[参考译文] TM4C1294KCPDT：调用 SysCtlClockFreqSet()时、TM4C1294KCPDT 转到 FaultISR

#include <stdint.h>
#include <stdbool.h>
#include "Config.h"

//
#include "driverlib/sysctl.h"
#include "driverlib/interrupt.h"
#include "inc/hw_gpio.h"
#include "driverlib/rom.h"
#include "driverlib/rom_map.h"
#include "driverlib/gpio.h"
#include "driverlib/pin_map.h"
#include "inc/hw_memmap.h"
#include "inc/hw_ints.h"


uint32_t clockFreq = 0;
uint32_t counter = 0;

int main(void)
{
    uint8_t state = 0;

    clockFreq = SysCtlClockFreqSet
                        (
                            (SYSCTL_XTAL_25MHZ | SYSCTL_OSC_MAIN | SYSCTL_USE_PLL | SYSCTL_CFG_VCO_240),
                            120000000
                        );


    SysCtlPeripheralEnable(SYSCTL_PERIPH_GPION);
    GPIOPinTypeGPIOOutput(GPIO_PORTN_BASE, GPIO_PIN_2);

    while(1)
    {
        counter++;


        if (state)
        {
            state = 0;
            GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_2, GPIO_PIN_2);    // Logic LOW is shut down asserted
        }
        else
        {
            state = 1;
            GPIOPinWrite(GPIO_PORTN_BASE, GPIO_PIN_2, 0);    // Logic LOW is shut down asserted
        }

        SysCtlDelay(clockFreq / (10000 * 3));
    }
}