From 464ef744504d823bb1bd3b0c3147c08f4915a622 Mon Sep 17 00:00:00 2001
From: Rob Pilling <robpilling@gmail.com>
Date: Thu, 25 May 2023 21:01:20 +0100
Subject: [PATCH] bikespeedo: trim dead code

---
 apps/bikespeedo/app.js | 38 +-------------------------------------
 1 file changed, 1 insertion(+), 37 deletions(-)

diff --git a/apps/bikespeedo/app.js b/apps/bikespeedo/app.js
index 6f462a820..d68c089fd 100644
--- a/apps/bikespeedo/app.js
+++ b/apps/bikespeedo/app.js
@@ -12,7 +12,7 @@ const fontFactorB2 = 2/3;
 const colfg=g.theme.fg, colbg=g.theme.bg;
 const col1=colfg, colUncertain="#88f"; // if (lf.fix) g.setColor(col1); else g.setColor(colUncertain);
 
-var altiGPS=0, altiBaro=0;
+var altiBaro=0;
 var hdngGPS=0, hdngCompass=0, calibrateCompass=false;
 
 /*kalmanjs, Wouter Bulten, MIT, https://github.com/wouterbulten/kalmanjs */
@@ -183,7 +183,6 @@ var KalmanFilter = (function () {
 
 var lf = {fix:0,satellites:0};
 var showMax = 0;        // 1 = display the max values. 0 = display the cur fix
-var canDraw = 1;
 var time = '';    // Last time string displayed. Re displayed in background colour to remove before drawing new time.
 var sec; // actual seconds for testing purposes
 
@@ -194,30 +193,9 @@ max.n = 0;    // counter. Only start comparing for max after a certain number of
 
 var emulator = (process.env.BOARD=="EMSCRIPTEN" || process.env.BOARD=="EMSCRIPTEN2")?1:0;  // 1 = running in emulator. Supplies test values;
 
-var wp = {};        // Waypoint to use for distance from cur position.
 var SATinView = 0;
 
-function radians(a) {
-  return a*Math.PI/180;
-}
-
-function distance(a,b){
-  var x = radians(a.lon-b.lon) * Math.cos(radians((a.lat+b.lat)/2));
-  var y = radians(b.lat-a.lat);
-
-  // Distance in selected units
-  var d = Math.sqrt(x*x + y*y) * 6371000;
-  d = (d/parseFloat(cfg.dist)).toFixed(2);
-  if ( d >= 100 ) d = parseFloat(d).toFixed(1);
-  if ( d >= 1000 ) d = parseFloat(d).toFixed(0);
-
-  return d;
-}
-
 function drawFix(dat) {
-
-  if (!canDraw) return;
-
   g.clearRect(0,screenYstart,screenW,screenH);
 
   var v = '';
@@ -260,14 +238,6 @@ function drawFix(dat) {
 }
 
 
-function drawClock() {
-  if (!canDraw) return;
-  g.clearRect(0,screenYstart,screenW,screenH);
-  drawTime();
-  g.reset();
-}
-
-
 function drawPrimary(n,u) {
   //if(emulator)console.log("\n1: " + n +" "+ u);
   var s=40;    // Font size
@@ -367,7 +337,6 @@ function onGPS(fix) {
 
   var sp = '---';
   var al = '---';
-  var di = '---';
   var age = '---';
 
   if (fix.fix) lf = fix;
@@ -412,10 +381,6 @@ function onGPS(fix) {
     al = Math.round(parseFloat(al)/parseFloat(cfg.alt));
     if (parseFloat(al) > parseFloat(max.alt) && max.n > 15 ) max.alt = parseFloat(al);
 
-    // Distance to waypoint
-    di = distance(lf,wp);
-    if (isNaN(di)) di = 0;
-
     // Age of last fix (secs)
     age = Math.max(0,Math.round(getTime())-(lf.time.getTime()/1000));
   } else {
@@ -456,7 +421,6 @@ onGPS(lf);
 
 
 function updateClock() {
-  if (!canDraw) return;
   drawTime();
   g.reset();