commit 228886ff1c9700ad2cfd67a0ffbc1c4b3609e74e
Author: Jared Dunbar <jrddunbr@ja4.org>
Date:   Tue Aug 29 17:36:46 2023 -0400

    Add initial impl

diff --git a/RadioRecieverController.ino b/RadioRecieverController.ino
new file mode 100644
index 0000000..b1bc9f8
--- /dev/null
+++ b/RadioRecieverController.ino
@@ -0,0 +1,134 @@
+#define HORN 5
+#define BELL 6
+#define FL 7
+#define RL 8
+#define DLFL 9
+#define DLFR 10
+#define DLRL 11
+#define DLRR 12
+
+#include <ServoInput.h>
+
+// Throttle Setup
+const int ThrottleSignalPin = 2;  // MUST be interrupt-capable!
+const int ThrottlePulseMin = 1000;  // microseconds (us)
+const int ThrottlePulseMax = 2000;  // Ideal values for your servo can be found with the "Calibration" example
+
+// Steering Setup
+const int SteeringSignalPin = 3;  // MUST be interrupt-capable!
+const int SteeringPulseMin = 1000;  // microseconds (us)
+const int SteeringPulseMax = 2000;  // Ideal values for your servo can be found with the "Calibration" example
+
+ServoInputPin<SteeringSignalPin> steering(SteeringPulseMin, SteeringPulseMax);
+ServoInputPin<ThrottleSignalPin> throttle(ThrottlePulseMin, ThrottlePulseMax);
+
+bool bell = false;
+bool horn = false;
+long bell_delay = 0; 
+
+void initTrack() {
+  Serial.println("<1 JOIN>");
+}
+
+void setDccState(bool horn, bool bell) {
+  if (bell) {Serial.println("<F 3333 1 1>");} else {Serial.println("<F 3333 1 0>");}
+  if (horn) {Serial.println("<F 3333 2 1>");} else {Serial.println("<F 3333 2 0>");}
+  while(Serial.available()) {Serial.read();}
+}
+
+void setup() {
+  pinMode(HORN, OUTPUT);
+  pinMode(BELL, OUTPUT);
+  pinMode(FL, OUTPUT);
+  pinMode(RL, OUTPUT);
+  pinMode(DLFL, OUTPUT);
+  pinMode(DLFR, OUTPUT);
+  pinMode(DLRL, OUTPUT);
+  pinMode(DLRR, OUTPUT);
+  Serial.begin(115200);
+
+	while (!ServoInput.available()) {  // wait for all signals to be ready
+		delay(500);
+	}
+  initTrack();
+}
+
+void forward_lights() {
+  digitalWrite(FL, HIGH);
+  digitalWrite(RL, LOW);
+}
+
+void reverse_lights() {
+  digitalWrite(FL, LOW);
+  digitalWrite(RL, HIGH);
+}
+
+long ditch_light_delay = 0;
+bool ditch_light_state = false;
+int last_state = 1;
+
+void runDitchLights(int state) {
+  if (ditch_light_delay + 1000 < millis()) {
+    ditch_light_state = !ditch_light_state;
+    ditch_light_delay = millis();
+  }
+  if(state != 0) {
+    last_state = state;
+  }
+  if (last_state == 1) {
+    digitalWrite(DLFL, ditch_light_state);
+    digitalWrite(DLFR, !ditch_light_state);
+    digitalWrite(DLRL, LOW);
+    digitalWrite(DLRR, LOW);
+  } else if (last_state == -1) {
+    digitalWrite(DLFL, LOW);
+    digitalWrite(DLFR, LOW);
+    digitalWrite(DLRL, ditch_light_state);
+    digitalWrite(DLRR, !ditch_light_state);
+  }
+}
+
+bool forward = true;
+
+void loop() {
+
+	float steeringAngle = 90.0 - steering.getAngle();  // returns 0 - 180, subtracting from 90 to center at "0" and invert for "normal" steering
+
+	if (steeringAngle < -45 && bell_delay + 500 < millis()) {
+    bell = !bell;
+    bell_delay = millis();
+  }
+
+  horn = steeringAngle > 45;
+
+  if (bell) {
+    digitalWrite(BELL, HIGH);
+  } else {
+    digitalWrite(BELL, LOW);
+  }
+  if (horn) {
+    digitalWrite(HORN, HIGH);
+  } else {
+    digitalWrite(HORN, LOW);
+  }
+
+	int throttlePercent = throttle.map(-100, 100);  // remap to a percentage both forward and reverse
+
+	if (throttlePercent >= 20) {
+    forward = true;
+	}
+	else if(throttlePercent <= -20) {
+    forward = false;
+	}
+
+  if (forward) {
+    forward_lights();
+    runDitchLights(1);
+  } else {
+    reverse_lights();
+    runDitchLights(-1);
+  }
+
+  setDccState(horn, bell);
+  delay(10);
+}