107; padding: 10px; margin-bottom: 10px; border-radius: 50px'>";
break;
case TEST_ALL_COLORS: //Blue in test mode
content += "<div style='background-color: #2B35AF; padding: 10px; margin-bottom: 10px; border-radius: 50px'>";
break;
default: //Some new color, make background green
content += "<div style='background-color: #2D3F2F; padding: 10px; margin-bottom: 10px; border-radius: 50px'>";
break;
}
// Display battery statistics within this block
float socFloat = static_cast<float>(SOC) / 100.0; // Convert to float and divide by 100
float sohFloat = static_cast<float>(StateOfHealth) / 100.0; // Convert to float and divide by 100
float voltageFloat = static_cast<float>(battery_voltage) / 10.0; // Convert to float and divide by 10
float currentFloat = 0;
if (battery_current > 32767) { //Handle negative values on this unsigned value
currentFloat = static_cast<float>(-(65535 - battery_current)) / 10.0; // Convert to float and divide by 10
} else {
currentFloat = static_cast<float>(battery_current) / 10.0; // Convert to float and divide by 10
}
float powerFloat = 0;
if (stat_batt_power > 32767) { //Handle negative values on this unsigned value
powerFloat = static_cast<float>(-(65535 - stat_batt_power));
} else {
powerFloat = static_cast<float>(stat_batt_power);
}
float tempMaxFloat = 0;
float tempMinFloat = 0;
if (temperature_max > 32767) { //Handle negative values on this unsigned value
tempMaxFloat = static_cast<float>(-(65536 - temperature_max)) / 10.0; // Convert to float and divide by 10
} else {
tempMaxFloat = static_cast<float>(temperature_max) / 10.0; // Convert to float and divide by 10
}
if (temperature_min > 32767) { //Handle negative values on this unsigned value
tempMinFloat = static_cast<float>(-(65536 - temperature_min)) / 10.0; // Convert to float and divide by 10
} else {
tempMinFloat = static_cast<float>(temperature_min) / 10.0; // Convert to float and divide by 10
}
content += "<h4 style='color: white;'>SOC: " + String(socFloat, 2) + "</h4>";
content += "<h4 style='color: white;'>SOH: " + String(sohFloat, 2) + "</h4>";
content += "<h4 style='color: white;'>Voltage: " + String(voltageFloat, 1) + " V</h4>";
content += "<h4 style='color: white;'>Current: " + String(currentFloat, 1) + " A</h4>";
content += formatPowerValue("Power", powerFloat, "", 1);
content += formatPowerValue("Total capacity", capacity_Wh, "h", 0);
content += formatPowerValue("Remaining capacity", remaining_capacity_Wh, "h", 1);
content += formatPowerValue("Max discharge power", max_target_discharge_power, "", 1);
content += formatPowerValue("Max charge power", max_target_charge_power, "", 1);
content += "<h4>Cell max: " + String(cell_max_voltage) + " mV</h4>";
content += "<h4>Cell min: " + String(cell_min_voltage) + " mV</h4>";
content += "<h4>Temperature max: " + String(tempMaxFloat, 1) + " C</h4>";
content += "<h4>Temperature min: " + String(tempMinFloat, 1) + " C</h4>";
if (bms_status == 3) {
content += "<h4>BMS Status: OK </h4>";
} else {
content += "<h4>BMS Status: FAULT </h4>";
}
if (bms_char_dis_status == 2) {
content += "<h4>Battery charging!</h4>";
} else if (bms_char_dis_status == 1) {
content += "<h4>Battery discharging!</h4>";
} else { //0 idle
content += "<h4>Battery idle</h4>";
}
content += "<h4>Automatic contactor closing allowed:</h4>";
content += "<h4>Battery: ";
if (batteryAllowsContactorClosing) {
content += "<span>&#10003;</span>";
} else {
content += "<span style='color: red;'>&#10005;</span>";
}
content += " Inverter: ";
if (inverterAllowsContactorClosing) {
content += "<span>&#10003;</span></h4>";
} else {
content += "<span style='color: red;'>&#10005;</span></h4>";
}
// Close the block
content += "</div>";
#if defined CHEVYVOLT_CHARGER || defined NISSANLEAF_CHARGER
// Start a new block with orange background color
content += "<div style='background-color: #FF6E00; padding: 10px; margin-bottom: 10px;border-radius: 50px'>";
content += "<h4>Charger HV Enabled: ";
if (charger_HV_enabled) {
content += "<span>&#10003;</span>";
} else {
content += "<span style='color: red;'>&#10005;</span>";
}
content += "</h4>";
content += "<h4>Charger Aux12v Enabled: ";
if (charger_aux12V_enabled) {
content += "<span>&#10003;</span>";
} else {
content += "<span style='color: red;'>&#10005;</span>";
}
content += "</h4>";
float chgPwrDC = static_cast<float>(charger_stat_HVcur * charger_stat_HVvol);
float chgPwrAC = static_cast<float>(charger_stat_ACcur * charger_stat_ACvol);
float chgEff = chgPwrDC / chgPwrAC * 100;
float ACcur = charger_stat_ACcur;
float ACvol = charger_stat_ACvol;
float HVvol = charger_stat_HVvol;
float HVcur = charger_stat_HVcur;
float LVvol = charger_stat_LVvol;
float LVcur = charger_stat_LVcur;
content += formatPowerValue("Charger Output Power", chgPwrDC, "", 1);
content += "<h4 style='color: white;'>Charger Efficiency: " + String(chgEff) + "%</h4>";
content += "<h4 style='color: white;'>Charger HVDC Output V: " + String(HVvol, 2) + "</h4>";
content += "<h4 style='color: white;'>Charger HVDC Output I: " + String(HVcur, 2) + "</h4>";
content += "<h4 style='color: white;'>Charger LVDC Output I: " + String(LVcur, 2) + "</h4>";
content += "<h4 style='color: white;'>Charger LVDC Output V: " + String(LVvol, 2) + "</h4>";
content += "<h4 style='color: white;'>Charger AC Input V: " + String(ACvol, 2) + "VAC</h4>";
content += "<h4 style='color: white;'>Charger AC Input I: " + String(ACvol, 2) + "VAC</h4>";
// Close the block
content += "</div>";
#endif
content += "<button onclick='goToUpdatePage()'>Perform OTA update</button>";
content += " ";
content += "<button onclick='goToSettingsPage()'>Change Battery Settings</button>";
content += " ";
content += "<button onclick='promptToReboot()'>Reboot Emulator</button>";
content += "<script>";
content += "function goToUpdatePage() { window.location.href = '/update'; }";
content += "function goToSettingsPage() { window.location.href = '/settings'; }";
content +=
"function promptToReboot() { if (window.confirm('Are you sure you want to reboot the emulator? NOTE: If "
"emulator is handling contactors, they will open during reboot!')) { "
"rebootServer(); } }";
content += "function rebootServer() {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/reboot', true);";
content += " xhr.send();";
content += "}";
content += "</script>";
//Script for refreshing page
content += "<script>";
content += "setTimeout(function(){ location.reload(true); }, 10000);";
content += "</script>";
return content;
}
return String();
}
String settings_processor(const String& var) {
if (var == "PLACEHOLDER") {
String content = "";
//Page format
content += "<style>";
content += "body { background-color: black; color: white; }";
content += "</style>";
// Start a new block with a specific background color
content += "<div style='background-color: #303E47; padding: 10px; margin-bottom: 10px;border-radius: 50px'>";
// Show current settings with edit buttons and input fields
content += "<h4 style='color: white;'>Battery capacity: <span id='BATTERY_WH_MAX'>" + String(BATTERY_WH_MAX) +
" Wh </span> <button onclick='editWh()'>Edit</button></h4>";
content += "<h4 style='color: white;'>SOC max percentage: " + String(MAXPERCENTAGE / 10.0, 1) +
" </span> <button onclick='editSocMax()'>Edit</button></h4>";
content += "<h4 style='color: white;'>SOC min percentage: " + String(MINPERCENTAGE / 10.0, 1) +
" </span> <button onclick='editSocMin()'>Edit</button></h4>";
content += "<h4 style='color: white;'>Max charge speed: " + String(MAXCHARGEAMP / 10.0, 1) +
" A </span> <button onclick='editMaxChargeA()'>Edit</button></h4>";
content += "<h4 style='color: white;'>Max discharge speed: " + String(MAXDISCHARGEAMP / 10.0, 1) +
" A </span> <button onclick='editMaxDischargeA()'>Edit</button></h4>";
// Close the block
content += "</div>";
#ifdef TEST_FAKE_BATTERY
// Start a new block with blue background color
content += "<div style='background-color: #2E37AD; padding: 10px; margin-bottom: 10px;border-radius: 50px'>";
float voltageFloat = static_cast<float>(battery_voltage) / 10.0; // Convert to float and divide by 10
content += "<h4 style='color: white;'>Fake battery voltage: " + String(voltageFloat, 1) +
" V </span> <button onclick='editFakeBatteryVoltage()'>Edit</button></h4>";
// Close the block
content += "</div>";
#endif
#if defined CHEVYVOLT_CHARGER || defined NISSANLEAF_CHARGER
// Start a new block with orange background color
content += "<div style='background-color: #FF6E00; padding: 10px; margin-bottom: 10px;border-radius: 50px'>";
content += "<h4 style='color: white;'>Charger HVDC Enabled: ";
if (charger_HV_enabled) {
content += "<span>&#10003;</span>";
} else {
content += "<span style='color: red;'>&#10005;</span>";
}
content += " <button onclick='editChargerHVDCEnabled()'>Edit</button></h4>";
content += "<h4 style='color: white;'>Charger Aux12VDC Enabled: ";
if (charger_aux12V_enabled) {
content += "<span>&#10003;</span>";
} else {
content += "<span style='color: red;'>&#10005;</span>";
}
content += " <button onclick='editChargerAux12vEnabled()'>Edit</button></h4>";
content += "<h4 style='color: white;'>Charger Voltage Setpoint: " + String(charger_setpoint_HV_VDC, 1) +
" V </span> <button onclick='editChargerSetpointVDC()'>Edit</button></h4>";
content += "<h4 style='color: white;'>Charger Current Setpoint: " + String(charger_setpoint_HV_IDC, 1) +
" A </span> <button onclick='editChargerSetpointIDC()'>Edit</button></h4>";
// Close the block
content += "</div>";
#endif
content += "<script>";
content += "function editWh() {";
content += "var value = prompt('How much energy the battery can store. Enter new Wh value (1-65000):');";
content += "if (value !== null) {";
content += " if (value >= 1 && value <= 65000) {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/updateBatterySize?value=' + value, true);";
content += " xhr.send();";
content += " } else {";
content += " alert('Invalid value. Please enter a value between 1 and 65000.');";
content += " }";
content += "}";
content += "}";
content += "function editSocMax() {";
content +=
"var value = prompt('Inverter will see fully charged (100pct)SOC when this value is reached. Enter new maximum "
"SOC value that battery will charge to (50.0-100.0):');";
content += "if (value !== null) {";
content += " if (value >= 50 && value <= 100) {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/updateSocMax?value=' + value, true);";
content += " xhr.send();";
content += " } else {";
content += " alert('Invalid value. Please enter a value between 50.0 and 100.0');";
content += " }";
content += "}";
content += "}";
content += "function editSocMin() {";
content +=
"var value = prompt('Inverter will see completely discharged (0pct)SOC when this value is reached. Enter new "
"minimum SOC value that battery will discharge to (0-50.0):');";
content += "if (value !== null) {";
content += " if (value >= 0 && value <= 50) {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/updateSocMin?value=' + value, true);";
content += " xhr.send();";
content += " } else {";
content += " alert('Invalid value. Please enter a value between 0 and 50.0');";
content += " }";
content += "}";
content += "}";
content += "function editMaxChargeA() {";
content +=
"var value = prompt('BYD CAN specific setting, some inverters needs to be artificially limited. Enter new "
"maximum charge current in A (0-1000.0):');";
content += "if (value !== null) {";
content += " if (value >= 0 && value <= 1000) {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/updateMaxChargeA?value=' + value, true);";
content += " xhr.send();";
content += " } else {";
content += " alert('Invalid value. Please enter a value between 0 and 1000.0');";
content += " }";
content += "}";
content += "}";
content += "function editMaxDischargeA() {";
content +=
"var value = prompt('BYD CAN specific setting, some inverters needs to be artificially limited. Enter new "
"maximum discharge current in A (0-1000.0):');";
content += "if (value !== null) {";
content += " if (value >= 0 && value <= 1000) {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/updateMaxDischargeA?value=' + value, true);";
content += " xhr.send();";
content += " } else {";
content += " alert('Invalid value. Please enter a value between 0 and 1000.0');";
content += " }";
content += "}";
content += "}";
#ifdef TEST_FAKE_BATTERY
content += "function editFakeBatteryVoltage() {";
content += " var value = prompt('Enter new fake battery voltage');";
content += "if (value !== null) {";
content += " if (value >= 0 && value <= 5000) {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/updateFakeBatteryVoltage?value=' + value, true);";
content += " xhr.send();";
content += " } else {";
content += " alert('Invalid value. Please enter a value between 0 and 1000');";
content += " }";
content += "}";
content += "}";
#endif
#if defined CHEVYVOLT_CHARGER || defined NISSANLEAF_CHARGER
content += "function editChargerHVDCEnabled() {";
content += " var value = prompt('Enable or disable HV DC output. Enter 1 for enabled, 0 for disabled');";
content += " if (value !== null) {";
content += " if (value == 0 || value == 1) {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/updateChargerHvEnabled?value=' + value, true);";
content += " xhr.send();";
content += " }";
content += " } else {";
content += " alert('Invalid value. Please enter 1 or 0');";
content += " }";
content += "}";
content += "function editChargerAux12vEnabled() {";
content +=
"var value = prompt('Enable or disable low voltage 12v auxiliary DC output. Enter 1 for enabled, 0 for "
"disabled');";
content += "if (value !== null) {";
content += " if (value == 0 || value == 1) {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/updateChargerAux12vEnabled?value=' + value, true);";
content += " xhr.send();";
content += " } else {";
content += " alert('Invalid value. Please enter 1 or 0');";
content += " }";
content += "}";
content += "}";
content += "function editChargerSetpointVDC() {";
content +=
"var value = prompt('Set charging voltage. Input will be validated against inverter and/or charger "
"configuration parameters, but use sensible values like 200 to 420.');";
content += "if (value !== null) {";
content += " if (value >= 0 && value <= 1000) {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/updateChargeSetpointV?value=' + value, true);";
content += " xhr.send();";
content += " } else {";
content += " alert('Invalid value. Please enter a value between 0 and 1000');";
content += " }";
content += "}";
content += "}";
content += "function editChargerSetpointIDC() {";
content +=
"var value = prompt('Set charging amperage. Input will be validated against inverter and/or charger "
"configuration parameters, but use sensible values like 6 to 48.');";
content += "if (value !== null) {";
content += " if (value >= 0 && value <= 1000) {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/updateChargeSetpointA?value=' + value, true);";
content += " xhr.send();";
content += " } else {";
content += " alert('Invalid value. Please enter a value between 0 and 100');";
content += " }";
content += "}";
content += "}";
content += "function editChargerSetpointEndI() {";
content +=
"var value = prompt('Set amperage that terminates charge as being sufficiently complete. Input will be "
"validated against inverter and/or charger configuration parameters, but use sensible values like 1-5.');";
content += "if (value !== null) {";
content += " if (value >= 0 && value <= 1000) {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/updateChargeEndA?value=' + value, true);";
content += " xhr.send();";
content += " } else {";
content += " alert('Invalid value. Please enter a value between 0 and 100');";
content += " }";
content += "}";
content += "}";
#endif
content += "</script>";
content += "<button onclick='goToMainPage()'>Back to main page</button>";
content += "<script>";
content += "function goToMainPage() { window.location.href = '/'; }";
content += "</script>";
return content;
}
return String();
}
void onOTAStart() {
// Log when OTA has started
Serial.println("OTA update started!");
ESP32Can.CANStop();
bms_status = UPDATING; //Inform inverter that we are updating
LEDcolor = BLUE;
}
void onOTAProgress(size_t current, size_t final) {
bms_status = UPDATING; //Inform inverter that we are updating
LEDcolor = BLUE;
// Log every 1 second
if (millis() - ota_progress_millis > 1000) {
ota_progress_millis = millis();
Serial.printf("OTA Progress Current: %u bytes, Final: %u bytes\n", current, final);
}
}
void onOTAEnd(bool success) {
// Log when OTA has finished
if (success) {
Serial.println("OTA update finished successfully!");
} else {
Serial.println("There was an error during OTA update!");
}
bms_status = UPDATING; //Inform inverter that we are updating
LEDcolor = BLUE;
}
template <typename T> // This function makes power values appear as W when under 1000, and kW when over
String formatPowerValue(String label, T value, String unit, int precision) {
String result = "<h4 style='color: white;'>" + label + ": ";
if (std::is_same<T, float>::value || std::is_same<T, uint16_t>::value) {
float convertedValue = static_cast<float>(value);
if (convertedValue >= 1000.0 || convertedValue <= -1000.0) {
result += String(convertedValue / 1000.0, precision) + " kW";
} else {
result += String(convertedValue, 0) + " W";
}
}
result += unit + "</h4>";
return result;
}
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