pcb: power: Add `PWR_FLAG` symbolsHEADmain

This resolves ERC issues. The ERC complains that an power input is not
fed by a power output if there is a component like a ferrite bead or 0
Ohm resistor between the two.

The `PWR_FLAG` tells the ERC that it was explicitly checked that this is
not a mistake.

1 files changed, 294 insertions, 27 deletions

diff --git a/pcb/processor.kicad_sch b/pcb/processor.kicad_sch
index 58e8ddb..49a48e9 100644
--- a/pcb/processor.kicad_sch
+++ b/pcb/processor.kicad_sch
@@ -3438,6 +3438,107 @@
 			)
 			(embedded_fonts no)
 		)
+		(symbol "power:PWR_FLAG"
+			(power)
+			(pin_numbers
+				(hide yes)
+			)
+			(pin_names
+				(offset 0)
+				(hide yes)
+			)
+			(exclude_from_sim no)
+			(in_bom yes)
+			(on_board yes)
+			(property "Reference" "#FLG"
+				(at 0 1.905 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Value" "PWR_FLAG"
+				(at 0 3.81 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+				)
+			)
+			(property "Footprint" ""
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Datasheet" "~"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Description" "Special symbol for telling ERC where power comes from"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_keywords" "flag power"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(symbol "PWR_FLAG_0_0"
+				(pin power_out line
+					(at 0 0 90)
+					(length 0)
+					(name "~"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+					(number "1"
+						(effects
+							(font
+								(size 1.27 1.27)
+							)
+						)
+					)
+				)
+			)
+			(symbol "PWR_FLAG_0_1"
+				(polyline
+					(pts
+						(xy 0 0) (xy 0 1.27) (xy -1.016 1.905) (xy 0 2.54) (xy 1.016 1.905) (xy 0 1.27)
+					)
+					(stroke
+						(width 0)
+						(type default)
+					)
+					(fill
+						(type none)
+					)
+				)
+			)
+			(embedded_fonts no)
+		)
 	)
 	(text "PCB versioning"
 		(exclude_from_sim no)
@@ -3470,7 +3571,7 @@
 		(uuid "82f61e74-c865-4393-826a-066e2a341f3e")
 	)
 	(junction
-		(at 130.81 26.67)
+		(at 130.81 24.13)
 		(diameter 0)
 		(color 0 0 0 0)
 		(uuid "027312a6-6cab-47d4-bd6c-3a7958898883")
@@ -3488,6 +3589,12 @@
 		(uuid "0de39592-ff68-44b8-aafc-a2211b0f3c5c")
 	)
 	(junction
+		(at 139.7 34.29)
+		(diameter 0)
+		(color 0 0 0 0)
+		(uuid "25b748ce-2cf9-4105-916b-450d58335e69")
+	)
+	(junction
 		(at 76.2 68.58)
 		(diameter 0)
 		(color 0 0 0 0)
@@ -3524,6 +3631,12 @@
 		(uuid "966c75b3-b696-4276-9e1c-6478e86f90fc")
 	)
 	(junction
+		(at 121.92 34.29)
+		(diameter 0)
+		(color 0 0 0 0)
+		(uuid "978aa3f6-80f0-4157-86e2-21aa91854f37")
+	)
+	(junction
 		(at 182.88 58.42)
 		(diameter 0)
 		(color 0 0 0 0)
@@ -3845,6 +3958,16 @@
 	)
 	(wire
 		(pts
+			(xy 139.7 34.29) (xy 139.7 36.83)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "16e365c0-2181-4267-84b5-cd72b8f25694")
+	)
+	(wire
+		(pts
 			(xy 175.26 152.4) (xy 175.26 172.72)
 		)
 		(stroke
@@ -3915,6 +4038,16 @@
 	)
 	(wire
 		(pts
+			(xy 121.92 34.29) (xy 121.92 38.1)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "27a2acf1-169c-4783-8b35-474dccc469c4")
+	)
+	(wire
+		(pts
 			(xy 182.88 57.15) (xy 182.88 58.42)
 		)
 		(stroke
@@ -4035,7 +4168,7 @@
 	)
 	(wire
 		(pts
-			(xy 130.81 26.67) (xy 130.81 25.4)
+			(xy 130.81 24.13) (xy 130.81 22.86)
 		)
 		(stroke
 			(width 0)
@@ -4135,7 +4268,7 @@
 	)
 	(wire
 		(pts
-			(xy 139.7 27.94) (xy 139.7 26.67)
+			(xy 139.7 25.4) (xy 139.7 24.13)
 		)
 		(stroke
 			(width 0)
@@ -4195,7 +4328,7 @@
 	)
 	(wire
 		(pts
-			(xy 139.7 35.56) (xy 139.7 36.83)
+			(xy 139.7 33.02) (xy 139.7 34.29)
 		)
 		(stroke
 			(width 0)
@@ -4345,7 +4478,7 @@
 	)
 	(wire
 		(pts
-			(xy 121.92 27.94) (xy 121.92 26.67)
+			(xy 121.92 25.4) (xy 121.92 24.13)
 		)
 		(stroke
 			(width 0)
@@ -4355,7 +4488,7 @@
 	)
 	(wire
 		(pts
-			(xy 139.7 26.67) (xy 130.81 26.67)
+			(xy 139.7 24.13) (xy 130.81 24.13)
 		)
 		(stroke
 			(width 0)
@@ -4385,7 +4518,7 @@
 	)
 	(wire
 		(pts
-			(xy 121.92 26.67) (xy 130.81 26.67)
+			(xy 121.92 24.13) (xy 130.81 24.13)
 		)
 		(stroke
 			(width 0)
@@ -4495,7 +4628,7 @@
 	)
 	(wire
 		(pts
-			(xy 130.81 36.83) (xy 130.81 26.67)
+			(xy 130.81 36.83) (xy 130.81 24.13)
 		)
 		(stroke
 			(width 0)
@@ -4555,7 +4688,7 @@
 	)
 	(wire
 		(pts
-			(xy 121.92 35.56) (xy 121.92 38.1)
+			(xy 121.92 33.02) (xy 121.92 34.29)
 		)
 		(stroke
 			(width 0)
@@ -5410,7 +5543,7 @@
 	)
 	(symbol
 		(lib_id "power:+3V3")
-		(at 130.81 25.4 0)
+		(at 130.81 22.86 0)
 		(unit 1)
 		(exclude_from_sim no)
 		(in_bom yes)
@@ -5419,7 +5552,7 @@
 		(fields_autoplaced yes)
 		(uuid "46e43b91-7745-4b1f-9749-181cf5d6767c")
 		(property "Reference" "#PWR026"
-			(at 130.81 29.21 0)
+			(at 130.81 26.67 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -5428,7 +5561,7 @@
 			)
 		)
 		(property "Value" "+3V3"
-			(at 130.81 20.32 0)
+			(at 130.81 17.78 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -5436,7 +5569,7 @@
 			)
 		)
 		(property "Footprint" ""
-			(at 130.81 25.4 0)
+			(at 130.81 22.86 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -5445,7 +5578,7 @@
 			)
 		)
 		(property "Datasheet" ""
-			(at 130.81 25.4 0)
+			(at 130.81 22.86 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -5454,7 +5587,7 @@
 			)
 		)
 		(property "Description" "Power symbol creates a global label with name \"+3V3\""
-			(at 130.81 25.4 0)
+			(at 130.81 22.86 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -6011,6 +6144,73 @@
 		)
 	)
 	(symbol
+		(lib_id "power:PWR_FLAG")
+		(at 121.92 34.29 90)
+		(mirror x)
+		(unit 1)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(dnp no)
+		(uuid "87be38d6-7d03-46bb-9030-af8e2a39827e")
+		(property "Reference" "#FLG04"
+			(at 120.015 34.29 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Value" "PWR_FLAG"
+			(at 118.11 34.2899 90)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(property "Footprint" ""
+			(at 121.92 34.29 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Datasheet" "~"
+			(at 121.92 34.29 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Description" "Special symbol for telling ERC where power comes from"
+			(at 121.92 34.29 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(pin "1"
+			(uuid "1c2e8fb1-c0b0-4280-a008-24a014c14dbf")
+		)
+		(instances
+			(project "iot-contact"
+				(path "/5defd195-0277-4d04-9f5f-69e505c9845c/9e600826-010a-409d-9a37-ea8e6fbe6058"
+					(reference "#FLG04")
+					(unit 1)
+				)
+			)
+		)
+	)
+	(symbol
 		(lib_id "Device:Crystal")
 		(at 214.63 148.59 90)
 		(unit 1)
@@ -6148,7 +6348,7 @@
 	)
 	(symbol
 		(lib_id "Device:R")
-		(at 121.92 31.75 0)
+		(at 121.92 29.21 0)
 		(mirror y)
 		(unit 1)
 		(exclude_from_sim no)
@@ -6157,7 +6357,7 @@
 		(dnp no)
 		(uuid "a57e0fa7-64d4-48d7-9aab-9c4fe5e63580")
 		(property "Reference" "R12"
-			(at 119.38 30.4799 0)
+			(at 119.38 27.9399 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -6166,7 +6366,7 @@
 			)
 		)
 		(property "Value" "0"
-			(at 119.38 33.0199 0)
+			(at 119.38 30.4799 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -6175,7 +6375,7 @@
 			)
 		)
 		(property "Footprint" ""
-			(at 123.698 31.75 90)
+			(at 123.698 29.21 90)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -6184,7 +6384,7 @@
 			)
 		)
 		(property "Datasheet" "~"
-			(at 121.92 31.75 0)
+			(at 121.92 29.21 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -6193,7 +6393,7 @@
 			)
 		)
 		(property "Description" "Resistor"
-			(at 121.92 31.75 0)
+			(at 121.92 29.21 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -6420,7 +6620,7 @@
 	)
 	(symbol
 		(lib_id "Device:FerriteBead")
-		(at 139.7 31.75 180)
+		(at 139.7 29.21 180)
 		(unit 1)
 		(exclude_from_sim no)
 		(in_bom yes)
@@ -6429,7 +6629,7 @@
 		(fields_autoplaced yes)
 		(uuid "cc42b4c5-0560-461f-bff3-be69aab4985d")
 		(property "Reference" "FB2"
-			(at 143.51 30.5307 0)
+			(at 143.51 27.9907 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -6438,7 +6638,7 @@
 			)
 		)
 		(property "Value" "FerriteBead"
-			(at 143.51 33.0707 0)
+			(at 143.51 30.5307 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -6447,7 +6647,7 @@
 			)
 		)
 		(property "Footprint" ""
-			(at 141.478 31.75 90)
+			(at 141.478 29.21 90)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -6456,7 +6656,7 @@
 			)
 		)
 		(property "Datasheet" "~"
-			(at 139.7 31.75 0)
+			(at 139.7 29.21 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -6465,7 +6665,7 @@
 			)
 		)
 		(property "Description" "Ferrite bead"
-			(at 139.7 31.75 0)
+			(at 139.7 29.21 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -6559,6 +6759,73 @@
 		)
 	)
 	(symbol
+		(lib_id "power:PWR_FLAG")
+		(at 139.7 34.29 270)
+		(unit 1)
+		(exclude_from_sim no)
+		(in_bom yes)
+		(on_board yes)
+		(dnp no)
+		(fields_autoplaced yes)
+		(uuid "d864acc2-8140-460a-93b1-bf9d43fe0e3b")
+		(property "Reference" "#FLG03"
+			(at 141.605 34.29 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Value" "PWR_FLAG"
+			(at 143.51 34.2899 90)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(property "Footprint" ""
+			(at 139.7 34.29 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Datasheet" "~"
+			(at 139.7 34.29 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Description" "Special symbol for telling ERC where power comes from"
+			(at 139.7 34.29 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(pin "1"
+			(uuid "1cfd15c4-9e9b-459c-a353-fdd7da1985d2")
+		)
+		(instances
+			(project ""
+				(path "/5defd195-0277-4d04-9f5f-69e505c9845c/9e600826-010a-409d-9a37-ea8e6fbe6058"
+					(reference "#FLG03")
+					(unit 1)
+				)
+			)
+		)
+	)
+	(symbol
 		(lib_id "power:GND")
 		(at 182.88 68.58 0)
 		(unit 1)