main.c

基于MDK的LPC1100处理器开发应用例程

/******************** (C) COPYRIGHT 2010 Embest Info&Tech Co.,LTD. ************
* 文件名: main.c
* 作者  : Wuhan R&D Center, Embest
* 日期  : 01/18/2010
* 描述  : 主程序源文件.
*******************************************************************************
*******************************************************************************
* 历史:
* 01/18/2010		 : V1.0		   初始版本
*******************************************************************************/
/* Includes ------------------------------------------------------------------*/
/* LPC11xx 定义 */
#include "LPC11xx.h"                        
#include "timer32.h"
#include "gpio.h"
		

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* 0 或 1 选择32-位定时器 */
#define TEST_TIMER_NUM		0		
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/


extern volatile uint32_t timer32_0_counter;
extern volatile uint32_t timer32_1_counter;


/**
  * @函数名：main
  * @描述：主函数 
  * @参数： 无
  * @返回值：无
  */
int main (void) {
  SystemInit();

  /* TEST_TIMER_NUM是0或1对应着32位定时器0或1。*/
  init_timer32(TEST_TIMER_NUM, TIME_INTERVAL);
  enable_timer32(TEST_TIMER_NUM);

  /* 使能AHB时钟到GPIO域。*/
  LPC_SYSCON->SYSAHBCLKCTRL |= (1<<6);
  
  /* 设置端口2的0位输出*/
  GPIOSetDir( 2, 0, 1 );

  /* 永远循环 */
  while (1)                                
  {
#if TEST_TIMER_NUM
/* 循环定时闪烁LED灯D4。*/
	if ( (timer32_1_counter > 0) && (timer32_1_counter <= 50) )
	{
	  GPIOSetValue( 2, 0, 0 );
	}
	if ( (timer32_1_counter > 50) && (timer32_1_counter <= 100) )
	{
	  GPIOSetValue( 2, 0, 1 );
	}
	else if ( timer32_1_counter > 100 )
	{
	  timer32_1_counter = 0;
	}
#else
/* 循环定时闪烁LED灯D5。*/
	if ( (timer32_0_counter > 0) && (timer32_0_counter <= 50) )
	{
	  GPIOSetValue( 2, 0, 0 );
	}
	if ( (timer32_0_counter > 50) && (timer32_0_counter <= 100) )
	{
	  GPIOSetValue( 2, 0, 1 );
	}
	else if ( timer32_0_counter > 100 )
	{
	  timer32_0_counter = 0;
	}
#endif
  }
}
/**
  * @}
  */ 

/**
  * @}
  */ 
/************* (C) COPYRIGHT 2010 Wuhan R&D Center, Embest *****文件结束*******/