embeded/Cortex-M4 Ti2016.12.20 10:49

my Ti 계정 있어야 함

진즉에 검색해볼걸 그랬나...


SW-DK-TM4C123G-2.1.3.156.exeDK-TM4C123GL Kit Software60168K

[링크 : http://software-dl.ti.com/tiva-c/SW-TM4C/latest/index_FDS.html]



소스 기본 골격 자체는 lm3s1968이랑 차이가 없네

    //
    // Check to see if Hibernation module is already active, which could mean
    // that the processor is waking from a hibernation.
    //
    if(HibernateIsActive())
    {
        //
        // Read the status bits to see what caused the wake.
        //
        ui32Status = HibernateIntStatus(0);
        HibernateIntClear(ui32Status);

        //
        // If the wake is due to button or RTC, then read the first location
        // from the battery backed memory, as the hibernation count.
        //
        if(ui32Status & (HIBERNATE_INT_PIN_WAKE | HIBERNATE_INT_RTC_MATCH_0))
        {
            HibernateDataGet(&ui32HibernateCount, 1);
        }
    }

    //
    // Enable the Hibernation module.  This should always be called, even if
    // the module was already enabled, because this function also initializes
    // some timing parameters.
    //
    HibernateEnableExpClk(ROM_SysCtlClockGet());

    //
    // If the wake was not due to button or RTC match, then it was a reset.
    //
    if(!(ui32Status & (HIBERNATE_INT_PIN_WAKE | HIBERNATE_INT_RTC_MATCH_0)))
    {
        //
        // Configure the module clock source.
        //
        HibernateClockConfig(HIBERNATE_OSC_LOWDRIVE);

        //
        // Wait a couple of seconds in case we need to break in with the
        // debugger.
        //
        SysTickWait(3 * 100);

        //
        // Allow time for the crystal to power up.  This line is separated from
        // the above to make it clear this is still needed, even if the above
        // delay is removed.
        //
        SysTickWait(15);
    }

    //
    // Clear and enable the RTC and set the match registers to 5 seconds in the
    // future. Set both to same, though they could be set differently, the
    // first to match will cause a wake.
    //
    HibernateRTCSet(0);
    HibernateRTCEnable();
    HibernateRTCMatchSet(0, 5);

    //
    // Set wake condition on pin or RTC match.  Board will wake when 5 seconds
    // elapses, or when the button is pressed.
    //
    HibernateWakeSet(HIBERNATE_WAKE_PIN | HIBERNATE_WAKE_RTC);

    //
    // Request hibernation.
    //
    HibernateRequest();


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