Make initial bot3 folder and structure.

Change-Id: I9b7e97fe8533b99a28ab15b4ade5e9ac95c7d836
diff --git a/bot3/joystick_reader.cc b/bot3/joystick_reader.cc
new file mode 100644
index 0000000..fd7f36b
--- /dev/null
+++ b/bot3/joystick_reader.cc
@@ -0,0 +1,148 @@
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <math.h>
+
+#include "aos/linux_code/init.h"
+#include "aos/prime/input/joystick_input.h"
+#include "aos/common/input/driver_station_data.h"
+#include "aos/common/logging/logging.h"
+#include "aos/common/util/log_interval.h"
+#include "aos/common/time.h"
+#include "aos/common/actions/actions.h"
+
+#include "bot3/control_loops/drivetrain/drivetrain.q.h"
+#include "frc971/queues/gyro.q.h"
+#include "bot3/autonomous/auto.q.h"
+
+using ::bot3::control_loops::drivetrain_queue;
+using ::frc971::sensors::gyro_reading;
+
+using ::aos::input::driver_station::ButtonLocation;
+using ::aos::input::driver_station::POVLocation;
+using ::aos::input::driver_station::JoystickAxis;
+using ::aos::input::driver_station::ControlBit;
+
+namespace bot3 {
+namespace input {
+namespace joysticks {
+
+const JoystickAxis kSteeringWheel(1, 1), kDriveThrottle(2, 2);
+const ButtonLocation kShiftHigh(2, 1), kShiftLow(2, 3);
+const ButtonLocation kQuickTurn(1, 5);
+
+// TODO(comran): Figure out the actions we need.
+
+class Reader : public ::aos::input::JoystickInput {
+ public:
+  Reader() : was_running_(false) {}
+
+  virtual void RunIteration(const ::aos::input::driver_station::Data &data) {
+    bool last_auto_running = auto_running_;
+    auto_running_ = data.GetControlBit(ControlBit::kAutonomous) &&
+                    data.GetControlBit(ControlBit::kEnabled);
+    if (auto_running_ != last_auto_running) {
+      if (auto_running_) {
+        StartAuto();
+      } else {
+        StopAuto();
+      }
+    }
+
+    if (!data.GetControlBit(ControlBit::kAutonomous)) {
+      HandleDrivetrain(data);
+      HandleTeleop(data);
+    }
+  }
+
+  void HandleDrivetrain(const ::aos::input::driver_station::Data &data) {
+    const double wheel = -data.GetAxis(kSteeringWheel);
+    const double throttle = -data.GetAxis(kDriveThrottle);
+
+    if (!drivetrain_queue.goal.MakeWithBuilder()
+             .steering(wheel)
+             .throttle(throttle)
+             .quickturn(data.IsPressed(kQuickTurn))
+             .control_loop_driving(false)
+             .Send()) {
+      LOG(WARNING, "sending stick values failed\n");
+    }
+  }
+
+  void HandleTeleop(const ::aos::input::driver_station::Data &data) {
+    if (!data.GetControlBit(ControlBit::kEnabled)) {
+      action_queue_.CancelAllActions();
+      LOG(DEBUG, "Canceling\n");
+    }
+
+    // TODO(comran): Run stuff when buttons are pushed.
+
+    // TODO(comran): If it cannot get a status from the superstructure...
+    /*
+    if (!superstructure_queue.status.get()) {
+      LOG(ERROR, "Got no superstructure status packet.\n");
+    }
+    */
+
+    // TODO(comran): If everything looks good, start teleop.
+    /*if (superstructure_queue.status.get() && superstructure_queue.status->zeroed) {
+      if (waiting_for_zero_) {
+        LOG(INFO, "Zeroed! Starting teleop mode.\n");
+        waiting_for_zero_ = false;
+
+        // Set the initial goals to where we are now.
+        superstructure_goal_ = 0.0;
+      }
+    } else {
+      waiting_for_zero_ = true;
+    }*/
+
+    if (!waiting_for_zero_) {
+      if (!action_queue_.Running()) {
+        // TODO(comran): Send some goals.
+      }
+    }
+
+    if (action_queue_.Running()) {
+      // If we are running an action, update our goals to the current goals.
+      // TODO(comran): Do this for each superstructure queue.
+    }
+    action_queue_.Tick();
+    was_running_ = action_queue_.Running();
+  }
+
+ private:
+  void StartAuto() {
+    LOG(INFO, "Starting auto mode\n");
+    ::bot3::autonomous::autonomous.MakeWithBuilder().run_auto(true).Send();
+  }
+
+  void StopAuto() {
+    LOG(INFO, "Stopping auto mode\n");
+    ::bot3::autonomous::autonomous.MakeWithBuilder().run_auto(false).Send();
+  }
+
+  bool was_running_;
+
+  // If we're waiting for the subsystems to zero.
+  bool waiting_for_zero_ = true;
+
+  bool auto_running_ = false;
+
+  ::aos::common::actions::ActionQueue action_queue_;
+
+  ::aos::util::SimpleLogInterval no_drivetrain_status_ =
+      ::aos::util::SimpleLogInterval(::aos::time::Time::InSeconds(0.2), WARNING,
+                                     "no drivetrain status");
+};
+
+}  // namespace joysticks
+}  // namespace input
+}  // namespace bot3
+
+int main() {
+  ::aos::Init();
+  ::bot3::input::joysticks::Reader reader;
+  reader.Run();
+  ::aos::Cleanup();
+}