explain

apply_stimulation/apply_stimulation.ino

@@ -4,12 +4,20 @@
 const bool DEBUG = true; // Set to true to enable serial output
 const bool USE_DIGITAL = true; // Set to false to use analog output
 const int stimulationPin = 5; // PWM-capable pin
-const unsigned long delayBetweenStimulations = 1000; // microseconds (1ms delay for more stable serial transmission)
+const int buttonPin = 2; // Digital pin for button input
+const unsigned long delayBetweenEpochs = 1000; // microseconds (1ms delay for more stable serial transmission)
 const int threshold = 50; // Threshold for converting analog to digital
+const unsigned long debounceDelay = 50; // Debounce time in milliseconds
+
+int lastButtonState = HIGH; // Assuming a pull-up resistor is used
+unsigned long lastDebounceTime = 0;
 
 void setup() {
   pinMode(stimulationPin, OUTPUT);
-  Serial.begin(115200); // Increased baud rate for faster output
+  pinMode(buttonPin, INPUT_PULLUP);
+  if (DEBUG) {
+    Serial.begin(115200); // Increased baud rate for faster output
+  }
 }
 
 // Function to convert analog value to digital
@@ -26,21 +34,50 @@ void writeOutput(uint8_t value) {
   }
 }
 
-void loop() {
+// Function to send one complete epoch
+void sendEpoch() {
+  unsigned long startTime = micros();
   for (uint16_t i = 0; i < PATTERN_SIZE; i++) {
-    uint8_t stimulationValue = pgm_read_byte(&stimulation_pattern[i]);
+    uint8_t epochValue = pgm_read_byte(&stimulation_pattern[i]);
     
-    writeOutput(stimulationValue);
+    writeOutput(epochValue);
     
-    // Print the value based on the mode
-    if (USE_DIGITAL) {
-      Serial.println(analogToDigital(stimulationValue) ? 255 : 0);
-    } else {
-      Serial.println(stimulationValue);
+    // Print the value based on the mode, only if DEBUG is true
+    if (DEBUG) {
+      if (USE_DIGITAL) {
+        Serial.println(analogToDigital(epochValue) ? 255 : 0);
+      } else {
+        Serial.println(epochValue);
+      }
     }
     
-    delayMicroseconds(delayBetweenStimulations);
+    delayMicroseconds(delayBetweenEpochs);
   }
   
-  // Remove the long delay at the end to continuously send data
+  if (DEBUG) {
+    unsigned long endTime = micros();
+    Serial.print("Epoch complete. Duration (ms): ");
+    Serial.println((endTime - startTime) / 1000.0);
+  }
+}
+
+void loop() {
+  int reading = digitalRead(buttonPin);
+
+  if (reading != lastButtonState) {
+    lastDebounceTime = millis();
+  }
+
+  if ((millis() - lastDebounceTime) > debounceDelay) {
+    if (reading == LOW) { // Button is pressed (assuming pull-up resistor)
+      sendEpoch();
+      
+      // Wait for button release
+      while (digitalRead(buttonPin) == LOW) {
+        delay(10);
+      }
+    }
+  }
+
+  lastButtonState = reading;
 }