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Add battery statistics to webserver

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Daniel 2023-12-29 18:29:54 +02:00
parent 430da0e0bd
commit c121f774d5
2 changed files with 87 additions and 4 deletions
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72
Software/src/devboard/webserver/webserver.cpp
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@ -9,9 +9,9 @@ unsigned long ota_progress_millis = 0;
const char index_html[] PROGMEM = R"rawliteral(
<!DOCTYPE HTML><html>
<head>
<title>Battery Emulator Web Server</title>
<title>Battery Emulator</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" href="data:,">
<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;}
@ -26,7 +26,7 @@ const char index_html[] PROGMEM = R"rawliteral(
</style>
</head>
<body>
<h2>Battery Emulator Web Server</h2>
<h2>Battery Emulator</h2>
%PLACEHOLDER%
</script>
</body>
@ -120,6 +120,11 @@ void init_ElegantOTA() {
String processor(const String& var) {
if (var == "PLACEHOLDER") {
String content = "";
//Page format
content += "<style>";
content += "body { background-color: black; color: white; }";
content += "</style>";
// Display LED color
content += "<h4>LED color: ";
switch (LEDcolor) {
@ -147,6 +152,67 @@ String processor(const String& var) {
if (wifi_connected == true) {
content += "<h4>IP: " + WiFi.localIP().toString() + "</h4>";
}
// Assuming SOC is an integer
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 tempMaxFloat = static_cast<float>(temperature_max) / 10.0; // Convert to float and divide by 10
float tempMinFloat = static_cast<float>(temperature_min) / 10.0; // Convert to float and divide by 10
char socString[10];
char sohString[10];
char voltageString[10];
char tempMaxString[10];
char tempMinString[10];
// Format decimals
dtostrf(socFloat, 6, 2, socString);
dtostrf(sohFloat, 6, 2, sohString);
dtostrf(voltageFloat, 6, 1, voltageString);
dtostrf(tempMaxFloat, 6, 1, tempMaxString);
dtostrf(tempMinFloat, 6, 1, tempMinString);
//Display battery statistics
content += "<h4>SOC: " + String(socString) +"</h4>";
content += "<h4>SOH: " + String(sohString) +"</h4>";
content += "<h4>Voltage: " + String(voltageString) + " V</h4>";
content += "<h4>Current: " + String(battery_current) + " A</h4>";
content += "<h4>Power: " + String(stat_batt_power) + " W</h4>";
content += "<h4>Total capacity: " + String(capacity_Wh) + " Wh</h4>";
content += "<h4>Remaining capacity: " + String(remaining_capacity_Wh) + " Wh</h4>";
content += "<h4>Max discharge power: " + String(max_target_discharge_power) + " W</h4>";
content += "<h4>Max charge power: " + String(max_target_charge_power) + " W</h4>";
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(tempMaxString) + " C</h4>";
content += "<h4>Temperature min: " + String(tempMinString) + " C</h4>";
content += "<h4>BMS Status: " + String(bms_status) + " -</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 += "<button onclick='goToUpdatePage()'>Perform OTA update</button>";
content += "<script>";
content += "function goToUpdatePage() { window.location.href = '/update'; }";
content += "</script>";
//Script for refreshing page
content += "<script>";
content += "setTimeout(function(){ location.reload(true); }, 5000);";
content += "</script>";
return content;
}
return String();