70 lines
3.0 KiB
Groff
70 lines
3.0 KiB
Groff
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.TH LONGMYND 1
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.SH NAME
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longmynd \- Outputs transport streams from the Minitiouner DVB-S/S2 demodulator
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.SH SYNOPSIS
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.B longmynd \fR[\fB\-u\fR \fIUSB_BUS USB_DEVICE\fR]
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[\fB\-i\fR \fIMAIN_IP_ADDR\fR \fIMAIN_PORT\fR | \fB\-t\fR \fIMAIN_TS_FIFO\fR]
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[\fB\-I\fR \fISTATUS_IP_ADDR\fR \fISTATUS_PORT\fR | \fB\-s\fR \fIMAIN_STATUS_FIFO\fR]
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[\fB\-w\fR] [\fB\-b\fR] [\fB\-p\fR \fIh\fR | \fB\-p\fR \fIv\fR]
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\fIMAIN_FREQ\fR \fIMAIN_SR\fR
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.IR
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.SH DESCRIPTION
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.B longmynd
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Interfaces to the Minitiouner hardware to search for and demodulate a DVB-S or DVB-S2 stream. This stream can be output either to a local FIFO (using the default or -t option) or to an IP address/port via UDP.
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The Main TS stream is the one coming out of the Primary FTDI Board.
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.SH OPTIONS
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.TP
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.BR \-u " " \fIUSB_BUS\fR " " \fIUSB_DEVICE\fR
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Sets the USB Bus and USB Device Number of the required Minitiouner in a multi device system.
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Default uses the first detected Minitiouner.
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.TP
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.BR \-i " " \fIIP_ADDR\fR " " \fIPORT\fR
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If UDP output is required (instead of the default FIFO output), this option sets the IP Address and Port to send the Main TS Stream to.
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Default is to use a FIFO for Main TS Stream.
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.TP
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.BR \-I " " \fIIP_ADDR\fR " " \fIPORT\fR
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If UDP output is required (instead of the default FIFO output), this option sets the IP Address and Port to send the Main Status Stream to.
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Default is to use a FIFO for Main Status Stream.
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.TP
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.BR \-t " " \fITS_FIFO\fR
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Sets the name of the Main TS Stream output FIFO.
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Default is "./longmynd_main_ts".
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.TP
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.BR \-s " " \fISTATUS_FIFO\fR
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Sets the name of the Status output FIFO.
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Default is "./longmynd_main_status".
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.TP
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.BR \-w
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If selected, this option swaps over the RF input so that the Main TS Stream is fed from the BOTTOM F-Type of the NIM.
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Default uses the TOP RF input for the Main TS stream.
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.TP
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.BR \-b
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If selected, this option enables a tone audio output that will be present when DVB-S2 is being demodulated, and will increase in pitch for an increase in MER, to aid pointing.
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By default this option is disabled.
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.TP
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.BR \-p " " \fIh\fR " "| " "\-p " " \fIv\fR
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Controls and enables the LNB supply voltage output when an RT5047A LNB Voltage Regulator is fitted.
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"-p v" will set 13V output (Vertical Polarisation), "-p h" will set 18V output (Horizontal Polarisation).
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By default the RT5047A output is disabled.
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.TP
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.BR \fIMAIN_FREQ\fR
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specifies the starting frequency (in KHz) of the Main TS Stream search algorithm".
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.TP
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.BR \fIMAIN_SR\fR
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specifies the starting Symbol Rate (in KSPS) of the Main TS Stream search algorithm".
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.SH EXAMPLES
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.TP
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longmynd 2000 2000
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will find the first available Minitiouner, search for a 2MHz TS Stream at 2MSPS on the TOP RF input, output the TS to a FIFO called "longmynd_main_ts" and the status to a FIFO called "longmynd_main_status".
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.TP
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longmynd -w 2000 2000
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As above but uses the BOTTOM RF input.
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.TP
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longmynd -u 1 4 2000 2000
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As above but will attempt to find a minitiouner at usb device 4 on usb bus 1.
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.TP
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longmynd -i 192.168.1.1 87 2000 2000
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As above but any TS output will be to IP address 192.168.1.1 on port 87
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