store_acc_hrm.js

eval(require("Storage").read(".boot0"));

var accData=[];
var maxSize=0;
var filename="log.csv";
var f = require('Storage').open(filename,"w");
f.erase();
f = require('Storage').open(filename,"a");
f.write("Time,Acc_x,Acc_y,Acc_z,Acc_m,Acc_d,HRM_b,HRM_c,HRM_r,HRM_f,BTHRM\n");


function writeAcc(e){
  e.date=Date.now();
  accData.push(e);
  accData.splice(0, accData.length - maxSize);
}

function writeAccDirect(e){
  f.write(Date.now()+","+e.x+","+e.y+","+e.z+","+e.mag+","+e.diff+",,,,,,\n");
}

function writeBTHRM(e){
  print(e.bpm);
  f.write(Date.now()+",,,,,,,,,,"+e.bpm+"\n");
}

function writeHRM(e){
  while(accData.length > 0){
    var c = accData.shift();
    if (c) f.write(c.date+","+c.x+","+c.y+","+c.z+","+c.mag+","+c.diff+",,,,,,\n");
  }
  f.write(Date.now()+",,,,,,"+e.bpm+","+e.confidence+",,,\n");
}

function writeHRMraw(e){
  f.write(Date.now()+",,,,,,,,"+e.raw+","+e.filt+",\n");
}

Bangle.setHRMPower(1);
if (Bangle.setBTHRMPower){
  print("Use BTHRM");
  Bangle.setBTHRMPower(1);
}

if(maxSize){
  Bangle.on("accel", writeAcc);
} else {
  Bangle.on("accel", writeAccDirect);
}
Bangle.on("HRM-raw", writeHRMraw);
Bangle.on("HRM", writeHRM);
Bangle.on("BTHRM", writeBTHRM);