added support for different drivetrain gear ratios
We went down to 2 CIMs on the practice bot and reduce the pinion size,
so the code has to know how to deal with that.
diff --git a/frc971/constants.h b/frc971/constants.h
index 6a14e87..a1fc749 100644
--- a/frc971/constants.h
+++ b/frc971/constants.h
@@ -43,6 +43,10 @@
// Returns the deadband voltage to use.
bool angle_adjust_deadband(double *voltage);
+// Sets *pinion to the number of teeth on the pinion that drives the drivetrain
+// wheels.
+bool drivetrain_gearbox_pinion(int *pinion);
+
// Sets *center to how many pixels off center the vertical line
// on the camera view is.
bool camera_center(int *center);