Move the swerve_drivetrain*.fbs files to frc971/control_loop/swerve

We had ended up with multiple folders, which was irritating.

Also, get rid of the speed fields of the position message until we can
do something with them.

Change-Id: I0eb48bfa8390e361e587f5b4c6c6fc122d730e16
Signed-off-by: James Kuszmaul <jabukuszmaul+collab@gmail.com>
diff --git a/frc971/control_loops/swerve/BUILD b/frc971/control_loops/swerve/BUILD
index e411fc9..4e06932 100644
--- a/frc971/control_loops/swerve/BUILD
+++ b/frc971/control_loops/swerve/BUILD
@@ -1,3 +1,19 @@
+load("//aos/flatbuffers:generate.bzl", "static_flatbuffer")
+
+static_flatbuffer(
+    name = "swerve_drivetrain_output_fbs",
+    srcs = ["swerve_drivetrain_output.fbs"],
+    visibility = ["//visibility:public"],
+    deps = ["//frc971/control_loops:can_talonfx_fbs"],
+)
+
+static_flatbuffer(
+    name = "swerve_drivetrain_position_fbs",
+    srcs = ["swerve_drivetrain_position.fbs"],
+    visibility = ["//visibility:public"],
+    deps = ["//frc971/control_loops:control_loops_fbs"],
+)
+
 py_binary(
     name = "simulation",
     srcs = [
diff --git a/frc971/control_loops/swerve/swerve_drivetrain_output.fbs b/frc971/control_loops/swerve/swerve_drivetrain_output.fbs
new file mode 100644
index 0000000..43ba0ed
--- /dev/null
+++ b/frc971/control_loops/swerve/swerve_drivetrain_output.fbs
@@ -0,0 +1,16 @@
+namespace frc971.control_loops.drivetrain.swerve;
+
+table SwerveModuleOutput {
+  // Current in Amps.
+  rotation_current:double (id: 0);
+  translation_current:double (id: 1);
+}
+
+table Output {
+  front_left_output:SwerveModuleOutput (id: 0);
+  front_right_output:SwerveModuleOutput (id: 1);
+  back_left_output:SwerveModuleOutput (id: 2);
+  back_right_output:SwerveModuleOutput (id: 3);
+}
+
+root_type Output;
diff --git a/frc971/control_loops/swerve/swerve_drivetrain_position.fbs b/frc971/control_loops/swerve/swerve_drivetrain_position.fbs
new file mode 100644
index 0000000..bad8af1
--- /dev/null
+++ b/frc971/control_loops/swerve/swerve_drivetrain_position.fbs
@@ -0,0 +1,17 @@
+namespace frc971.control_loops.drivetrain.swerve;
+
+table SwerveModulePosition {
+  // Rotation in radians
+  rotation_encoder:double (id: 0);
+  // Translation in meters
+  translation_encoder:double (id: 1);
+}
+
+table Position {
+  front_left_position:SwerveModulePosition (id: 0);
+  front_right_position:SwerveModulePosition (id: 1);
+  back_left_position:SwerveModulePosition (id: 2);
+  back_right_position:SwerveModulePosition (id: 3);
+}
+
+root_type Position;