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better_simulator.html
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<!doctype html>
<html class="text-gray-900 leading-tight" lang="en">
<head>
<title>Charge Point - OCPP 1.6</title>
<meta charset="UTF-8"/>
<meta content="width=device-width, initial-scale=1.0" name="viewport"/>
<script src="https://cdn.tailwindcss.com?plugins=forms,typography,aspect-ratio"></script>
<script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
<script defer src="./GetConfigurationData.js" type="text/javascript"></script>
<!-- <script defer src="./simulator_16.js" type="text/javascript"></script>-->
<script>
let _websocket = null
let _websocketConnected = false
let _lastAction = null
let _lastAuthorized = null
let _loopSentMeterValues = null
let _connector_locked = false
let _heartbeatInterval = null
function formatDate(date) {
// format date as ISO 8601 in UTC zone
return date.toISOString()
}
function isConnected() {
if (_websocketConnected === false) {
$('#block_actions').hide()
$('#block_transaction').hide()
$('#heartbeat').prop('disabled', true)
$('#CP').prop('disabled', false)
} else {
$('#block_actions').show()
$('#heartbeat').prop('disabled', false)
$('#CP').prop('disabled', true)
}
}
function randomId(length = 36) {
const possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
let id = ''
for (let i = 0; i < length; i++) {
id += possible.charAt(Math.floor(Math.random() * possible.length))
}
return id
}
function wsConnect() {
if (_websocket) {
_websocket.close(3001)
} else {
const CP = $('#CP').val()
_websocket = new WebSocket(CP, ['ocpp1.6', 'ocpp1.5'])
_websocket.onopen = () => {
_websocketConnected = true
_lastAction = 'BootNotification'
BootNotification()
setTimeout(function () {
StatusNotification(0, 'Available')
StatusNotification(1, 'Available')
StatusNotification(2, 'Available')
setTimeout(function () {
startHB(60000)
}, 500)
}, 500)
$('#connect').text('Disconnect').addClass('bg-green-500')
isConnected()
}
_websocket.onmessage = handleWebSocketMessage
_websocket.onclose = handleWebSocketClose
_websocket.onerror = handleWebSocketError
}
}
function logMsg(err) {
console.info(err)
$('#console').prepend('<li>' + err + '</li>')
}
function Authorize() {
_lastAction = 'Authorize'
const Auth = JSON.stringify([2, randomId(), 'Authorize', { idTag: $('#TAG').val() }])
_websocket.send(Auth)
}
function startTransaction(connector, tag) {
_lastAction = 'startTransaction'
let connectorId = connector || parseInt($('#CUID').val())
const idTag = tag || $('#TAG').val()
if (connectorId === 0) {
$('#CUID').val(1)
connectorId = 1
}
$('#transaction').text('Stop Transaction').addClass('bg-green-500')
const strtT = JSON.stringify([
2,
randomId(),
'StartTransaction',
{
connectorId: connectorId,
idTag: idTag,
timestamp: formatDate(new Date()),
meterStart: Number($('#metervalue').val()),
reservationId: 0,
},
])
_websocket.send(strtT)
}
function stopTransaction() {
_lastAction = 'stopTransaction'
const lastSampledValue = Number($('#metervalue').val())
$('#transaction').text('Start Transaction').removeClass('bg-green-500').removeClass('bg-yellow-500')
const stpT = JSON.stringify([
2,
randomId(),
'StopTransaction',
{
transactionId: Number($('#transactionId').val()),
idTag: $('#TAG').val(),
timestamp: formatDate(new Date()),
meterStop: lastSampledValue,
reason: 'Local', // Local, Remote, Emergency, Other
transactionData: createMeterValuesObject(lastSampledValue, 0),
},
])
_websocket.send(stpT)
/// Also stop the loop of sending meter values
stopSendingMeterValues()
}
function TriggerMessageReply(id, status) {
const remStrt = JSON.stringify([3, id, { status: status }])
_websocket.send(remStrt)
}
function BootNotification() {
_lastAction = 'BootNotification'
const BN = JSON.stringify([
2,
randomId(),
'BootNotification',
{
chargePointVendor: 'VendorName',
chargePointModel: 'VendorName-CHARGER',
chargePointSerialNumber: 'vendor.001.13.1',
chargeBoxSerialNumber: 'vendor.001.13.1.01',
firmwareVersion: '0.9.87',
iccid: '',
imsi: '',
meterType: 'VendorName NQC-ACDC',
meterSerialNumber: 'vendor.001.13.1.01',
},
])
logMsg('ws connected')
_websocket.send(BN)
}
function StatusNotification(connectorId, status) {
_lastAction = 'StatusNotification'
logMsg('StatusNotification: ' + connectorId + ' - ' + status)
const SN = JSON.stringify([
2,
randomId(),
'StatusNotification',
{
connectorId: connectorId,
status: status,
errorCode: 'NoError',
// info: "",
timestamp: formatDate(new Date()),
// vendorId: "",
// vendorErrorCode: "",
},
])
_websocket.send(SN)
}
function startHB(interval) {
logMsg('Start heartbeat (' + interval + 'ms)')
_heartbeatInterval = setInterval(send_heartbeat, interval)
}
function send_heartbeat() {
_lastAction = 'Heartbeat'
const HB = JSON.stringify([2, randomId(), 'Heartbeat', {}])
_websocket.send(HB)
}
function send_datatransfer() {
_lastAction = 'DataTransfer'
const DT = JSON.stringify([
2,
randomId(),
'DataTransfer',
{
vendorId: 'rus.vendor.cp',
messageId: 'GetChargeInstruction',
data: '',
},
])
_websocket.send(DT)
}
function send_meterValue() {
_lastAction = 'MeterValues'
const connectorId = Number($('#CUID').val())
const metervalue = Number($('#metervalue').val())
const transactionId = Number($('#transactionId').val())
const meteramps = Number($('#amps').val())
if (connectorId === undefined || metervalue === undefined || transactionId === undefined) {
logMsg('Sending MeterValues failed - connectorId, metervalue or transactionId is undefined!')
return
}
const MV = JSON.stringify([
2,
randomId(),
'MeterValues',
{
connectorId: connectorId,
transactionId: transactionId,
meterValue: createMeterValuesObject(metervalue, meteramps),
},
])
_websocket.send(MV)
}
function createMeterValuesObject(metervalue, meteramps) {
return [
{
timestamp: formatDate(new Date()),
sampledValue: [
meteramps > 0
? {
value: metervalue,
context: 'Sample.Periodic',
format: 'Raw',
measurand: 'Energy.Active.Import.Register',
location: 'Outlet',
unit: 'kWh',
}
: null,
{
value: meteramps,
context: 'Sample.Periodic',
format: 'Raw',
measurand: 'Current.Import',
phase: 'L1',
location: 'Outlet',
unit: 'A',
},
{
value: meteramps,
context: 'Sample.Periodic',
format: 'Raw',
measurand: 'Current.Import',
phase: 'L2',
location: 'Outlet',
unit: 'A',
},
{
value: meteramps,
context: 'Sample.Periodic',
format: 'Raw',
measurand: 'Current.Import',
phase: 'L3',
location: 'Outlet',
unit: 'A',
},
].filter(Boolean),
},
]
}
function handleSetChargeProfile(profile) {
const profileText = JSON.stringify(profile)
logMsg('' + profileText)
$('#chargeProfile').text(profileText)
// var connectorId = profile.connectorId;
// var chargingProfileId = profile.csChargingProfiles.chargingProfileId;
const chargingLimit = profile.csChargingProfiles.chargingSchedule.chargingSchedulePeriod[0].limit
$('#amps').val(chargingLimit)
if (chargingLimit === 0) {
/// send SuspendedEVSE status
stopSendingMeterValues()
$('#ConnectorStatus').val('SuspendedEVSE')
$('#transaction').removeClass('bg-green-500').addClass('bg-yellow-500')
StatusNotification($('#CUID').val(), 'SuspendedEVSE')
} else {
/// send Charging status
if ($('#ConnectorStatus').val() === 'SuspendedEVSE') {
$('#ConnectorStatus').val('Charging')
$('#transaction').removeClass('bg-yellow-500').addClass('bg-green-500')
StatusNotification($('#CUID').val(), 'Charging')
}
}
}
function send_and_increase_metervalues() {
const currentLoad = Number($('#amps').val())
if (currentLoad > 0) {
const val = Number($('#metervalue').val())
$('#metervalue').val(val + 1)
}
send_meterValue()
}
function stopSendingMeterValues() {
if (_loopSentMeterValues !== null) {
clearInterval(_loopSentMeterValues)
_loopSentMeterValues = null;
$('#mvp').text('MV loop start').removeClass('bg-yellow-500')
}
}
function handleWebSocketMessage(msg) {
const ddata = JSON.parse(msg.data)
if (ddata[0] === 3) {
if (_lastAction === 'Authorize') {
logMsg('Response ' + _lastAction + ': ' + JSON.stringify(ddata[2]))
if (ddata[2].idTagInfo.status === 'Accepted') {
_lastAuthorized = $('#TAG').val()
$('#send').text('Authorized').addClass('bg-green-500')
}
} else if (_lastAction === 'startTransaction') {
logMsg('Response ' + _lastAction + ': ' + JSON.stringify(ddata[2]))
_connector_locked = true
const transactionId = ddata[2].transactionId
$('#transactionId').val(transactionId)
$('#CUID').prop('disabled', true)
$('#ConnectorStatus').val('Charging')
StatusNotification($('#CUID').val(), 'Charging')
$('#block_transaction').show()
} else if (_lastAction === 'stopTransaction') {
logMsg('Response ' + _lastAction + ': ' + JSON.stringify(ddata[2]))
_connector_locked = false
$('#transactionId').val('')
$('#CUID').prop('disabled', false)
// set connector status to Finishing
$('#ConnectorStatus').val('Finishing')
StatusNotification($('#CUID').val(), 'Finishing')
setTimeout(function () {
// set connector status to Preparing (since connector still connected to cp)
$('#ConnectorStatus').val('Preparing')
StatusNotification($('#CUID').val(), 'Preparing')
}, 500)
$('#block_transaction').hide()
} else if (_lastAction === 'MeterValues') {
console.info('Response ' + _lastAction + ': ' + JSON.stringify(ddata[2]))
} else {
logMsg('Response ' + _lastAction + ': ' + JSON.stringify(ddata[2]))
}
} else if (ddata[0] === 4) {
logMsg('Data exchange failed - JSON is not accepted!')
} else if (ddata[0] === 2) {
logMsg(ddata[2])
const responseId = ddata[1]
let responseStatus
switch (ddata[2]) {
case 'ReserveNow':
if (ddata[3].idTag.toLowerCase().includes('faulted')) {
responseStatus = 'Faulted'
} else if (ddata[3].idTag.toLowerCase().includes('occupied')) {
responseStatus = 'Occupied'
} else if (ddata[3].idTag.toLowerCase().includes('rejected')) {
responseStatus = 'Rejected'
} else if (ddata[3].idTag.toLowerCase().includes('unavailable')) {
responseStatus = 'Unavailable'
} else {
responseStatus = 'Accepted'
}
_websocket.send(JSON.stringify([3, responseId, { status: responseStatus }]))
break
case 'CancelReservation':
if (ddata[3].idTag.toLowerCase().includes('rejected')) {
responseStatus = 'Rejected'
} else {
responseStatus = 'Accepted'
}
_websocket.send(JSON.stringify([3, responseId, { status: responseStatus }]))
break
case 'ClearChargingProfile':
_websocket.send(JSON.stringify([3, responseId, { status: 'Accepted' }]))
break
case 'SetChargingProfile':
handleSetChargeProfile(ddata[3])
_websocket.send(JSON.stringify([3, responseId, { status: 'Accepted' }]))
break
case 'Reset': {
// Reset type SOFT, HARD
const ResetS = JSON.stringify([3, responseId, { status: 'Accepted' }])
_websocket.send(ResetS)
location.reload()
break
}
case 'RemoteStopTransaction': {
// TransactionID
_websocket.send(JSON.stringify([3, responseId, { status: 'Accepted' }]))
const stop_id = ddata[3].transactionId
stopTransaction(stop_id)
break
}
case 'RemoteStartTransaction':
// Need to get idTag, connectorId (map - ddata[3])
// Need to save charge limit when provided in data
_websocket.send(JSON.stringify([3, responseId, { status: 'Accepted' }]))
startTransaction(ddata[3].connectorId, ddata[3].idTag)
const profile = ddata[3].chargingProfile
const chargingLimit = profile.chargingSchedule.chargingSchedulePeriod[0].limit
$('#amps').val(chargingLimit)
const profileText = JSON.stringify(profile)
logMsg('' + profileText)
$('#chargeProfile').text(profileText)
break
case 'UnlockConnector':
// connectorId
if (_connector_locked === true) {
_websocket.send(JSON.stringify([3, responseId, { status: 'Unlocked' }]))
_connector_locked = false
logMsg('Connector status changed to: ' + _connector_locked)
} else {
_websocket.send(JSON.stringify([3, responseId, {status: 'NotSupported'}]))
logMsg('Connector not locked')
}
break
case 'TriggerMessage':
// Called by CPMS asking ChargePoint to execute the instruction
// Implemented for MeterValues
switch (ddata[3].requestedMessage) {
case 'MeterValues':
TriggerMessageReply(responseId, 'Accepted')
send_meterValue()
break
case 'BootNotification':
TriggerMessageReply(responseId, 'Accepted')
BootNotification()
break
case 'StatusNotification':
TriggerMessageReply(responseId, 'Accepted')
StatusNotification(ddata[3].connectorId, 'Available')
break
// a case to test when chargepoint rejects triggered message
case 'DiagnosticsStatusNotification':
TriggerMessageReply(responseId, 'Rejected')
break
// a case to test when chargepoint responses with NOT_IMPLEMENTED
case 'FirmwareStatusNotification':
TriggerMessageReply(responseId, 'NotImplemented')
break
default:
_websocket.send(JSON.stringify([4, responseId]))
}
break
case 'GetConfiguration':
const UC = JSON.stringify([3, responseId, getConfigurationData])
_websocket.send(UC)
break
default:
_websocket.send(JSON.stringify([4, responseId, 'Unsupported', 'Unsupported call "' + ddata[2] + '"']))
break
}
}
}
function handleWebSocketClose(evt) {
$('#connect').text('Connect')
if (evt.code === 3001) {
logMsg('ws closed')
_websocket = null
_websocketConnected = false
} else {
logMsg('ws connection error: ' + evt.code)
$('#console').html('')
_websocket = null
_websocketConnected = false
wsConnect()
}
clearInterval(_heartbeatInterval)
isConnected()
}
function handleWebSocketError(evt) {
if (_websocket.readyState === 1) {
logMsg('ws normal error: ' + evt.type)
}
}
$(document).ready(function () {
//bind controls
$('#connect').click(function () {
$('#console').html('')
wsConnect()
})
$('#send').click(function () {
Authorize()
})
$('#TAG').on('input', function () {
if (_lastAuthorized !== $('#TAG').val()) {
_lastAuthorized = ''
$('#send').text('Authorize').removeClass('bg-green-500')
}
})
$('#transaction').click(function () {
const transactionId = $('#transactionId').val()
if (transactionId !== '') {
stopSendingMeterValues()
stopTransaction()
} else {
startTransaction()
}
})
$('#mvp').click(function () {
if (_loopSentMeterValues !== null) {
stopSendingMeterValues()
} else {
$('#mvp').text('MV loop stop').addClass('bg-yellow-500')
send_and_increase_metervalues()
_loopSentMeterValues = setInterval(send_and_increase_metervalues, $('#meterInterval').val())
}
})
$('#heartbeat').click(function () {
send_heartbeat()
})
$('#status').click(function () {
_lastAction = 'StatusNotification'
const connectorId = parseInt($('#CUID').val())
const status = $('#ConnectorStatus').val()
StatusNotification(connectorId, status)
})
$('#data_transfer').click(function () {
send_datatransfer()
})
$('#connect').on('change', function () {
if (_websocket) {
_websocket.close(3001)
}
})
$('#transactionId').on('change', function () {
if ($('#transactionId').val() !== '') {
$('#block_transaction').show()
} else {
$('#block_transaction').hide()
}
})
isConnected()
})
$(document).ready(function () {
$('#commands').show()
$('#output').hide()
const params = new URLSearchParams(window.location.search)
let cp = params.get('cp')
let tag = params.get('tag')
if (cp === null || cp.length === 0) {
cp = 'STATION1'
}
if (tag === null || tag.length === 0) {
tag = 'Tag1'
}
$('#CP').val('ws://localhost:8080/ocpp/' + cp)
$('#TAG').val(tag)
})
$('#show-commands').on('click', function () {
$('#commands').show()
$('#output').hide()
})
$('#show-output').on('click', function () {
$('#commands').hide()
$('#output').show()
})
</script>
<style>
input[disabled] {
background-color: lightgrey;
}
</style>
</head>
<body class="min-h-screen bg-gray-100">
<div class="flex w-100" id="tabs">
<button class="flex-1 bg-gray-700 text-white py-2 px-4 m-1 shadow-md" id="show-commands" type="button">Commands
</button>
<button class="flex-1 bg-gray-700 text-white py-2 px-4 m-1 shadow-md" id="show-output" type="button">Output</button>
</div>
<div id="commands">
<div class="p-1" id="block_connect">
<div class="flex w-full gap-2">
<div class="w-full">
<input class="w-full" id="CP" placeholder="CPO" type="text" value="ws://localhost:8080/ocpp/STATION1"/>
</div>
<button class="py-2 px-4 h-100 bg-blue-500 text-white font-semibold shadow-md hover:bg-blue-700"
id="connect">
Connect
</button>
</div>
</div>
<div class="p-1" id="block_actions">
<div class="flex w-full gap-2">
<div class="w-full">
<input class="w-full" id="TAG" placeholder="Tag" type="text" value="AUTHTAG123"/>
</div>
<button
class="py-2 px-4 h-100 bg-blue-500 text-white font-semibold shadow-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-400 focus:ring-opacity-75"
id="send"
>
Authorize
</button>
<button
class="py-2 px-4 h-100 bg-blue-500 text-white font-semibold shadow-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-400 focus:ring-opacity-75"
id="heartbeat"
>
Heartbeat
</button>
<button
class="py-2 px-4 h-100 bg-blue-500 text-white font-semibold shadow-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-400 focus:ring-opacity-75"
id="data_transfer"
>
DT
</button>
</div>
<div class="flex w-full p-1 gap-2">
<div>
<label for="CUID">connector</label>
<input class="w-32" id="CUID" placeholder="Connector uid" type="number" value="0"/>
</div>
<div>
<label for="ConnectorStatus">status</label>
<select class="w-42" id="ConnectorStatus" name="ConnectorStatus">
<option value="Available">Available</option>
<option value="Preparing">Preparing</option>
<option value="Charging">Charging</option>
<option value="SuspendedEVSE">SuspendedEVSE</option>
<option value="SuspendedEV">SuspendedEV</option>
<option value="Finishing">Finishing</option>
<option value="Reserved">Reserved</option>
<option value="Unavailable">Unavailable</option>
<option value="Faulted">Faulted</option>
</select>
</div>
<button
class="w-full py-2 px-4 bg-blue-500 text-white font-semibold shadow-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-400 focus:ring-opacity-75"
id="status"
>
Status
</button>
</div>
<div class="flex w-full p-1 gap-2">
<div>
<label for="transactionId">transaction</label>
<input
autocomplete="off"
class="w-24"
disabled
id="transactionId"
placeholder="transactionId"
type="number"
value=""
/>
</div>
<div>
<label for="amps">meter (A)</label>
<input class="w-20" id="amps" placeholder="Meter current" type="number" value="16"/>
</div>
<div>
<label for="metervalue">meter (wH)</label>
<input class="w-24" id="metervalue" placeholder="Meter value" type="number" value="1"/>
</div>
<button
class="w-full py-2 px-4 bg-blue-500 text-white font-semibold shadow-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-400 focus:ring-opacity-75"
id="transaction"
>
Start
</button>
</div>
</div>
<div class="p-1" id="block_transaction">
<div class="flex w-full p-1 gap-2">
<div>
<input class="w-full" id="meterInterval" placeholder="meterInterval" type="number" value="10000"/>
</div>
<button
class="py-2 px-4 bg-blue-500 text-white font-semibold shadow-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-400 focus:ring-opacity-75"
id="mvp"
>
MV loop start
</button>
</div>
<div class="flex w-full p-1 gap-2">
<textarea autocorrect="off" class="text-xs" id="chargeProfile" style="width: inherit;"></textarea>
</div>
</div>
</div>
<div id="output">
<div class="console p-2 px-2">
<ul id="console"></ul>
</div>
</div>
</body>
</html>