[参考译文] EK-TM4C1294XL：EK-TM4C1294XL

您好、Felix、  

 这是我使用的代码、实际上来自您。 我甚至没有提交 MAC 地址更改。 但是、我首先解锁器件、以便在运行程序之前 MAC 全部为0xF。  

#include <stdint.h>
#include <stdbool.h>
#include "inc/hw_types.h"
#include "inc/hw_memmap.h"
#include "driverlib/sysctl.h"
#include "driverlib/gpio.h"
#include "driverlib/pin_map.h"
#include "driverlib/rom.h"
#include "driverlib/rom_map.h"
#include "driverlib/eeprom.h"
#include "driverlib/flash.h"
#include "driverlib/uart.h"
#include "utils/uartstdio.h"



//*****************************************************************************
//
// Define pin to LED mapping.
//
//*****************************************************************************

//*****************************************************************************
//
//! \addtogroup example_list
//! <h1>Project Zero (project0)</h1>
//!
//! This example demonstrates the use of TivaWare to setup the clocks and
//! toggle GPIO pins to make the LED blink. This is a good place to start
//! understanding your launchpad and the tools that can be used to program it.
//
//*****************************************************************************

#define USER_LED1  GPIO_PIN_0
#define USER_LED2  GPIO_PIN_1

uint32_t ui32SysClock;


//*****************************************************************************
//
// The error routine that is called if the driver library encounters an error.
//
//*****************************************************************************
#ifdef DEBUG
void
__error__(char *pcFilename, uint32_t ui32Line)
{
}
#endif

void
ConfigureUART(void)
{
	//
	// Enable the GPIO Peripheral used by the UART.
	//
	MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);

	//
	// Enable UART0
	//
	MAP_SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);

	//
	// Configure GPIO Pins for UART mode.
	//
	MAP_GPIOPinConfigure(GPIO_PA0_U0RX);
	MAP_GPIOPinConfigure(GPIO_PA1_U0TX);
	MAP_GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);

	//
	// Initialize the UART for console I/O.
	//
	UARTStdioConfig(0, 115200, ui32SysClock);
}
//*****************************************************************************
//
// Main 'C' Language entry point.  Toggle an LED using TivaWare.
//
//*****************************************************************************
int
main(void)
{
	uint32_t usermem0, usermem1;

	//
	// Run from the PLL at 120 MHz.
	//
	ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
			SYSCTL_OSC_MAIN |
			SYSCTL_USE_PLL |
			SYSCTL_CFG_VCO_480), 120000000);

	ConfigureUART();



	if(FlashAllUserRegisterSet(0x12345678, 0xFFE097F9, 0xFFFFFFFF, 0xFFFFFFFF) != 0)
	{
		UARTprintf("Failed to write MAC address\n");
	}

	SysCtlDelay(SysCtlClockGet()/3);

	MAP_FlashUserGet(&usermem0, &usermem1);
	while(1);
}