83 lines
2.4 KiB
Python
83 lines
2.4 KiB
Python
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from ctypes import c_ubyte
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from UniTAP.dev.ports.modules.ag.earc import AudioGeneratorEARC
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from UniTAP.dev.modules.memory_manager import MemoryManager
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from UniTAP.libs.lib_tsi.tsi_io import PortIO
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import UniTAP.libs.lib_tsi.tsi_private_types as p_ci
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import UniTAP.libs.lib_tsi.tsi_types as ci
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from .earc_types import EarcControl, EarcMode, EarcStatus, EarcState, EarcHearthbeatState, EarcRxStatus
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class EarcTx:
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__MAX_EARC_EDID_SIZE = 128
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def __init__(self, port_io: PortIO, memory_manager: MemoryManager) -> None:
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self.__io = port_io
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self.__earc_ag = AudioGeneratorEARC(port_io, memory_manager)
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self.__control = self.__io.get(ci.TSI_HDRX_EARC_CTRL, EarcControl)[1]
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def configure(self, mode: EarcMode, latency: int, bypass: bool = False) -> None:
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self.__control.mode = mode
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self.__control.bypass = bypass
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self.__apply_control()
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self.__set_audio_latency(latency)
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def get_status(self) -> EarcStatus:
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"""
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Get eARC transmitter status.
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Returns:
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object of `EarcStatus` type.
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"""
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return self.__io.get(ci.TSI_HDRX_EARC_STS_R, EarcStatus)[1]
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def get_latency(self) -> int:
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"""
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Get current audio latency for eARC transmitter.
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Returns:
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object of `int` type.
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"""
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return self.__io.get(ci.TSI_HDRX_EARC_LATENCY, int)[1]
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def get_edid(self) -> bytearray:
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"""
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Get EDID data from eARC receiver.
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Returns:
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object of `bytearray` type.
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"""
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result, edid_data, size = self.__io.get(ci.TSI_HDRX_EARC_EDID_DATA, c_ubyte, self.__MAX_EARC_EDID_SIZE)
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if result > 0:
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return bytearray(edid_data[:result])
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else:
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return bytearray()
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@property
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def ag(self) -> AudioGeneratorEARC:
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"""
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Get audio generator for eARC transmitter.
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Returns:
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object of `AudioGeneratorEARC` type.
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"""
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return self.__earc_ag
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def __apply_control(self):
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"""
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Apply eARC control settings.
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"""
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self.__io.set(ci.TSI_HDRX_EARC_CTRL, self.__control)
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def __set_audio_latency(self, latency: int):
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"""
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Set audio latency request for eARC transmitter.
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Args:
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latency (int) - latency value to set
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"""
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self.__io.set(ci.TSI_HDRX_EARC_LATENCY_REQ, latency)
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