specify port at command line

[huawei.git] / at-chat.pl

diff --git a/at-chat.pl b/at-chat.pl
index 7157a30..37fa988 100755 (executable)
--- a/at-chat.pl
+++ b/at-chat.pl
@@ -5,7 +5,7 @@ use strict;
 use Device::SerialPort;
 use Data::Dump qw(dump);
 
 use Device::SerialPort;
 use Data::Dump qw(dump);
 

-my $device = $ENV{DEVICE} || '/dev/ttyUSB0';
+my $device = $ENV{DEVICE} || shift @ARGV || '/dev/ttyUSB0';

 
 my $port = Device::SerialPort->new( $device ) || die "$device: $!";
 $port->baudrate(115200) || die "fail $device baudrate";
 
 my $port = Device::SerialPort->new( $device ) || die "$device: $!";
 $port->baudrate(115200) || die "fail $device baudrate";


@@ -35,7 +35,9 @@ sub c {
        print STDERR ">>> $cmd >>> $message\n";
        $port->write("$cmd\r");
 #      $port->write_done(1); # flush
        print STDERR ">>> $cmd >>> $message\n";
        $port->write("$cmd\r");
 #      $port->write_done(1); # flush

-       $port->write_drain;
+#      $port->write_drain;
+       $port->read( length($cmd) + 1 ); # slurp echo
+

        my $ret = $port->read(1);
 again:
        while ( my $c = $port->input ) {
        my $ret = $port->read(1);
 again:
        while ( my $c = $port->input ) {


@@ -49,9 +51,9 @@ again:
        return $ret;
 }
 
        return $ret;
 }
 

-c 'ATE0' => 'echo off';
-#c 'ATZ' => 'reset';
-#
+#c 'ATE0' => 'echo off';
+c 'ATZ' => 'reset';
+

 c 'ATI'  => 'info';
 
 c 'AT+CGMI'  => 'manufacturer';
 c 'ATI'  => 'info';
 
 c 'AT+CGMI'  => 'manufacturer';