gistfile1.txt

#include <helium.h>

#include <SPI.h>


/* Test only for springer: */
#define SPEAKERPIN      5    // speaker connected to digital pin 9
#define SPEAKERPINOPP   6    // Invert the opposite pin to make the speaker louder
void beep (float noteFrequency, long noteDuration);


HeliumModem *modem;
int count;
u32 loopCtr;

void setup(void)
{
    // Configure both speaker pins
    pinMode(SPEAKERPIN, OUTPUT); // sets the SPEAKERPIN to be an output
    pinMode(SPEAKERPINOPP, OUTPUT); // sets the SPEAKERPIN to be an output

    modem = new HeliumModem();
}

void loop (void)
{
    DataUnpack *dp = modem->loop();
    if (dp)
    {
        // Process input data
        // blink LED
        beep(600, 50);

        // User MUST delete the dp object:
        delete dp;
    }
    // Send stuff
    /* if (loopCtr++ == 50000) */
    /* { */
    /*     DataPack dp(1,1,1,3); */
    /*     dp.appendU8(33); */
    /*     dp.appendU16(1000); */
    /*     dp.appendString((char*)"sharkfed"); */

    /*     modem->sendPack(&dp); */
    /* } */

    if (loopCtr++ >  100000)
    {
        DataPack dp(1,1,1,3);
        dp.appendU8(33);
        dp.appendU16(1000);
        dp.appendString((char*)"sharkfed");

        modem->sendPack(&dp);
        //ModemStatus *stat;
        //beep(900, 40);
        char msg[20];
        sprintf(msg, "Arduino seq #%d", count++);
        modem->sendDebugMsg(msg);

        modem->sleep(1);
        /* stat = modem->getStatus(); */

        loopCtr = 0;
    }
}


void beep (float noteFrequency, long noteDuration)
{
    int x;
    // Convert the frequency to microseconds
    float microsecondsPerWave = 1000000/noteFrequency;
    // Calculate how many HIGH/LOW cycles there are per millisecond
    float millisecondsPerCycle = 1000/(microsecondsPerWave * 2);
    // Multiply noteDuration * number or cycles per millisecond
    float loopTime = noteDuration * millisecondsPerCycle;
    // Play the note for the calculated loopTime.
    for (x=0;x<loopTime;x++)
    {
        digitalWrite(SPEAKERPIN,HIGH);
        digitalWrite(SPEAKERPINOPP,LOW);
        delayMicroseconds(microsecondsPerWave);
        digitalWrite(SPEAKERPIN,LOW);
        digitalWrite(SPEAKERPINOPP,HIGH);
        delayMicroseconds(microsecondsPerWave);
    }
}