From 3d525d6a3a54afe90ca337e40bd5610369206085 Mon Sep 17 00:00:00 2001
From: bach <bachir@figureslibres.io>
Date: Sun, 10 Dec 2023 17:19:23 +0100
Subject: [PATCH] accelStepper instead of stepper library, temperature every
 1min

---
 registre_airchaud_code.ino | 87 +++++++++++++++++++++-----------------
 1 file changed, 49 insertions(+), 38 deletions(-)

diff --git a/registre_airchaud_code.ino b/registre_airchaud_code.ino
index 76e96d6..5e573a0 100644
--- a/registre_airchaud_code.ino
+++ b/registre_airchaud_code.ino
@@ -36,27 +36,27 @@ MyMessage dimmerMsg(ROTATION_CHILD_ID, V_DIMMER);
 MyMessage lightMsg(ROTATION_CHILD_ID, V_LIGHT); // we need init light message to make the dimmer appear in HA
 MyMessage msgTemp(CHILD_ID_TEMP, V_TEMP);
 
-/* 
-control a 28BYJ-48 stepper motor with ULN2003 driver board
-https://www.makerguides.com/28byj-48-stepper-motor-arduino-tutorial/
-*/
-#include "Stepper.h"
-// Define number of steps per rotation:
-const int stepsPerRevolution = 2048; // can be 4096
+// https://lastminuteengineers.com/28byj48-stepper-motor-arduino-tutorial/
+#include "AccelStepper.h"
+
+
 // ULN2003 Wiring:
-// Pin 3 to IN1
-// Pin 4 to IN2
-// Pin 5 to IN3
-// Pin 6 to IN4
+const int In1 = 3;
+const int In2 = 4;
+const int In3 = 5;
+const int In4 = 6;
 
 // Create stepper object called 'myStepper', note the pin order:
-Stepper myStepper = Stepper(stepsPerRevolution, 3, 5, 4, 6);
+AccelStepper myStepper(4, In1, In3, In2, In4);
 
 int prevDimValue=0;
 int newDimValue=0;
 char convBuffer[10];
 
+int pos=0;
 
+unsigned long previousMillis = 0;
+const long tempInterval = 60000;
 float DTemp;
 float old_DTemp;
 
@@ -67,7 +67,7 @@ void presentation()
     Serial.println("- - - - - presentation - - - - -");
   #endif
   
-  sendSketchInfo("Registre Air Chaud", "0.2");
+  sendSketchInfo("Registre Air Chaud", "0.3");
 
   present(ROTATION_CHILD_ID, S_DIMMER, "rotation");
   present(CHILD_ID_TEMP, S_TEMP, "Temperature");
@@ -78,10 +78,13 @@ void setup() {
     Serial.println("- - - - - setup - - - - -");
   #endif
   
-  myStepper.setSpeed(5); // Set the speed to 5 rpm:
-
+  myStepper.setMaxSpeed(1000.0);
+  myStepper.setAcceleration(50.0);
+  myStepper.setSpeed(200);
+  // myStepper.moveTo(2038);
   // todo make a homing of stepper motor OR find a way to sensorize where it is
-  
+  myStepper.setCurrentPosition(0);
+
   send(dimmerMsg.set(prevDimValue));
   send(lightMsg.set(1));
 
@@ -93,16 +96,37 @@ void loop() {
     // Serial.println("- - - - - loop - - - - -");
   #endif
 
-  sensors.requestTemperatures();
-  old_DTemp = DTemp;
-  DTemp = sensors.getTempCByIndex(0);
-  if (DTemp != old_DTemp && DTemp != -127)
+  unsigned long currentMillis = millis();
+  // do measurement every one minute
+  if (currentMillis - previousMillis >= tempInterval)
   {
-    send(msgTemp.set(DTemp, 1));
+    previousMillis = currentMillis;
+    sensors.requestTemperatures();
     old_DTemp = DTemp;
+    DTemp = sensors.getTempCByIndex(0);
+    if (DTemp != old_DTemp && DTemp != -127)
+    {
+      send(msgTemp.set(DTemp, 1));
+      old_DTemp = DTemp;
+    }
   }
   
-  delay(5000);
+  // myStepper.moveTo(myStepper.currentPosition() + 2048);
+
+  // delay(5000);
+
+  // Change direction once the motor reaches target position
+	// if (myStepper.distanceToGo() == 0) 
+	// 	myStepper.moveTo(-myStepper.currentPosition());
+
+	// Move the motor one step
+	if(!myStepper.run()){
+    // release the stepper motor to free power consumption
+    digitalWrite(In1, 0);
+    digitalWrite(In2, 0);
+    digitalWrite(In3, 0);
+    digitalWrite(In4, 0);
+  }
 }
 
 // Handle incoming messages 
@@ -134,21 +158,8 @@ void receive(const MyMessage &message) {
       Serial.println(newDimValue);
     #endif
     
-    int quart = stepsPerRevolution / 4; // how many rotation do we want max (here 45° so from 0 to 512 steps)
-    int diff = prevDimValue - newDimValue; // get the difference between the previous and the new dimm value
-    prevDimValue = newDimValue; // record new dimm as previous dimm
-    int steps = (quart / 100) * diff; // convert diff on percent to steps
-    #ifdef MY_DEBUG
-      Serial.print("quart: ");
-      Serial.println(quart);
-      Serial.print("diff: ");
-      Serial.println(diff);
-      Serial.print("steps: ");
-      Serial.println(steps);
-    #endif
-    
-    myStepper.step(steps); // move the stepper
-
-    // todo release the stepper motor to free power consumption
+    // todo instead of 1 revolution (2038) define how much revolution we want to do for full opening (100% of the dimmer in HA)
+    pos = (2038 / 100) * newDimValue;
+    myStepper.moveTo(pos); // move the stepper
   }
 }
\ No newline at end of file