From 3a0d4d14ad4e93fc17de0d2355ad20a39a627d74 Mon Sep 17 00:00:00 2001
From: Daniel Kao <daniel.m.kao@gmail.com>
Date: Sun, 17 Nov 2019 15:38:16 -0800
Subject: [PATCH] Constrain ANGLE_TUNE setting

In case anyone wants to adjust it and doesn't have access to the register definition.
---
 firmware/production/production.ino | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/firmware/production/production.ino b/firmware/production/production.ino
index 1350e0f..56c6a4e 100644
--- a/firmware/production/production.ino
+++ b/firmware/production/production.ino
@@ -318,7 +318,8 @@ void initialisePMW3360(void) {
 
   // Rotate the x and y results, since the sensor isn't quite squared up in
   // the enclosure.
-  adnsWriteReg(ANGLE_TUNE, ROTATIONAL_TRANSFORM_ANGLE);
+  // Sensor rotates up to +/-30 degrees
+  adnsWriteReg(ANGLE_TUNE, constrain(ROTATIONAL_TRANSFORM_ANGLE, -30, 30));
 
   adnsComEnd();