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December 16, 2018 17:02
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//***************************************************************************** | |
// | |
// blinky.c - Simple example to blink the on-board LED. | |
// | |
// Copyright (c) 2011-2017 Texas Instruments Incorporated. All rights reserved. | |
// Software License Agreement | |
// | |
// Texas Instruments (TI) is supplying this software for use solely and | |
// exclusively on TI's microcontroller products. The software is owned by | |
// TI and/or its suppliers, and is protected under applicable copyright | |
// laws. You may not combine this software with "viral" open-source | |
// software in order to form a larger program. | |
// | |
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS. | |
// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT | |
// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY | |
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL | |
// DAMAGES, FOR ANY REASON WHATSOEVER. | |
// | |
// This is part of revision 2.1.4.178 of the DK-TM4C123G Firmware Package. | |
// | |
//***************************************************************************** | |
#include <stdint.h> | |
#include <stdbool.h> | |
#include "inc/hw_memmap.h" | |
#include "driverlib/debug.h" | |
#include "driverlib/gpio.h" | |
#include "driverlib/sysctl.h" | |
//***************************************************************************** | |
// | |
//! \addtogroup example_list | |
//! <h1>Blinky (blinky)</h1> | |
//! | |
//! A very simple example that blinks the on-board LED. | |
// | |
//***************************************************************************** | |
//***************************************************************************** | |
// | |
// The error routine that is called if the driver library encounters an error. | |
// | |
//***************************************************************************** | |
#ifdef DEBUG | |
void | |
__error__(char *pcFilename, uint32_t ui32Line) | |
{ | |
while(1); | |
} | |
#endif | |
//***************************************************************************** | |
// | |
// Blink the on-board LED. | |
// | |
//***************************************************************************** | |
int | |
main(void) | |
{ | |
volatile uint32_t ui32Loop; | |
// | |
// Enable the GPIO port that is used for the on-board LED. | |
// | |
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOG); | |
// | |
// Check if the peripheral access is enabled. | |
// | |
while(!SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOG)) | |
{ | |
} | |
// | |
// Enable the GPIO pin for the LED (PG2). Set the direction as output, and | |
// enable the GPIO pin for digital function. | |
// | |
GPIOPinTypeGPIOOutput(GPIO_PORTG_BASE, GPIO_PIN_2); | |
// | |
// Loop forever. | |
// | |
while(1) | |
{ | |
// | |
// Turn on the LED. | |
// | |
GPIOPinWrite(GPIO_PORTG_BASE, GPIO_PIN_2, GPIO_PIN_2); | |
// | |
// Delay for a bit. | |
// | |
for(ui32Loop = 0; ui32Loop < 200000; ui32Loop++) | |
{ | |
} | |
// | |
// Turn off the LED. | |
// | |
GPIOPinWrite(GPIO_PORTG_BASE, GPIO_PIN_2, 0); | |
// | |
// Delay for a bit. | |
// | |
for(ui32Loop = 0; ui32Loop < 200000; ui32Loop++) | |
{ | |
} | |
} | |
} |
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