diff --git a/.gitignore b/.gitignore
index c601e49..c095636 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,10 @@
 *.exe
 *.csv
 output
-public
\ No newline at end of file
+public
+
+.pio
+.vscode/.browse.c_cpp.db*
+.vscode/c_cpp_properties.json
+.vscode/launch.json
+.vscode/ipch
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0d580c4..2a5a6be 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,7 +13,7 @@ build:
   stage: build
   script:
     - mkdir public
-    - g++ ./src/main.cpp -I include -o ./public/sim.out
+    - g++ ./src/main.cpp -I include -o ./public/sim.out -D NATIVE -Wall
     - ./public/sim.out
     - mv simOut.csv public
   artifacts:
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 986e8c3..78f8c5e 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -2,6 +2,7 @@
     "recommendations": [
         "ms-vscode.cpptools",
         "wayou.vscode-todo-highlight",
-        "usernamehw.errorlens"
+        "usernamehw.errorlens",
+        "platformio.platformio-ide"
     ]
 }
\ No newline at end of file
diff --git a/include/sim.h b/include/sim.h
index dd8cec0..0904153 100644
--- a/include/sim.h
+++ b/include/sim.h
@@ -36,6 +36,8 @@ void burnStartTimeCalc(Vehicle &State) {
 
     else if ((i > 3.382) && (i < 3.46))
       thrust = -195.78 * i + 675.11;
+    else
+      thrust = 0;
 
     velocity = (((thrust / mass) + g) * dt) + velocity;
     h = (((thrust / mass) + g) * dt) + h;
diff --git a/include/teensy.h b/include/teensy.h
index 8e15ad9..7de4d12 100644
--- a/include/teensy.h
+++ b/include/teensy.h
@@ -2,10 +2,12 @@
 
 #include <Arduino.h>
 
+void thrustInfo(struct Vehicle &);
+void processTVC(struct Vehicle &);
+void write2CSV(struct outVector &, struct Vehicle &);
+void printSimResults(struct Vehicle &);
+
 double loadCellCalibrate();
-void thrustInfo();
-void processTVC();
-void write2csv();
 
 double loadCellCalibrate() {
   // place code to calibrate load cells in here
diff --git a/platformio.ini b/platformio.ini
new file mode 100644
index 0000000..dcd71dc
--- /dev/null
+++ b/platformio.ini
@@ -0,0 +1,20 @@
+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+
+[env:NATIVE]
+platform = native
+build_flags = -std=c++11 -Wall -O1 -D NATIVE
+
+[env:teensy41]
+platform = teensy
+board = teensy41
+framework = arduino
+build_flags = -std=c++11 -Wall -O1 -D TEENSY
diff --git a/src/main.cpp b/src/main.cpp
index cf97135..8eac4da 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -11,9 +11,9 @@
 #include "Vehicle.h"
 #include "sim.h"
 
-#if defined(_WIN32) || defined(linux)
+#if defined(NATIVE) || defined(_WIN32)
 #include "native.h"
-#elif TEENSY
+#elif defined(TEENSY)
 #include "teensy.h"
 #endif
 
@@ -21,14 +21,14 @@ Vehicle State;
 Vehicle PrevState;
 outVector stateVector;
 
-#if defined(_WIN32) || defined(linux)
+#if defined(NATIVE) || defined(_WIN32)
 void setup() {
   init_Vehicle(State);
 
   // Determine when to burn
   burnStartTimeCalc(State);
 }
-#elif TEENSY
+#elif defined(TEENSY)
 void setup() {
   init_Vehicle(State);