From 0fba6d59eb011c6254ba67e51462205eadad007a Mon Sep 17 00:00:00 2001
From: Ludovic Pouzenc <ludovic@pouzenc.fr>
Date: Sun, 13 Jun 2021 13:21:21 +0200
Subject: MyOBD : make debug runtime-controllable, lpo.ino: wait(20s) before
 readPID loop

---
 lpo/MyOBD.h |  9 +++++++--
 lpo/lpo.ino | 10 +++++++---
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/lpo/MyOBD.h b/lpo/MyOBD.h
index f2124c3..0f3004d 100644
--- a/lpo/MyOBD.h
+++ b/lpo/MyOBD.h
@@ -7,13 +7,18 @@ extern MyLCD lcd;
 
 class MyOBD : public COBDI2C {
   public:
+  int debug;
+  MyOBD() {
+    debug=0;
+  }
   void write(const char* s) {
-    lcd.print("<<<"); lcd.println(s);
+    if (this->debug) 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);
+    if (this->debug) lcd.print(">>>"); lcd.println(buffer);
+    return res;
   }
   /* Fake OBD for testing
   int i;
diff --git a/lpo/lpo.ino b/lpo/lpo.ino
index b85de2b..5016aec 100644
--- a/lpo/lpo.ino
+++ b/lpo/lpo.ino
@@ -10,11 +10,15 @@ MyOBD obd;
 void setup()
 {
   lcd.begin();
+  obd.debug=1;
   lcd.println("obd.begin()");
   obd.begin();
   reconnect();
   showDTC();
-  while(1); // Freeze exec here for now
+
+  delay(20*1000); // Freeze for 20 seconds before displaying real-time PID values
+  obd.debug=0;
+  lcd.begin();
   initScreen();
 }
 
@@ -38,9 +42,9 @@ void showDTC() {
   } else {
     for (c=0; c<count; c++) {
         sprintf(buf, "P%04u ", codes[c]);
-        lcd.print(buf);
+        lcd.println(buf);
     }
-    lcd.println();
+    //lcd.println();
   }
 }
 
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