main.c

用 Hitex 工具软件开发 stm32 的例子

/* 
 ********************************************************************
 * Project:     Systick example demo for STM32
 * File:    	main.cpp
 *
 * System:   	Cortex-M3 32 Bit
 * Compiler:  	Tasking
 *
 * Date:      	2007-09-26
 * Author:    	Wenz
 *
 * Rights:    	Hitex Development Tools GmbH
 *            	Greschbachstr. 12
 *            	D-76229 Karlsruhe
 ********************************************************************
 * Description:
 *
 *  main module. entry to user application
 *	
 ********************************************************************
 * History:
 *
 *  Revision 1.0    2007/09/27      We
 *     Initial revision 
 *
 *
 ********************************************************************
 * This is a preliminary version.
 *
 * WARRANTY:  HITEX warrants that the media on which the SOFTWARE is 
 * furnished is free from defects in materials and workmanship under 
 * normal use and service for a period of ninety (90) days. HITEX entire
 * liability and your exclusive remedy shall be the replacement of the 
 * SOFTWARE if the media is defective. This Warranty is void if failure
 * of the media resulted from unauthorized modification, accident, abuse,
 * or misapplication.
 *
 * DISCLAIMER:  OTHER THAN THE ABOVE WARRANTY, THE SOFTWARE IS FURNISHED
 * "AS IS" WITHOUT WARRANTY OF ANY KIND. HITEX DISCLAIMS ALL OTHER WARRANTIES,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * NEITHER HITEX NOR ITS AFFILIATES SHALL BE LIABLE FOR ANY DAMAGES ARISING
 * OUT OF THE USE OF OR INABILITY TO USE THE SOFTWARE, INCLUDING DAMAGES FOR
 * LOSS OF PROFITS, BUSINESS INTERRUPTION, OR ANY SPECIAL, INCIDENTAL, INDIRECT
 * OR CONSEQUENTIAL DAMAGES EVEN IF HITEX HAS BEEN ADVISED OF THE POSSIBILITY 
 * OF SUCH DAMAGES.
 ********************************************************************/

#include "main.h"
#include "cortexm3_macro.h"
#include "stm32f10x_lib.h"

NVIC_InitTypeDef NVIC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_ClocksTypeDef RCC_ClockFreq;
static vu32 TimingDelay;

/* Private function prototypes -----------------------------------------------*/
void RCC_Configuration(void);
void NVIC_Configuration(void);
void Delay(vu32 nTime);

unsigned int i = 0, j = 0;

void main (void)
{
#ifdef DEBUG
  debug();
#endif
   /* NVIC configuration ------------------------------------------------------*/
  NVIC_Configuration();

  /* SysTick end of count event each 1ms with input clock equal to 9MHz (HCLK/8) */
  SysTick_SetReload(9000);

  /* Enable SysTick interrupt */
  SysTick_ITConfig(ENABLE);
 while(1)
 {
    for (i = 100; i > 0;i--)
      {
      Delay(500);    
      j++ ;
      }
  }
}
/*******************************************************************************
* Function Name  : NVIC_Configuration
* Description    : Configures Vector Table base location.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void NVIC_Configuration(void)
{
#ifdef  VECT_TAB_RAM  
  /* Set the Vector Table base location at 0x20000000 */ 
  NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0); 
#else  /* VECT_TAB_FLASH  */
  /* Set the Vector Table base location at 0x08000000 */ 
  NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);   
#endif
}

/*******************************************************************************
* Function Name  : Delay
* Description    : Inserts a delay time.
* Input          : nTime: specifies the delay time length, in milliseconds.
* Output         : None
* Return         : None
*******************************************************************************/
void Delay(u32 nTime)
{
  /* Enable the SysTick Counter */
  SysTick_CounterCmd(SysTick_Counter_Enable);
  
  TimingDelay = nTime;

  while(TimingDelay != 0);

  /* Disable SysTick Counter */
  SysTick_CounterCmd(SysTick_Counter_Disable);
  /* Clear SysTick Counter */
  SysTick_CounterCmd(SysTick_Counter_Clear);
}

/*******************************************************************************
* Function Name  : TimingDelay_Decrement
* Description    : Decrements the TimingDelay variable.
* Input          : None
* Output         : TimingDelay
* Return         : None
*******************************************************************************/
void TimingDelay_Decrement(void)
{
  if (TimingDelay != 0x00)
  { 
    TimingDelay--;
  }
}


#ifdef  DEBUG
/*******************************************************************************
* Function Name  : assert_failed
* Description    : Reports the name of the source file and the source line number
*                  where the assert error has occurred.
* Input          : - file: pointer to the source file name
*                  - line: assert error line source number
* Output         : None
* Return         : None
*******************************************************************************/
void assert_failed(u8* file, u32 line)
{ 
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  /* Infinite loop */
  while (1)
  {
  }
}
#endif

/******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/