refactor power supply to avoid circular loads

1 files changed, 44 insertions, 0 deletions

diff --git a/qolab/hardware/power_supply/_basic.py b/qolab/hardware/power_supply/_basic.py
new file mode 100644
index 0000000..265ee32
--- /dev/null
+++ b/qolab/hardware/power_supply/_basic.py
@@ -0,0 +1,44 @@
+"""Basic class to build hardware avare classes of power supplies."""
+
+from qolab.hardware.scpi import SCPIinstr
+from qolab.hardware.basic import BasicInstrument
+
+
+class PowerSupply(BasicInstrument):
+    """Base class for a Power Supply.
+
+    Contains minimal set of methods to be implemented by a Power Supply.
+
+    Intended to be used as a parent for hardware aware power supplies.
+    """
+
+    def __init__(self, *args, **kwds):
+        BasicInstrument.__init__(self, *args, **kwds)
+        self.config["Device type"] = "PowerSupply"
+        self.config[
+            "Device model"
+        ] = "Generic Power Supply generator Without Hardware interface"
+        self.config["FnamePrefix"] = "power_supply"
+        self.deviceProperties.update({})
+
+
+class PowerSupplySCPI(SCPIinstr, PowerSupply):
+    """SCPI aware power supply.
+
+    Intended to be used as a parent for hardware aware power supplies.
+
+    Example
+    -------
+
+    >>> rm = pyvisa.ResourceManager()
+    >>> PowerSupplySCPI(rm.open_resource('TCPIP::192.168.0.2::INSTR'))
+
+    or
+
+    >>> PowerSupplySCPI(rm.open_resource('USB0::10893::4354::MY61001869::0::INSTR'))
+    """
+
+    def __init__(self, resource, *args, **kwds):
+        SCPIinstr.__init__(self, resource)
+        PowerSupply.__init__(self, *args, **kwds)
+        self.config["DeviceId"] = str.strip(self.idn)