sim800/src/classes/cmgr-command.ts

A modern and opiniated module for SIM800 GSM modems ( SIM800 / SIM800L ).

import { Deliver, parse } from 'node-pdu';
import { Sim800CommandType } from '../interfaces/sim800-command-type.enum';
import { Sim800Command } from './sim800-command';

export class CmgrCommand extends Sim800Command {
  constructor(index: number) {
    super({
      command: Sim800CommandType.ATCMGR,
      arg: String(index),
      completeWhen: 'OK',
      errorWhen: 'ERROR',
      expectedData: [
        '+CMGR: ',
        (data) => {
          try {
            const sms = parse(data);
            return sms instanceof Deliver;
          } catch (error) {
            return false;
          }
        },
      ],
    });
  }
}