We need to at least setup the serial port before we try to blast

config data to it.  My system was hanging during boot because cat
was couldn't output gps.init to the port.

1 files changed, 24 insertions, 20 deletions

diff --git a/etc/inc/system.inc b/etc/inc/system.inc
index 4e534c8..94d71d1 100644
--- a/etc/inc/system.inc
+++ b/etc/inc/system.inc
@@ -1435,6 +1435,30 @@ function system_ntp_setup_gps($serialport) {
 	unlink_if_exists($gps_device);
 	@symlink($serialport, $gps_device);
 
+	$gpsbaud = '4800';
+	if (is_array($config['ntpd']) && is_array($config['ntpd']['gps']) && !empty($config['ntpd']['gps']['speed'])) {
+		switch ($config['ntpd']['gps']['speed']) {
+			case '16':
+				$gpsbaud = '9600';
+				break;
+			case '32':
+				$gpsbaud = '19200';
+				break;
+			case '48':
+				$gpsbaud = '38400';
+				break;
+			case '64':
+				$gpsbaud = '57600';
+				break;
+			case '80':
+				$gpsbaud = '115200';
+				break;
+		}
+	}
+
+	/* Configure the serial port for raw IO and set the speed */
+	`stty -f {$serialport}.init raw speed {$gpsbaud}`
+
 	/* Send the following to the GPS port to initialize the GPS */
 	if (is_array($config['ntpd']) && is_array($config['ntpd']['gps']) && !empty($config['ntpd']['gps']['type'])) {
 		$gps_init = base64_decode($config['ntpd']['gps']['initcmd']);
@@ -1448,26 +1472,6 @@ function system_ntp_setup_gps($serialport) {
 
 	/* Add /etc/remote entry in case we need to read from the GPS with tip */
 	if (intval(`grep -c '^gps0' /etc/remote`) == 0) {
-		$gpsbaud = '4800';
-		if (is_array($config['ntpd']) && is_array($config['ntpd']['gps']) && !empty($config['ntpd']['gps']['speed'])) {
-			switch($config['ntpd']['gps']['speed']) {
-				case '16':
-					$gpsbaud = '9600';
-					break;
-				case '32':
-					$gpsbaud = '19200';
-					break;
-				case '48':
-					$gpsbaud = '38400';
-					break;
-				case '64':
-					$gpsbaud = '57600';
-					break;
-				case '80':
-					$gpsbaud = '115200';
-					break;
-			}
-		}
 		@file_put_contents("/etc/remote", "gps0:dv={$serialport}:br#{$gpsbaud}:pa=none:", FILE_APPEND);
 	}