1.1.0版本

UniTAP/dev/ports/modules/link/hdmi/tmds_rx.py

@@ -0,0 +1,57 @@
+from UniTAP.libs.lib_tsi.tsi_io import PortIO
+from .types import LinkMode
+from UniTAP.libs.lib_tsi.tsi_types import TSI_HDRX_LINK_STATUS_R
+from ctypes import c_uint32
+
+
+class TmdsRx:
+    """
+    CLass `TmdsRx` allows working with TMDS on Sink (RX - receiver) side.
+    - Get link mode `link_mode`.
+    - Get clock rate `clock_rate`.
+    - Get input stream lock state `input_stream_lock`.
+    """
+    def __init__(self, port_io: PortIO):
+        self.__io = port_io
+        self.__link_mode = LinkMode.Unknown
+        self.__input_stream_lock = False
+
+    def __read_link_status(self) -> int:
+        return self.__io.get(TSI_HDRX_LINK_STATUS_R, c_uint32)[1]
+
+    @property
+    def clock_rate(self) -> int:
+        """
+        Returns current clock rate.
+
+        Returns:
+            object of int type
+        """
+        return 6 if self.__read_link_status() & 0x2 else 3
+
+    @property
+    def link_mode(self) -> LinkMode:
+        """
+        Returns current link mode.
+
+        Returns:
+            object of `LinkMode` type
+        """
+        self.__link_mode = LinkMode(self.__read_link_status() & 0x8)
+        return self.__link_mode
+
+    @property
+    def input_stream_lock(self) -> bool:
+        """
+        Returns current state of input stream lock.
+
+        Returns:
+            object of bool type
+        """
+        self.__input_stream_lock = (self.__read_link_status() & 0x4) != 0
+        return self.__input_stream_lock
+
+    def __str__(self):
+        return f"Clock rate: {self.clock_rate}G\n" \
+               f"Link mode: {self.link_mode.name}\n" \
+               f"Input stream lock: {'Enable' if self.input_stream_lock else 'Disable'}"