From 96a85a2bb8e52cb8b15745bca617e3cc788d02ad Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Sat, 1 Nov 2025 18:40:37 -0400
Subject: extract signal from received frames

---
 fw/can.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'fw/can.c')

diff --git a/fw/can.c b/fw/can.c
index 45340bf..9c706a4 100644
--- a/fw/can.c
+++ b/fw/can.c
@@ -375,3 +375,15 @@ void
 canSetFilter5(const CanId *filter) {
 	writeId(filter, REG_RXF5SIDH, REG_RXF5SIDL, REG_RXF5EID8, REG_RXF5EID0);
 }
+
+bool
+canIdEq(const CanId *a, const CanId *b) {
+	if (a->isExt != b->isExt) {
+		return false;
+	}
+	if (a->isExt) {
+		return a->eid == b->eid;
+	} else {
+		return a->sid == b->sid;
+	}
+}
-- 
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