Library: Remove Constant for physical params (#53)

src/faebryk/library/CBM9002A_56ILG_Reference_Design.py

@@ -12,13 +12,31 @@ class CBM9002A_56ILG_Reference_Design(Module):
     Minimal working example for the CBM9002A_56ILG
     """
 
+    class ResetCircuit(Module):
+        """low-pass and protection for reset"""
+
+        diode: F.Diode
+        cap: F.Capacitor
+        logic: F.ElectricLogic
+
+        def __preinit__(self):
+            self.logic.signal.connect_via(self.diode, self.logic.reference.hv)
+            self.logic.pulled.pull(up=True)
+            self.logic.signal.connect_via(self.cap, self.logic.reference.lv)
+
+            self.cap.capacitance.merge(F.Range.from_center_rel(1 * P.uF, 0.05))
+
+            self.diode.forward_voltage.merge(F.Range(715 * P.mV, 1.5 * P.V))
+            self.diode.reverse_leakage_current.merge(F.Range.upper_bound(1 * P.uA))
+            self.diode.current.merge(F.Range.from_center_rel(300 * P.mA, 0.05))
+            self.diode.max_current.merge(F.Range.lower_bound(1 * P.A))
+
     # ----------------------------------------
     #     modules, interfaces, parameters
     # ----------------------------------------
     mcu: F.CBM9002A_56ILG
-    reset_diode: F.Diode
-    reset_lowpass_cap: F.Capacitor
     oscillator: F.Crystal_Oscillator
+    reset_circuit: ResetCircuit
 
     PA = L.list_field(8, F.ElectricLogic)
     PB = L.list_field(8, F.ElectricLogic)
@@ -47,32 +65,22 @@ class CBM9002A_56ILG_Reference_Design(Module):
     #                connections
     # ----------------------------------------
     def __preinit__(self):
-        gnd = self.vcc.lv
         self.connect_interfaces_by_name(self.mcu, allow_partial=True)
 
-        self.reset.signal.connect_via(
-            self.reset_lowpass_cap, gnd
-        )  # TODO: should come from a low pass for electric logic
-        self.reset.pulled.pull(up=True)
-        self.reset.signal.connect_via(self.reset_diode, self.vcc.hv)
-
         # crystal oscillator
         self.oscillator.power.connect(self.vcc)
         self.oscillator.n.connect(self.xtalin)
         self.oscillator.p.connect(self.xtalout)
 
+        self.reset_circuit.logic.connect(self.mcu.reset)
+
         # ----------------------------------------
         #               Parameters
         # ----------------------------------------
-        self.reset_lowpass_cap.capacitance.merge(F.Constant(1 * P.uF))
 
-        self.oscillator.crystal.frequency.merge(F.Constant(24 * P.Mhertz))
+        self.oscillator.crystal.frequency.merge(
+            F.Range.from_center_rel(24 * P.Mhertz, 0.05)
+        )
         self.oscillator.crystal.frequency_tolerance.merge(
             F.Range.upper_bound(20 * P.ppm)
         )
-
-        # TODO: just set to a 1N4148
-        self.reset_diode.forward_voltage.merge(715 * P.mV)
-        self.reset_diode.reverse_leakage_current.merge(1 * P.uA)
-        self.reset_diode.current.merge(300 * P.mA)
-        self.reset_diode.max_current.merge(1 * P.A)

src/faebryk/library/QWIIC.py

@@ -19,7 +19,7 @@ class QWIIC(Module):
 
     def __preinit__(self):
         # set constraints
-        self.power.voltage.merge(F.Constant(3.3 * P.V))
+        self.power.voltage.merge(F.Range.from_center_rel(3.3 * P.V, 0.05))
         # TODO: self.power.source_current.merge(F.Constant(226 * P.mA))
 
     designator_prefix = L.f_field(F.has_designator_prefix_defined)("J")

src/faebryk/library/RS485_Bus_Protection.py

@@ -47,7 +47,9 @@ def __init__(self, termination: bool = True, polarization: bool = True) -> None:
     def __preinit__(self):
         if self._termination:
             termination_resistor = self.add(F.Resistor(), name="termination_resistor")
-            termination_resistor.resistance.merge(F.Constant(120 * P.ohm))
+            termination_resistor.resistance.merge(
+                F.Range.from_center_rel(120 * P.ohm, 0.05)
+            )
             self.rs485_out.diff_pair.p.connect_via(
                 termination_resistor, self.rs485_out.diff_pair.n
             )
@@ -67,23 +69,31 @@ def __preinit__(self):
                 polarization_resistors[1], self.power.lv
             )
 
-        self.current_limmiter_resistors[0].resistance.merge(F.Constant(2.7 * P.ohm))
+        self.current_limmiter_resistors[0].resistance.merge(
+            F.Range.from_center_rel(2.7 * P.ohm, 0.05)
+        )
         # TODO: set power dissipation of resistor to 2W
-        self.current_limmiter_resistors[1].resistance.merge(F.Constant(2.7 * P.ohm))
+        self.current_limmiter_resistors[1].resistance.merge(
+            F.Range.from_center_rel(2.7 * P.ohm, 0.05)
+        )
         # TODO: set power dissipation of resistor to 2W
 
-        self.gnd_couple_resistor.resistance.merge(F.Constant(1 * P.Mohm))
-        self.gnd_couple_capacitor.capacitance.merge(F.Constant(1 * P.uF))
+        self.gnd_couple_resistor.resistance.merge(
+            F.Range.from_center_rel(1 * P.Mohm, 0.05)
+        )
+        self.gnd_couple_capacitor.capacitance.merge(
+            F.Range.from_center_rel(1 * P.uF, 0.05)
+        )
         self.gnd_couple_capacitor.rated_voltage.merge(F.Range.lower_bound(2 * P.kV))
 
-        self.tvs.reverse_working_voltage.merge(F.Constant(8.5 * P.V))
-        # self.tvs.max_current.merge(F.Constant(41.7*P.A))
+        self.tvs.reverse_working_voltage.merge(F.Range.from_center_rel(8.5 * P.V, 0.05))
+        # self.tvs.max_current.merge(F.Range.from_center_rel(41.7*P.A, 0.05))
         # self.tvs.forward_voltage.merge(F.Range(9.44*P.V, 10.40*P.V))
 
         for diode in self.clamping_diodes:
-            diode.forward_voltage.merge(F.Constant(1.1 * P.V))
-            diode.max_current.merge(F.Constant(1 * P.A))
-            diode.reverse_working_voltage.merge(F.Constant(1 * P.kV))
+            diode.forward_voltage.merge(F.Range.from_center_rel(1.1 * P.V, 0.05))
+            diode.max_current.merge(F.Range.from_center_rel(1 * P.A, 0.05))
+            diode.reverse_working_voltage.merge(F.Range.from_center_rel(1 * P.kV, 0.05))
 
         # connections
         # earth connections

src/faebryk/library/SCD40.py

@@ -18,10 +18,9 @@ class _scd4x_esphome_config(F.has_esphome_config.impl()):
 
         def get_config(self) -> dict:
             val = self.update_interval.get_most_narrow()
-            assert isinstance(val, F.Constant), "No update interval set!"
+            assert isinstance(val, F.Constant)
 
-            obj = self.obj
-            assert isinstance(obj, SCD40)
+            obj = self.get_obj(SCD40)
 
             i2c = F.is_esphome_bus.find_connected_bus(obj.i2c)
 
@@ -45,6 +44,12 @@ def get_config(self) -> dict:
                 ]
             }
 
+        def is_implemented(self):
+            return (
+                isinstance(self.update_interval.get_most_narrow(), F.Constant)
+                and super().is_implemented()
+            )
+
     esphome_config: _scd4x_esphome_config
 
     # interfaces
@@ -66,7 +71,7 @@ def attach_to_footprint(self):
         )
 
     def __preinit__(self):
-        self.power.voltage.merge(F.Constant(3.3 * P.V))
+        self.power.voltage.merge(F.Range.from_center_rel(3.3 * P.V, 0.05))
         self.i2c.terminate()
         self.power.decoupled.decouple()
         self.i2c.frequency.merge(

src/faebryk/library/USB_C_5V_PSU.py

@@ -16,7 +16,7 @@ class USB_C_5V_PSU(Module):
     configuration_resistors = L.list_field(
         2,
         lambda: F.Resistor().builder(
-            lambda r: r.resistance.merge(F.Constant(5.1 * P.kohm))
+            lambda r: r.resistance.merge(F.Range.from_center_rel(5.1 * P.kohm, 0.05))
         ),
     )
 

src/faebryk/library/USB_C_PSU_Vertical.py

@@ -28,7 +28,7 @@ def __preinit__(self):
         for res in self.configuration_resistors:
             res.resistance.merge(5.1 * P.kohm)
         self.fuse.fuse_type.merge(F.Fuse.FuseType.RESETTABLE)
-        self.fuse.trip_current.merge(F.Constant(1 * P.A))
+        self.fuse.trip_current.merge(F.Range.from_center_rel(1 * P.A, 0.05))
 
         # alliases
         vcon = self.usb_connector.vbus

src/faebryk/library/XL_3528RGBW_WS2812B.py

@@ -11,12 +11,9 @@ class _ws2812b_esphome_config(F.has_esphome_config.impl()):
         update_interval: F.TBD
 
         def get_config(self) -> dict:
-            assert isinstance(
-                self.update_interval, F.Constant
-            ), "No update interval set!"
+            assert isinstance(self.update_interval, F.Constant)
 
-            obj = self.obj
-            assert isinstance(obj, XL_3528RGBW_WS2812B), "This is not a WS2812B RGBW!"
+            obj = self.get_obj(XL_3528RGBW_WS2812B)
 
             data_pin = F.is_esphome_bus.find_connected_bus(obj.di.signal)
 
@@ -35,6 +32,12 @@ def get_config(self) -> dict:
                 ]
             }
 
+        def is_implemented(self):
+            return (
+                isinstance(self.update_interval.get_most_narrow(), F.Constant)
+                and super().is_implemented()
+            )
+
     # interfaces
 
     power: F.ElectricPower