stm32+CC3000移植到ucosii之外部中断服务函数 stm32

说明：CC3000初始化要等ucosii操作系统跑起来后再执行，否则进不了外部中断函数。

/* ********************************************************************************************************* *main() * * Description : This is the standard entry point for C code.It is assumed that your code will call *main() once you have performed all necessary initialization. * * Argument(s) : none. * * Return(s): none. ********************************************************************************************************* */ intmain (void) { CPU_INT08Uos_err; BSP_IntDisAll(); /* Disable all ints until we are ready to accept them.*/OSInit(); /* Initialize "uC/OS-II, The Real-Time Kernel".*/os_err = OSTaskCreateExt((void (*)(void *)) App_TaskStart,/* Create the start task.*/ (void* ) 0, (OS_STK* )&App_TaskStartStk[APP_TASK_START_STK_SIZE - 1], (INT8U) APP_TASK_START_PRIO, (INT16U) APP_TASK_START_PRIO, (OS_STK* )&App_TaskStartStk[0], (INT32U) APP_TASK_START_STK_SIZE, (void* )0, (INT16U)(OS_TASK_OPT_STK_CLR | OS_TASK_OPT_STK_CHK)); #if (OS_TASK_NAME_SIZE >= 11) OSTaskNameSet(APP_TASK_START_PRIO, (CPU_INT08U *)"Start Task", &os_err); #endifOSStart(); /* Start multitasking (i.e. give control to uC/OS-II).*/return (0); }

/* ********************************************************************************************************* *App_TaskStart() * * Description : The startup task.The uC/OS-II ticker should only be initialize once multitasking starts. * * Argument(s) : p_argArgument passed to 'App_TaskStart()' by 'OSTaskCreate()'. * * Return(s): none. * * Caller(s): This is a task. * * Note(s): none. ********************************************************************************************************* */ staticvoidApp_TaskStart (void *p_arg) { (void)p_arg; BSP_Init(); /* Initialize BSP functions. */ OS_CPU_SysTickInit(); /* Initialize the SysTick. */#if (OS_TASK_STAT_EN > 0) OSStatInit(); /* Determine CPU capacity. */ #endifwhile (DEF_TRUE) { OSTimeDlyHMSM(0, 0, 0, 1000); } }

/* ********************************************************************************************************* *BSP_Init() * * Description : Initialize the Board Support Package (BSP). * * Argument(s) : none. * * Return(s): none. * * Caller(s): Application. * * Note(s): (1) This function SHOULD be called before any other BSP function is called. ********************************************************************************************************* */voidBSP_Init (void) { BSP_SystemInit(); /* Initialize system clock */ delay_init(); #if (APP_DEBUG_EN == DEF_ENABLED) BSP_USART_Init(); /* Initialize Debug Usart */ #endif#if (APP_KEY_EN == DEF_ENABLED) Key_Init(); /* Initialize ADCs & DMA for Keys */ #endif#if (APP_WIFI_EN == DEF_ENABLED) CC3000_WLAN_Setup(); // Initialize Board and CC3000 #endif }

//CC3000使能外部中断 void WlanInterruptEnable(void) { GPIO_InitTypeDef GPIO_InitStructure; EXTI_InitTypeDef EXTI_InitStructure; /* CC3000_WIFI_INT_GPIO and AFIO Peripheral clock enable */ RCC_APB2PeriphClockCmd(CC3000_WIFI_INT_GPIO_CLK | RCC_APB2Periph_AFIO, ENABLE); /* Configure CC3000_WIFI pins: Interrupt */ GPIO_InitStructure.GPIO_Pin = CC3000_WIFI_INT_GPIO_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; GPIO_Init(CC3000_WIFI_INT_GPIO_PORT, &GPIO_InitStructure); /* Select the CC3000_WIFI_INT GPIO pin used as EXTI Line */ GPIO_EXTILineConfig(CC3000_WIFI_INT_EXTI_PORT_SOURCE, CC3000_WIFI_INT_EXTI_PIN_SOURCE ); /* Clear the EXTI line pending flag */ EXTI_ClearFlag(CC3000_WIFI_INT_EXTI_LINE ); /* Configure and Enable CC3000_WIFI_INT EXTI line */ EXTI_InitStructure.EXTI_Line = CC3000_WIFI_INT_EXTI_LINE; EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; EXTI_InitStructure.EXTI_LineCmd = ENABLE; EXTI_Init(&EXTI_InitStructure); BSP_IntVectSet(BSP_INT_ID_EXTI9_5, EXTI9_5_IRQHandler); BSP_IntPrioSet(BSP_INT_ID_EXTI9_5, EXTI9_5_IRQ_PRIORITY); BSP_IntEn(BSP_INT_ID_EXTI9_5); }

//CC3000 外部中断服务函数 void EXTI9_5_IRQHandler(void) { if (EXTI_GetITStatus(CC3000_WIFI_INT_EXTI_LINE) != RESET) //SPI irq { SPI_IRQ(); EXTI_ClearITPendingBit(CC3000_WIFI_INT_EXTI_LINE); } }

【stm32+CC3000移植到ucosii之外部中断服务函数】