From 039ad4c95f3e67e6c7d8c4bbf30194b28b01aad9 Mon Sep 17 00:00:00 2001
From: Martin Zwigl <martin@zwigl.info>
Date: Sat, 22 Mar 2025 19:11:58 +0100
Subject: [PATCH] minor improvements

---
 apps/coin_info/README.md | 1 +
 apps/coin_info/app.js    | 3 ++-
 apps/coin_info/lib.js    | 4 +++-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/apps/coin_info/README.md b/apps/coin_info/README.md
index 1837212eb..b0c624598 100644
--- a/apps/coin_info/README.md
+++ b/apps/coin_info/README.md
@@ -7,6 +7,7 @@ Crypto-Coins Infos with the help of the Binance and CoinStats API
 - Is a clock_info module and an app
 - I use Pebble++ watch to show a bigger size of clock_info
 - I use a wider, more readable font for Pebble++
+- Upload data via App-Loader interface first!!!
 
 ![Screenshot Click_Info 01](screenshots/20250316_01.jpg)
 ![Screenshot Click_Info 02](screenshots/20250316_02.jpg)
diff --git a/apps/coin_info/app.js b/apps/coin_info/app.js
index c72743651..887d28442 100644
--- a/apps/coin_info/app.js
+++ b/apps/coin_info/app.js
@@ -9,6 +9,7 @@ var ticker = 0;
 var currLoadMsg = "...";
 var timePeriod = "24h";
 var tknChrtData = [5,6,5,6,5,6,5,6,5,6,5,6,5,6,];
+var optSpacing = {};
 
 
 //
@@ -100,7 +101,7 @@ function getChart(period) {
             // logFile.write("Chart data:" + JSON.stringify(tknChrtData));
 
             // just not readable
-            // const oSpcOjb = ciLib.calculateOptimalYAxisSpacing(tknChrtData);
+            optSpacing = ciLib.calculateOptimalYAxisSpacing(tknChrtData);
             // logFile.write("Y-Axis:" + JSON.stringify(oSpcOjb));
             // gridYValue = oSpcOjb.interval;
 
diff --git a/apps/coin_info/lib.js b/apps/coin_info/lib.js
index 431212fcf..200014754 100644
--- a/apps/coin_info/lib.js
+++ b/apps/coin_info/lib.js
@@ -99,7 +99,9 @@ exports.calculateOptimalYAxisSpacing = function(data) {
     let adjustedMin = Math.floor(minY / roundedInterval) * roundedInterval;
     let adjustedMax = Math.ceil(maxY / roundedInterval) * roundedInterval;
 
-    return { min: adjustedMin, max: adjustedMax, interval: roundedInterval };
+    let first = data[0];
+    let last = data[data.length - 1];
+    return { min: adjustedMin, max: adjustedMax, interval: roundedInterval, first: first, last: last };
 }