mirror of https://github.com/espruino/BangleApps
178 lines
6.6 KiB
JavaScript
178 lines
6.6 KiB
JavaScript
var device;
|
|
var gatt;
|
|
var service;
|
|
var characteristic;
|
|
|
|
const SETTINGS_FILE = 'cscsensor.json';
|
|
const storage = require('Storage');
|
|
|
|
class CSCSensor {
|
|
constructor() {
|
|
this.movingTime = 0;
|
|
this.lastTime = 0;
|
|
this.lastBangleTime = Date.now();
|
|
this.lastRevs = -1;
|
|
this.settings = storage.readJSON(SETTINGS_FILE, 1) || {};
|
|
this.settings.totaldist = this.settings.totaldist || 0;
|
|
this.totaldist = this.settings.totaldist;
|
|
this.wheelCirc = (this.settings.wheelcirc || 2230)/25.4;
|
|
this.speedFailed = 0;
|
|
this.speed = 0;
|
|
this.maxSpeed = 0;
|
|
this.lastSpeed = 0;
|
|
this.qUpdateScreen = true;
|
|
this.lastRevsStart = -1;
|
|
this.qMetric = !require("locale").speed(1).toString().endsWith("mph");
|
|
this.speedUnit = this.qMetric ? "km/h" : "mph";
|
|
this.distUnit = this.qMetric ? "km" : "mi";
|
|
this.distFactor = this.qMetric ? 1.609344 : 1;
|
|
this.batteryLevel = -1;
|
|
}
|
|
reset() {
|
|
this.settings.totaldist = this.totaldist;
|
|
storage.writeJSON(SETTINGS_FILE, this.settings);
|
|
this.maxSpeed = 0;
|
|
this.movingTime = 0;
|
|
this.lastRevsStart = this.lastRevs;
|
|
this.maxSpeed = 0;
|
|
}
|
|
setBatteryLevel(level) {
|
|
this.batteryLevel = level;
|
|
}
|
|
updateScreen() {
|
|
var dist = this.distFactor*(this.lastRevs-this.lastRevsStart)*this.wheelCirc/63360.0;
|
|
var ddist = Math.round(100*dist)/100;
|
|
var tdist = Math.round(this.distFactor*this.totaldist*10)/10;
|
|
var dspeed = Math.round(10*this.distFactor*this.speed)/10;
|
|
var dmins = Math.floor(this.movingTime/60).toString();
|
|
if (dmins.length<2) dmins = "0"+dmins;
|
|
var dsecs = (Math.floor(this.movingTime) % 60).toString();
|
|
if (dsecs.length<2) dsecs = "0"+dsecs;
|
|
var avespeed = (this.movingTime>2 ? Math.round(10*dist/(this.movingTime/3600))/10 : 0);
|
|
var maxspeed = Math.round(10*this.distFactor*this.maxSpeed)/10;
|
|
for (var i=0; i<6; ++i) {
|
|
if ((i&1)==0) g.setColor(0, 0, 0);
|
|
else g.setColor(0.2, 0.1, 0.4);
|
|
g.fillRect(0, 48+i*32, 86, 48+(i+1)*32);
|
|
if ((i&1)==1) g.setColor(0, 0, 0);
|
|
else g.setColor(0.2, 0.1, 0.4);
|
|
g.fillRect(87, 48+i*32, 239, 48+(i+1)*32);
|
|
g.setColor(0.5, 0.5, 0.5).drawRect(87, 48+i*32, 239, 48+(i+1)*32).drawLine(0, 239, 239, 239).drawRect(0, 48, 87, 239);
|
|
}
|
|
g.setFontAlign(1, 0, 0).setFontVector(19).setColor(1, 1, 0);
|
|
g.drawString("Time:", 87, 66);
|
|
g.drawString("Speed:", 87, 98);
|
|
g.drawString("Ave spd:", 87, 130);
|
|
g.drawString("Max spd:", 87, 162);
|
|
g.drawString("Trip:", 87, 194);
|
|
g.drawString("Total:", 87, 226);
|
|
g.setFontAlign(-1, 0, 0).setFontVector(26).setColor(1, 1, 1);//.clearRect(92, 60, 239, 239);
|
|
g.drawString(dmins+":"+dsecs, 92, 66);
|
|
g.drawString(dspeed+" "+this.speedUnit, 92, 98);
|
|
g.drawString(avespeed + " " + this.speedUnit, 92, 130);
|
|
g.drawString(maxspeed + " " + this.speedUnit, 92, 162);
|
|
g.drawString(ddist + " " + this.distUnit, 92, 194);
|
|
g.drawString(tdist + " " + this.distUnit, 92, 226);
|
|
if (this.batteryLevel!=-1) {
|
|
g.setColor(1, 1, 1).drawRect(10, 55, 20, 75).fillRect(14, 53, 16, 55);
|
|
if (this.batteryLevel<25) g.setColor(1, 0, 0);
|
|
else if (this.batteryLevel<50) g.setColor(1, 0.5, 0);
|
|
else g.setColor(0, 1, 0);
|
|
g.fillRect(11, 74-18*this.batteryLevel/100, 19, 74);
|
|
console.log(this.batteryLevel);
|
|
this.batteryLevel = -1;
|
|
}
|
|
}
|
|
updateSensor(event) {
|
|
var qChanged = false;
|
|
if (event.target.uuid == "0x2a5b") {
|
|
var wheelRevs = event.target.value.getUint32(1, true);
|
|
var dRevs = (this.lastRevs>0 ? wheelRevs-this.lastRevs : 0);
|
|
if (dRevs>0) {
|
|
qChanged = true;
|
|
this.totaldist += dRevs*this.wheelCirc/63360.0;
|
|
if ((this.totaldist-this.settings.totaldist)>0.1) {
|
|
this.settings.totaldist = this.totaldist;
|
|
storage.writeJSON(SETTINGS_FILE, this.settings);
|
|
}
|
|
}
|
|
this.lastRevs = wheelRevs;
|
|
if (this.lastRevsStart<0) this.lastRevsStart = wheelRevs;
|
|
var wheelTime = event.target.value.getUint16(5, true);
|
|
var dT = (wheelTime-this.lastTime)/1024;
|
|
var dBT = (Date.now()-this.lastBangleTime)/1000;
|
|
this.lastBangleTime = Date.now();
|
|
if (dT<0) dT+=64;
|
|
if (Math.abs(dT-dBT)>2) dT = dBT;
|
|
this.lastTime = wheelTime;
|
|
this.speed = this.lastSpeed;
|
|
if (dRevs>0 && dT>0) {
|
|
this.speed = (dRevs*this.wheelCirc/63360.0)*3600/dT;
|
|
this.speedFailed = 0;
|
|
this.movingTime += dT;
|
|
}
|
|
else {
|
|
this.speedFailed++;
|
|
qChanged = false;
|
|
if (this.speedFailed>3) {
|
|
this.speed = 0;
|
|
qChanged = (this.lastSpeed>0);
|
|
}
|
|
}
|
|
this.lastSpeed = this.speed;
|
|
if (this.speed > this.maxSpeed) this.maxSpeed = this.speed;
|
|
}
|
|
if (qChanged && this.qUpdateScreen) this.updateScreen();
|
|
}
|
|
}
|
|
|
|
var mySensor = new CSCSensor();
|
|
|
|
function getSensorBatteryLevel(gatt) {
|
|
gatt.getPrimaryService("180f").then(function(s) {
|
|
return s.getCharacteristic("2a19");
|
|
}).then(function(c) {
|
|
return c.readValue();
|
|
}).then(function(d) {
|
|
mySensor.setBatteryLevel(d.buffer[0]);
|
|
});
|
|
}
|
|
|
|
function parseDevice(d) {
|
|
device = d;
|
|
g.clearRect(0, 60, 239, 239).setFontAlign(0, 0, 0).setColor(0, 1, 0).drawString("Found device", 120, 120).flip();
|
|
device.gatt.connect().then(function(ga) {
|
|
gatt = ga;
|
|
g.clearRect(0, 60, 239, 239).setFontAlign(0, 0, 0).setColor(0, 1, 0).drawString("Connected", 120, 120).flip();
|
|
return gatt.getPrimaryService("1816");
|
|
}).then(function(s) {
|
|
service = s;
|
|
return service.getCharacteristic("2a5b");
|
|
}).then(function(c) {
|
|
characteristic = c;
|
|
characteristic.on('characteristicvaluechanged', (event)=>mySensor.updateSensor(event));
|
|
return characteristic.startNotifications();
|
|
}).then(function() {
|
|
console.log("Done!");
|
|
g.clearRect(0, 60, 239, 239).setColor(1, 1, 1).flip();
|
|
getSensorBatteryLevel(gatt);
|
|
mySensor.updateScreen();
|
|
}).catch(function(e) {
|
|
g.clearRect(0, 60, 239, 239).setColor(1, 0, 0).setFontAlign(0, 0, 0).drawString("ERROR"+e, 120, 120).flip();
|
|
console.log(e);
|
|
})}
|
|
|
|
function connection_setup() {
|
|
NRF.setScan(parseDevice, { filters: [{services:["1816"]}], timeout: 2000});
|
|
g.clearRect(0, 60, 239, 239).setFontVector(18).setFontAlign(0, 0, 0).setColor(0, 1, 0);
|
|
g.drawString("Scanning for CSC sensor...", 120, 120);
|
|
}
|
|
|
|
connection_setup();
|
|
setWatch(function() { mySensor.reset(); g.clearRect(0, 60, 239, 239); mySensor.updateScreen(); }, BTN1, {repeat:true, debounce:20});
|
|
E.on('kill',()=>{ if (gatt!=undefined) gatt.disconnect(); mySensor.settings.totaldist = mySensor.totaldist; storage.writeJSON(SETTINGS_FILE, mySensor.settings); });
|
|
NRF.on('disconnect', connection_setup);
|
|
|
|
Bangle.loadWidgets();
|
|
Bangle.drawWidgets();
|