Test-Stand/Overview.md

@@ -18,6 +18,9 @@ See here: https://git.ece.iastate.edu/danc/MicroCART/-/wikis/Test-Stand/Electron
 const int DATA_PIN = A7;
 const int BUTTON_PIN = 2;
 int buttonState = 0;
+const boolean NO_HANDSHAKE = false;
+const int SEND_CODE = 65;
+int incomingByte = 0;
 
 int val = 0;
 const double TEN_BIT_SCALAR = 0.3516; // 360/1024
@@ -41,6 +44,13 @@ boolean buttonActive = false;
 boolean longPressActive = false;
 boolean isInPositionMode = true;
 
+
+void serialFlush() {
+  while (Serial.available() > 0) {
+    char t = Serial.read();
+  }
+}
+
 void setup() {
   // put your setup code here, to run once:
   Serial.begin(9600);
@@ -54,20 +64,20 @@ void setup() {
 void loop() {
   currTime = millis();
   currReading = analogRead(DATA_PIN);
-  
-  if(digitalRead(BUTTON_PIN) == HIGH){
-    if(buttonActive == false){ // Button was not pressed last cycle
+
+  if (digitalRead(BUTTON_PIN) == HIGH) {
+    if (buttonActive == false) { // Button was not pressed last cycle
       buttonActive = true;
       buttonTimer = millis();
     }
-    if(((millis() - buttonTimer) > LONG_PRESS_MILLIS) && (longPressActive == false)){ // Detected a long press, swap modes
+    if (((millis() - buttonTimer) > LONG_PRESS_MILLIS) && (longPressActive == false)) { // Detected a long press, swap modes
       longPressActive = true;
-      isInPositionMode = !isInPositionMode; 
+      isInPositionMode = !isInPositionMode;
     }
-  } 
+  }
   else {
-    if(buttonActive == true){ // Button was being pressed last cycle
-      if(longPressActive == true){ // Button was being long pressed last cycle, user has released the long press
+    if (buttonActive == true) { // Button was being pressed last cycle
+      if (longPressActive == true) { // Button was being long pressed last cycle, user has released the long press
         longPressActive = false;
       }
       else { // Short press occured, grab current position regardless of mode
@@ -75,28 +85,38 @@ void loop() {
       }
       buttonActive = false;
     }
-  }  
-  
+  }
+
   // LED on if we're in position mode, off if we're in rate mode
   digitalWrite(LED_BUILTIN, isInPositionMode);
 
-  if(isInPositionMode == true){
+  if (isInPositionMode == true) {
     double absoluteDegrees = TEN_BIT_SCALAR * (double) currReading;
     double relativeDegrees = TEN_BIT_SCALAR * (double) homePosition;
     double displayPosition = absoluteDegrees - relativeDegrees;
-    displayPosition += (displayPosition < 0)?(360):(0);
-    Serial.println(displayPosition);
+    displayPosition += (displayPosition < 0) ? (360) : (0);
+    if (NO_HANDSHAKE) {
+      Serial.println(displayPosition);
+    }
+    else if (Serial.available() > 0 && Serial.read() == SEND_CODE) {
+      Serial.println("DEBUG");
+      Serial.println(displayPosition);
+    }
   }
-  else{ // We're in rate mode
+  else { // We're in rate mode
+
     deltaTime = currTime - lastTime;
     deltaReading = currReading - lastReading;
     rate = 1000 * ((TEN_BIT_SCALAR * deltaReading) / (deltaTime));
     Serial.println(rate);
-  }
+    delay(100);
 
+    }
   // Reset vars for next cycle
   lastTime = currTime;
   lastReading = currReading;
 }
 
+
+
 ```
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