60 lines
1.1 KiB
ReStructuredText
60 lines
1.1 KiB
ReStructuredText
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.. -*- coding: utf-8; mode: rst -*-
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.. _lirc_get_rec_mode:
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***********************
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ioctl LIRC_GET_REC_MODE
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***********************
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Name
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====
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LIRC_GET_REC_MODE - Get supported receive modes.
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Synopsis
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========
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.. cpp:function:: int ioctl( int fd, int request, __u32 rx_modes)
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Arguments
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=========
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``fd``
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File descriptor returned by open().
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``request``
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LIRC_GET_REC_MODE
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``rx_modes``
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Bitmask with the supported transmit modes.
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Description
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===========
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Get supported receive modes.
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Supported receive modes
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=======================
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.. _lirc-mode-mode2:
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``LIRC_MODE_MODE2``
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The driver returns a sequence of pulse and space codes to userspace.
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.. _lirc-mode-lirccode:
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``LIRC_MODE_LIRCCODE``
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The IR signal is decoded internally by the receiver. The LIRC interface
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returns the scancode as an integer value. This is the usual mode used
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by several TV media cards.
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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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