Add basic hardware simulation

firmware/main/main.ino

@@ -3,7 +3,9 @@
 #include <Adafruit_SSD1306.h>
 #include <Adafruit_FeatherOLED.h>
 
+#include "hardware.h"
 
+#define SIMULATE 1
 #define DEBUG 0
 
 #define TIMEOUT_TIME 7000
@@ -58,6 +60,8 @@ int pressureSetPoint = 69;
 
 void setup()
 {
+	randomSeed(analogRead(A1));
+
 	Serial.begin(115200);
 
 	oled.init();
@@ -65,18 +69,20 @@ void setup()
 	pinMode(UP_BUTTON, INPUT_PULLUP);
 	pinMode(ENTER_BUTTON, INPUT); // Has external pullup
 	pinMode(DOWN_BUTTON, INPUT_PULLUP);
+
+#ifdef SIMULATE
+	initSimulation();
+#endif
 }
 
 void loop() {
-	measurePressure();
+	measurePressure(pressureValue, PRESSURE_SENSOR_PIN);
 	pollButtons();
 	runUI();
-}
 
-void measurePressure() {
-	int sensorValue = analogRead(PRESSURE_SENSOR_PIN);
-	float adjusted = 0.098 * sensorValue - 16.56 + 3.58;
-	pressureValue = 0.99 * pressureValue + 0.01 * adjusted;
+#ifdef SIMULATE
+	tickSimulation();
+#endif
 }
 
 void runUI() {
@@ -114,7 +120,7 @@ void runUI() {
 				nextState = PRESSURE;
 				timer = millis();
 			} else if (enterButton == HELD) {
-				;
+				setSoleniod(SOLENOID_DEFLATE);
 			} else if (upButton == PRESSED) {
 				screenState = SET_POINT;
 				pressureSetPoint = (int) pressureValue;