ant-plus

Version:
A node module for ANT+
79 lines • 3.48 kB
JavaScript
"use strict";
/*
 * ANT+ profile: https://www.thisisant.com/developer/ant-plus/device-profiles/#528_tab
 * Spec sheet: https://www.thisisant.com/resources/stride-based-speed-and-distance-monitor/
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.StrideSpeedDistanceScanner = exports.StrideSpeedDistanceSensor = void 0;
const ant_1 = require("./ant");
class StrideSpeedDistanceSensorState {
    constructor(deviceId) {
        this.DeviceID = deviceId;
    }
}
class StrideSpeedDistanceScanState extends StrideSpeedDistanceSensorState {
}
class StrideSpeedDistanceSensor extends ant_1.AntPlusSensor {
    attach(channel, deviceID) {
        super.attach(channel, 'receive', deviceID, StrideSpeedDistanceSensor.deviceType, 0, 255, 8134);
        this.state = new StrideSpeedDistanceSensorState(deviceID);
    }
    updateState(deviceId, data) {
        this.state.DeviceID = deviceId;
        updateState(this, this.state, data);
    }
}
exports.StrideSpeedDistanceSensor = StrideSpeedDistanceSensor;
StrideSpeedDistanceSensor.deviceType = 124;
class StrideSpeedDistanceScanner extends ant_1.AntPlusScanner {
    constructor() {
        super(...arguments);
        this.states = {};
    }
    deviceType() {
        return StrideSpeedDistanceSensor.deviceType;
    }
    createStateIfNew(deviceId) {
        if (!this.states[deviceId]) {
            this.states[deviceId] = new StrideSpeedDistanceScanState(deviceId);
        }
    }
    updateRssiAndThreshold(deviceId, rssi, threshold) {
        this.states[deviceId].Rssi = rssi;
        this.states[deviceId].Threshold = threshold;
    }
    updateState(deviceId, data) {
        updateState(this, this.states[deviceId], data);
    }
}
exports.StrideSpeedDistanceScanner = StrideSpeedDistanceScanner;
function updateState(sensor, state, data) {
    const page = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA);
    if (page === 1) {
        state.TimeFractional = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 1);
        state.TimeInteger = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 2);
        state.DistanceInteger = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 3);
        state.DistanceFractional = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 4) >>> 4;
        state.SpeedInteger = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 4) & 0x0F;
        state.SpeedFractional = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 5);
        state.StrideCount = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 6);
        state.UpdateLatency = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 7);
    }
    else if (page >= 2 && page <= 15) {
        state.CadenceInteger = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 3);
        state.CadenceFractional = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 4) >>> 4;
        state.SpeedInteger = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 4) & 0x0F;
        state.SpeedFractional = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 5);
        state.Status = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 7);
        switch (page) {
            case 3:
                state.Calories = data.readUInt8(ant_1.Messages.BUFFER_INDEX_MSG_DATA + 6);
                break;
            default:
                break;
        }
    }
    sensor.emit('ssddata', state);
    sensor.emit('ssdData', state);
}
//# sourceMappingURL=stride-speed-distance-sensors.js.map