From a0d522c89faa14d5bb6eb968d56e313b61eb5df4 Mon Sep 17 00:00:00 2001
From: Fisch <interfisch@gmx.net>
Date: Sun, 29 Jun 2025 07:49:04 +0200
Subject: [PATCH] change to 500g maximum

---
 src/main.cpp | 39 ++++++++++++++++++++++-----------------
 1 file changed, 22 insertions(+), 17 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 3452122..1fa3e6a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -12,6 +12,8 @@
 
 Servo esc;
 
+//2021xxxx: 5834.9399
+//20230422: 5834.1499
 
 
 #define PIN_BACK 8
@@ -59,7 +61,7 @@ uint8_t btn_set_press=0;
 
 #define PIN_LED 13
 
-#define MAXDOUBLEVALUE 32767
+#define MAXVALUE 65535
 
 //DEFAULT EEPROM SETTINGS
 #define DEFAULT_FPS 5
@@ -105,7 +107,7 @@ int adc_readings=1; //ca. 700ms for 5 readings, ca 75ms for 1 reading, readings=
 
 double weight=0;
 #define ADCMEDIANVALUES_MAX 91 //needs to be uneven, maximum number, for array declaration
-float weightseries[ADCMEDIANVALUES_MAX]; //last n values for median filter
+double weightseries[ADCMEDIANVALUES_MAX]; //last n values for median filter
 uint16_t adcmedianvalues=DEFAULT_ADCMEDIANVALUES; //needs to be uneven //eeprom
 float adcFilterKeepMedianvaluesFactor=0.8; //how many lowest and highest values will be removed from the array before avaraging (as factor). 0.0 means only median is used. 1.0 means all values are used.
 uint16_t adcmedianposition=0;
@@ -172,8 +174,8 @@ String toString(double w,uint8_t dec);
 String toString(double w);
 String toWeightString(double w,uint8_t dec,uint8_t len);
 String toWeightString(double w);
-float getWeightSeriesMax();
-float getWeightSeriesMin();
+double getWeightSeriesMax();
+double getWeightSeriesMin();
 double getWeightMedian();
 double getWeightFiltered();
 float getVoltage();
@@ -312,13 +314,15 @@ void loop() {
       lcd_backlight_offtimer=0;
       lcd.backlight();
     }
-    lcd0=toStringBar(weight,0,1000);
+    lcd0=toStringBar(weight,0,500);
     //lcd1=toWeightString(weight)+"g";
     //lcd1=toWeightString(getWeightMedian())+"g";
     
     lcd1=toWeightString(showweight)+"g";
     Serial.print(showweight,3); Serial.println("g");
     
+    
+    
     //___
     if (btn_back_press==2){ //press BACK to tare
       scale.tare();
@@ -571,6 +575,7 @@ void loop() {
   if (millis() >= time_lastadc+time_adcwait)
   {
     weight=scale.get_units(adc_readings);
+    
     adcmedianposition++;
     adcmedianposition%=adcmedianvalues;
     weightseries[adcmedianposition]=weight; //save weight to series for medianfilter
@@ -910,11 +915,11 @@ double getWeightMedian() //return median weight from weightseries
   boolean mask[adcmedianvalues]; //true=disabled value
   for (uint16_t i=0;i<adcmedianvalues;i++)
     mask[i]=false;
-  float cmin=MAXDOUBLEVALUE; uint16_t cmin_i=0;
-  float cmax=0; uint16_t cmax_i=0;
+  double cmin=MAXVALUE; uint16_t cmin_i=0;
+  double cmax=0; uint16_t cmax_i=0;
   while(cmin!=cmax){ //stop when only one value left
-    cmin=MAXDOUBLEVALUE;
-    cmax=-MAXDOUBLEVALUE-1;
+    cmin=MAXVALUE;
+    cmax=-MAXVALUE-1;
     for (uint16_t i=0;i<adcmedianvalues;i++){
       if (!mask[i]){
         if (weightseries[i]<cmin){
@@ -938,16 +943,16 @@ double getWeightFiltered() {
   boolean mask[adcmedianvalues]; //true=disabled value
   for (uint16_t i=0;i<adcmedianvalues;i++)
     mask[i]=false;
-  float cmin=MAXDOUBLEVALUE; uint16_t cmin_i=0;
-  float cmax=0; uint16_t cmax_i=0;
+  double cmin=MAXVALUE; uint16_t cmin_i=0;
+  double cmax=0; uint16_t cmax_i=0;
   //while(cmin!=cmax){ //stop when only one value left
   uint16_t _valuesLeft=adcmedianvalues;
 
 
   while (_valuesLeft>2 && _valuesLeft>(uint16_t)(adcmedianvalues*adcFilterKeepMedianvaluesFactor)) 
   {
-    cmin=MAXDOUBLEVALUE;
-    cmax=-MAXDOUBLEVALUE-1;
+    cmin=MAXVALUE;
+    cmax=-MAXVALUE-1;
     for (uint16_t i=0;i<adcmedianvalues;i++){
       if (!mask[i]){
         if (weightseries[i]<cmin){
@@ -979,18 +984,18 @@ double getWeightFiltered() {
   return sum/meanvalues;
 }
 
-float getWeightSeriesMin()
+double getWeightSeriesMin()
 {
-  float cmin=MAXDOUBLEVALUE;
+  double cmin=MAXVALUE;
   for (uint16_t i=0;i<adcmedianvalues;i++){
     if (weightseries[i]<cmin)
      cmin=weightseries[i]; 
   }
   return cmin;
 }
-float getWeightSeriesMax()
+double getWeightSeriesMax()
 {
-  float cmax=0;
+  double cmax=0;
   for (uint16_t i=0;i<adcmedianvalues;i++){
     if (weightseries[i]>cmax)
      cmax=weightseries[i];