Update: Camera_Ov2640_Fpc24 to use non strict compatible (#377)

Update: modifying the camera code to accept 3v3 if nonstirct is true. 
The code is used in pcbbot and updated accordingly

---------

Co-authored-by: Richard Lin <[email protected]>

Author: Suke0811

edg/parts/Camera_Ov2640_Fpc24.py

@@ -2,7 +2,7 @@
 from .PassiveConnector_Fpc import Fpc050Bottom
 
 
-class Ov2640_Fpc24_Device(InternalSubcircuit, Block):
+class Ov2640_Fpc24_Device(InternalSubcircuit, Nonstrict3v3Compatible, Block):
     def __init__(self) -> None:
         super().__init__()
 
@@ -11,11 +11,13 @@ def __init__(self) -> None:
         self.dgnd = self.Export(self.conn.pins.request('10').adapt_to(Ground()))
         self.agnd = self.Export(self.conn.pins.request('23').adapt_to(Ground()))
         self.dovdd = self.Export(self.conn.pins.request('14').adapt_to(VoltageSink(
-            voltage_limits=(1.71, 3.3)*Volt,  # Table 6, absolute maximum (Table 5) is 4.5v
+            voltage_limits=self.nonstrict_3v3_compatible.then_else(
+                (1.71, 4.5)*Volt,  # Table 6, absolute maximum (Table 5) is 4.5v
+                (1.71, 3.3)*Volt),
             current_draw=(6, 15)*mAmp  # active typ to max
         )))
         self.dvdd = self.Export(self.conn.pins.request('15').adapt_to(VoltageSink(
-            voltage_limits=(1.24, 1.36)*Volt,  # Table 6
+            voltage_limits=(1.14, 1.26)*Volt,  # Table 6
             current_draw=(30, 60)*mAmp  # active typ YUV to max compressed
         )))
         self.avdd = self.Export(self.conn.pins.request('21').adapt_to(VoltageSink(

examples/test_pcbbot.py

@@ -220,8 +220,6 @@ def refinements(self) -> Refinements:
         (CompactKeystone5015, ['lcsc_part'], 'C5199798'),  # RH-5015, which is actually in stock
 
         # the camera recommended specs are excessively tight, so loosen them a bit
-        (Ov2640_Fpc24, ['device', 'dovdd', 'voltage_limits'], Range(1.71, 4.5)),
-        (Ov2640_Fpc24, ['device', 'dvdd', 'voltage_limits'], Range(1.1, 1.36)),  # allow 1v2
         (Ov2640_Fpc24, ['device', 'avdd', 'voltage_limits'], Range(2.3, 3.0)),  # allow 2v5
         (Nonstrict3v3Compatible, ['nonstrict_3v3_compatible'], True),
       ],