add readme

due_obd2/due_obd2.ino

@@ -6,9 +6,13 @@ Program to create a car monitor display using:
     - FSC-DB004 (BT 836B) bluetooth module
 */
 
+#include "Arduino.h"
 /* include UTFT library */
 #include <UTFT.h>
 
+#include "obd2_display.h"
+// #include "obd2_timer.h"
+
 #define DEBUG 1
 
 /* pins */
@@ -16,10 +20,6 @@ Program to create a car monitor display using:
 #define PIN_BT_TX 18
 #define PIN_BT_STATE 3 /* connected/disconnected state of BT */
 
-/* display size */
-#define LCD_W 480
-#define LCD_H 320
-
 extern uint8_t BigFont[];
 extern uint8_t SmallFont[];
 
@@ -45,6 +45,8 @@ void setup() {
   #if (DEBUG == 1)
   Serial.println("Starting");
   #endif
+
+  TCCR0A=(1<<WGM01);    //Set the CTC mode   
 }
 
 void loop() {
@@ -66,6 +68,4 @@ void loop() {
     delay(10);
     should_clear = 0;
   }
-
-
 }

readme.md

@@ -0,0 +1,4 @@
+## Links
+- [Atmega 32U4 datasheet](https://ww1.microchip.com/downloads/en/devicedoc/atmel-7766-8-bit-avr-atmega16u4-32u4_datasheet.pdf)
+- [Atmel SAM3X/3A datasheet](https://copperhilltech.com/content/Atmel-SAM3X-Datasheet.pdf)
+- [Atmega 32U4 AVR035: Efficient C Coding for AVR](https://ww1.microchip.com/downloads/en/Appnotes/doc1497.pdf)