/* 开关全局中断的宏 */
#define ENABLE_INT()   __set_PRIMASK(0) /* 使能全局中断 */
#define DISABLE_INT()  __set_PRIMASK(1) /* 禁止全局中断 */
void JumpToApp(void)
{
  volatile uint32 m_JumpAddress = 0;
  pFunction Jump_To_Application;

  if(((*(vu32*)APPLICATIONADDRESS) & 0x2FFE0000) == 0x20000000)
  {
    DISABLE_INT();
    //SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
    SysTick->CTRL = 0;
    SysTick->LOAD = 0;
    SysTick->VAL = 0;

    // SYS_TIMER->SR = (uint16_t)~TIM_IT_Update;
    // SYS_TIMER->DIER &= (uint16_t)~TIM_IT_Update;
    // SYS_TIMER->CR1 &= (uint16_t)~TIM_CR1_CEN;
    RCC_DeInit();  //设置所有时钟到默认状态，使用 HSI 时钟
    /* 关闭所有中断，清除所有中断挂起标志 */
    for(uint8 i = 0; i < 8; i++)
    {
      NVIC->ICER[i]=0xFFFFFFFF;
      NVIC->ICPR[i]=0xFFFFFFFF;
    }
    ENABLE_INT();
    // Jump to user application /
    m_JumpAddress = *(vu32*)(APPLICATIONADDRESS + 4);
    Jump_To_Application = (pFunction) m_JumpAddress;

    // Initialize user application's Stack Pointer /
    __set_MSP(*(vu32*) APPLICATIONADDRESS);
    __set_CONTROL(0);  //在 RTOS 工程，这条语句很重要，设置为特权级模式，使用 MSP 指针
    Jump_To_Application();
  }
}