bt-seneca-msc/classes/Command.js

A pure Javascript API for the Seneca Multi Smart Calibrator (MSC) device, using web bluetooth.

var constants = require("../constants");
var utils = require("../utils");
var CommandType = constants.CommandType;

/**
 * Command to the meter, may include setpoint
 * */
class Command {
	/**
     * Creates a new command
     * @param {CommandType} ctype
     */
	constructor(ctype = CommandType.NONE_UNKNOWN) {
		this.type = parseInt(ctype);
		this.setpoint = null;
		this.setpoint2 = null;
		this.error = false;
		this.pending = true;
		this.request = null;
		this.response = null;
	}

	static CreateNoSP(ctype) {
		var cmd = new Command(ctype);
		return cmd;
	}
	static CreateOneSP(ctype, setpoint) {
		var cmd = new Command(ctype);
		cmd.setpoint = parseFloat(setpoint);
		return cmd;
	}
	static CreateTwoSP(ctype, set1, set2) {
		var cmd = new Command(ctype);
		cmd.setpoint = parseFloat(set1);
		cmd.setpoint2 = parseFloat(set2);
		return cmd;
	}

	toString() {
		return "Type: " + utils.Parse(CommandType, this.type) + ", setpoint:" + this.setpoint + ", setpoint2: " + this.setpoint2 + ", pending:" + this.pending + ", error:" + this.error;
	}

	/**
     * Gets the default setpoint for this command type
     * @returns {Array} setpoint(s) expected
     */
	defaultSetpoint() {
		switch (this.type) {
		case CommandType.GEN_THERMO_B:
		case CommandType.GEN_THERMO_E:
		case CommandType.GEN_THERMO_J:
		case CommandType.GEN_THERMO_K:
		case CommandType.GEN_THERMO_L:
		case CommandType.GEN_THERMO_N:
		case CommandType.GEN_THERMO_R:
		case CommandType.GEN_THERMO_S:
		case CommandType.GEN_THERMO_T:
		case CommandType.GEN_Cu50_3W:
		case CommandType.GEN_Cu50_2W:
		case CommandType.GEN_Cu100_2W:
		case CommandType.GEN_Ni100_2W:
		case CommandType.GEN_Ni120_2W:
		case CommandType.GEN_PT100_2W:
		case CommandType.GEN_PT500_2W:
		case CommandType.GEN_PT1000_2W:
			return { "Temperature (°C)": 0.0 };
		case CommandType.GEN_V:
			return { "Voltage (V)": 0.0 };
		case CommandType.GEN_mV:
			return { "Voltage (mV)": 0.0 };
		case CommandType.GEN_mA_active:
		case CommandType.GEN_mA_passive:
			return { "Current (mA)": 0.0 };
		case CommandType.GEN_LoadCell:
			return { "Imbalance (mV/V)": 0.0 };
		case CommandType.GEN_Frequency:
			return { "Frequency (Hz)": 0.0 };
		case CommandType.GEN_PulseTrain:
			return { "Pulses count": 0, "Frequency (Hz)": 0.0 };
		case CommandType.SET_UThreshold_F:
			return { "Uthreshold (V)": 2.0 };
		case CommandType.SET_Sensitivity_uS:
			return { "Sensibility (uS)": 2.0 };
		case CommandType.SET_ColdJunction:
			return { "Cold junction compensation": 0.0 };
		case CommandType.SET_Ulow:
			return { "U low (V)": 0.0 / constants.MAX_U_GEN };
		case CommandType.SET_Uhigh:
			return { "U high (V)": 5.0 / constants.MAX_U_GEN };
		case CommandType.SET_ShutdownDelay:
			return { "Delay (s)": 60 * 5 };
		default:
			return {};
		}
	}
	isGeneration() {
		return utils.isGeneration(this.type);
	}
	isMeasurement() {
		return utils.isMeasurement(this.type);
	}
	isSetting() {
		return utils.isSetting(this.type);
	}
	isValid() {
		return (utils.isMeasurement(this.type) || utils.isGeneration(this.type) || utils.isSetting(this.type));
	}
}

module.exports = Command;