| 1 | #!/usr/bin/perl |
| 2 | use v5.14; |
| 3 | use warnings; |
| 4 | |
| 5 | use Device::SerialPort; |
| 6 | |
| 7 | my $program; |
| 8 | read STDIN, $program, 1000000; |
| 9 | |
| 10 | my $port = Device::SerialPort->new($ARGV[0] // '/dev/ttyUSB1') or die "$!"; |
| 11 | $port->baudrate(300); |
| 12 | $port->parity('none'); |
| 13 | $port->databits(8); |
| 14 | $port->stopbits(2); |
| 15 | $port->handshake('none'); |
| 16 | |
| 17 | $port->write_settings or die "$!"; |
| 18 | |
| 19 | my $bytes_written = $port->write($program); |
| 20 | my $bytes_to_write = length $program; |
| 21 | die "Only wrote $bytes_written instead of $bytes_to_write" unless $bytes_written == $bytes_to_write; |