////////////////////////////////////////////////////////////////////////////////
// Name:       KY-010, WYC H206                                               //
// Platform:   Arduino Uno R3                                                 //
// Created by: HARB rboek2@gmail.com July 2016 GPL copyrights                 //
// http://robotigs.com/robotigs/includes/parts_header.php?idpart=102          //
// Connect the speed encoder to an interrupt in pin.                          //
// This program will toggle the LED according to a speed encoder value.       //
////////////////////////////////////////////////////////////////////////////////

// SET PRECOMPILER OPTIONS *****************************************************

// Define precompiler settings PINS --------------------------------------------
#define SpeedEncoL 2               //Interrupted input of speed encoder WYC H206

// Define the needed header files for the precompiler, no charge if not used ---
//#include <TimerOne.h>//Needed for reading wheel speed, library manager install

// Define variables ------------------------------------------------------------
bool ledBinVal = LOW;         //You can chose HIGH-on or LOW-off for LED_BUILTIN
word cntrL = 0;                           //Define left wheel counter per second
//END OF PRECOMPILER OPTIONS ---------------------------------------------------


void setup() { //Setup runs once ***********************************************
  pinMode(LED_BUILTIN, OUTPUT);  //Arduino boards contain an onboard LED_BUILTIN
  pinMode(SpeedEncoL, INPUT_PULLUP); //INPUT_PULLUP
  //digitalWrite(20, HIGH);                             //Enable pullup resistor
  //Timer1.initialize(100000);  //This timer will create an interrupt every 10 s
  //Timer1.attachInterrupt( timerIsr );                        //Start the timer
  //attachInterrupt(SpeedEncoL, docntrL, RISING);   //Increase counter on change
  //attachInterrupt(SpeedEncoR, docntrR, FALLING);  //Increase counter on change
  //delay(1000);       //Needed for IR receiver Wait milliseconds, TIME TO SPARE
  toggle_ledBin();                                           //Show we are awake
}//--(end setup )---------------------------------------------------------------


void loop() { //KEEP ON RUNNING THIS LOOP FOREVER ******************************
  ledBinVal = digitalRead(SpeedEncoL);                           //Read WYC H206
  digitalWrite(LED_BUILTIN, ledBinVal);         //Set Arduino boards onboard LED
} //End of void loop()                       //KEEP ON RUNNING THIS LOOP FOREVER
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void toggle_ledBin(void) { //Toggles the LED_BUILTIN on-board LED on or off ****
  ledBinVal = !ledBinVal;                                         //Toggle value
  digitalWrite(LED_BUILTIN, ledBinVal);         //Set Arduino boards onboard LED
} //Exit toggle_ledBin ---------------------------------------------------------


void docntrR() { //Increases the right wheel speed sensor by 1 *****************
  //cntrR++;                                     //Increase +1 the counter value
  toggle_ledBin();                  //Toggles the default on-board LED on or off
} //Exit docntR ----------------------------------------------------------------


void docntrL() { //Increases the left wheel speed sensor by 1 ******************
  cntrL++;                                       //Increase +1 the counter value
  toggle_ledBin();                  //Toggles the default on-board LED on or off
} //Exit docntL ----------------------------------------------------------------

void timerIsr() { //Timer has reached its maximum ******************************
  //Timer1.detachInterrupt();                                   //Stop the timer
  //Serial.print("Motor Speed R:");
  //Serial.print(cntrR, DEC);
  //Serial.print(" L:");
  //Serial.print(cntrL, DEC);
  //Serial.println(" pulses per 0.1 s");
  //cntrR = 0;                                           //Reset counter to zero
  cntrL = 0;                                             //Reset counter to zero
  //Timer1.attachInterrupt( timerIsr );                 //Enable the timer again
} //Exit timerIsr --------------------------------------------------------------


////////////////////////////////////////////////////////////////////////////////
// PIN ALLOCATIONS TABLE ARDUINO UNO                                          //
// Board -Atmel- PIN - IDE - Function          - Connection               ALT //
//                                                                            //
// CONNECTIONS RAILS TOP LEFT: DIGITAL PWM<~> ******************************* //
// SCL   -  28 - PC5 -19/A5- ADC5/SCL/PCINT13  -                          TWI //
// SDA   -  27 - PC4 -18/A4- ADC4/SDA/PCINT12  -                          TWI //
// AREF  -  21 - REF -     - AREF              -                              //
// GND   -  22 - GND -     - GND               -                              //
// 13    -  19 - PB5 -  13 - SCK/PCINT5        - LED_BUILTIN Arduino      SPI //
// 12    -  18 - PB4 -  12 - MISO/PCINT4       -                          SPI //
// ~11   -  17 - PB3 -  11 - MOSI/OC2A/PCINT3  -                          PWM //
// ~10   -  16 - PB2 -  10 - SS/OC1B/PCINT2    -                          PWM //
// ~9    -  15 - PB1 -   9 - OC1A/PCINT1       -                          PWM //
// 8     -  14 - PB0 -   8 - PCINT0/CLK0/ICP1  -                          DIO //
//                                                                            //
// CONNECTIONS RAILS TOP RIGHT: DIGITAL PWM<~> ****************************** //
// 7     -  13 - PD7 -   7 - PCINT23/AIN1      -                          DIO //
// ~6    -  12 - PD6 -   6 - PCINT22/OCA0/AIN0 -                          PWM //
// ~5    -  11 - PD5 -   5 - PCINT21/OC0B/T1   -                          PWM //
// ~4    -   6 - PD4 -   4 - PCINT20/XCK/T0    -                          PWM //
// ~3    -   5 - PD3 -   3 - PCINT19/OC2B/INT1 -                          INT //
// ~2    -   4 - PD2 -   2 - PCINT18/INT0      -                          INT //
// TX->1 -   3 - PD1 -   1 - PCINT17/TXD       - Serial monitor           TXD //
// RX<-0 -   2 - PD0 -   0 - PCINT16/RCD       - Serial Monitor           RCD //
//                                                                            //
// CONNECTIONS RAILS BOTTOM LEFT: POWER ************************************* //
// 5V    -   7 - VCC -      - VCC              - Output to breadboard     VCC //
// RES   -   1 - RES -      - PCINT14/RESET    -                          RES //
// 3.3V  -     -     -     -                   -                              //
// 5V    -     -     -     -                   -                              //
// GND   -     -     -     -                   -                              //
// GND   -     -     -     -                   -                              //
// Vin   -     -     -     -                   -                              //
//                                                                            //
// CONNECTIONS RAILS BOTTOM RIGHT: ANALOG IN ******************************** //
// A0    -  23 - PC0 -A0/14- ADC0/PCINT8       -                          ADC //
// A1    -  24 - PC1 -A1/15- ADC1/PCINT9       -                          ADC //
// A2    -  25 - PC2 -A2/16- ADC2/PCINT10      -                          ADC //
// A3    -  26 - PC3 -A3/17- ADC3/PCINT12      -                          ADC //
// A4    -  27 - PC4 -A4/18- ADC4/SDA/PCINT12  -                          TWI //
// A5    -  28 - PC5 -A5/19- ADC5/SCL/PCINT13  -                          TWI //
////////////////////////////////////////////////////////////////////////////////
// EEPROM MEMORY MAP:                                                         //
// Start End  Number Description                                              //
// 0000  0000      1 Never use this memory location to be AVR compatible      //
////////////////////////////////////////////////////////////////////////////////
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