From 6849f8ca1cfbe0f044ee188bc4a4f86c528a4088 Mon Sep 17 00:00:00 2001
From: Fisch <interfisch@gmx.net>
Date: Thu, 18 Feb 2021 22:28:46 +0100
Subject: [PATCH] test calibration

---
 src/main.cpp | 63 +++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 55 insertions(+), 8 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 9a93d17..7f521b8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -11,18 +11,65 @@ HX711 scale;
 void setup() {
   Serial.begin(115200);
   scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
+
+
+  //calibration
+  Serial.println("setup");
+  scale.set_scale(23805); //calibrated with 2.25kg weight
+  delay(500);
+  scale.tare();
+  delay(2000);
+  Serial.println("tared. measuring...");
+  //after this taring put known weight on scale and get value from scale.get_units(10). then devide this value by the weight and use this number for set_scale(NUMBER)
+
+
+  /*
+  Serial.println("Before setting up the scale:");
+  Serial.print("read: \t\t");
+  Serial.println(scale.read());			// print a raw reading from the ADC
+
+  Serial.print("read average: \t\t");
+  Serial.println(scale.read_average(20));  	// print the average of 20 readings from the ADC
+
+  Serial.print("get value: \t\t");
+  Serial.println(scale.get_value(5));		// print the average of 5 readings from the ADC minus the tare weight (not set yet)
+
+  Serial.print("get units: \t\t");
+  Serial.println(scale.get_units(5), 1);	// print the average of 5 readings from the ADC minus tare weight (not set) divided
+						// by the SCALE parameter (not set yet)
+
+  scale.set_scale(2280.f);                      // this value is obtained by calibrating the scale with known weights; see the README for details
+  scale.tare();				        // reset the scale to 0
+
+  Serial.println("After setting up the scale:");
+
+  Serial.print("read: \t\t");
+  Serial.println(scale.read());                 // print a raw reading from the ADC
+
+  Serial.print("read average: \t\t");
+  Serial.println(scale.read_average(20));       // print the average of 20 readings from the ADC
+
+  Serial.print("get value: \t\t");
+  Serial.println(scale.get_value(5));		// print the average of 5 readings from the ADC minus the tare weight, set with tare()
+
+  Serial.print("get units: \t\t");
+  Serial.println(scale.get_units(5), 1);        // print the average of 5 readings from the ADC minus tare weight, divided
+						// by the SCALE parameter set with set_scale
+
+  Serial.println("Readings:");
+  */
 }
 
 void loop() {
 
-  if (scale.wait_ready_retry(10)) {
-    long reading = scale.read();
-    Serial.print("HX711 reading: ");
-    Serial.println(reading);
-  } else {
-    Serial.println("HX711 not found.");
-  }
+  Serial.print("reading:\t");
+  Serial.println(scale.get_units(10));
 
-  delay(1500);
+  delay(100);
+
+  /*
+  scale.power_down();			        // put the ADC in sleep mode
+  delay(5000);
+  scale.power_up();*/
   
 }
\ No newline at end of file