commit 0bca3ba0a9c28ffe49327ae42aa3f7ce50f7f9dd
author Brian Silverman <brians> Wed Mar 26 14:07:55 2014 -0700
committer Brian Silverman <brians> Wed Mar 26 14:10:29 2014 -0700
tree ce966899deca1eaa47a4311cbbcf90136378d9be
parent e12f8e480d65443b3e556ac60c2f96ae9ee00a76

got the output check stuff actually compiling and closer to working

frc971/input/sensor_receiver.cc

diff --git a/frc971/input/sensor_receiver.cc b/frc971/input/sensor_receiver.cc
index 3def0d7..199df99 100644
--- a/frc971/input/sensor_receiver.cc
+++ b/frc971/input/sensor_receiver.cc
@@ -71,7 +71,8 @@
 }
 
 double sonar_translate(uint32_t in) {
-  return static_cast<double>(in) / 1000.0 * 2.0;
+  return static_cast<double>(in) * 10.0 /*us/tick*/ / 147.0 /*in/us*/ *
+         0.0254 /*m/in*/;
 }
 
 double hall_translate(const constants::ShifterHallEffect &k, uint16_t in_low,