/*
  XIAO USB Keyboard.example.
  http://yuichitamiya.fabcloud.io/fab16/How_to/program/

  Google map help
  https://support.google.com/maps/answer/6396990?co=GENIE.Platform%3DDesktop&hl=ja
  Ctrl+/ to show help menu
*/

// https://github.com/cyborg5/TinyUSB_Mouse_and_Keyboard
#include <TinyUSB_Mouse_and_Keyboard.h>

//HID KEYCODE
//https://www.arduino.cc/reference/en/language/functions/usb/keyboard/keyboardmodifiers/


//uint8_t pins[] = { A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8 }; //A9:no-use,A10:JACK_L
uint8_t pins[] = { 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 10}; //9:no-use, 10:JACK_L
uint8_t pincount = sizeof(pins)/sizeof(pins[0]);


/*
 Board 2
|8|4|3|
|6|<|>|
|5|0|1|
|7|x|2|
*/
uint8_t Key0;
uint8_t Key1;
uint8_t Key2;
uint8_t Key3; 
uint8_t Key4;
uint8_t Key5;
uint8_t Key6;
uint8_t Key7;
uint8_t Key8;
uint8_t Key10;


void setup() {
  Keyboard.begin();
  // led pin
  pinMode(LED_BUILTIN, OUTPUT);
  digitalWrite(LED_BUILTIN, HIGH);

  // Set up pin as input
  for (uint8_t i=0; i<pincount; i++)
  {
    pinMode(pins[i], INPUT_PULLUP);// pinMode(0, INPUT_PULLUP); 0 to 8
  }
}

void loop() {
  
  Key0 = digitalRead(pins[0]);
  Key1 = digitalRead(pins[1]);
  Key2 = digitalRead(pins[2]);
  Key3 = digitalRead(pins[3]);
  Key4 = digitalRead(pins[4]);
  Key5 = digitalRead(pins[5]);
  Key6 = digitalRead(pins[6]);
  Key7 = digitalRead(pins[7]);
  Key8 = digitalRead(pins[8]);
  Key10 = digitalRead(pins[9]);//pin10 sensor_in


  // XIAOでは、LOW = On = key pressed
  if (Key0 == LOW ) {
    Key0_act();
  }
  if (Key1 == LOW ) {
    Key1_act();
  }
  if (Key2 == LOW ) {
    Key2_act();
  }
  if (Key3 == LOW ) {
    Key3_act();
  }
  if (Key4 == LOW ) {
    Key4_act();
  }
  if (Key5 == LOW ) {
    Key5_act();
  }
  if (Key6 == LOW ) {
    Key6_act();
  }
  if (Key7 == LOW ) {
    Key7_act();
  }
  if (Key8 == LOW ) {
    Key8_act();
  }
  if (Key10 == LOW ) {//pin10 sensor_in
    Key3_act();
  }
}


void Key0_act() {
  // <-
  Keyboard.press(KEY_RIGHT_ARROW);
  delay(400);
  Keyboard.releaseAll();

  digitalWrite(LED_BUILTIN, LOW);// XIAOでは、LOW = On
  KeyRelease();
}

void Key1_act() {
  // ->
  Keyboard.press(KEY_LEFT_ARROW);
  delay(400);
  Keyboard.releaseAll();

  digitalWrite(LED_BUILTIN, LOW);
  KeyRelease();
}

void Key2_act() {
  // down arrow
  Keyboard.press(KEY_DOWN_ARROW);
  Keyboard.releaseAll();

  digitalWrite(LED_BUILTIN, LOW);
  KeyRelease();
}

void Key3_act() {
  // up arrow
  Keyboard.press(KEY_UP_ARROW);
  //delay(500);
  Keyboard.releaseAll();

  digitalWrite(LED_BUILTIN, LOW);
  KeyRelease();
}


void Key4_act() {
  // move to right tab
  Keyboard.press(KEY_LEFT_GUI);
  Keyboard.press(KEY_RIGHT_ALT);
  Keyboard.press(KEY_RIGHT_ARROW);
  Keyboard.releaseAll();

  digitalWrite(LED_BUILTIN, LOW);
  KeyRelease();
}

/*
 Board 2
|8|4|3|
|6|<|>|
|5|0|1|
|7|x|2|
*/

void Key8_act() {

 //select url
  Keyboard.press(KEY_LEFT_GUI);
  Keyboard.write('l');
  Keyboard.releaseAll();
  delay(100);
  //copy
  Keyboard.press(KEY_LEFT_GUI);
  Keyboard.write('c');
  Keyboard.releaseAll();
  delay(1000);

  digitalWrite(LED_BUILTIN, LOW);
  KeyRelease();
}


void Key6_act() {
 
  //move to left tab
  Keyboard.press(KEY_LEFT_GUI);
  Keyboard.press(KEY_RIGHT_ALT);
  Keyboard.press(KEY_LEFT_ARROW);
  // run spreadsheet script
  Keyboard.press(KEY_LEFT_GUI);
  Keyboard.press(KEY_RIGHT_ALT);
  Keyboard.press(KEY_LEFT_SHIFT);
  Keyboard.write('1');
  Keyboard.releaseAll();
  delay(3000);
  // paste
  Keyboard.press(KEY_LEFT_GUI);
  Keyboard.write('v');
  Keyboard.releaseAll();
  delay(100);

  digitalWrite(LED_BUILTIN, LOW);
  KeyRelease();
}

void Key5_act() {

  // move to right tab
  Keyboard.press(KEY_LEFT_GUI);
  Keyboard.press(KEY_RIGHT_ALT);
  Keyboard.press(KEY_RIGHT_ARROW);
  Keyboard.releaseAll();
  // tab to forcus screen
  Keyboard.press(KEY_TAB);
  
  digitalWrite(LED_BUILTIN, LOW);
  KeyRelease();
}

void Key7_act() {
  // tab to forcus screen
  Keyboard.press(KEY_TAB);

  digitalWrite(LED_BUILTIN, LOW);
  KeyRelease();
}


void KeyRelease() {
  Keyboard.releaseAll();
  delay(500);
  digitalWrite(LED_BUILTIN, HIGH);// XIAOでは、HIGH = Off
}