kuba/TEF6686_Driver
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proper driver for tef

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KubaPro010
2026-02-17 22:28:51 +01:00
parent 454fff4019
commit bfb1e71d7d
6 changed files with 534 additions and 2 deletions
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tef.py Normal file
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from base_tef import BaseTEF668X, ADDRESS, Concatenate, P, T, Callable
from typing import overload, TypeVar
from functools import wraps
T = TypeVar("T")
@overload
def _command_wrapper(func: Callable[Concatenate["TEF6686", P],tuple[bytes, int | None, None],],) -> Callable[Concatenate["TEF6686", P], bytes]: ...
@overload
def _command_wrapper(func: Callable[Concatenate["TEF6686", P],tuple[bytes, int | None, Callable[[bytes], T]],],) -> Callable[Concatenate["TEF6686", P], T]: ...
def _command_wrapper(
func: Callable[Concatenate["TEF6686", P], tuple[bytes, int | None, Callable[[bytes], T] | None], ]) -> Callable[Concatenate["TEF6686", P], bytes | T]:
@wraps(func)
def inner(self: "TEF6686", *args: P.args, **kwargs: P.kwargs) -> bytes | T:
data, read_bytes, out_parser = func(self, *args, **kwargs)
if read_bytes: data = self.p.write_read_i2c(ADDRESS, data, read_bytes)
else: data = self.p.write_i2c(ADDRESS, data)
if out_parser: return out_parser(data)
return data
return inner
class TEF6686(BaseTEF668X):
@_command_wrapper
def FM_Tune_To(self, mode: int, frequency: int | None):
return b"\x20\x01\x01" + mode.to_bytes(2, "big") + (frequency.to_bytes(2, "big") if frequency else b""), None, None
@_command_wrapper
def AM_Tune_To(self, mode: int, frequency: int | None):
return b"\x21\x01\x01" + mode.to_bytes(2, "big") + (frequency.to_bytes(2, "big") if frequency else b""), None, None
@_command_wrapper
def FM_Set_Tune_Options(self, afu_bw_mode: bool = False, afu_bandwidth: int = 2360, afu_mute_time: int = 1000, afu_sample_time: int = 2000):
return b"\x20\x02\x01" + afu_bw_mode.to_bytes(2, "big") + afu_bandwidth.to_bytes(2, "big") + afu_mute_time.to_bytes(2, "big") + afu_sample_time.to_bytes(2, "big"), None, None
@_command_wrapper
def FM_Set_Bandwidth(self, mode: bool = True, bandwidth: int = 2360, control_sensitivity: int = 1000, low_level_sensitivity: int = 1000):
return b"\x20\x0a\x01" + mode.to_bytes(2, "big") + bandwidth.to_bytes(2, "big") + control_sensitivity.to_bytes(2, "big") + low_level_sensitivity.to_bytes(2, "big"), None, None
@_command_wrapper
def AM_Set_Bandwidth(self, bandwidth: int = 40):
return b"\x21\x0a\x01\x00\x00" + bandwidth.to_bytes(2, "big"), None, None
# todo: Set_RFAGC
@_command_wrapper
def AM_Set_Antenna(self, attenuation: int = 0):
return b"\x21\x0c\x01" + attenuation.to_bytes(2, "big"), None, None
@_command_wrapper
def FM_Set_MphSuppression(self, mode: bool = False):
return b"\x20\x14\x01" + mode.to_bytes(2, "big"), None, None
@_command_wrapper
def FM_Set_ChannelEqualizer(self, mode: bool = False):
return b"\x20\x16\x01" + mode.to_bytes(2, "big"), None, None
@_command_wrapper
def FM_Set_Deemphasis(self, timeconstant: int = 500):
return b"\x20\x1f\x01" + timeconstant.to_bytes(2, "big"), None, None
@_command_wrapper
def AM_Set_LevelOffset(self, offset: int = 0):
return b"\x21\x27\x01" + offset.to_bytes(2, "big", signed=True), None, None
@_command_wrapper
def FM_Set_RDS(self, mode: int = 0, restart: int = 2, interface: int = 0):
return b"\x20\x51\x01" + mode.to_bytes(2, "big") + restart.to_bytes(2, "big") + interface.to_bytes(2, "big"), None, None
@_command_wrapper
def FM_Set_Specials(self, mode: int = 0):
return b"\x20\x55\x01" + mode.to_bytes(2, "big"), None, None
@_command_wrapper
def AUDIO_Set_Volume(self, volume: int = 0):
return b"\x30\x0a\x01" + volume.to_bytes(2, "big", signed=True), None, None
@_command_wrapper
def AUDIO_Set_Mute(self, mute: bool = True):
return b"\x30\x0b\x01" + int(mute).to_bytes(2, "big"), None, None
@_command_wrapper
def AUDIO_Set_Input(self, source: int = 0):
return b"\x30\x0c\x01" + source.to_bytes(2, "big"), None, None
@_command_wrapper
def AUDIO_Set_Output_Source(self, signal: int, source: int = 224):
return b"\x30\x0d\x01" + signal.to_bytes(2, "big") + source.to_bytes(2, "big"), None, None
@_command_wrapper
def AUDIO_Set_Ana_Out(self, signal: int, mode: bool = True):
return b"\x30\x15\x01" + signal.to_bytes(2, "big") + mode.to_bytes(2, "big"), None, None
@_command_wrapper
def AUDIO_Set_WaveGen(self, mode: int = 0, offset: int = 0, amplitude1: int = -200, frequency1: int = 400, amplitude2: int = -200, frequency2: int = 1000):
return b"\x30\x18\x01" + mode.to_bytes(2, "big") + offset.to_bytes(2, "big") + amplitude1.to_bytes(2, "big", signed=True) + frequency1.to_bytes(2, "big") + amplitude2.to_bytes(2, "big", signed=True) + frequency2.to_bytes(2, "big"), None, None
@_command_wrapper
def APPL_Set_OperationMode(self, mode: bool = True):
return b"\x40\x01\x01" + mode.to_bytes(2, "big"), None, None
@staticmethod
def _get_quality_data(data) -> tuple[None, None, None, None, None, None, None] | tuple[int, int, int, int, int, int, int]:
if data[1] != 0: return None, None, None, None, None, None, None
status = (data[2] << 8) | data[3]
level = int.from_bytes(bytes([data[4], data[5]]), "big", signed=True)
usn = (data[6] << 8) | data[7] # "noise" on AM
wam = (data[8] << 8) | data[9] # "co-channel" on AM
offset = int.from_bytes(bytes([data[10], data[11]]), "big", signed=True)
bandwidth = (data[12] << 8) | data[13]
modulation = (data[14] << 8) | data[15]
return status, level, usn, wam, offset, bandwidth, modulation
@_command_wrapper
def FM_Get_Quality_Status(self):
return b"\x20\x80\x01", 14, self._get_quality_data
@_command_wrapper
def FM_Get_Quality_Data(self):
return b"\x20\x81\x01", 14, self._get_quality_data
@_command_wrapper
def AM_Get_Quality_Status(self):
return b"\x21\x80\x01", 14, self._get_quality_data
@_command_wrapper
def AM_Get_Quality_Data(self):
return b"\x21\x81\x01", 14, self._get_quality_data
@staticmethod
def _get_rds_data_proc_decoder(data):
if data[1] != 0: return None, None, None, None, None, None
status = (data[2] << 8) | data[3]
A_block = (data[4] << 8) | data[5]
B_block = (data[6] << 8) | data[7]
C_block = (data[8] << 8) | data[9]
D_block = (data[10] << 8) | data[11]
dec_error = (data[12] << 8) | data[13]
return status, A_block, B_block, C_block, D_block, dec_error
@staticmethod
def _get_rds_data_proc_demodulator(data):
if data[1] != 0: return None, None, None
status = (data[2] << 8) | data[3]
raw_data_high = (data[4] << 8) | data[5]
raw_data_low = (data[6] << 8) | data[7]
return status, (raw_data_high << 16) | raw_data_low
@_command_wrapper
def FM_Get_RDS_Status__decoder(self):
return b"\x20\x82\x01", 12, self._get_rds_data_proc_decoder
@_command_wrapper
def FM_Get_RDS_Data__decoder(self):
return b"\x20\x83\x01", 12, self._get_rds_data_proc_decoder
@_command_wrapper
def FM_Get_RDS_Status__demodulator(self):
return b"\x20\x82\x01", 12, self._get_rds_data_proc_demodulator
@_command_wrapper
def FM_Get_RDS_Data__demodulator(self):
return b"\x20\x83\x01", 12, self._get_rds_data_proc_demodulator
@_command_wrapper
def FM_Get_AGC(self):
"""
Returns None if there was a I2C error, or a tuple of booleans (FM Stereo/Mono and Analog/Digital radio [DR models])
"""
def proc(data):
if data[1] != 0: return None
input_att = (data[2] << 8) | data[3]
feedback_att = (data[4] << 8) | data[5]
return input_att, feedback_att
return b"\x20\x84\x01", 4, proc
@_command_wrapper
def FM_Get_Signal_Status(self):
"""
Returns None if there was a I2C error, or a tuple of booleans (FM Stereo/Mono and Analog/Digital radio [DR models])
"""
def proc(data):
if data[1] != 0: return None
value = (data[-2] << 8) | data[-1]
return (value & (1 << 15)) != 0, (value & (1 << 14)) != 0
return b"\x20\x85\x01", 2, proc
@_command_wrapper
def APPL_Get_Identification(self):
def proc(data):
if data[1] != 0: return None
device = (data[2] << 8) | data[3]
hw_version = (data[4] << 8) | data[5]
sw_version = (data[6] << 8) | data[7]
return device, hw_version, sw_version
return b"\x40\x82\x01", 6, proc