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Battery-Emulator/Software/src/devboard/webserver/webserver.cpp

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#include "webserver.h"
#include <Preferences.h>
#include "../../datalayer/datalayer.h"
#include "../../lib/bblanchon-ArduinoJson/ArduinoJson.h"
#include "../utils/events.h"
#include "../utils/led_handler.h"
#include "../utils/timer.h"
// Create AsyncWebServer object on port 80
AsyncWebServer server(80);
// Measure OTA progress
unsigned long ota_progress_millis = 0;
#include "advanced_battery_html.h"
#include "cellmonitor_html.h"
#include "events_html.h"
#include "index_html.cpp"
#include "settings_html.h"
MyTimer ota_timeout_timer = MyTimer(15000);
bool ota_active = false;
const char get_firmware_info_html[] = R"rawliteral(%X%)rawliteral";
void init_webserver() {
String content = index_html;
server.on("/logout", HTTP_GET, [](AsyncWebServerRequest* request) { request->send(401); });
// Route for firmware info from ota update page
server.on("/GetFirmwareInfo", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
request->send_P(200, "application/json", get_firmware_info_html, get_firmware_info_processor);
});
// Route for root / web page
server.on("/", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
request->send_P(200, "text/html", index_html, processor);
});
// Route for going to settings web page
server.on("/settings", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
request->send_P(200, "text/html", index_html, settings_processor);
});
// Route for going to advanced battery info web page
server.on("/advanced", HTTP_GET, [](AsyncWebServerRequest* request) {
request->send_P(200, "text/html", index_html, advanced_battery_processor);
});
// Route for going to cellmonitor web page
server.on("/cellmonitor", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
request->send_P(200, "text/html", index_html, cellmonitor_processor);
});
// Route for going to event log web page
server.on("/events", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
request->send_P(200, "text/html", index_html, events_processor);
});
// Route for clearing all events
server.on("/clearevents", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
reset_all_events();
// Send back a response that includes an instant redirect to /events
String response = "<html><body>";
response += "<script>window.location.href = '/events';</script>"; // Instant redirect
response += "</body></html>";
request->send(200, "text/html", response);
});
// Route for editing SSID
server.on("/updateSSID", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
if (value.length() <= 63) { // Check if SSID is within the allowable length
ssid = value.c_str();
storeSettings();
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "SSID must be 63 characters or less");
}
} else {
request->send(400, "text/plain", "Bad Request");
}
});
// Route for editing Password
server.on("/updatePassword", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
if (value.length() > 8) { // Check if password is within the allowable length
password = value.c_str();
storeSettings();
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "Password must be atleast 8 characters");
}
} else {
request->send(400, "text/plain", "Bad Request");
}
});
// Route for editing Wh
server.on("/updateBatterySize", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
datalayer.battery.info.total_capacity_Wh = value.toInt();
storeSettings();
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "Bad Request");
}
});
// Route for editing USE_SCALED_SOC
server.on("/updateUseScaledSOC", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
datalayer.battery.settings.soc_scaling_active = value.toInt();
storeSettings();
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 (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
datalayer.battery.settings.max_percentage = static_cast<uint16_t>(value.toFloat() * 100);
storeSettings();
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "Bad Request");
}
});
// Route for pause/resume Battery emulator
server.on("/pause", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
if (request->hasParam("p")) {
String valueStr = request->getParam("p")->value();
setBatteryPause(valueStr == "true" || valueStr == "1", false);
request->send(200, "text/plain", "Updated successfully");
} else {
request->send(400, "text/plain", "Bad Request");
}
});
// Route for equipment stop/resume
server.on("/equipmentStop", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
if (request->hasParam("stop")) {
String valueStr = request->getParam("stop")->value();
if (valueStr == "true" || valueStr == "1") {
setBatteryPause(true, false, true);
} else {
setBatteryPause(false, false, false);
}
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 (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
datalayer.battery.settings.min_percentage = static_cast<uint16_t>(value.toFloat() * 100);
storeSettings();
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 (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
datalayer.battery.info.max_charge_amp_dA = static_cast<uint16_t>(value.toFloat() * 10);
storeSettings();
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 (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
if (request->hasParam("value")) {
String value = request->getParam("value")->value();
datalayer.battery.info.max_discharge_amp_dA = static_cast<uint16_t>(value.toFloat() * 10);
storeSettings();
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 (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
if (!request->hasParam("value")) {
request->send(400, "text/plain", "Bad Request");
}
String value = request->getParam("value")->value();
float val = value.toFloat();
datalayer.battery.status.voltage_dV = val * 10;
request->send(200, "text/plain", "Updated successfully");
});
#endif // TEST_FAKE_BATTERY
#if defined CHEVYVOLT_CHARGER || defined NISSANLEAF_CHARGER
// Route for editing ChargerTargetV
server.on("/updateChargeSetpointV", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
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 (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
if (!request->hasParam("value")) {
request->send(400, "text/plain", "Bad Request");
}
String value = request->getParam("value")->value();
float val = value.toFloat();
if (!(val <= datalayer.battery.info.max_charge_amp_dA && 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 (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
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 (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
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 (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
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 // defined CHEVYVOLT_CHARGER || defined NISSANLEAF_CHARGER
// Send a GET request to <ESP_IP>/update
server.on("/debug", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
request->send(200, "text/plain", "Debug: all OK.");
});
// Route to handle reboot command
server.on("/reboot", HTTP_GET, [](AsyncWebServerRequest* request) {
if (WEBSERVER_AUTH_REQUIRED && !request->authenticate(http_username, http_password))
return request->requestAuthentication();
request->send(200, "text/plain", "Rebooting server...");
//Equipment STOP without persisting the equipment state before restart
// Max Charge/Discharge = 0; CAN = stop; contactors = open
setBatteryPause(true, true, true, false);
delay(1000);
ESP.restart();
});
// Initialize ElegantOTA
init_ElegantOTA();
// Start server
server.begin();
}
String getConnectResultString(wl_status_t status) {
switch (status) {
case WL_CONNECTED:
return "Connected";
case WL_NO_SHIELD:
return "No shield";
case WL_IDLE_STATUS:
return "Idle status";
case WL_NO_SSID_AVAIL:
return "No SSID available";
case WL_SCAN_COMPLETED:
return "Scan completed";
case WL_CONNECT_FAILED:
return "Connect failed";
case WL_CONNECTION_LOST:
return "Connection lost";
case WL_DISCONNECTED:
return "Disconnected";
default:
return "Unknown";
}
}
void ota_monitor() {
if (ota_active && ota_timeout_timer.elapsed()) {
// OTA timeout, try to restore can and clear the update event
set_event(EVENT_OTA_UPDATE_TIMEOUT, 0);
onOTAEnd(false);
}
}
// Function to initialize ElegantOTA
void init_ElegantOTA() {
ElegantOTA.begin(&server); // Start ElegantOTA
// ElegantOTA callbacks
ElegantOTA.onStart(onOTAStart);
ElegantOTA.onProgress(onOTAProgress);
ElegantOTA.onEnd(onOTAEnd);
}
String get_firmware_info_processor(const String& var) {
if (var == "X") {
String content = "";
static JsonDocument doc;
#ifdef HW_LILYGO
doc["hardware"] = "LilyGo T-CAN485";
#endif // HW_LILYGO
#ifdef HW_STARK
doc["hardware"] = "Stark CMR Module";
#endif // HW_STARK
doc["firmware"] = String(version_number);
serializeJson(doc, content);
return content;
}
return String();
}
String processor(const String& var) {
if (var == "X") {
String content = "";
content += "<h2>" + String(ssidAP) + "</h2>"; // ssidAP name is used as header name
//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: " + String(version_number) + "</h4>";
// Show hardware used:
#ifdef HW_LILYGO
content += "<h4>Hardware: LilyGo T-CAN485</h4>";
#endif // HW_LILYGO
#ifdef HW_STARK
content += "<h4>Hardware: Stark CMR Module</h4>";
#endif // HW_STARK
content += "<h4>Uptime: " + uptime_formatter::getUptime() + "</h4>";
#ifdef FUNCTION_TIME_MEASUREMENT
// Load information
content += "<h4>Core task max load: " + String(datalayer.system.status.core_task_max_us) + " us</h4>";
content += "<h4>Core task max load last 10 s: " + String(datalayer.system.status.core_task_10s_max_us) + " us</h4>";
content +=
"<h4>MQTT function (MQTT task) max load last 10 s: " + String(datalayer.system.status.mqtt_task_10s_max_us) +
" us</h4>";
content +=
"<h4>WIFI function (MQTT task) max load last 10 s: " + String(datalayer.system.status.wifi_task_10s_max_us) +
" us</h4>";
content +=
"<h4>loop() task max load last 10 s: " + String(datalayer.system.status.loop_task_10s_max_us) + " us</h4>";
content += "<h4>Max load @ worst case execution of core task:</h4>";
content += "<h4>10ms function timing: " + String(datalayer.system.status.time_snap_10ms_us) + " us</h4>";
content += "<h4>Values function timing: " + String(datalayer.system.status.time_snap_values_us) + " us</h4>";
content += "<h4>CAN/serial RX function timing: " + String(datalayer.system.status.time_snap_comm_us) + " us</h4>";
content += "<h4>CAN TX function timing: " + String(datalayer.system.status.time_snap_cantx_us) + " us</h4>";
content += "<h4>OTA function timing: " + String(datalayer.system.status.time_snap_ota_us) + " us</h4>";
#endif // FUNCTION_TIME_MEASUREMENT
wl_status_t status = WiFi.status();
// Display ssid of network connected to and, if connected to the WiFi, its own IP
content += "<h4>SSID: " + String(ssid.c_str()) + "</h4>";
if (status == WL_CONNECTED) {
content += "<h4>IP: " + WiFi.localIP().toString() + "</h4>";
// Get and display the signal strength (RSSI) and channel
content += "<h4>Signal strength: " + String(WiFi.RSSI()) + " dBm, at channel " + String(WiFi.channel()) + "</h4>";
} else {
content += "<h4>Wifi state: " + getConnectResultString(status) + "</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 // BYD_CAN
#ifdef BYD_MODBUS
content += "BYD 11kWh HVM battery over Modbus RTU";
#endif // BYD_MODBUS
#ifdef FOXESS_CAN
content += "FoxESS compatible HV2600/ECS4100 battery";
#endif // FOXESS_CAN
#ifdef PYLON_CAN
content += "Pylontech battery over CAN bus";
#endif // PYLON_CAN
#ifdef SERIAL_LINK_TRANSMITTER
content += "Serial link to another LilyGo board";
#endif // SERIAL_LINK_TRANSMITTER
#ifdef SMA_CAN
content += "BYD Battery-Box H 8.9kWh, 7 mod over CAN bus";
#endif // SMA_CAN
#ifdef SOFAR_CAN
content += "Sofar Energy Storage Inverter High Voltage BMS General Protocol (Extended Frame) over CAN bus";
#endif // SOFAR_CAN
#ifdef SOLAX_CAN
content += "SolaX Triple Power LFP over CAN bus";
#endif // SOLAX_CAN
content += "</h4>";
content += "<h4 style='color: white;'>Battery protocol: ";
#ifdef BMW_I3_BATTERY
content += "BMW i3";
#endif // BMW_I3_BATTERY
#ifdef BYD_ATTO_3_BATTERY
content += "BYD Atto 3";
#endif // BYD_ATTO_3_BATTERY
#ifdef CELLPOWER_BMS
content += "Cellpower BMS";
#endif // CELLPOWER_BMS
#ifdef CHADEMO_BATTERY
content += "Chademo V2X mode";
#endif // CHADEMO_BATTERY
#ifdef IMIEV_CZERO_ION_BATTERY
content += "I-Miev / C-Zero / Ion Triplet";
#endif // IMIEV_CZERO_ION_BATTERY
#ifdef JAGUAR_IPACE_BATTERY
content += "Jaguar I-PACE";
#endif // JAGUAR_IPACE_BATTERY
#ifdef KIA_HYUNDAI_64_BATTERY
content += "Kia/Hyundai 64kWh";
#endif // KIA_HYUNDAI_64_BATTERY
#ifdef KIA_E_GMP_BATTERY
content += "Kia/Hyundai EGMP platform";
#endif // KIA_E_GMP_BATTERY
#ifdef KIA_HYUNDAI_HYBRID_BATTERY
content += "Kia/Hyundai Hybrid";
#endif // KIA_HYUNDAI_HYBRID_BATTERY
#ifdef MG_5_BATTERY
content += "MG 5";
#endif // MG_5_BATTERY
#ifdef NISSAN_LEAF_BATTERY
content += "Nissan LEAF";
#endif // NISSAN_LEAF_BATTERY
#ifdef PYLON_BATTERY
content += "Pylon compatible battery";
#endif // PYLON_BATTERY
#ifdef RJXZS_BMS
content += "RJXZS BMS, DIY battery";
#endif // RJXZS_BMS
#ifdef RENAULT_KANGOO_BATTERY
content += "Renault Kangoo";
#endif // RENAULT_KANGOO_BATTERY
#ifdef RENAULT_TWIZY_BATTERY
content += "Renault Twizy";
#endif // RENAULT_TWIZY_BATTERY
#ifdef RENAULT_ZOE_GEN1_BATTERY
content += "Renault Zoe Gen1 22/40";
#endif // RENAULT_ZOE_GEN1_BATTERY
#ifdef RENAULT_ZOE_GEN2_BATTERY
content += "Renault Zoe Gen2 50";
#endif // RENAULT_ZOE_GEN2_BATTERY
#ifdef SANTA_FE_PHEV_BATTERY
content += "Santa Fe PHEV";
#endif // SANTA_FE_PHEV_BATTERY
#ifdef SERIAL_LINK_RECEIVER
content += "Serial link to another LilyGo board";
#endif // SERIAL_LINK_RECEIVER
#ifdef TESLA_MODEL_SX_BATTERY
content += "Tesla Model S/X";
#endif // TESLA_MODEL_SX_BATTERY
#ifdef TESLA_MODEL_3Y_BATTERY
content += "Tesla Model 3/Y";
#endif // TESLA_MODEL_3Y_BATTERY
#ifdef VOLVO_SPA_BATTERY
content += "Volvo / Polestar 78kWh battery";
#endif // VOLVO_SPA_BATTERY
#ifdef TEST_FAKE_BATTERY
content += "Fake battery for testing purposes";
#endif // TEST_FAKE_BATTERY
#ifdef DOUBLE_BATTERY
content += " (Double battery)";
if (datalayer.battery.info.chemistry == battery_chemistry_enum::LFP) {
content += " (LFP)";
}
#endif // DOUBLE_BATTERY
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 // CHEVYVOLT_CHARGER
#ifdef NISSANLEAF_CHARGER
content += "Nissan LEAF 2013-2024 PDM charger";
#endif // NISSANLEAF_CHARGER
content += "</h4>";
#endif // defined CHEVYVOLT_CHARGER || defined NISSANLEAF_CHARGER
// Close the block
content += "</div>";
#ifdef DOUBLE_BATTERY
// Start a new block with a specific background color. Color changes depending on BMS status
content += "<div style='display: flex; width: 100%;'>";
content += "<div style='flex: 1; background-color: ";
#else
// Start a new block with a specific background color. Color changes depending on system status
content += "<div style='background-color: ";
#endif // DOUBLE_BATTERY
switch (led_get_color()) {
case led_color::GREEN:
content += "#2D3F2F;";
break;
case led_color::YELLOW:
content += "#F5CC00;";
break;
case led_color::BLUE:
case led_color::RGB:
content += "#2B35AF;"; // Blue in test mode
break;
case led_color::RED:
content += "#A70107;";
break;
default: // Some new color, make background green
content += "#2D3F2F;";
break;
}
// Add the common style properties
content += "padding: 10px; margin-bottom: 10px; border-radius: 50px;'>";
// Display battery statistics within this block
float socRealFloat =
static_cast<float>(datalayer.battery.status.real_soc) / 100.0; // Convert to float and divide by 100
float socScaledFloat =
static_cast<float>(datalayer.battery.status.reported_soc) / 100.0; // Convert to float and divide by 100
float sohFloat =
static_cast<float>(datalayer.battery.status.soh_pptt) / 100.0; // Convert to float and divide by 100
float voltageFloat =
static_cast<float>(datalayer.battery.status.voltage_dV) / 10.0; // Convert to float and divide by 10
float currentFloat =
static_cast<float>(datalayer.battery.status.current_dA) / 10.0; // Convert to float and divide by 10
float powerFloat = static_cast<float>(datalayer.battery.status.active_power_W); // Convert to float
float tempMaxFloat = static_cast<float>(datalayer.battery.status.temperature_max_dC) / 10.0; // Convert to float
float tempMinFloat = static_cast<float>(datalayer.battery.status.temperature_min_dC) / 10.0; // Convert to float
uint16_t cell_delta_mv =
datalayer.battery.status.cell_max_voltage_mV - datalayer.battery.status.cell_min_voltage_mV;
content += "<h4 style='color: white;'>Real SOC: " + String(socRealFloat, 2) + "</h4>";
content += "<h4 style='color: white;'>Scaled SOC: " + String(socScaledFloat, 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", datalayer.battery.info.total_capacity_Wh, "h", 0);
content += formatPowerValue("Real Remaining capacity", datalayer.battery.status.remaining_capacity_Wh, "h", 1);
content +=
formatPowerValue("Scaled Remaining capacity", datalayer.battery.status.reported_remaining_capacity_Wh, "h", 1);
if (emulator_pause_status == NORMAL) {
content += formatPowerValue("Max discharge power", datalayer.battery.status.max_discharge_power_W, "", 1);
content += formatPowerValue("Max charge power", datalayer.battery.status.max_charge_power_W, "", 1);
} else {
content += formatPowerValue("Max discharge power", datalayer.battery.status.max_discharge_power_W, "", 1, "red");
content += formatPowerValue("Max charge power", datalayer.battery.status.max_charge_power_W, "", 1, "red");
}
content += "<h4>Cell max: " + String(datalayer.battery.status.cell_max_voltage_mV) + " mV</h4>";
content += "<h4>Cell min: " + String(datalayer.battery.status.cell_min_voltage_mV) + " mV</h4>";
if (cell_delta_mv > datalayer.battery.info.max_cell_voltage_deviation_mV) {
content += "<h4 style='color: red;'>Cell delta: " + String(cell_delta_mv) + " mV</h4>";
} else {
content += "<h4>Cell delta: " + String(cell_delta_mv) + " mV</h4>";
}
content += "<h4>Temperature max: " + String(tempMaxFloat, 1) + " C</h4>";
content += "<h4>Temperature min: " + String(tempMinFloat, 1) + " C</h4>";
if (datalayer.battery.status.bms_status == ACTIVE) {
content += "<h4>System status: OK </h4>";
} else if (datalayer.battery.status.bms_status == UPDATING) {
content += "<h4>System status: UPDATING </h4>";
} else {
content += "<h4>System status: FAULT </h4>";
}
if (datalayer.battery.status.current_dA == 0) {
content += "<h4>Battery idle</h4>";
} else if (datalayer.battery.status.current_dA < 0) {
content += "<h4>Battery discharging!</h4>";
} else { // > 0
content += "<h4>Battery charging!</h4>";
}
content += "<h4>Automatic contactor closing allowed:</h4>";
content += "<h4>Battery: ";
if (datalayer.system.status.battery_allows_contactor_closing == true) {
content += "<span>&#10003;</span>";
} else {
content += "<span style='color: red;'>&#10005;</span>";
}
content += " Inverter: ";
if (datalayer.system.status.inverter_allows_contactor_closing == true) {
content += "<span>&#10003;</span></h4>";
} else {
content += "<span style='color: red;'>&#10005;</span></h4>";
}
if (emulator_pause_status == NORMAL)
content += "<h4>Power status: " + String(get_emulator_pause_status().c_str()) + " </h4>";
else
content += "<h4 style='color: red;'>Power status: " + String(get_emulator_pause_status().c_str()) + " </h4>";
#ifdef CONTACTOR_CONTROL
content += "<h4>Contactors controlled by Battery-Emulator: ";
if (datalayer.system.status.contactor_control_closed) {
content += "<span style='color: green;'>ON</span>";
} else {
content += "<span style='color: red;'>OFF</span>";
}
content += "</h4>";
content += "<h4>Pre Charge: ";
if (digitalRead(PRECHARGE_PIN) == HIGH) {
content += "<span style='color: green;'>&#10003;</span>";
} else {
content += "<span style='color: red;'>&#10005;</span>";
}
content += " Cont. Neg.: ";
if (digitalRead(NEGATIVE_CONTACTOR_PIN) == HIGH) {
content += "<span style='color: green;'>&#10003;</span>";
} else {
content += "<span style='color: red;'>&#10005;</span>";
}
content += " Cont. Pos.: ";
if (digitalRead(POSITIVE_CONTACTOR_PIN) == HIGH) {
content += "<span style='color: green;'>&#10003;</span>";
} else {
content += "<span style='color: red;'>&#10005;</span>";
}
content += "</h4>";
#endif
// Close the block
content += "</div>";
#ifdef DOUBLE_BATTERY
content += "<div style='flex: 1; background-color: ";
switch (datalayer.battery.status.bms_status) {
case ACTIVE:
content += "#2D3F2F;";
break;
case FAULT:
content += "#A70107;";
break;
default:
content += "#2D3F2F;";
break;
}
// Add the common style properties
content += "padding: 10px; margin-bottom: 10px; border-radius: 50px;'>";
// Display battery statistics within this block
socRealFloat =
static_cast<float>(datalayer.battery2.status.real_soc) / 100.0; // Convert to float and divide by 100
//socScaledFloat; // Same value used for bat2
sohFloat = static_cast<float>(datalayer.battery2.status.soh_pptt) / 100.0; // Convert to float and divide by 100
voltageFloat =
static_cast<float>(datalayer.battery2.status.voltage_dV) / 10.0; // Convert to float and divide by 10
currentFloat =
static_cast<float>(datalayer.battery2.status.current_dA) / 10.0; // Convert to float and divide by 10
powerFloat = static_cast<float>(datalayer.battery2.status.active_power_W); // Convert to float
tempMaxFloat = static_cast<float>(datalayer.battery2.status.temperature_max_dC) / 10.0; // Convert to float
tempMinFloat = static_cast<float>(datalayer.battery2.status.temperature_min_dC) / 10.0; // Convert to float
cell_delta_mv = datalayer.battery2.status.cell_max_voltage_mV - datalayer.battery2.status.cell_min_voltage_mV;
content += "<h4 style='color: white;'>Real SOC: " + String(socRealFloat, 2) + "</h4>";
content += "<h4 style='color: white;'>Scaled SOC: " + String(socScaledFloat, 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", datalayer.battery2.info.total_capacity_Wh, "h", 0);
content += formatPowerValue("Remaining capacity", datalayer.battery2.status.remaining_capacity_Wh, "h", 1);
content += formatPowerValue("Max discharge power", datalayer.battery2.status.max_discharge_power_W, "", 1);
content += formatPowerValue("Max charge power", datalayer.battery2.status.max_charge_power_W, "", 1);
content += "<h4>Cell max: " + String(datalayer.battery2.status.cell_max_voltage_mV) + " mV</h4>";
content += "<h4>Cell min: " + String(datalayer.battery2.status.cell_min_voltage_mV) + " mV</h4>";
if (cell_delta_mv > datalayer.battery2.info.max_cell_voltage_deviation_mV) {
content += "<h4 style='color: red;'>Cell delta: " + String(cell_delta_mv) + " mV</h4>";
} else {
content += "<h4>Cell delta: " + String(cell_delta_mv) + " mV</h4>";
}
content += "<h4>Temperature max: " + String(tempMaxFloat, 1) + " C</h4>";
content += "<h4>Temperature min: " + String(tempMinFloat, 1) + " C</h4>";
if (datalayer.battery.status.bms_status == ACTIVE) {
content += "<h4>System status: OK </h4>";
} else if (datalayer.battery.status.bms_status == UPDATING) {
content += "<h4>System status: UPDATING </h4>";
} else {
content += "<h4>System status: FAULT </h4>";
}
if (datalayer.battery2.status.current_dA == 0) {
content += "<h4>Battery idle</h4>";
} else if (datalayer.battery2.status.current_dA < 0) {
content += "<h4>Battery discharging!</h4>";
} else { // > 0
content += "<h4>Battery charging!</h4>";
}
content += "<h4>Automatic contactor closing allowed:</h4>";
content += "<h4>Battery: ";
if (datalayer.system.status.battery2_allows_contactor_closing == true) {
content += "<span>&#10003;</span>";
} else {
content += "<span style='color: red;'>&#10005;</span>";
}
content += " Inverter: ";
if (datalayer.system.status.inverter_allows_contactor_closing == true) {
content += "<span>&#10003;</span></h4>";
} else {
content += "<span style='color: red;'>&#10005;</span></h4>";
}
#ifdef CONTACTOR_CONTROL
content += "<h4>Contactors controlled by Battery-Emulator: ";
if (datalayer.system.status.contactor_control_closed) {
content += "<span style='color: green;'>ON</span>";
} else {
content += "<span style='color: red;'>OFF</span>";
}
content += "</h4>";
#endif
if (emulator_pause_status == NORMAL)
content += "<h4>Pause status: " + String(get_emulator_pause_status().c_str()) + " </h4>";
else
content += "<h4 style='color: red;'>Pause status: " + String(get_emulator_pause_status().c_str()) + " </h4>";
content += "</div>";
content += "</div>";
#endif // DOUBLE_BATTERY
#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>";
#ifdef CHEVYVOLT_CHARGER
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) + " V</h4>";
content += "<h4 style='color: white;'>Charger HVDC Output I: " + String(HVcur, 2) + " A</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(ACcur, 2) + " A</h4>";
#endif // CHEVYVOLT_CHARGER
#ifdef NISSANLEAF_CHARGER
float chgPwrDC = static_cast<float>(charger_stat_HVcur * 100);
charger_stat_HVcur = chgPwrDC / (datalayer.battery.status.voltage_dV / 10); // P/U=I
charger_stat_HVvol = static_cast<float>(datalayer.battery.status.voltage_dV / 10);
float ACvol = charger_stat_ACvol;
float HVvol = charger_stat_HVvol;
float HVcur = charger_stat_HVcur;
content += formatPowerValue("Charger Output Power", chgPwrDC, "", 1);
content += "<h4 style='color: white;'>Charger HVDC Output V: " + String(HVvol, 2) + " V</h4>";
content += "<h4 style='color: white;'>Charger HVDC Output I: " + String(HVcur, 2) + " A</h4>";
content += "<h4 style='color: white;'>Charger AC Input V: " + String(ACvol, 2) + " VAC</h4>";
#endif // NISSANLEAF_CHARGER
// Close the block
content += "</div>";
#endif // defined CHEVYVOLT_CHARGER || defined NISSANLEAF_CHARGER
if (emulator_pause_request_ON)
content += "<button onclick='PauseBattery(false)'>Resume charge/discharge</button> ";
else
content +=
"<button onclick=\"if(confirm('Are you sure you want to pause charging and discharging? This will set the "
"maximum charge and discharge values to zero, preventing any further power flow.')) { PauseBattery(true); "
"}\">Pause charge/discharge</button> ";
content += "<button onclick='OTA()'>Perform OTA update</button> ";
content += "<button onclick='Settings()'>Change Settings</button> ";
content += "<button onclick='Advanced()'>More Battery Info</button> ";
content += "<button onclick='Cellmon()'>Cellmonitor</button> ";
content += "<button onclick='Events()'>Events</button> ";
content += "<button onclick='askReboot()'>Reboot Emulator</button>";
if (WEBSERVER_AUTH_REQUIRED)
content += "<button onclick='logout()'>Logout</button>";
if (!datalayer.system.settings.equipment_stop_active)
content +=
"<br/><br/><button style=\"background:red;color:white;cursor:pointer;\""
" onclick=\""
"if(confirm('This action will open contactors on the battery and stop all CAN communications. Are you "
"sure?')) { estop(true); }\""
">Open Contactors</button><br/>";
else
content +=
"<br/><br/><button style=\"background:green;color:white;cursor:pointer;\""
"20px;font-size:16px;font-weight:bold;cursor:pointer;border-radius:5px; margin:10px;"
" onclick=\""
"if(confirm('This action will restore the battery state. Are you sure?')) { estop(false); }\""
">Close Contactors</button><br/>";
content += "<script>";
content += "function OTA() { window.location.href = '/update'; }";
content += "function Cellmon() { window.location.href = '/cellmonitor'; }";
content += "function Settings() { window.location.href = '/settings'; }";
content += "function Advanced() { window.location.href = '/advanced'; }";
content += "function Events() { window.location.href = '/events'; }";
content +=
"function askReboot() { if (window.confirm('Are you sure you want to reboot the emulator? NOTE: If "
"emulator is handling contactors, they will open during reboot!')) { "
"reboot(); } }";
content += "function reboot() {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/reboot', true);";
content += " xhr.send();";
content += "}";
if (WEBSERVER_AUTH_REQUIRED) {
content += "function logout() {";
content += " var xhr = new XMLHttpRequest();";
content += " xhr.open('GET', '/logout', true);";
content += " xhr.send();";
content += " setTimeout(function(){ window.open(\"/\",\"_self\"); }, 1000);";
content += "}";
}
content += "function PauseBattery(pause){";
content +=
"var xhr=new "
"XMLHttpRequest();xhr.onload=function() { "
"window.location.reload();};xhr.open('GET','/pause?p='+pause,true);xhr.send();";
content += "}";
content += "function estop(stop){";
content +=
"var xhr=new "
"XMLHttpRequest();xhr.onload=function() { "
"window.location.reload();};xhr.open('GET','/equipmentStop?stop='+stop,true);xhr.send();";
content += "}";
content += "</script>";
//Script for refreshing page
content += "<script>";
content += "setTimeout(function(){ location.reload(true); }, 15000);";
content += "</script>";
return content;
}
return String();
}
void onOTAStart() {
//try to Pause the battery
setBatteryPause(true, true);
// Log when OTA has started
set_event(EVENT_OTA_UPDATE, 0);
// If already set, make a new attempt
clear_event(EVENT_OTA_UPDATE_TIMEOUT);
ota_active = true;
ota_timeout_timer.reset();
}
void onOTAProgress(size_t current, size_t final) {
// Log every 1 second
if (millis() - ota_progress_millis > 1000) {
ota_progress_millis = millis();
#ifdef DEBUG_VIA_USB
Serial.printf("OTA Progress Current: %u bytes, Final: %u bytes\n", current, final);
#endif // DEBUG_VIA_USB
// Reset the "watchdog"
ota_timeout_timer.reset();
}
}
void onOTAEnd(bool success) {
ota_active = false;
clear_event(EVENT_OTA_UPDATE);
// Log when OTA has finished
if (success) {
//Equipment STOP without persisting the equipment state before restart
// Max Charge/Discharge = 0; CAN = stop; contactors = open
setBatteryPause(true, true, true, false);
// a reboot will be done by the OTA library. no need to do anything here
#ifdef DEBUG_VIA_USB
Serial.println("OTA update finished successfully!");
#endif // DEBUG_VIA_USB
} else {
#ifdef DEBUG_VIA_USB
Serial.println("There was an error during OTA update!");
#endif // DEBUG_VIA_USB
//try to Resume the battery pause and CAN communication
setBatteryPause(false, false);
}
}
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 color) {
String result = "<h4 style='color: " + color + ";'>" + label + ": ";
if (std::is_same<T, float>::value || std::is_same<T, uint16_t>::value || std::is_same<T, uint32_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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