--> refactor state

bake_out_ctrl/bake_out_ctrl.ino

@@ -14,7 +14,9 @@
 #define BREAKTEMP 10.0
 #define BREAKDEVTEMP 5.0 // max deviation before fail
 
-#define MAXVOLT 10
+#define MAXVOLT 10.0
+#define CTRLFACTOR 0.2
+
 
 #define MINTOSECOND 60
 #define HOURTOSECOND 3600
@@ -121,10 +123,14 @@ unsigned long get_rel_seconds() {
 }
 
 float get_current_temperature() {
-  float val = 0.0;
+  float val = analogRead(CONTROLLINO_AI12);
+  float ct  =  val/1023.0*MAXTEMP; //map(val, 0, 1023, 0.0, MAXTEMP);
+
+  Serial.print("temperature is: ");
+  Serial.print(ct);
+  Serial.println(" C\n");
 
-  val = analogRead(CONTROLLINO_AI12);
-  return  val/1023.0*MAXTEMP; //map(val, 0, 1023, 0.0, MAXTEMP);
+  return ct;
 }
 
 /*
@@ -143,7 +149,7 @@ unsigned long get_t3(){
 }
 
 char get_current_state() {
-  char state                 = 'n'; //u<n>defined
+  char state             = 'n'; //u<n>defined
   unsigned long rel_time = get_rel_seconds();
   unsigned long abs_time = get_abs_seconds();
 
@@ -167,6 +173,11 @@ char get_current_state() {
       state = 'e'; // <e>nd hold
     }
   }
+
+  Serial.print("current state is (w: waiting for start time, u:ramp up, b: bake out, d:ramp down, e: end hold): ");
+  Serial.print(state);
+  Serial.println("\n");
+
   return state;
 }
 
@@ -174,19 +185,39 @@ void set_indicators() {
   char state = get_current_state();
 
   switch(state){
-    case 'n':
+    case 'w':
       digitalWrite(CONTROLLINO_D0, true);
+      digitalWrite(CONTROLLINO_D1, false);
+      digitalWrite(CONTROLLINO_D2, false);
+      digitalWrite(CONTROLLINO_D3, false);
+      digitalWrite(CONTROLLINO_D4, false);
       break;
     case 'u':
+      digitalWrite(CONTROLLINO_D0, false);
       digitalWrite(CONTROLLINO_D1, true);
+      digitalWrite(CONTROLLINO_D2, false);
+      digitalWrite(CONTROLLINO_D3, false);
+      digitalWrite(CONTROLLINO_D4, false);
       break;
     case 'b':
+      digitalWrite(CONTROLLINO_D0, false);
+      digitalWrite(CONTROLLINO_D1, false);
       digitalWrite(CONTROLLINO_D2, true);
+      digitalWrite(CONTROLLINO_D3, false);
+      digitalWrite(CONTROLLINO_D4, false);
       break;
     case 'd':
+      digitalWrite(CONTROLLINO_D0, false);
+      digitalWrite(CONTROLLINO_D1, false);
+      digitalWrite(CONTROLLINO_D2, false);
       digitalWrite(CONTROLLINO_D3, true);
+      digitalWrite(CONTROLLINO_D4, false);
       break;
     case 'e':
+      digitalWrite(CONTROLLINO_D0, false);
+      digitalWrite(CONTROLLINO_D1, false);
+      digitalWrite(CONTROLLINO_D2, false);
+      digitalWrite(CONTROLLINO_D3, false);
       digitalWrite(CONTROLLINO_D4, true);
       break;
   }
@@ -220,21 +251,32 @@ float get_target_temperature() {
       target_temp = TARGETTEMPEND;
       break;
   }
+
+  Serial.print("temperature should: ");
+  Serial.print(target_temp);
+  Serial.println(" C\n");
+
   return target_temp;
 }
 
 
 void set_break_temperature(bool s) {
     digitalWrite(CONTROLLINO_D6, s);
+    digitalWrite(CONTROLLINO_RELAY_00, !s);
 }
 void set_under_temperature(bool s) {
-    digitalWrite(CONTROLLINO_D7, s);
+    digitalWrite(CONTROLLINO_D6, s);
+    digitalWrite(CONTROLLINO_RELAY_00, !s);
 }
 void set_over_temperature(bool s) {
-    digitalWrite(CONTROLLINO_D8, s);
+  // open R0 (Klemme1-2)
+    digitalWrite(CONTROLLINO_D7, s);
+    digitalWrite(CONTROLLINO_RELAY_00, !s);
 }
 void set_max_temperature(bool s) {
-    digitalWrite(CONTROLLINO_D9, s);
+  // open R0 (Klemme1-2)
+    digitalWrite(CONTROLLINO_D7, s);
+    digitalWrite(CONTROLLINO_RELAY_00, !s);
 }
 
 float get_rel_heatpower(float targ_temp, float curr_temp) {
@@ -267,29 +309,33 @@ float get_rel_heatpower(float targ_temp, float curr_temp) {
       set_under_temperature(false);
       p = d/BREAKDEVTEMP;
     }
-    return p;
-}
-
-void write_info_serial(char st, unsigned long se, float ct, float tt, float hp) {
-  Serial.print("current state is (w: waiting for start time, u:ramp up, b: bake out, d:ramp down, e: end hold): ");
-  Serial.print(st);
-  Serial.println("\n");
-
-  Serial.print("temperature is: ");
-  Serial.print(ct);
-  Serial.println(" C\n");
 
-  Serial.print("temperature should: ");
-  Serial.print(tt);
-  Serial.println(" C\n");
+    Serial.print("heat power target: ");
+    Serial.print(p);
+    Serial.print("\n");
 
-  Serial.print("abs. time is: ");
-  Serial.print(se);
-  Serial.println("sec\n");
+    return p;
+}
 
-  Serial.print("heat power target: ");
-  Serial.print(hp);
-  Serial.print("\n\n\n\n\n\n\n\n\n");
+void set_voltage() {
+  char s = get_current_state();
+  if (s == 'u' || s == 'b' || s == 'd' || s == 'e') {
+    float ct  = get_current_temperature();
+    float tt  = get_target_temperature();
+    float hp  = get_rel_heatpower(tt, ct);
+    float v   = hp*MAXVOLT*CTRLFACTOR;
+    float V   = v/MAXVOLT*255;
+
+    analogWrite(CONTROLLINO_AO0, V);
+    analogWrite(CONTROLLINO_AO1, V);
+
+    Serial.print("control voltage (0..255): ");
+    Serial.print(v);
+    Serial.print(" (");
+    Serial.print(V);
+    Serial.print(")");
+    Serial.print("\n");
+  }
 }
 
 void net_read(){
@@ -357,15 +403,9 @@ String net_exec(String cmd, String param) {
 
 void loop() {
 
-  char st           = get_current_state();
-  unsigned long se  = get_rel_seconds();
-  float ct          = get_current_temperature();
-  float tt          = get_target_temperature();
-  float hp          = get_rel_heatpower(tt, ct);
-
+  net_read();
+  set_voltage();
   set_indicators();
-  write_info_serial(st, se, ct, tt, hp);
 
-  net_read();
   delay(1000);
 }