demo.c

easyarm1001_CDROM.rar 需要的快快下载

/****************************************Copyright (c)**************************************************
**                               Guangzhou ZHIYUAN electronics Co.,LTD.
**                                     
**                                 http://www.embedtools.com
**
**--------------File Info-------------------------------------------------------------------------------
** File Name: demo.c
** Last modified Date: 2006-11-15 
** Last Version: v1.0
** Description: Cross Studio for ARM Demo程序
** 
**------------------------------------------------------------------------------------------------------
** Created By: Zhou Lishan
** Created date: 2006-11-15 
** Version: v1.0
** Descriptions:
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Description:
**
********************************************************************************************************/
#include "hw_ints.h"
#include "hw_memmap.h"
#include "hw_types.h"
#include "gpio.h"
#include "sysctl.h"

#define PINS    GPIO_PIN_4

void delay(int d)
{
  for( ; d; --d);
}

int main(void)
{
    SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
                   SYSCTL_XTAL_6MHZ);

    SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
    GPIODirModeSet(GPIO_PORTB_BASE, GPIO_PIN_4, GPIO_DIR_MODE_OUT);
    while(1)
    {
       GPIOPinWrite(GPIO_PORTB_BASE,PINS,PINS);
       delay(200000);
       GPIOPinWrite(GPIO_PORTB_BASE,PINS,~PINS);
       delay(200000);
    }
  
}