Minor fix on the accerec, pebbleapp and bthome

pebblepp:
-refresh date background also
-getDay -> getDate
-add some comments

bthome:
- better id search

accelrec:
- fix on the regex search
- Don't ask save option when only show plot

- add some comments

apps/accelrec/app.js

@@ -1,6 +1,6 @@
 //var acc;
 var HZ = 100;
-var SAMPLES = 5 * HZ; // 5 seconds
+var SAMPLES = 6 * HZ; // 6 seconds
 var SCALE = 2000;
 var THRESH = 1.4;
 var accelx = new Int16Array(SAMPLES);
@@ -62,13 +62,13 @@ function recordStop() {
     Bangle.accelWr(0x18, 0b11101100); // +-4g
     Bangle.removeListener('accel', accelHandlerRecord);
     E.showMessage("Finished");
-    showData();
+    showData(true);
 }
 
 
-function showData() {
+function showData(save_file) {
     g.clear(1);
-    let csv_files_N = require("Storage").list(/^acc.*.csv$/).length;
+    let csv_files_N = require("Storage").list(/^acc.*\.csv$/).length;
     let w_full = g.getWidth();
     let h = g.getHeight();
     var w = g.getWidth() - 20; // width
@@ -95,7 +95,7 @@ function showData() {
     var maxAccel = 0;
     var tStart = SAMPLES,
         tEnd = 0;
-    var maxVel = 0;
+    var max_YZ = 0;
     for (var i = 0; i < SAMPLES; i++) {
         var a = Math.abs(accely[i] / SCALE);
         let a_yz = Math.sqrt(Math.pow(accely[i] / SCALE, 2) + Math.pow(accelz[i] / SCALE, 2));
@@ -104,19 +104,20 @@ function showData() {
             if (i > tEnd) tEnd = i;
         }
         if (a > maxAccel) maxAccel = a;
-        if (a_yz > maxVel) maxVel = a_yz;
+        if (a_yz > max_YZ) max_YZ = a_yz;
     }
     g.reset();
     g.setFont("6x8").setFontAlign(1, 0);
     g.drawString("Max X Accel: " + maxAccel.toFixed(2) + " g", g.getWidth() - 14, g.getHeight() - 50);
-    g.drawString("Max YZ Accel: " + maxVel.toFixed(2) + " g", g.getWidth() - 14, g.getHeight() - 40);
+    g.drawString("Max YZ Accel: " + max_YZ.toFixed(2) + " g", g.getWidth() - 14, g.getHeight() - 40);
     g.drawString("Time moving: " + (tEnd - tStart) / HZ + " s", g.getWidth() - 14, g.getHeight() - 30);
     g.setFont("6x8", 2).setFontAlign(0, 0);
     g.drawString("File num: " + (csv_files_N + 1), w_full / 2, h - 20);
     g.setFont("6x8").setFontAlign(0, 0, 1);
     g.drawString("FINISH", g.getWidth() - 4, g.getHeight() / 2);
     setWatch(function() {
-        showSaveMenu();
+        if (save_file) showSaveMenu(); // when select only plot, don't ask for save option
+        else showMenu();
     }, global.BTN2 ? BTN2 : BTN);
 }
 
@@ -154,14 +155,14 @@ function showMenu() {
         },
         "Plot": function() {
             E.showMenu();
-            if (accelIdx) showData();
+            if (accelIdx) showData(false);
             else E.showAlert("No Data").then(() => {
                 showMenu();
             });
         },
         "Storage": function() {
             E.showMenu();
-            if (require("Storage").list(/^acc.*.csv$/).length)
+            if (require("Storage").list(/^acc.*\.csv$/).length)
                 StorageMenu();
             else
                 E.showAlert("No Data").then(() => {
@@ -185,7 +186,7 @@ function showSaveMenu() {
 }
 
 function SaveFile() {
-    let csv_files_N = require("Storage").list(/^acc.*.csv$/).length;
+    let csv_files_N = require("Storage").list(/^acc.*\.csv$/).length;
     //if (csv_files_N > 20)
     //  E.showMessage("Storage is full");
     //  showMenu();
@@ -199,13 +200,14 @@ function SaveFile() {
     showMenu();
 }
 
+//Show saved csv files
 function StorageMenu() {
     var menu = {
         "": {
             title: "Storage"
         }
     };
-    let csv_files = require("Storage").list(/^acc.*.csv$/);
+    let csv_files = require("Storage").list(/^acc.*\.csv$/);
     var inx = 0;
     csv_files.forEach(fn => {
         inx++;

apps/bthome/settings.js

@@ -11,19 +11,9 @@
     require("Storage").writeJSON("bthome.json",settings)
   }
 
+  // Get id number for button that is sent to bthome
   function getNewIdNumber(){
-    var id_start = 1;
+    return [1, 2, 3, 4, 5, 6, 7, 8, 9].find(id => settings.buttons.every(button => id != button.n));
-    var select = false;
-    while(!select){
-      select = true;
-      settings.buttons.forEach((button, idx) => {
-        if (id_start == button.n){
-          id_start++;
-          select = false;
-        }
-      });
-    }
-    return id_start;
   }
 
   function showButtonMenu(button, isNew) {

apps/pebblepp/app.js

@@ -38,8 +38,9 @@ let draw = function() {
 
   g.reset();
   g.setBgColor(theme.bg).clearRect(0, h2, w, h3);
+  g.setColor(theme.fg).fillRect(w / 2 - 30, h3, w / 2 + 30, h); // refresh date background
   g.setFontLECO1976Regular22().setFontAlign(0, -1);
-  g.setColor(0, 0, 0).drawString(date.getDay() + "." + (date.getMonth() + 1), w / 2, h3 + 5);
+  g.setColor(0, 0, 0).drawString(date.getDate() + "." + (date.getMonth() + 1), w / 2, h3 + 5);
   g.setFontLECO1976Regular42().setFontAlign(0, -1);
   g.setColor(theme.fg);
   g.drawString(time, w/2, h2 + 8);
@@ -132,10 +133,8 @@ Bangle.setUI({
 Bangle.loadWidgets();
 require("widget_utils").swipeOn(); // hide widgets, make them visible with a swipe
 background.fillRect(Bangle.appRect); // start off with completely clear background
-// contrast bar (top)
+// background contrast bar
 g.setColor(theme.fg).fillRect(0, h2 - 6, w, h2);
-// contrast bar (bottom)
-g.setColor(theme.fg).fillRect(w / 2 - 30, h3, w / 2 + 30, h);
 
 draw();
 }