From f13a84aaa0c54ede53bb44f75abec9ed1b71375f Mon Sep 17 00:00:00 2001
From: Lewis Moten <lewismoten@gmail.com>
Date: Tue, 14 May 2024 02:25:19 -0400
Subject: [PATCH] add crc and sequence numbers to packets

---
 Panels/PacketizationPanel.js | 40 +++++++++++++++++++++++++++++++++---
 1 file changed, 37 insertions(+), 3 deletions(-)

diff --git a/Panels/PacketizationPanel.js b/Panels/PacketizationPanel.js
index 209e161..1ca212c 100644
--- a/Panels/PacketizationPanel.js
+++ b/Panels/PacketizationPanel.js
@@ -1,5 +1,5 @@
 import BasePanel from './BasePanel';
-import { byteSize } from '../Humanize';
+import { byteSize, metricNumber } from '../Humanize';
 
 class PacketizationPanel extends BasePanel {
   constructor() {
@@ -38,7 +38,23 @@ class PacketizationPanel extends BasePanel {
     this.addDynamicText('size', 'n/a')
     this.closeField();
 
-    this.addCheckboxes('packet-encoding', [
+    this.openField('CRC');
+    this.addDropdown('packet-crc', [
+      {text: 'None', value: 0},
+      {text: 'CRC-8', value: 8},
+      {text: 'CRC-16', value: 16},
+      {text: 'CRC-32', value: 32},
+    ], 'packetCrcChange');
+    this.closeField();
+
+    this.openField('Sequence Numbers');
+    this.addText('2^');
+    this.addInputNumber('sequence-power', 0, {min: 0, max: 16, eventName: 'sequenceNumberPowerChange', translation: 'power of 2'});
+    this.addText(' ');
+    this.addDynamicText('sequence-max', 'n/a')
+    this.closeField();
+
+    this.addCheckboxes('packet-options', [
       { text: 'Error Correction', id: 'error-correction', checked: true, eventName: 'errorCorrectionChange' },
     ]);
     
@@ -55,6 +71,11 @@ class PacketizationPanel extends BasePanel {
     this.addEventListener('dataSizePowerChange', this.handleDataSizePowerChange);
     this.dispatcher.emit('dataSizePowerChange', {value: this.getDataSizePower()});
     this.dispatcher.emit('dataSizeChange', {value: this.getDataSize()});
+
+    this.addEventListener('sequenceNumberPowerChange', ({value}) => {
+      this.setValueById('sequence-max', metricNumber(this.getMaxSequenceNumber()))
+    })
+    this.dispatcher.emit('sequenceNumberPowerChange', ({ value: this.getMaxSequenceNumber() }))
   };
 
   getSizePower = () => this.getNumberById('size-power');
@@ -81,7 +102,20 @@ class PacketizationPanel extends BasePanel {
   setDataSizeCrc = bitLength => this.setValueById('data-size-crc', bitLength)
 
   getDataCrc = () => this.getNumberById('data-crc');
-  setDataCrc = bitLength => this.setValueById('data-crc', bitLength)
+  setDataCrc = bitLength => this.setValueById('data-crc', bitLength);
+
+  getPacketCrc = () => this.getNumberById('packet-crc');
+  setPacketCrc = (bitLength) => this.setValueById('packet-crc', bitLength);
+
+  getSequenceNumberPower = () => this.getNumberById('sequence-power');
+  setSequenceNumberPower = (count) => {
+    this.setValueById('sequence-power', count);
+    this.dispatcher.emit('sequenceNumberPowerChange', {value: this.getMaxSequenceNumber()});
+  }
+  getMaxSequenceNumber = () => {
+    const power = this.getSequenceNumberPower();
+    return power === 0 ? Infinity : 2 ** power;
+  }
 
   getInterleaving = () => this.getCheckedById('interleaving');
   setInterleaving = (value) => this.setCheckedById('interleaving', value);