#include "MicroBit.h"
#include "ManagedPrintf.h"

MicroBit uBit;

void displayHello() {
    unsigned long counter = 0;
    while (1) { // loop for ever
        counter++;
        ManagedString mStr = ManagedPrintf::printf("loop count:%lu\n", counter);
        uBit.serial.send(mStr);
        // or just uBit.serial.send(ManagedPrintf::printf("loop count:%lu\n", counter));
        int rtn = uBit.display.scrollAsync("HELLO WORLD!");
        if (rtn == MICROBIT_OK) {
            uBit.serial.send("Display OK\n");
        } else if (rtn == MICROBIT_BUSY) {
            uBit.serial.send("Display Busy\n");
        } else { // error
            uBit.serial.send("Invalid param\n");
        }
        uBit.sleep(1000); // wait 1sec and loop to try and display again
    }
}

int main() {
    uBit.init();
    create_fiber(displayHello); // create fiber and schedule it.
    release_fiber(); // "release the fibers!!"
}