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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,40 +1,80 @@ | ||
| import { Converters } from "./converters"; | ||
| import { dataFieldStrategies } from "./data-field"; | ||
| import { TableDataColumn } from "./dom"; | ||
| import { getFunctionCodeDescription } from "./function-codes"; | ||
|
|
||
| export class Frame { | ||
| readonly slaveAddress: number; | ||
| readonly functionCode: number; | ||
| readonly functionCode?: number; | ||
| readonly fromMasterToSlave?: any; | ||
| readonly fromSlaveToMaster?: any; | ||
| readonly fromMasterToSlaveError?: string; | ||
| readonly fromSlaveToMasterError?: string; | ||
|
|
||
| constructor(readonly data: number[]) { | ||
| constructor(readonly data: number[], readonly type: 'error' | 'send' | '') { | ||
| this.slaveAddress = data.shift()!; | ||
| this.functionCode = data.shift()!; | ||
| const specificFormat = dataFieldStrategies[this.functionCode]; | ||
| if (specificFormat) { | ||
| try { | ||
| this.fromMasterToSlave = new specificFormat.fromMasterToSlave(data); | ||
| } catch (e: any) { | ||
| this.fromMasterToSlaveError = this.getError(e); | ||
| } | ||
| try { | ||
| this.fromSlaveToMaster = new specificFormat.fromSlaveToMaster(data); | ||
| } catch (e: any) { | ||
| this.fromSlaveToMasterError = this.getError(e); | ||
| this.functionCode = data.shift(); | ||
| if (type !== 'error' || this.functionCode === undefined) { | ||
| const specificFormat = dataFieldStrategies[this.functionCode!]; | ||
| if (specificFormat) { | ||
| try { | ||
| this.fromMasterToSlave = new specificFormat.fromMasterToSlave(data); | ||
| } catch (e: any) { | ||
| this.fromMasterToSlaveError = this.getError(e); | ||
| } | ||
| try { | ||
| this.fromSlaveToMaster = new specificFormat.fromSlaveToMaster(data); | ||
| } catch (e: any) { | ||
| this.fromSlaveToMasterError = this.getError(e); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| isNoValidDataFormat(): boolean { | ||
| static getDateTime(): string { | ||
| const now = new Date(); | ||
| return `${now.toLocaleString()}+${now.getMilliseconds()}ms`; | ||
| } | ||
|
|
||
| getDataLength(): number { | ||
| return this.data.length; | ||
| } | ||
|
|
||
| getDataAsHex(): string { | ||
| return Converters.bytesAsHex(this.data); | ||
| } | ||
|
|
||
| getRow(): TableDataColumn[] { | ||
| return [ | ||
| new TableDataColumn(Frame.getDateTime(), this.type), | ||
| new TableDataColumn(`${this.slaveAddress}=0x${Converters.byteToHex(this.slaveAddress!)}`, this.type), | ||
| new TableDataColumn(`${this.functionCode}=${this.functionCode === undefined ? '' : getFunctionCodeDescription(this.functionCode)}`, this.type), | ||
| new TableDataColumn(this.getDataLength().toString(), this.type), | ||
| new TableDataColumn(this.getDataAsText(), this.isNoValidDataFormat() ? 'error' : this.type), | ||
| ]; | ||
| } | ||
|
|
||
| private getDataAsText(): string { | ||
| if (this.type === 'error') { | ||
| return `Invalid frame: 0x${this.getDataAsHex()}`; | ||
| } else if (this.isUnknownFrame()) { | ||
| return `Function code is invalid: 0x${this.getDataAsHex()}`; | ||
| } else if (this.isNoValidDataFormat()) { | ||
| return `This frame format does not fit to the function code: fromMasterToSlaveError=${this.fromMasterToSlaveError}; fromSlaveToMasterError=${this.fromSlaveToMasterError}; for: 0x${this.getDataAsHex()}`; | ||
| } else { | ||
| return `Valid frame: fromMasterToSlave=${JSON.stringify(this.fromMasterToSlave)}; fromSlaveToMasterError=${JSON.stringify(this.fromSlaveToMaster)}`; | ||
| } | ||
| } | ||
|
|
||
| private isNoValidDataFormat(): boolean { | ||
| return !!this.fromMasterToSlaveError && !!this.fromSlaveToMasterError; | ||
| } | ||
|
|
||
| isUnknownFrame(): boolean { | ||
| private isUnknownFrame(): boolean { | ||
| return !this.isNoValidDataFormat() && !this.fromMasterToSlave && !this.fromSlaveToMaster; | ||
| } | ||
|
|
||
| protected getError(e: any): string { | ||
| return `${e.message}`; | ||
| return e.message; | ||
| } | ||
| } |
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