58 lines
1.6 KiB
Python
58 lines
1.6 KiB
Python
from UniTAP.libs.lib_tsi.tsi_io import PortIO
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from .types import LinkMode
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from UniTAP.libs.lib_tsi.tsi_types import TSI_HDRX_LINK_STATUS_R
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from ctypes import c_uint32
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class TmdsRx:
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"""
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CLass `TmdsRx` allows working with TMDS on Sink (RX - receiver) side.
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- Get link mode `link_mode`.
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- Get clock rate `clock_rate`.
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- Get input stream lock state `input_stream_lock`.
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"""
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def __init__(self, port_io: PortIO):
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self.__io = port_io
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self.__link_mode = LinkMode.Unknown
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self.__input_stream_lock = False
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def __read_link_status(self) -> int:
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return self.__io.get(TSI_HDRX_LINK_STATUS_R, c_uint32)[1]
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@property
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def clock_rate(self) -> int:
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"""
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Returns current clock rate.
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Returns:
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object of int type
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"""
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return 6 if self.__read_link_status() & 0x2 else 3
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@property
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def link_mode(self) -> LinkMode:
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"""
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Returns current link mode.
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Returns:
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object of `LinkMode` type
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"""
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self.__link_mode = LinkMode(self.__read_link_status() & 0x8)
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return self.__link_mode
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@property
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def input_stream_lock(self) -> bool:
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"""
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Returns current state of input stream lock.
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Returns:
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object of bool type
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"""
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self.__input_stream_lock = (self.__read_link_status() & 0x4) != 0
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return self.__input_stream_lock
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def __str__(self):
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return f"Clock rate: {self.clock_rate}G\n" \
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f"Link mode: {self.link_mode.name}\n" \
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f"Input stream lock: {'Enable' if self.input_stream_lock else 'Disable'}"
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