|  line  | 
 stmt  | 
 bran  | 
 cond  | 
 sub  | 
 pod  | 
 time  | 
 code  | 
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 package RPi::LCD;  | 
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14714
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 use strict;  | 
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 use warnings;  | 
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 our $VERSION = '2.3601';  | 
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 use parent 'WiringPi::API';  | 
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 use RPi::WiringPi::Constant qw(:all);  | 
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11
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 sub new {  | 
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12
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     my $self = bless {}, shift;  | 
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13
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     if (! defined $ENV{RPI_PIN_SCHEME}){  | 
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         $self->setup_gpio();  | 
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     }  | 
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16
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     return $self;  | 
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18
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 sub init {  | 
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     my ($self, %params) = @_;  | 
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     my @required_args = qw(  | 
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         rows cols bits rs strb  | 
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         d0 d1 d2 d3 d4 d5 d6 d7  | 
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     );  | 
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26
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     for (@required_args){  | 
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27
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         if (! defined $params{$_}) {  | 
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28
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             die "\n'$_' is a required param for ::LCD::lcd_init()\n";  | 
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         }  | 
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     }  | 
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     my $fd = $self->lcd_init(%params);  | 
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     $self->_fd($fd);  | 
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35
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36
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     return $self->_fd();  | 
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 }  | 
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 sub home {  | 
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     $_[0]->lcd_home($_[0]->_fd);  | 
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 }  | 
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 sub clear {  | 
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     $_[0]->lcd_clear($_[0]->_fd);  | 
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 }  | 
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 sub display {  | 
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     my ($self, $state) = @_;  | 
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     $self->lcd_display($self->_fd, $state);  | 
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 }  | 
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 sub cursor {  | 
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     my ($self, $state) = @_;  | 
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     $self->lcd_cursor($self->_fd, $state);  | 
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 }  | 
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 sub cursor_blink {  | 
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     my ($self, $state) = @_;  | 
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54
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     $self->lcd_cursor_blink($self->_fd, $state);  | 
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 }  | 
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56
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 sub send_cmd {  | 
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57
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     my ($self, $cmd) = @_;  | 
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58
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     $self->lcd_send_cmd($self->_fd, $cmd);  | 
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59
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 }  | 
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60
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 sub position {  | 
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61
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     my ($self, $x, $y) = @_;  | 
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62
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     $self->lcd_position($self->_fd, $x, $y);  | 
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 }  | 
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64
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 sub char_def {  | 
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65
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     my ($self, $index, $data) = @_;  | 
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66
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     $self->lcd_char_def($self->_fd, $index, $data);  | 
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67
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 }  | 
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68
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 sub print_char {  | 
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69
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     my ($self, $data) = @_;  | 
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70
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     $self->lcd_put_char($self->_fd, $data);  | 
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71
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 }  | 
| 
72
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 sub print {  | 
| 
73
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     my ($self, $string) = @_;  | 
| 
74
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     $self->lcd_puts($self->_fd, $string);  | 
| 
75
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 }  | 
| 
76
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 sub _fd {  | 
| 
77
 | 
 
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     my ($self, $fd) = @_;  | 
| 
78
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     if (defined $fd){  | 
| 
79
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
         $self->{fd} = $fd;  | 
| 
80
 | 
 
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 | 
     }  | 
| 
81
 | 
 
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     return $self->{fd}  | 
| 
82
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 }  | 
| 
83
 | 
 
 | 
 
 | 
 
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 | 
 
 | 
 
 | 
 1;  | 
| 
84
 | 
 
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 __END__  |