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Sending words trough serial

dirtdiver

Hello everyone,

 

Can I send words trough serial . like when I send the word "go" the arduino receives "go" and do whatever its programed to do.

I obviously cant use

 

int val =  Serial.read ();

 

So i need someting like

 

text val = Serial.read ();          // i dont know how to switch the int with a text input

//and

if (val == go){

 

do something

 

}

  • 0

    This snipet of code from my morsecode generator project should enlighten you.

     

     

    const unsigned int MAX_MESSAGE_LEN = 128;

    const unsigned int BAUD_RATE = 9600;

    const int LINE_FEED = 13;

     

    char message_text[MAX_MESSAGE_LEN];

    int index = 0;

     

    void setup() {

      Serial.begin(BAUD_RATE);

    }

     

    void loop() {

      if (Serial.available() > 0) {

        int current_char = Serial.read();

        if (current_char == LINE_FEED || index == MAX_MESSAGE_LEN - 1) {

          message_text[index] = 0;

          index = 0;

          if (message_text == "go") {       

              GoDoSomething();

         }

        }

        else {

          message_text[index++] = current_char;

        }

      }

    }

     

    N.B.  There are probably other ways to do the input buffer read but this way works for me in this app.

     

    Syntax matters.

     

    I need the 50 points for the correct answer. Thanks.