void SysTick_Handler (void)
{
OS_CPU_SR cpu_sr;
OS_ENTER_CRITICAL(); /* Tell uC/OS-II that we are starting an ISR */
OSIntNesting++;
OS_EXIT_CRITICAL();
OSTimeTick(); /* Call uC/OS-II's OSTimeTick() */
OSIntExit(); /* Tell uC/OS-II that we are leaving the ISR */
}
void Isr_TIMER0(void)
{
u32 uTmp;
uTmp = Inp32(rTINT_CSTAT);
uTmp = (uTmp & 0x1f)| (1<<5);
Outp32(rTINT_CSTAT,uTmp); // Timer0 Interrupt Clear register
UART_Printf("Timer0\n");
g_uIntCounter0++;
INTC_ClearVectAddr();
OSTimeTick();
}
void SysTick_Handler(void)
{
#if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
OS_CPU_SR cpu_sr = 0;
#endif
OS_ENTER_CRITICAL(); /* Tell uC/OS-II that we are starting an ISR */
OSIntNesting++;
OS_EXIT_CRITICAL();
OSTimeTick(); /* Call uC/OS-II's OSTimeTick() */
OSIntExit(); /* Tell uC/OS-II that we are leaving the ISR */
}
void OS_CPU_SysTickHandler (void)
{
#if OS_CRITICAL_METHOD == 3
OS_CPU_SR cpu_sr;
#endif
OS_ENTER_CRITICAL(); /* Tell uC/OS-II that we are starting an ISR */
OSIntNesting++;
OS_EXIT_CRITICAL();
OSTimeTick(); /* Call uC/OS-II's OSTimeTick() */
OSIntExit(); /* Tell uC/OS-II that we are leaving the ISR */
}
/*******************************************************************************
*函数名:
**isr
*功能:各中断跳转，方便代码部分升级
*输入:
*输出:
*说明:
*******************************************************************************/
void sysTickIsr ( void )
{
#if OS_CRITICAL_METHOD ==3
OS_CPU_SR cpu_sr;
#endif
OS_ENTER_CRITICAL();
// OSIntNesting++;
OSIntEnter();
OS_EXIT_CRITICAL();
OSTimeTick(); // Call uC/OS-II's OSTimeTick() 调用uC/OS-II的OSTimeTick()函数
OSIntExit();
}
/**
* @brief This function handles SysTick Handler.
* @param None
* @retval None
*/
void SysTick_Handler(void)
{
OS_CPU_SR cpu_sr;
HAL_IncTick();
if(OSRunning > 0u) /*系统运行之后在开始调度*/
{
OS_ENTER_CRITICAL(); /* Tell uC/OS-II that we are starting an ISR */
OSIntEnter();
OS_EXIT_CRITICAL();
OSTimeTick(); /* Call uC/OS-II's OSTimeTick() */
OSIntExit();
}
}
/*********************************************************************************************************
* SYS TICK HANDLER
*
* Description: Handle the system tick (SysTick) interrupt, which is used to generate the myos tick
* interrupt.
*
* Arguments : none.
*
* Note(s) : 1) This function MUST be placed on entry 15 of the Cortex-M3 vector table.
*********************************************************************************************************
*/
void SysTick_Handler (void)
{
OS_CPU_SR cpu_sr;
cpu_sr++;
OS_ENTER_CRITICAL(); /* Tell myos that we are starting an ISR */
OSIntNesting++;
OS_EXIT_CRITICAL();
Decrement_TimingDelay();
//
OSTimeTick(); /* Call myos OSTimeTick() */
//
OSIntExit(); /* Tell myos that we are leaving the ISR,在其中实现任务切换 */
}
//*****************************************************************************
//
// The interrupt handler for the SysTick interrupt.
//
//*****************************************************************************
void
SysTickIntHandler(void)
{
OS_ENTER_CRITICAL();
OSIntNesting++;
OS_EXIT_CRITICAL();
OSTimeTick();
OSIntExit();
//
// Call the SoftI2C tick function.
//
//SoftI2CTimerTick(&g_sI2C);
}
ATTRIBUTE_ISR void CORET_IRQHandler(void)
{
CSI_INTRPT_ENTER();
readl(0xE000E010);
#if defined(CONFIG_KERNEL_RHINO)
systick_handler();
#elif defined(CONFIG_KERNEL_FREERTOS)
xPortSysTickHandler();
#elif defined(CONFIG_KERNEL_UCOS)
OSTimeTick();
#endif
CSI_INTRPT_EXIT();
}
__irq void SysTickHandler(void)
{
OS_CPU_SR cpu_sr;
if (OSRunning == OS_TRUE) {
if (OSIntNesting < 255u) {
OS_ENTER_CRITICAL(); //保存全局中断标志,关总中断/* Tell uC/OS-II that we are starting an ISR*/
OSIntNesting++;
OS_EXIT_CRITICAL(); //恢复全局中断标志 /* Increment ISR nesting level */
}
}
OSTimeTick(); /* Call uC/OS-II's OSTimeTick(),在os_core.c文件里定义,主要判断延时的任务是否计时到*/
OSIntExit(); //在os_core.c文件里定义,如果有更高优先级的任务就绪了,则执行一次任务切换
}
//extern led_scan(void);
void SysTick_Handler (void)
{
static int cnt = 0;
enter_interrupt();
tick_ms++;
// led_scan();
if(cnt++ >= 10)
{
jiffies++;
cnt = 0;
OSTimeTick(); /* Call uC/OS-II's OSTimeTick() */
exit_interrupt(1);
return;
}
exit_interrupt(0);
}
void SysTickISR (void)
{
#if APP_OS_EN > 0
#if OS_CRITICAL_METHOD == 3u
OS_CPU_SR cpu_sr;
#endif
OS_ENTER_CRITICAL(); /* Tell uC/OS-II that we are starting an ISR */
OSIntNesting++;
OS_EXIT_CRITICAL();
OSTimeTick(); /* Call uC/OS-II's OSTimeTick() */
OSIntExit(); /* Tell uC/OS-II that we are leaving the ISR */
#else
SysTickTimimg();
#endif
}
void CALLBACK OSTickISR(unsigned int a,unsigned int b,unsigned long c,unsigned long d,unsigned long e)
{
if(!FlagEn)
return; //如果当前中断被屏蔽则返回
SuspendThread(mainhandle); //中止主线程的运行，模拟中断产生.但没有保存寄存器
GetThreadContext(mainhandle, &Context); //得到主线程上下文，为切换任务做准备
OSIntNesting++;
if (OSIntNesting == 1)
{
OSTCBCur->OSTCBStkPtr = (OS_STK *)Context.Esp; //保存当前esp
}
OSTimeTick(); //ucos内部定时
OSIntExit(); //由于不能使用中断返回指令，所以此函数是要返回的
ResumeThread(mainhandle); //模拟中断返回，主线程得以继续执行
}
void __irq IRQ_Timer0(void){ /*定时器0的中断处理程序*/
switch (T0IR)
{case 0x01 : /*MR0中断，*/
T0IR=0X1; /*相应位写入“１”将清除中断标志，写入０无效*/
OSTimeTick(); /*用于任务切换的，把每一个阻塞任务的延时计数器减一，若减完已经为0，
** 若没有等待事件或信号，则在就绪表就绪组中设置相应的标志*******/
break;
case 0x01<<1 :
T0IR=0X1<<1;
break;
case 0x01<<2 :
T0IR=0X1<<2;
break;
case 0x01<<3 :
T0IR=0X1<<3;
break;
case 0x01<<4 : /*CR0中断，表示捕获到了外来事件*/
T0IR=0X1<<4; /*写入１表示清除中断标志*/
break;
case 0x01<<5 :
T0IR=0X1<<5;
break;
case 0x01<<6 :
T0IR=0X1<<6;
break;
case 0x01<<7 :
T0IR=0X1<<7;
break;
default :
break;
}
VICVectAddr=0x00; //中断结束
OSIntExit(); /*任何中断结束后都调用该函数，并在该函数中执行任务切换函数OSIntCtxSw() */
}
void OSTickISR()
{
OSIntEnter();
OSTimeTick();
OSIntExit();
}
//systick中断服务函数，系统心跳
void SysTick_Handler(void)
{
OSIntEnter();//进入中断
OSTimeTick();//调用ucos的时钟服务程序
OSIntExit();//触发任务切换软中断
}
/*********************************************************************************************************
** 函数名称: Timer0_Exception
** 功能描述: 定时器0中断服务程序
** 输 入: 无
**
** 输 出: 无
**
** 全局变量: 无
** 调用模块: OSTimeTick
**
** 作 者: 陈明计
** 日 期: 2004年2月2日
**-------------------------------------------------------------------------------------------------------
** 修改人:
** 日 期:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void Timer0_Exception(void)
{
T0IR = 0x01;
VICVectAddr = 0; // 通知中断控制器中断结束
OSTimeTick();
}
void SysTick_Handler(void) // 非常重要 系统滴答
{
OSIntEnter();
OSTimeTick();
OSIntExit();
}
/**
* @brief This function handles SysTick Handler.
* @param None
* @retval None
*/
void SysTick_Handler(void)
{
OSIntEnter();
OSTimeTick();
OSIntExit();
}
void SysTick_Handler(void)
{
OSIntEnter(); //用于统计中断的嵌套层数，对嵌套层数+1
OSTimeTick(); //统计时间，遍历任务，对延时任务计时减1
OSIntExit(); //对嵌套层数减1，在退出中断前启动任务调度
}
void Timer0Interrupt()
{
rI_ISPC=BIT_TIMER0; // Clear pending bit -- Watchdog timer
OSTimeTick();
}
static void tickISR()
{
OSTimeTick();
timerRegs->CLI = 0;
}