Add shooter class and python.

Change-Id: I27b4c8f282a0b80344a7df59cf3b04569d9c8110
diff --git a/y2020/control_loops/python/accelerator.py b/y2020/control_loops/python/accelerator.py
new file mode 100644
index 0000000..257ed23
--- /dev/null
+++ b/y2020/control_loops/python/accelerator.py
@@ -0,0 +1,46 @@
+#!/usr/bin/python
+
+from frc971.control_loops.python import control_loop
+from y2020.control_loops.python import flywheel
+import numpy
+
+import sys
+
+import gflags
+import glog
+
+FLAGS = gflags.FLAGS
+
+gflags.DEFINE_bool('plot', False, 'If true, plot the loop response.')
+
+kAccelerator = flywheel.FlywheelParams(
+    name='Accelerator',
+    motor=control_loop.Falcon(),
+    G=1.0,
+    J=0.006,
+    q_pos=0.08,
+    q_vel=4.00,
+    q_voltage=0.3,
+    r_pos=0.05,
+    controller_poles=[.87],
+    dt=0.00505)
+
+
+def main(argv):
+    if FLAGS.plot:
+        R = numpy.matrix([[0.0], [100.0], [0.0]])
+        flywheel.PlotSpinup(kAccelerator, goal=R, iterations=200)
+        return 0
+
+    if len(argv) != 5:
+        glog.fatal('Expected .h file name and .cc file name')
+    else:
+        namespaces = [
+            'y2020', 'control_loops', 'superstructure', 'accelerator'
+        ]
+        flywheel.WriteFlywheel(kAccelerator, argv[1:3], argv[3:5], namespaces)
+
+
+if __name__ == '__main__':
+    argv = FLAGS(sys.argv)
+    sys.exit(main(argv))