Daveed

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  • in reply to: Audio Delay line #2046

    Daveed
    Member

    Wow, that is perfect, thanks.
    That code seems pretty straight forward and does what I want, a simple echo.

    When I tried this code for the buttons to increment the delay:

     pinMode(5, INPUT_PULLUP);
    pinMode(6, INPUT_PULLUP);
    }
    ...

    loop() {
    if (digitalRead(5) == LOW) {
    delay++;
    }
    if (digitalRead(6) == LOW) {
    delay--;
    }
    ...
    }

    I get:

    “error: ISO C++ forbids incrementing a pointer of type ‘void (*)(long unsigned int)'”

    but I changed to:



    Global variable

    int a = 25; // make a variable I can control with buttons and ++

    setup() {
    ...
    pinMode(5, INPUT_PULLUP);
    pinMode(6, INPUT_PULLUP);
    }
    ...

    loop()


    delay(300);
    // echoDelay is number of memory slots back into the past to read for the echo.
    // must be a factor of 3 because we pack 2 samples into each 3-byte sequence of SRAM.


    int delayValue = 3 * a; //mulyply by 3 for 3-byte SRAM

    echoDelay = analogRead(0) * delayValue;

    {
    if (digitalRead(5) == LOW) {

    a++;


    }
    if (digitalRead(6) == LOW) {

    a--;

    }

    // code for two buttons press at the same tim
    if (digitalRead(5) == LOW && digitalRead(6) == LOW){
    Serial.println();
    Serial.print("BOTH SWITCHES");

    Serial.println();
    }


    }

    and that works well.
    Although I am sure they are more elegant ways to do that.

    Do you think is possible just to query the system to get the delay value to the LCD ? Pressing both buttons, for example, just to send the data to the LCD once, without affecting the the delay too much

    in reply to: What pins are available? #2044

    Daveed
    Member

    Ok, I found my own answer. The shield only uses Digital pins 5-13.

    I think

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