问Arduino HID项目键盘数组

EN

#include <HID-Project.h>
#include <HID-Settings.h>



#include <Adafruit_MCP23017.h>

Adafruit_MCP23017 mcp;
byte inputs[] = {4,5,6,7,8,9};
const int inCount = sizeof(inputs)/sizeof(inputs[0]);
byte outputs[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14};
const int outCount = sizeof(outputs)/sizeof(outputs[0]);

char keys[2][2] = {
  {KEY_SPACE,'j'},
  {'k',KEY_LEFT_SHIFT}
  };

bool keysDown[2][2] = {
  {false, false},
  {false, false}
};

void setup() {
  // put your setup code here, to run once:
  
  mcp.begin();
  for(int i=0; i<outCount; i++){    //declaring all the outputs and setting them high
    mcp.pinMode(outputs[i],OUTPUT);
    mcp.digitalWrite(outputs[i],LOW);
  }
  for(int i=0; i<inCount; i++){     //declaring all the inputs and activating the internal pullup resistor
    pinMode(inputs[i],INPUT_PULLUP);
  }
  Serial.begin(9600);
  Keyboard.begin();
}


  
void loop() {
  // put your main code here, to run repeatedly:
  keyCheck();
  

}

void keyCheck()
{
  for (int i=0; i<2; i++){
    mcp.digitalWrite(outputs[i],LOW);
    for (int j=0; j<2; j++)
    {
      if(digitalRead(inputs[j]) == LOW && keysDown[i][j] == false)
      {      
        Serial.print("Row: ");
        Serial.print(i);
        Serial.println();
        Serial.print("Col: ");
        Serial.print(j);
        Serial.println();
        Serial.print(keys[i][j]);
        Serial.println();
        Keyboard.press(keys[i][j]);
        Serial.println();
        keysDown[i][j] = true;
        Serial.print("KeysDown set to true");
        Serial.println();
      }else if(digitalRead(inputs[j]) == HIGH && keysDown[i][j] == true)
      {
        Serial.print("keysdown set to false");
        Serial.println();
        Keyboard.release(keys[i][j]);
        keysDown[i][j] = false;
      }
      delay(1);
    }
    mcp.digitalWrite(outputs[i], HIGH);
  }
}