From e64752f69aaabd92ecc3769b39dcf9c6c2f8183a Mon Sep 17 00:00:00 2001
From: Suke0811 <49264928+Suke0811@users.noreply.github.com>
Date: Fri, 20 Sep 2024 15:26:45 -0700
Subject: [PATCH 1/2] Add: can diff side test points

---
 edg/abstract_parts/AbstractTestPoint.py | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/edg/abstract_parts/AbstractTestPoint.py b/edg/abstract_parts/AbstractTestPoint.py
index 528e1225f..d3944a2c8 100644
--- a/edg/abstract_parts/AbstractTestPoint.py
+++ b/edg/abstract_parts/AbstractTestPoint.py
@@ -196,3 +196,25 @@ def contents(self):
   def connected(self, io: Port[CanLogicLink]) -> 'CanControllerTestPoint':
     cast(Block, builder.get_enclosing_block()).connect(io, self.io)
     return self
+
+
+class CanDiffTestPoint(TypedTestPoint, Block):
+  """Two test points for CAN differential-side canh and canl"""
+
+  @init_in_parent
+  def __init__(self, tp_name: StringLike = ""):
+    super().__init__()
+    self.io = self.Port(CanDiffPort(DigitalBidir.empty()), [InOut])
+    self.tp_name = self.ArgParameter(tp_name)
+
+  def contents(self):
+    super().contents()
+    name_prefix = (self.tp_name == '').then_else(self.io.link().name(), self.tp_name)
+    self.tp_canh = self.Block(DigitalTestPoint(name_prefix + '.canh'))
+    self.tp_canl = self.Block(DigitalTestPoint(name_prefix + '.canl'))
+    self.connect(self.tp_canh.io, self.io.canh)
+    self.connect(self.tp_canl.io, self.io.canl)
+
+  def connected(self, io: Port[CanLogicLink]) -> 'CanDiffTestPoint':
+    cast(Block, builder.get_enclosing_block()).connect(io, self.io)
+    return self

From 3b3a4fb89c7a036724798cad38fbf137456e1ddb Mon Sep 17 00:00:00 2001
From: Suke0811 <49264928+Suke0811@users.noreply.github.com>
Date: Fri, 20 Sep 2024 18:27:10 -0700
Subject: [PATCH 2/2] Add: candiff testpoint in the init

---
 edg/abstract_parts/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/edg/abstract_parts/__init__.py b/edg/abstract_parts/__init__.py
index 26f9031d7..2d6d877c1 100644
--- a/edg/abstract_parts/__init__.py
+++ b/edg/abstract_parts/__init__.py
@@ -77,7 +77,7 @@
 from .AbstractDebugHeaders import SwdCortexTargetConnector, SwdCortexTargetConnectorReset, \
     SwdCortexTargetConnectorSwo, SwdCortexTargetConnectorTdi
 from .AbstractTestPoint import TestPoint, GroundTestPoint, VoltageTestPoint, DigitalTestPoint, DigitalArrayTestPoint, \
-    AnalogTestPoint, I2cTestPoint, SpiTestPoint, CanControllerTestPoint
+    AnalogTestPoint, I2cTestPoint, SpiTestPoint, CanControllerTestPoint, CanDiffTestPoint
 from .AbstractTestPoint import AnalogRfTestPoint
 from .AbstractJumper import Jumper, DigitalJumper
 from .PassiveConnector import PassiveConnector, FootprintPassiveConnector