中断管理

#include "los_interrupt.h"
#include "los_compiler.h"

/* 验证的中断号 */
#define HWI_NUM_TEST 7

/* 中断处理程序 */
STATIC VOID UsrIrqEntry(VOID)
{
    printf("in the func UsrIrqEntry\n");
}

/* 注册的线程回调函数，用于触发中断 */
STATIC VOID InterruptTest(VOID)
{
    LOS_HwiTrigger(HWI_NUM_TEST);
}

UINT32 ExampleInterrupt(VOID)
{
    UINT32 ret;
    HWI_PRIOR_T hwiPrio = 3; // 3，中断优先级
    HWI_MODE_T mode = 0;
    HWI_ARG_T arg = 0;

    /* 创建中断 */
    ret = LOS_HwiCreate(HWI_NUM_TEST, hwiPrio, mode, (HWI_PROC_FUNC)UsrIrqEntry, arg);
    if(ret == LOS_OK){
        printf("Hwi create success!\n");
    } else {
        printf("Hwi create failed!\n");
        return LOS_NOK;
    }

    TSK_INIT_PARAM_S taskParam = { 0 };
    UINT32 testTaskID;
	
	/* 创建一个优先级低优先级的线程，用于验证触发中断 */
    taskParam.pfnTaskEntry = (TSK_ENTRY_FUNC)InterruptTest;
    taskParam.uwStackSize = OS_TSK_TEST_STACK_SIZE;
    taskParam.pcName = "InterruptTest";
    taskParam.usTaskPrio = TASK_PRIO_TEST - 1;
    taskParam.uwResved = LOS_TASK_ATTR_JOINABLE;
    ret = LOS_TaskCreate(&testTaskID, &taskParam);
    if (LOS_OK != ret) {
        PRINTF("InterruptTest task error\n");
    }

    /* 延时50 tick，让出当前线程的调度 */
    LOS_TaskDelay(50);

    /* 删除注册的中断 */
    ret = LOS_HwiDelete(HWI_NUM_TEST, NULL);
    if(ret == LOS_OK){
        printf("Hwi delete success!\n");
    } else {
        printf("Hwi delete failed!\n");
        return LOS_NOK;
    }
    
    return LOS_OK;
}

Hwi create success!
in the func UsrIrqEntry
Hwi delete success!