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Add bias_t parameter to build_ism_command()

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Same fix as build_fm_demod_command() - the parameter was being
passed but not defined in the method signatures.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Smittix
2026-01-08 12:08:38 +00:00
parent 23689d9fe1
commit a5e9a3e1ce
5 changed files with 21 additions and 5 deletions
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6
utils/sdr/airspy.py
View File

@@ -126,7 +126,8 @@ class AirspyCommandBuilder(CommandBuilder):
device: SDRDevice,
frequency_mhz: float = 433.92,
gain: Optional[float] = None,
ppm: Optional[int] = None
ppm: Optional[int] = None,
bias_t: bool = False
) -> list[str]:
"""
Build rtl_433 command with SoapySDR support for ISM band decoding.
@@ -145,6 +146,9 @@ class AirspyCommandBuilder(CommandBuilder):
if gain is not None and gain > 0:
cmd.extend(['-g', str(int(gain))])
if bias_t:
cmd.extend(['-T'])
return cmd
def get_capabilities(self) -> SDRCapabilities:

4
utils/sdr/base.py
View File

@@ -138,7 +138,8 @@ class CommandBuilder(ABC):
device: SDRDevice,
frequency_mhz: float = 433.92,
gain: Optional[float] = None,
ppm: Optional[int] = None
ppm: Optional[int] = None,
bias_t: bool = False
) -> list[str]:
"""
Build ISM band decoder command (433MHz sensors).
@@ -148,6 +149,7 @@ class CommandBuilder(ABC):
frequency_mhz: Center frequency in MHz (default 433.92)
gain: Gain in dB (None for auto)
ppm: PPM frequency correction
bias_t: Enable bias-T power (for active antennas)
Returns:
Command as list of strings for subprocess

6
utils/sdr/hackrf.py
View File

@@ -123,7 +123,8 @@ class HackRFCommandBuilder(CommandBuilder):
device: SDRDevice,
frequency_mhz: float = 433.92,
gain: Optional[float] = None,
ppm: Optional[int] = None
ppm: Optional[int] = None,
bias_t: bool = False
) -> list[str]:
"""
Build rtl_433 command with SoapySDR support for ISM band decoding.
@@ -142,6 +143,9 @@ class HackRFCommandBuilder(CommandBuilder):
if gain is not None and gain > 0:
cmd.extend(['-g', str(int(gain))])
if bias_t:
cmd.extend(['-T'])
return cmd
def get_capabilities(self) -> SDRCapabilities:

4
utils/sdr/limesdr.py
View File

@@ -104,12 +104,14 @@ class LimeSDRCommandBuilder(CommandBuilder):
device: SDRDevice,
frequency_mhz: float = 433.92,
gain: Optional[float] = None,
ppm: Optional[int] = None
ppm: Optional[int] = None,
bias_t: bool = False
) -> list[str]:
"""
Build rtl_433 command with SoapySDR support for ISM band decoding.
rtl_433 has native SoapySDR support via -d flag.
Note: LimeSDR does not support bias-T, parameter is ignored.
"""
device_str = self._build_device_string(device)

6
utils/sdr/rtlsdr.py
View File

@@ -115,7 +115,8 @@ class RTLSDRCommandBuilder(CommandBuilder):
device: SDRDevice,
frequency_mhz: float = 433.92,
gain: Optional[float] = None,
ppm: Optional[int] = None
ppm: Optional[int] = None,
bias_t: bool = False
) -> list[str]:
"""
Build rtl_433 command for ISM band sensor decoding.
@@ -135,6 +136,9 @@ class RTLSDRCommandBuilder(CommandBuilder):
if ppm is not None and ppm != 0:
cmd.extend(['-p', str(ppm)])
if bias_t:
cmd.extend(['-T'])
return cmd
def get_capabilities(self) -> SDRCapabilities: