From ddb626ac4f1cb69d50d4c6581017e5b50c2135eb Mon Sep 17 00:00:00 2001
From: Gregor Riepl <onitake@gmail.com>
Date: Wed, 5 May 2021 23:21:02 +0200
Subject: [PATCH] Fixed command error handling

---
 uncanny/display.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/uncanny/display.go b/uncanny/display.go
index f7081ba..61ab621 100644
--- a/uncanny/display.go
+++ b/uncanny/display.go
@@ -31,7 +31,10 @@ func (c *Can) DisplayWrite(line int, a []byte) error {
 	// print in separate chunks, as one frame payload is limited to 7 bytes
 	// the display has only 16 characters per line, so we truncate there
 	for i := 0; i < len(a) && i < 16; i += 7 {
-		return c.bus.Publish(DisplayCommand{addr, a[i:i+7]}.Encode())
+		err := c.bus.Publish(DisplayCommand{addr, a[i:i+7]}.Encode())
+		if err != nil {
+			return err
+		}
 	}
 	return nil
 }