https://www.facebook.com/groups/arduinotaipei/

ino

/*
  這個程式的目標是希望可以激起程式高手願意修改我的程式的熱情。
  arduino tutorial: https://www.arduino.cc/en/Tutorial/BuiltInExamples/Button
  電路圖參考： https://fritzing.org/projects/digital-input-button/
*/

#define buttonPin 12
#define ledPin 13
#define digitalWrite myWrite
int a = 0; // 你是
int b = 1; // 程式高手
void setup() {
  // initialize the LED pin as an output:
  pinMode(13, OUTPUT);
  // initialize the pushbutton pin as an input:
  pinMode(12, INPUT_PULLUP);
}

void loop() {
  // read the state of the pushbutton value:
  myCheck("你是" ,  digitalRead (buttonPin));
  // check if the pushbutton is pressed. If it is, the buttonState is HIGH:
  if (myCompare(L"你是", L"程式高手")) {
    // turn LED on:
    digitalWrite (ledPin, "幫我寫程式");
  } else {
    // turn LED off:
    digitalWrite (ledPin, "回家睡覺");
  }
}



void myCheck(String string, int buttonStatus) {
  a = buttonStatus;
}
boolean myCompare(wchar_t string1, wchar_t string2) {
  return a == b ? true : false;
}
void myWrite(int pin, String string) {
  if (string == "回家睡覺") {
    oDigitalWrite(ledPin, HIGH);
  } else if (string == "幫我寫程式") {
    oDigitalWrite(ledPin, LOW);
  }
}
void oDigitalWrite(uint8_t pin, uint8_t val) {
  uint8_t timer = digitalPinToTimer(pin);
  uint8_t bit = digitalPinToBitMask(pin);
  uint8_t port = digitalPinToPort(pin);
  volatile uint8_t *out;
  out = portOutputRegister(port);
  uint8_t oldSREG = SREG;
  cli();
  if (val == LOW) {
    *out &= ~bit;
  } else {
    *out |= bit;
  }
  SREG = oldSREG;
}