2016-06-30 13:18:56 +00:00
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.. -*- coding: utf-8; mode: rst -*-
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.. _FE_DISEQC_SEND_MASTER_CMD:
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*******************************
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ioctl FE_DISEQC_SEND_MASTER_CMD
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*******************************
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2016-07-05 18:14:35 +00:00
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Name
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2016-07-05 10:58:48 +00:00
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====
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2016-06-30 13:18:56 +00:00
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2016-07-05 10:58:48 +00:00
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FE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command
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2016-06-30 13:18:56 +00:00
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2016-07-05 18:14:35 +00:00
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Synopsis
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2016-06-30 13:18:56 +00:00
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========
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2016-08-19 19:56:15 +00:00
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.. c:function:: int ioctl( int fd, FE_DISEQC_SEND_MASTER_CMD, struct dvb_diseqc_master_cmd *argp )
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:name: FE_DISEQC_SEND_MASTER_CMD
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2016-06-30 13:18:56 +00:00
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2016-07-05 10:58:48 +00:00
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2016-07-05 18:14:35 +00:00
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Arguments
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2016-06-30 13:18:56 +00:00
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=========
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``fd``
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File descriptor returned by :ref:`open() <frontend_f_open>`.
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``argp``
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pointer to struct
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2016-08-29 20:37:59 +00:00
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:c:type:`dvb_diseqc_master_cmd`
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2016-06-30 13:18:56 +00:00
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2016-07-05 18:14:35 +00:00
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Description
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2016-06-30 13:18:56 +00:00
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===========
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Sends a DiSEqC command to the antenna subsystem.
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2016-08-30 13:21:03 +00:00
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.. c:type:: dvb_diseqc_master_cmd
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2016-07-05 18:22:59 +00:00
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[media] docs-rst: add tabularcolumns to all tables
LaTeX doesn't handle too well auto-width on tables, and ReST
markup requires an special tag to give it the needed hints.
As we're using A4 paper, we have 17cm of useful spaces. As
most media tables have widths, let's use it to generate the
needed via the following perl script:
my ($line_size, $table_header, $has_cols) = (17.5, 0, 0);
my $out;
my $header = "";
my @widths = ();
sub round { $_[0] > 0 ? int($_[0] + .5) : -int(-$_[0] + .5) }
while (<>) {
if (!$table_header) {
$has_cols = 1 if (m/..\s+tabularcolumns::/);
if (m/..\s+flat-table::/) {
$table_header = 1;
$header = $_;
next;
}
$out .= $_;
next;
}
$header .= $_;
@widths = split(/ /, $1) if (m/:widths:\s+(.*)/);
if (m/^\n$/) {
if (!$has_cols && @widths) {
my ($tot, $t, $i) = (0, 0, 0);
foreach my $v(@widths) { $tot += $v; };
$out .= ".. tabularcolumns:: |";
for ($i = 0; $i < scalar @widths - 1; $i++) {
my $v = $widths[$i];
my $w = round(10 * ($v * $line_size) / $tot) / 10;
$out .= sprintf "p{%.1fcm}|", $w;
$t += $w;
}
my $w = $line_size - $t;
$out .= sprintf "p{%.1fcm}|\n\n", $w;
}
$out .= $header;
$table_header = 0;
$has_cols = 0;
$header = "";
@widths = ();
}
}
print $out;
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-17 11:14:19 +00:00
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.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
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2016-06-30 13:18:56 +00:00
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.. flat-table:: struct dvb_diseqc_master_cmd
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:header-rows: 0
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:stub-columns: 0
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:widths: 1 1 2
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- .. row 1
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- uint8_t
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2016-07-13 11:43:30 +00:00
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- msg[6]
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2016-06-30 13:18:56 +00:00
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2016-07-13 11:43:30 +00:00
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- DiSEqC message (framing, address, command, data[3])
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2016-06-30 13:18:56 +00:00
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- .. row 2
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- uint8_t
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- msg_len
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- Length of the DiSEqC message. Valid values are 3 to 6
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2016-07-05 18:22:59 +00:00
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Return Value
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============
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On success 0 is returned, on error -1 and the ``errno`` variable is set
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appropriately. The generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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