请问STM32跑uCOU-II中定时器2进中断小灯闪烁不对该怎么办？

用的是ST3.5的库函数,uCOS-II是用的是2.91版本.在程序中创建了一个LED-red+500ms延时取反的任务,另外还想做一个tiM2的定时器,每个1秒进一次定时器中断取反另一个小灯.也就是一个任务用延时来控制小灯亮灭,另外在写一个定时器2的定时中断函数来控制另一个小灯的亮灭.现在的情况时两个小灯,A闪烁,B不闪烁,然后过一会儿(时间不固定但肯定是超过了我设定的0.5秒和1秒的)变成A不闪烁B闪烁.好苦恼已经看了几天的资料了没有解决办法.下面贴出源码[C] 纯文本查看 复制代码
int main(void){  BSP_Init();OSInit();OSTaskCreate(Task_LED_RED,(void *)0,   &Task_LED_RED_SKT[Task_LED_RED_STK_SIZE-1], Task_LED_RED_PRIO);OSStart();    return 0; }void BSP_Init(void){RCC_Configuration();//配置系统时钟为72M  TIM2_Configuration();//定时器2配置SysTick_init();//初始化并使能SysTick定时器      LED_GPIO_Config();  //LED 端口初始化 USART1_Config();}/* * 函数名：SysTick_init * 描述  ：配置SysTick定时器 * 输入  ：无 * 输出  ：无 */void SysTick_init(void){    SysTick_Config(SystemCoreClock/OS_TICKS_PER_SEC);//初始化并使能SysTick定时器}void RCC_Configuration(void) { ErrorStatus     HSEStartUpStatus;//定义枚举类型变量HSEStartUpStatusRCC_DeInit();  //复位系统时钟 RCC_HSEConfig(RCC_HSE_ON);  //开启HSE HSEStartUpStatus=RCC_WaitForHSEStartUp(); //等待HSE稳定起振if(HSEStartUpStatus==SUCCESS)//如果HSE稳定起振 { RCC_HCLKConfig(RCC_SYSCLK_Div1);                    //选择HCLK(AHB)时钟源为SYSCLK 1分频 RCC_PCLK2Config(RCC_HCLK_Div1);                   //选择PCLK2时钟源为HCLK(AHB) 1分频 RCC_PCLK1Config(RCC_HCLK_Div2);                   //选择PLCK1时钟源为HCLK(AHB) 2分频 FLASH_SetLatency(FLASH_Latency_2);                   //设置FLASH延时周期数为2  FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); //使能FLASH预取缓存RCC_PLLConfig(RCC_PLLSource_HSE_Div1,RCC_PLLMul_6);   //选择PLL时钟源为HSE 1分频,倍频数为6,则PLL=12MHz*6=72MHz RCC_PLLCmd(ENABLE);   //使能PLLwhile(RCC_GetFlagStatus(RCC_FLAG_PLLRDY)==RESET);  //等待PLL输出稳定 RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);   //以PLL作为系统时钟   while(RCC_GetSYSCLKSource()!=0x08);            //等待PLL成为有效系统时钟源}  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1,ENABLE);  //各外设时钟使能  RCC_APB1Periph_USART3|RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO|RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC|   RCC_APB2Periph_GPIOD|RCC_APB2Periph_ADC1|RCC_APB2Periph_ADC2|RCC_APB2Periph_USART1 ,ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2|RCC_APB1Periph_USART2|RCC_APB1Periph_BKP|RCC_APB1Periph_PWR , ENABLE);}void TIM2_Configuration(void){TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;//定义TIM_TimeBase初始化结构体TIM_TimeBaseStructureTIM_OCInitTypeDefTIM_OCInitStructure;//定义TIM_OCInit初始化结构体TIM_OCInitStructureNVIC_InitTypeDef NVIC_InitStructure;//定义NVIC初始化结体NVIC_InitStructure     NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0); //选择NVIC优先级分组0 NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;//使能TIM2全局中断,0级先占优先级,3级次占有先机 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;NVIC_Init(&NVIC_InitStructure);TIM_TimeBaseStructure.TIM_Period=65535; /* 自动重装载寄存器周期的值(计数值) */    TIM_TimeBaseStructure.TIM_Prescaler=7199;/* 时钟预分频数*/    TIM_TimeBaseStructure.TIM_ClockDivision=0; /* 时钟分割 */    TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; /* 向上计数模式 */    TIM_TimeBaseInit(TIM2,&TIM_TimeBaseStructure);TIM_OCInitStructure.TIM_OCMode=TIM_OCMode_Timing;//选择定时器模式为TIM输出比较时间模式TIM_OCInitStructure.TIM_OutputState=TIM_OutputState_Enable;//使能输出比较状态TIM_OCInitStructure.TIM_OCPolarity=TIM_OCPolarity_High;//TIM输出比较极性高TIM_OCInitStructure.TIM_Pulse=10;//设置了待装入捕获比较寄存器的脉冲值TIM_OC1Init(TIM2,&TIM_OCInitStructure);//根据TIM_OCInitStruct中指定的参数初始化TIM2通道1TIM_OCInitStructure.TIM_Pulse=100;TIM_OC2Init(TIM2,&TIM_OCInitStructure);TIM_OCInitStructure.TIM_Pulse=1000;TIM_OC3Init(TIM2,&TIM_OCInitStructure);TIM_OCInitStructure.TIM_Pulse=10000;TIM_OC3Init(TIM2,&TIM_OCInitStructure);TIM_OC1PreloadConfig(TIM2,TIM_OCPreload_Disable);//失能TIM2在CCR1上的预装载寄存器TIM_OC2PreloadConfig(TIM2,TIM_OCPreload_Disable);TIM_OC3PreloadConfig(TIM2,TIM_OCPreload_Disable);TIM_OC4PreloadConfig(TIM2,TIM_OCPreload_Disable);TIM_ITConfig(TIM2,TIM_IT_CC1|TIM_IT_CC2|  TIM_IT_CC3|TIM_IT_CC4,ENABLE);//使能TIM2中断 TIM_Cmd(TIM2, ENABLE);    //定时器2启动}void USART1_Config(void){    USART_InitTypeDef  USART_InitStructure;//定义USART初始化结构体USART_InitStructureGPIO_InitTypeDef GPIO_InitStructure;//定义GPIO初始化结构体GPIO_InitStructure NVIC_InitTypeDef NVIC_InitStructure;//定义NVIC初始化结体NVIC_InitStructure     NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0); //选择NVIC优先级分组0 NVIC_InitStructure.NVIC_IRQChannel =USART1_IRQn ; //使能USART1全局中断,0级先占优先级,0级次占有先机NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure);GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;//设置USART1的Tx脚(PA.9)为第二功能推挽输出模式GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;GPIO_Init(GPIOA, &GPIO_InitStructure);GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;//设置USART1的Rx脚(PA.10)为悬空输入GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;GPIO_Init(GPIOA, &GPIO_InitStructure);USART_InitStructure.USART_BaudRate = 115200;//波特率设置USART_InitStructure.USART_WordLength = USART_WordLength_8b;//8位数据长度USART_InitStructure.USART_StopBits = USART_StopBits_1;//1个停止位USART_InitStructure.USART_Parity = USART_Parity_No;//奇偶失能USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//硬件流控制失能USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//使能发送和接收模式USART_Init(USART1, &USART_InitStructure);//根据USART_InitStruct中指定的参数初始化外设USART1寄存器USART_ITConfig(USART1, USART_IT_RXNE,ENABLE);//使能USART1中断USART_ITConfig(USART1, USART_IT_TXE,DISABLE);//失能USART1中断    USART_Cmd(USART1, ENABLE);//使能USART1USART_ClearITPendingBit(USART1, USART_IT_RXNE);USART_ClearITPendingBit(USART1, USART_IT_TXE);USART_ClearFlag(USART1, USART_FLAG_TXE);//清除发送标志位USART_ClearFlag(USART1, USART_FLAG_RXNE);//清除发送标志位}void Task_LED_RED(void *p_arg){    (void)p_arg;                // 'p_arg' 并没有用到，防止编译器提示警告STARTUP_TASK_PRIO2);    while (1)    {printf("rn 小灯 rn");LED_RED=!LED_RED;        OSTimeDlyHMSM(0, 0,0,500);    }}void TIM2_IRQHandler(void) { vu16 capture=0;//当前捕获计数值局部变量OSIntEnter();if(TIM_GetITStatus(TIM2,TIM_IT_CC1)!=RESET)//检查TIM2中TIM捕获/比较1中断源发生{capture=TIM_GetCapture1(TIM2);//读取当前计数值TIM_SetCompare1(TIM2,capture+10);//根据当前计数值更新输出捕获寄存器TIM_ClearITPendingBit(TIM2,TIM_IT_CC1);}else if(TIM_GetITStatus(TIM2,TIM_IT_CC2)!=RESET){capture=TIM_GetCapture2(TIM2);TIM_SetCompare2(TIM2,capture+100);TIM_ClearITPendingBit(TIM2,TIM_IT_CC2);}else if(TIM_GetITStatus(TIM2,TIM_IT_CC3)!=RESET){capture=TIM_GetCapture3(TIM2);TIM_SetCompare3(TIM2,capture+1000);TIM_ClearITPendingBit(TIM2,TIM_IT_CC3);}else if(TIM_GetITStatus(TIM2,TIM_IT_CC3)!=RESET){LED_GREEN=!LED_GREEN;//小灯控制capture=TIM_GetCapture3(TIM2);TIM_SetCompare3(TIM2,capture+10000);TIM_ClearITPendingBit(TIM2,TIM_IT_CC3);}OSIntExit();}void USART1_IRQHandler(void)//串口1中断函数{ OSIntEnter();if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)//检查USART2中接收中断发生与否{//LED_GREEN=!LED_GREEN;//getchar1 = USART_ReceiveData(USART1);//Usart_TransData(2,getchar1);USART_ClearITPendingBit(USART1, USART_IT_RXNE);}//else if(USART_GetITStatus(USART1, USART_IT_TXE) != RESET)//{//USART_ClearITPendingBit(USART1, USART_IT_TXE);//}OSIntExit();}程序的串口中断都可以正常的进入,但是定时器这边就出问题.两个小灯,A闪烁,B不闪烁,然后过一会儿(时间不固定但肯定是超过了我设定的0.5秒和1秒的)变成A不闪烁B闪烁.总感觉像是定时器2的配置这里出了问题,是不是中断向量表我弄错了?麻烦大家给指点一下