From a588f15808ecb6c1cda930e7f33d1f9be5a3079b Mon Sep 17 00:00:00 2001
From: Matthew Kennedy <matthewkennedy@outlook.com>
Date: Tue, 28 Mar 2023 00:01:21 -0700
Subject: [PATCH] board can override CAN format

---
 firmware/can.cpp | 8 +++++++-
 firmware/can.h   | 4 ++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/firmware/can.cpp b/firmware/can.cpp
index 184ff33..f0c95c2 100644
--- a/firmware/can.cpp
+++ b/firmware/can.cpp
@@ -22,7 +22,7 @@ void CanTxThread(void*)
     while(1)
     {
         for (int ch = 0; ch < AFR_CHANNELS; ch++) {
-            SendRusefiFormat(ch);
+            SendCanForChannel(ch);
         }
 
         chThdSleepMilliseconds(10);
@@ -161,3 +161,9 @@ void SendRusefiFormat(uint8_t ch)
         frame.get().HeaterDuty = GetHeaterDuty(ch) * 255;
     }
 }
+
+// Weak link so boards can override it
+__attribute__((weak)) void SendCanForChannel(uint8_t ch)
+{
+    SendRusefiFormat(ch);
+}
diff --git a/firmware/can.h b/firmware/can.h
index 763450e..38105f0 100644
--- a/firmware/can.h
+++ b/firmware/can.h
@@ -20,3 +20,7 @@ enum class HeaterAllow {
 HeaterAllow GetHeaterAllowed();
 
 float GetRemoteBatteryVoltage();
+
+// implement this for your board if you want some non-standard behavior
+// default implementation simply calls SendRusefiFormat
+void SendCanForChannel(uint8_t ch);