From: Dobrica Pavlinusic <dpavlin@rot13.org>
Date: Sun, 29 Sep 2019 09:43:04 +0000 (+0200)
Subject: die if we don't get data (usb unplug)
X-Git-Url: http://git.rot13.org/?p=air-quality;a=commitdiff_plain;h=cd19e805944e7cd6e9086ef0f4e848543cd423e7

die if we don't get data (usb unplug)
---

diff --git a/pms3003.pl b/pms3003.pl
index 2d52db8..4cb8b14 100755
--- a/pms3003.pl
+++ b/pms3003.pl
@@ -36,6 +36,7 @@ pm10_r
 while (1) {
 
 	my ($len, $string) = $s->read(24);
+	die $! if ! defined($len);
 	if ( $len > 0 ) {
 		my @v = unpack('n*', $string);
 		warn "# $len ",dump($string), dump( @v ), $/ if $debug;