From bcd11336049d9928cbad478f7c776f9117ef1514 Mon Sep 17 00:00:00 2001
From: kit <kitonthenet@protonmail.com>
Date: Tue, 22 Jul 2025 22:24:43 -0400
Subject: [PATCH 1/3] Added initial support for the HydraSDR RFOne

See https://github.com/hydrasdr for details about building the library and
Soapy module required to support the hardware. There's an issue in the
upstream library with a fix described in https://github.com/hydrasdr/rfone_host/issues/5
---
 owrx/feature.py         |  8 ++++++
 owrx/source/hydrasdr.py | 60 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 owrx/source/hydrasdr.py

diff --git a/owrx/feature.py b/owrx/feature.py
index e458a962..f626fb17 100644
--- a/owrx/feature.py
+++ b/owrx/feature.py
@@ -61,6 +61,7 @@ class FeatureDetector(object):
         "perseussdr": ["perseustest", "nmux"],
         "airspy": ["soapy_connector", "soapy_airspy"],
         "airspyhf": ["soapy_connector", "soapy_airspyhf"],
+        "hydrasdr": ["soapy_connector", "soapy_hydrasdr"],
         "afedri": ["soapy_connector", "soapy_afedri"],
         "lime_sdr": ["soapy_connector", "soapy_lime_sdr"],
         "fifi_sdr": ["alsa", "rockprog", "nmux"],
@@ -346,6 +347,13 @@ class FeatureDetector(object):
         """
         return self._has_soapy_driver("airspyhf")
 
+    def has_soapy_hydrasdr(self):
+        """
+        The [SoapySDR module for RFOne](https://github.com/hydrasdr/SoapyHydraSDR)
+        device is required for interfacing with HydraSDR RFOne devices.
+        """
+        return self._has_soapy_driver("hydrasdr")
+
     def has_soapy_afedri(self):
         """
         The [SoapyAfedri](https://github.com/alexander-sholohov/SoapyAfedri) module allows using Afedri SDR-Net devices
diff --git a/owrx/source/hydrasdr.py b/owrx/source/hydrasdr.py
new file mode 100644
index 00000000..b699673f
--- /dev/null
+++ b/owrx/source/hydrasdr.py
@@ -0,0 +1,60 @@
+from owrx.source.soapy import SoapyConnectorSource, SoapyConnectorDeviceDescription
+from owrx.form.input import Input, CheckboxInput
+from owrx.form.input.device import BiasTeeInput
+from owrx.form.input.validator import Range
+from typing import List
+
+# case sensitive, be careful changing it
+class HydrasdrSource(SoapyConnectorSource):
+    def getSoapySettingsMappings(self):
+        mappings = super().getSoapySettingsMappings()
+        mappings.update(
+            {
+                "bias_tee": "biastee",
+                "bitpack": "bitpack",
+            }
+        )
+        return mappings
+
+    def getDriver(self):
+        return "hydrasdr"
+
+
+class HydraSDRDeviceDescription(SoapyConnectorDeviceDescription):
+    def getName(self):
+        return "HydraSDR RFone"
+
+    def supportsPpm(self):
+        # not supported by the device API
+        # frequency calibration can be done with separate tools and will be persisted on the device.
+        # see discussion here: https://groups.io/g/openwebrx/topic/79360293
+        return False
+
+    def getInputs(self) -> List[Input]:
+        return super().getInputs() + [
+            BiasTeeInput(),
+            CheckboxInput(
+                "bitpack",
+                "Enable bit-packing",
+                infotext="Packs two 12-bit samples into 3 bytes."
+                + " Lowers USB bandwidth consumption, increases CPU load",
+            ),
+        ]
+
+    def getDeviceOptionalKeys(self):
+        return super().getDeviceOptionalKeys() + ["bias_tee", "bitpack"]
+
+    def getProfileOptionalKeys(self):
+        return super().getProfileOptionalKeys() + ["bias_tee"]
+
+    def getGainStages(self):
+        return ["LNA", "MIX", "VGA"]
+
+    def getSampleRateRanges(self) -> List[Range]:
+        # Device only supports 2.5, 5, and 10 MSPS for now, mfg suggests it may
+        # be able to do up to 80 MSPS "with custom firmware"
+        return [
+            Range(2500000),
+            Range(5000000),
+            Range(10000000),
+        ]

From 04049f556fe0b0fe27f35f07d49562c0b58b7ce9 Mon Sep 17 00:00:00 2001
From: kit <kitonthenet@protonmail.com>
Date: Mon, 22 Dec 2025 14:54:40 -0500
Subject: [PATCH 2/3] Fixed class name

---
 owrx/source/hydrasdr.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/owrx/source/hydrasdr.py b/owrx/source/hydrasdr.py
index b699673f..ecdd6e26 100644
--- a/owrx/source/hydrasdr.py
+++ b/owrx/source/hydrasdr.py
@@ -20,7 +20,7 @@ class HydrasdrSource(SoapyConnectorSource):
         return "hydrasdr"
 
 
-class HydraSDRDeviceDescription(SoapyConnectorDeviceDescription):
+class HydraSdrDeviceDescription(SoapyConnectorDeviceDescription):
     def getName(self):
         return "HydraSDR RFone"
 

From a7c74ddaa5bc4ecb6f8a467c23bd7350bf5213bd Mon Sep 17 00:00:00 2001
From: kit <kitonthenet@protonmail.com>
Date: Mon, 22 Dec 2025 15:02:43 -0500
Subject: [PATCH 3/3] REALLY fixed class name

---
 owrx/source/hydrasdr.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/owrx/source/hydrasdr.py b/owrx/source/hydrasdr.py
index ecdd6e26..98203dad 100644
--- a/owrx/source/hydrasdr.py
+++ b/owrx/source/hydrasdr.py
@@ -20,7 +20,7 @@ class HydrasdrSource(SoapyConnectorSource):
         return "hydrasdr"
 
 
-class HydraSdrDeviceDescription(SoapyConnectorDeviceDescription):
+class HydrasdrDeviceDescription(SoapyConnectorDeviceDescription):
     def getName(self):
         return "HydraSDR RFone"