STM32开发 -- 系统软复位

方法：

void	CPU_Reset(void)
{
		/* system soft reset */
		NVIC_SystemReset();		// 函数在core_m3.c中
		while(1);
}

__NVIC_SystemReset：

/**
  \brief   System Reset
  \details Initiates a system reset request to reset the MCU.
 */
__STATIC_INLINE void __NVIC_SystemReset(void)
{
  __DSB();                                                          /* Ensure all outstanding memory accesses included
                                                                       buffered write are completed before reset */
  SCB->AIRCR  = (uint32_t)((0x5FAUL << SCB_AIRCR_VECTKEY_Pos)    |
                           (SCB->AIRCR & SCB_AIRCR_PRIGROUP_Msk) |
                            SCB_AIRCR_SYSRESETREQ_Msk    );         /* Keep priority group unchanged */
  __DSB();                                                          /* Ensure completion of memory access */

  for(;;)                                                           /* wait until reset */
  {
    __NOP();
  }
}

系统软复位，也可以这么写：

void Sys_Soft_Reset(void)
{   
	SCB->AIRCR =0X05FA0000|(u32)0x04;	  
}