具體介紹：讓一個(gè)燈閃爍，亮500ms后關(guān)閉500ms
流程圖：


仿真圖：



源代碼：
//-----------------------------------------------------------------
//  名稱(chēng): 閃爍的LED
//-----------------------------------------------------------------
//  說(shuō)明: LED按設(shè)定的時(shí)間間隔閃爍
//-----------------------------------------------------------------
#include <pic.h>
#define _XTAL_FREQ 4000000UL
#define LED  RC5             //定義LED
//-----------------------------------------------------------------
// 主程序
//-----------------------------------------------------------------
void main()
{
   TRISC = 0x00;             //設(shè)置整個(gè)PORTC端口為輸出(或設(shè)置TRISC5 = 0;)
   PORTC = 0xFF;             //初始時(shí)輸出全1

   while(1)
   {
 
   }
}
flowcode軟件用流程圖導(dǎo)出的源代碼：
#define MX_PIC_16BIT

//Defines for microcontroller
#define P30F2011
#define MX_CLKS_PER_INST 4
#define MX_SPI1
#define MX_SPI1_PORT_B
#define MX_SPI1_SDI 5
#define MX_SPI1_SDO 4
#define MX_SPI1_SCK 6
#define MX_UART1
#define MX_UART1_PORT_B
#define MX_MI2C1
#define MX_I2C1_PORT_B
#define MX_I2C1_SDA 5
#define MX_I2C1_SCL 4
#define MX_PWM
#define MX_PWM_PORT_D
#define MX_PWM_CNT 2
#define MX_PWM_1 0
#define MX_PWM_2 7

//Functions
#define MX_Fosc 48000000

#include "../support/dsPIC30F/h/p30fxxxx.h"
#include <stdlib.h>
#include <math.h>

#define _RESERVED1(x) int temp1 = (x);
#define _RESERVED2(x) int temp2 = (x);
#define _ICD(x) _FICD(x);

//Configuration data

//Internal functions
#include "F:\Program Files\Matrix Multimedia\Flowcode PIC24&dsPIC V4\FCD\internals.h"

//Macro function declarations

//Variable declarations

 

//Macro implementations

int main()
{
 
 ADPCFG = 0xffff;
 while (1)
 {
  TRISC = TRISC & 0xdfff;
  if ((0<<8))
  PORTC = (LATC & 0xdfff) | 0x2000;
  else
  PORTC = LATC & 0xdfff;
  delay_ms(255);
  delay_ms(245);

  TRISC = TRISC & 0xdfff;
  if ((1<<8))
   PORTC = (LATC & 0xdfff) | 0x2000;
  else
   PORTC = LATC & 0xdfff;

  delay_ms(255);
  delay_ms(245);
 }

 mainendloop: goto mainendloop;
 return 0;
}