first shunt integration (incomplete)

src/lib/defs.ts

@@ -1,2 +1,2 @@
 export const N_CELLS_PER_SLAVE = 15;
-export const N_TEMP_SENSORS_PER_SLAVE = 32;
+export const N_TEMP_SENSORS_PER_SLAVE = 44;

src/lib/messages.ts

@@ -1,5 +1,5 @@
 export interface AMSMessage {
-	type: 'error' | 'status' | 'slaveStatus' | 'slaveLog';
+	type: 'error' | 'status' | 'shunt' |  'slaveStatus' | 'slaveLog';
 }
 
 export interface AMSError extends AMSMessage {
@@ -29,6 +29,30 @@ export interface AMSStatus extends AMSMessage {
 	// TODO: IMD state & R_iso
 }
 
+export interface Shunt extends AMSMessage {
+	type: 'shunt';
+
+	logType: 'current' | 'voltage1' | 'voltage2';
+}
+
+export interface ShuntCurrent extends Shunt {
+	logType: 'current';
+
+	current: number;
+}
+
+export interface ShuntVoltage1 extends Shunt {
+	logType: 'voltage1';
+
+	voltage: number;
+}
+
+export interface ShuntVoltage2 extends Shunt {
+	logType: 'voltage2';
+
+	voltage: number;
+}
+
 export interface SlaveStatus extends AMSMessage {
 	type: 'slaveStatus';
 

src/routes/+page.svelte

@@ -1,8 +1,9 @@
 <script lang="ts">
-	import type { AMSError, AMSMessage, AMSStatus, SlaveLog, SlaveStatus } from '$lib/messages';
+	import type { AMSError, AMSMessage, AMSStatus, Shunt, ShuntCurrent, ShuntVoltage1, ShuntVoltage2, SlaveLog, SlaveStatus } from '$lib/messages';
 	import { source } from 'sveltekit-sse';
 	import MasterStatusDisplay from './master-status-display.svelte';
 	import SlaveStatusDisplay from './slave-status-display.svelte';
+	import ShuntStatusDisplay from './shunt-status-display.svelte';
 	import '../app.css';
 	import MasterErrorDisplay from './master-error-display.svelte';
 	import { SlaveLogData } from '$lib/slave-log';
@@ -10,6 +11,10 @@
 
 	let error: AMSError | undefined;
 	let amsStatus: AMSStatus | undefined;
+	let shunt: Shunt | undefined;
+	let shuntA: ShuntCurrent | undefined
+	let shuntV1: ShuntVoltage1 | undefined;
+    let shuntV2: ShuntVoltage2 | undefined;
 	let slaveStatus: Record<number, SlaveStatus> = {};
 	let slaveLog: Record<number, SlaveLogData> = {};
 
@@ -35,6 +40,9 @@
 				case 'status':
 					amsStatus = msg as AMSStatus;
 					break;
+				case 'shunt':
+					shunt = msg as Shunt;
+					break;
 				case 'slaveStatus': {
 					const status = msg as SlaveStatus;
 					slaveStatus[status.slaveId] = status;
@@ -47,13 +55,20 @@
 		});
 </script>
 
-<h1>FaSTTUBe Charger</h1>
+<div class="wrapper">
+	<MasterErrorDisplay {error} />
+	<MasterStatusDisplay status={amsStatus} />
 
-<MasterErrorDisplay {error} />
-<MasterStatusDisplay status={amsStatus} />
-
-<div class="slaves">
 	{#each Object.entries(slaveStatus) as [id, status]}
 		<SlaveStatusDisplay {id} {status} logData={slaveLog[id]} />
 	{/each}
 </div>
+
+<style>
+	.wrapper {
+		display: flex;
+		flex-direction: row;
+		justify-content: center;
+		align-items: center;
+	}
+</style>

src/routes/data/+server.ts

@@ -4,6 +4,10 @@ import type {
 	AMSError,
 	AMSMessage,
 	AMSStatus,
+	Shunt,
+	ShuntCurrent,
+	ShuntVoltage1,
+	ShuntVoltage2,
 	SlaveLog,
 	SlaveLogLastCell,
 	SlaveLogTemperature,
@@ -18,6 +22,8 @@ const CAN_ID_AMS_SLAVE_STATUS_BASE = 0x080;
 const CAN_ID_AMS_SLAVE_STATUS_MASK = 0xff0;
 const CAN_ID_AMS_SLAVE_LOG_BASE = 0x600;
 const CAN_ID_AMS_SLAVE_LOG_MASK = 0xf00;
+const CAN_ID_AMS_SHUNT_BASE = 0x520;
+const CAN_ID_AMS_SHUNT_MASK = 0xff0;
 
 type RawMessage = {
 	ext?: boolean;
@@ -59,6 +65,45 @@ function decodeStatus(msg: RawMessage): AMSStatus | null {
 	};
 }
 
+function decodeShunt(msg: RawMessage): Shunt | null {
+	if (msg.data.length != 6) {
+		console.warn( 'invalid shunt frame', msg);
+		return null;
+	}
+
+	const index = msg.id & 0x00f;
+	const data = msg.data;
+	if (index == 1) {
+		const msg: ShuntCurrent = {
+			type: 'shunt',
+
+			logType: 'current',
+			current: data.readInt32BE(2) * 1e-3,
+		};
+		return msg;
+	} else if (index == 2) {
+		const msg: ShuntVoltage1 = {
+			type: 'shunt',
+
+			logType: 'voltage1',
+			voltage: data.readInt32BE(2) * 1e-3,
+		};
+		return msg;
+	} else if (index == 3) {
+		const msg: ShuntVoltage2 = {
+			type:  'shunt',
+
+			logType: 'voltage2',
+			voltage: data.readInt32BE(2) * 1e-3,
+		};
+		return msg;
+	} else {
+		console.warn('Unknown shunt index', msg.id);
+		return null;
+	}
+	
+}
+
 function decodeSlaveStatus(msg: RawMessage): SlaveStatus | null {
 	if (msg.data.length != 8) {
 		console.warn('invalid slave status frame', msg);
@@ -139,7 +184,9 @@ export function POST() {
 			{ id: CAN_ID_AMS_ERROR, mask: 0xfff },
 			{ id: CAN_ID_AMS_STATUS, mask: 0xfff },
 			{ id: CAN_ID_AMS_SLAVE_STATUS_BASE, mask: CAN_ID_AMS_SLAVE_STATUS_MASK },
-			{ id: CAN_ID_AMS_SLAVE_LOG_BASE, mask: CAN_ID_AMS_SLAVE_LOG_MASK }
+			{ id: CAN_ID_AMS_SLAVE_LOG_BASE, mask: CAN_ID_AMS_SLAVE_LOG_MASK },
+			{ id: CAN_ID_AMS_SHUNT_BASE, mask:
+			CAN_ID_AMS_SHUNT_MASK }
 		]);
 
 		network.addListener('onMessage', (msg: RawMessage) => {
@@ -153,6 +200,8 @@ export function POST() {
 				message = decodeSlaveStatus(msg);
 			} else if ((msg.id & CAN_ID_AMS_SLAVE_LOG_MASK) == CAN_ID_AMS_SLAVE_LOG_BASE) {
 				message = decodeSlaveLog(msg);
+			} else if ((msg.id & CAN_ID_AMS_SHUNT_MASK) == CAN_ID_AMS_SHUNT_BASE) {
+				message = decodeShunt(msg);
 			} else {
 				switch (msg.id) {
 					case CAN_ID_AMS_ERROR:

src/routes/master-status-display.svelte

@@ -4,18 +4,35 @@
 	export let status: AMSStatus | undefined;
 </script>
 
-{#if status}
+<div class="master-content">
-	<h2>Master Status</h2>
+	{#if status}
-	<div class="status-table">
+		<h2><b>Master Status</b></h2>
-		<div>State:</div>
+		<div class="log-collumn">
-		<div>{status.state}</div>
+			<div>State: {status.state}</div>
-		<div>SDC Closed:</div>
+			<div>SDC Closed: {status.sdcClosed}</div>
-		<div>{status.sdcClosed}</div>
+			<div>SoC: {status.soc}</div>
-		<div>SoC:</div>
+			<div>Min. cell voltage: {Math.round(status.minCellVolt * 100) / 100}</div>
-		<div>{status.soc}</div>
+			<div>Max. cell temperature: {Math.round(status.maxCellTemp * 100) / 100}</div>
-		<div>Min. cell voltage:</div>
+		</div>
-		<div>{status.minCellVolt}</div>
+	{/if}
-		<div>Max. cell temperature:</div>
+</div>
-		<div>{status.maxCellTemp}</div>
+
-	</div>
+<style>
-{/if}
+	.master-content {
+		display: flex;
+		flex-direction: column;
+		width: 12vw;
+		border: 2px solid black;
+		padding: 2px;
+		margin: 2px;
+	}
+
+	.log-collumn {
+		display: flex;
+		flex-direction: column;
+	}
+
+	h2 {
+		text-align: center;
+	}
+</style>

src/routes/shunt-status-display.svelte

@@ -0,0 +1,38 @@
+<script lang="ts">
+    import type { Shunt, ShuntCurrent, ShuntVoltage1, ShuntVoltage2 } from "$lib/messages";
+    export let shuntData: Shunt | undefined;
+    export let shuntA: ShuntCurrent | undefined;
+    export let shuntV1: ShuntVoltage1 | undefined;
+    export let shuntV2: ShuntVoltage2 | undefined;
+</script>
+
+<div class="shunt-content">
+    {#if shuntData}
+        <h2><b>Shunt Data</b></h2>
+        <div class="log-collumn">
+            <div>Current: {Math.round(shuntA.current * 100) / 100} </div>
+            <div>Battery side voltage: {Math.round(shuntV1.voltage * 100) / 100}</div>
+            <div>Vehicle side voltage: {Math.round(shuntV2.voltage * 100) / 100}</div>
+        </div>
+    {/if}
+</div>
+
+<style>
+	.shunt-content {
+		display: flex;
+		flex-direction: column;
+		width: 12vw;
+		border: 2px solid black;
+		padding: 2px;
+		margin: 2px;
+	}
+
+	.log-collumn {
+		display: flex;
+		flex-direction: column;
+	}
+
+	h2 {
+		text-align: center;
+	}
+</style>

src/routes/slave-status-display.svelte

@@ -7,34 +7,67 @@
 	export let logData: SlaveLogData | undefined;
 </script>
 
-<h2>Slave #{id}</h2>
+<div class="slave-content" style:--lightness={status.error ? "60%" : "100%"}>
+	<h2><b>Slave #{id}</b></h2>
 	
-<div class="status-table">
+	<div class="log-collumn">
-	<div>Error</div>
+		<div class="log-entry"><div>Error:</div><div><b>{status.error}</b></div></div>
-	<div>{status.error}</div>
+		<div class="log-entry"><div>Min. cell voltage:</div><div><b>{Math.round(status.minCellVolt*100)/100}V</b></div></div>
-	<div>Min. cell voltage</div>
+		<div class="log-entry"><div>Max. cell voltage:</div><div><b>{Math.round(status.maxCellVolt*100)/100}V</b></div></div>
-	<div>{status.minCellVolt}</div>
+		<div class="log-entry"><div>Max. temperature:</div><div><b>{Math.round(status.maxTemp*100)/100}°</b></div></div>
-	<div>Max. cell voltage</div>
+		<!-- <div>SoC</div>
-	<div>{status.maxCellVolt}</div>
+		<div>{status.soc}</div> -->
-	<div>Max. temperature</div>
+		<!-- <div>Failed temperature sensors</div>
-	<div>{status.maxTemp}</div>
+		<div>{logData?.failedTempSensors ?? 0}</div> -->
-	<div>SoC</div>
+	</div>
-	<div>{status.soc}</div>
-	<div>Failed temperature sensors</div>
-	<div>{logData?.failedTempSensors ?? 0}</div>
-</div>
 	
-{#if logData}
+	{#if logData}
-	<details>
+		<div class="log-collumn">
-		<div class="status-table">
 			{#each logData.voltages as volt, i}
-				<div>V_{i}</div>
+				{#if i < 15}
-				<div>{volt}</div>
+					<div class="log-entry" style:--hue={Math.max(((volt-2.5)*70.5), 0)}>
+						<div>V{i}:</div><div><b>{Math.round(volt*100)/100}V</b></div>
+					</div>
+				{/if}
 			{/each}
 			{#each logData.temperatures as temp, i}
-				<div>T_{i}</div>
+				{#if i > 33 && i < 44}
-				<div>{temp}</div>
+					<div class="log-entry" style:--hue={210-(temp*3.5)}>
+						<div>T{i}:</div><div><b>{temp}°</b></div>
+					</div>
+				{/if}
 			{/each}
 		</div>
-	</details>
+	{/if}
-{/if}
+</div>
+
+<style>
+	.slave-content {
+		display: flex;
+		flex-direction: column;
+		width: 12vw;
+		padding: 2px;
+		margin: 2px;
+		border: 2px solid black;
+		font-size: 14px;
+		margin-top: 10px;
+		background-color: hsl(0, 60%, --lightness);
+	}
+	
+	.log-entry {
+		display: grid;
+		grid-template-columns: 5fr 3fr;
+		margin: 2px;
+		padding: 2px;
+		background-color: hsl(var(--hue), 80%, 80%);
+	}
+
+	.log-collumn {
+		display: flex;
+		flex-direction: column;
+	}
+
+	h2 {
+		text-align: center;
+	}
+</style>