demo.c

基于周立功公司的EasyARM615开发套件的串口驱动程序

/****************************************Copyright (c)**************************************************
**                               Guangzhou ZHIYUAN electronics Co.,LTD.
**                                     
**                                 http://www.embedtools.com
**
**--------------File Info-------------------------------------------------------------------------------
** File Name:       demo.c
** Last modified    2008.03.12 
** Last Version:    v1.0
** Description:     Bootloader 测试程序
** 
**------------------------------------------------------------------------------------------------------
** Created By:      Liao maogang
** Created date:    2008.03.12 
** 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_6

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);
    GPIOPadConfigSet(GPIO_PORTB_BASE, PINS, GPIO_STRENGTH_2MA,
                     GPIO_PIN_TYPE_STD);                                /*  设置管脚为上拉驱动          */
    GPIODirModeSet(GPIO_PORTB_BASE, PINS, GPIO_DIR_MODE_OUT);

    while(1) {
       GPIOPinWrite(GPIO_PORTB_BASE, PINS, PINS);
       delay(200000);
       GPIOPinWrite(GPIO_PORTB_BASE, PINS, ~PINS);
       delay(200000);
    }
}

/*********************************************************************************************************
  END FILE
*********************************************************************************************************/