STM32新手教程：LED点亮指南

/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name          : main.c
* Author             : MCD Application Team
* Version            : V2.0.1
* Date               : 06/13/2008
* Description        : Main program body.
********************************************************************************
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "stm32f10x_it.h"
/* Private typedef -----------------------------------------------------------*/

/* Private define ------------------------------------------------------------*/

/*神州III号LED灯相关定义*/
#define RCC_GPIO_LED                    RCC_APB2Periph_GPIOF    /*LED使用的GPIO时钟*/
#define LEDn                            4                       /*LED数量*/
#define GPIO_LED                        GPIOF                   /*LED灯使用的GPIO组*/

#define DS1_PIN                         GPIO_Pin_6              /*DS1使用的GPIO管脚*/
#define DS2_PIN                         GPIO_Pin_7 /*DS2使用的GPIO管脚*/
#define DS3_PIN                         GPIO_Pin_8   /*DS3使用的GPIO管脚*/

#define DS4_PIN                         GPIO_Pin_9 /*DS4使用的GPIO管脚*/

/* Private macro -------------------------------------------------------------*/

/* Private variables ---------------------------------------------------------*/
GPIO_InitTypeDef GPIO_InitStructure;
ErrorStatus HSEStartUpStatus;
u8 count=0;
//extern vu32 TimingDelay;
extern vu32 time_delay;//延时时间
/* Private function prototypes -----------------------------------------------*/
void RCC_Configuration(void);
void NVIC_Configuration(void);
void Delay(vu32 nCount);
void Turn_On_LED(u8 LED_NUM);
void delay_ms(volatile unsigned long nms);
void delay_us(volatile unsigned long nus);
//void SysTick_Configuration(void);
//void Delay1(u32 nTime);
//void TimingDelay_Decrement(void);
/* Private functions ---------------------------------------------------------*/

/*******************************************************************************
* Function Name  : main
* Description    : Main program.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
int main(void)