Some initial progress

.gitignore

@@ -1 +1,2 @@
 .pio
+src/wifi.h

lib/SyRen50/src/Syren50.cpp

@@ -0,0 +1,39 @@
+#include "Arduino.h"
+#include <stdint.h>
+#include "Syren50.h"
+
+void Syren50::init() {
+    Serial1.begin(9600);
+    delay(1000); // Give about 1 second to boot up, per datasheet
+    Serial.write(0b10101010);
+}
+
+void Syren50::command(uint8_t command, uint8_t data) {
+    Serial1.write(0x80); // Address
+    Serial1.write(command); // Command
+    Serial1.write(data);
+    Serial1.write((0x80 + command + data) & 0b01111111); // Checksum
+    Serial1.flush();
+}
+
+void Syren50::forwards(uint8_t speed) {
+    command(0x00, speed);
+}
+
+void Syren50::reverse(uint8_t speed) {
+    command(0x01, speed);
+}
+
+void Syren50::move(int8_t direction, uint8_t speed) {
+    if (direction == 1) {
+        forwards(speed);
+    } else if (direction == -1) {
+        reverse(speed);
+    } else {
+        forwards(0);
+    }
+}
+
+void Syren50::minInputVoltage(float voltage) {
+    command(0x03, (uint8_t)((voltage - 6.0) * 5.0));
+}

lib/SyRen50/src/Syren50.h

@@ -0,0 +1,18 @@
+#ifndef SYREN50_H
+#define SYREN50_H
+
+#include <stdint.h>
+
+class Syren50 {
+public:
+  void init();
+  void forwards(uint8_t speed);
+  void reverse(uint8_t speed);
+  void move(int8_t direction, uint8_t speed);
+  void minInputVoltage(float voltage);
+
+  private:
+    void command(uint8_t command, uint8_t data);
+};
+
+#endif

platformio.ini

@@ -7,3 +7,18 @@
 ;
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
+
+
+[platformio]
+default_envs = esp12e
+name = WiFiTrainReceiver
+
+[env:esp12e]
+platform = espressif8266
+framework = arduino
+board = esp12e
+
+[env:nodemcuv2]
+platform = espressif8266
+framework = arduino
+board = nodemcuv2

src/main.cpp

@@ -0,0 +1,39 @@
+#include "Arduino.h"
+#include "wifi.h"
+#include <ESP8266WiFi.h>
+#include <string>
+#include "SyRen50.h"
+using namespace std;
+
+Syren50 motor;
+
+void setup() {
+    Serial.begin(9600);
+    // delay required for motor controller boot-up
+    delay(1000);
+    motor.init();
+}
+
+float throttle = 0.0f;
+uint8_t direction = 0;
+bool horn = false;
+bool bell = false;
+bool lights = false;
+
+uint8_t last_direction = 0;
+float last_throttle = 0.0f;
+
+void inertia(float throttle, uint8_t direction, float &inertial_throttle, uint8_t &inertial_direction) {
+    inertial_throttle = throttle;
+    inertial_direction = direction;
+}
+
+float motor_throttle;
+uint8_t motor_direction;
+
+void loop() {
+    //get_control_inputs(throttle, direction, horn, bell, lights);
+    inertia(throttle, direction, motor_throttle, motor_direction);
+    motor.move(motor_direction, motor_throttle);
+    delay(1);
+}