From af23a999ba9eb62a88dc981f49f0967a70e1fd5d Mon Sep 17 00:00:00 2001
From: Kunal Powar <kunalpowar1203@gmail.com>
Date: Sat, 5 Apr 2014 01:45:11 +0530
Subject: [PATCH] us020: make the state comparisons clearer

---
 sensor/us020/us020.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sensor/us020/us020.go b/sensor/us020/us020.go
index 035ee9d..7d9fddd 100644
--- a/sensor/us020/us020.go
+++ b/sensor/us020/us020.go
@@ -98,7 +98,7 @@ func (d *US020) Distance() (float64, error) {
 			return 0, err
 		}
 
-		if v != embd.Low {
+		if v == embd.High {
 			break
 		}
 	}
@@ -114,7 +114,7 @@ func (d *US020) Distance() (float64, error) {
 			return 0, err
 		}
 
-		if v != embd.High {
+		if v == embd.Low {
 			break
 		}
 	}