From 6e9361fb58061ce37ce9aee8503f587da7914763 Mon Sep 17 00:00:00 2001
From: rusefi <arro239+rusefi@gmail.com>
Date: Sun, 4 Mar 2018 17:55:46 -0500
Subject: [PATCH] docs

---
 firmware/config/engines/custom_engine.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/firmware/config/engines/custom_engine.cpp b/firmware/config/engines/custom_engine.cpp
index dd966ac396..07f4f4d4c0 100644
--- a/firmware/config/engines/custom_engine.cpp
+++ b/firmware/config/engines/custom_engine.cpp
@@ -45,6 +45,9 @@ static void toggleTestAndScheduleNext() {
 
 }
 
+/**
+ * https://github.com/rusefi/rusefi/issues/557 common rail / direct injection scheduling control test
+ */
 void test557init(void) {
 	if (engineConfiguration->test557pin == GPIO_UNASSIGNED ||
 			engineConfiguration->test557pin == GPIOA_0) {