Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | 1x 1x 1x 4x 4x 4x 4x 4x 4x 1x 79x 78x 78x 78x 78x 39x 78x 121x 43x 43x 23x 23x 23x 23x 23x 14x 23x 23x 20x 20x 78x 1x 23x 23x 23x 1x | import { Packet } from './packet';
import { Util } from ".";
import { EventEmitter } from 'events';
export class RcpManager extends EventEmitter {
private preamble: number = 0xBB;
private endMark: number = 0x7E;
private byteRxPkt: Buffer;
private rcpReceivedPacket: boolean;
private rcpReceivedPacketCrcError: boolean;
private static instance: RcpManager;
constructor() {
super();
this.byteRxPkt = Buffer.from([]);
this.rcpReceivedPacket = false;
this.rcpReceivedPacketCrcError = false;
}
dataReceived(data: Buffer): void {
if (data.length != 0) {
this.byteRxPkt = Buffer.concat([this.byteRxPkt, data], this.byteRxPkt.length + data.length);
let num = 0;
for (num = 0; num < this.byteRxPkt.length && this.byteRxPkt[num] != this.preamble; num++) {
}
if (num != 0) {
this.byteRxPkt = Buffer.from(this.byteRxPkt.subarray(num, this.byteRxPkt.length - num));
}
while (true) {
if (this.byteRxPkt.length > 8) {
let num2 = (this.byteRxPkt[3] << 8) + this.byteRxPkt[4];
if (this.byteRxPkt[num2 + 5] == this.endMark) {
this.rcpReceivedPacket = true;
let bytePkt2 = Buffer.from(this.byteRxPkt.subarray(0, num2 + 8));
this.parseRxData(bytePkt2);
bytePkt2 = Buffer.from([]);
if (this.byteRxPkt.length - (num2 + 8) > 0) {
bytePkt2 = Buffer.from(this.byteRxPkt.subarray(num2 + 8, this.byteRxPkt.length - (num2 + 8)));
}
this.byteRxPkt = Buffer.from(bytePkt2);
continue;
}
this.byteRxPkt = Buffer.from([]);
continue;
}
return;
}
}
}
private parseRxData(buffer: Buffer): void {
switch (buffer[1]) {
case 1:
case 2:
case 3:
case 4:
this.emit('packet', Packet.from(buffer));
break;
}
}
} |