From 0282f200a3e0236f5baca9d3fd9db2fb2b66c5e6 Mon Sep 17 00:00:00 2001
From: Ludovic Pouzenc <ludovic@pouzenc.fr>
Date: Sun, 13 Jun 2021 13:01:31 +0200
Subject: MyOBD: Trace every read and write to OBD adapter, lpo.ino: adapt for
 tracing

Extra for future : cap readDTC() call frequency to not struggle the CAN bus
---
 lpo/MyOBD.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'lpo/MyOBD.h')

diff --git a/lpo/MyOBD.h b/lpo/MyOBD.h
index ea143be..f2124c3 100644
--- a/lpo/MyOBD.h
+++ b/lpo/MyOBD.h
@@ -1,8 +1,20 @@
 #ifndef __MYOBD_H
 #define __MYOBD_H
 #include <OBD.h>
+
+#include <MyLCD.h>
+extern MyLCD lcd;
+
 class MyOBD : public COBDI2C {
   public:
+  void write(const char* s) {
+    lcd.print("<<<"); lcd.println(s);
+    COBDI2C::write(s);
+  }
+  byte receive(char* buffer, byte bufsize, int timeout) {
+    byte res = COBDI2C::receive(buffer,bufsize, timeout);
+    lcd.print(">>>"); lcd.println(buffer);
+  }
   /* Fake OBD for testing
   int i;
   MyOBD() {
-- 
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