基于rt-thread操作系统的地址滑坡检测节点核心代码实现

以下是基于 RT-Thread 操作系统的地址滑坡检测节点核心代码实现的示例，仅供参考：

#include <rtthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/* 定义线程栈 */
#define THREAD_STACK_SIZE   1024
static rt_uint8_t thread_stack[THREAD_STACK_SIZE];

/* 定义消息队列 */
#define QUEUE_SIZE          20
static rt_mq_t gps_queue = RT_NULL;
static rt_mq_t acc_queue = RT_NULL;
static rt_mq_t upload_queue = RT_NULL;

/* 定义互斥锁 */
static rt_mutex_t mutex = RT_NULL;

/* 定义信号量 */
static rt_sem_t sem = RT_NULL;

/* 定义三轴传感器阈值 */
#define ACC_THRESHOLD       10

/* 定义 GPS 传感器数据结构 */
struct gps_data {
    rt_uint8_t hour;
    rt_uint8_t minute;
    rt_uint8_t second;
    rt_uint8_t latitude[10];
    rt_uint8_t longitude[10];
};

/* 定义三轴传感器数据结构 */
struct acc_data {
    rt_uint16_t x;
    rt_uint16_t y;
    rt_uint16_t z;
};

/* 采集 GPS 数据线程 */
static void collect_gps_data_thread(void* parameter)
{
    struct gps_data gps;
    while (1) {
        /* 从 GPS 传感器中读取数据 */
        /* ... */
        /* 将数据发送到上传数据线程的消息队列中 */
        if (rt_mq_send(upload_queue, &gps, sizeof(struct gps_data)) != RT_EOK) {
            rt_kprintf("Failed to send GPS data to upload thread!\n");
        }
        /* 等待 1 秒 */
        rt_thread_mdelay(1000);
    }
}

/* 采集三轴传感器数据线程 */
static void collect_acc_data_thread(void* parameter)
{
    struct acc_data acc;
    while (1) {
        /* 从 MPU6050 三轴传感器中读取数据 */
        /* ... */
        /* 将数据发送到阈值检测线程的消息队列中 */
        if (rt_mq_send(acc_queue, &acc, sizeof(struct acc_data)) != RT_EOK) {
            rt_kprintf("Failed to send accelerometer data to threshold thread!\n");
        }
        /* 等待 10 毫秒 */
        rt_thread_mdelay(10);
    }
}

/* 上传数据线程 */
static void upload_data_thread(void* parameter)
{
    struct gps_data gps;
    struct acc_data acc;
    while (1) {
        /* 从上传数据线程的消息队列中获取数据 */
        if (rt_mq_recv(upload_queue, &gps, sizeof(struct gps_data), RT_WAITING_FOREVER) == sizeof(struct gps_data)) {
            /* 将 GPS 数据上传到 Onenet 云平台 */
            /* ... */
        }
        if (rt_mq_recv(upload_queue, &acc, sizeof(struct acc_data), RT_WAITING_FOREVER) == sizeof(struct acc_data)) {
            /* 将三轴传感器数据上传到 Onenet 云平台 */
            /* ... */
        }
    }
}

/* 按键处理线程 */
static void key_process_thread(void* parameter)
{
    while (1) {
        /* 处理来自按键键盘的输入 */
        /* ... */
        /* 根据不同的按键设置相应的参数 */
        /* ... */
        /* 等待 1 秒 */
        rt_thread_mdelay(1000);
    }
}

/* 阈值检测线程 */
static void threshold_thread(void* parameter)
{
    struct acc_data acc;
    while (1) {
        /* 从阈值检测线程的消息队列中获取三轴传感器数据 */
        if (rt_mq_recv(acc_queue, &acc, sizeof(struct acc_data), RT_WAITING_FOREVER) == sizeof(struct acc_data)) {
            /* 检测数据是否超过设定阈值 */
            if (acc.x > ACC_THRESHOLD || acc.y > ACC_THRESHOLD || acc.z > ACC_THRESHOLD) {
                /* 将数据发送到上传数据线程的消息队列中 */
                if (rt_mq_send(upload_queue, &acc, sizeof(struct acc_data)) != RT_EOK) {
                    rt_kprintf("Failed to send accelerometer data to upload thread!\n");
                }
            } else {
                /* 将数据发送到采集三轴传感器数据线程的消息队列中 */
                if (rt_mq_send(acc_queue, &acc, sizeof(struct acc_data)) != RT_EOK) {
                    rt_kprintf("Failed to send accelerometer data to collect thread!\n");
                }
            }
        }
        /* 等待 10 毫秒 */
        rt_thread_mdelay(10);
    }
}

int main(void)
{
    /* 初始化硬件组件 */
    /* ... */

    /* 初始化消息队列 */
    gps_queue = rt_mq_create("GPS", sizeof(struct gps_data), QUEUE_SIZE, RT_IPC_FLAG_FIFO);
    acc_queue = rt_mq_create("ACC", sizeof(struct acc_data), QUEUE_SIZE, RT_IPC_FLAG_FIFO);
    upload_queue = rt_mq_create("UPLOAD", sizeof(struct gps_data) + sizeof(struct acc_data), QUEUE_SIZE, RT_IPC_FLAG_FIFO);
    if (gps_queue == RT_NULL || acc_queue == RT_NULL || upload_queue == RT_NULL) {
        rt_kprintf("Failed to create message queue!\n");
        return -1;
    }

    /* 初始化互斥锁 */
    mutex = rt_mutex_create("Mutex", RT_IPC_FLAG_FIFO);
    if (mutex == RT_NULL) {
        rt_kprintf("Failed to create mutex!\n");
        return -1;
    }

    /* 初始化信号量 */
    sem = rt_sem_create("Sem", 0, RT_IPC_FLAG_FIFO);
    if (sem == RT_NULL) {
        rt_kprintf("Failed to create semaphore!\n");
        return -1;
    }

    /* 创建采集 GPS 数据线程 */
    rt_thread_t gps_thread = rt_thread_create("GPS", collect_gps_data_thread, RT_NULL, THREAD_STACK_SIZE, 5, 10);
    if (gps_thread == RT_NULL) {
        rt_kprintf("Failed to create GPS thread!\n");
        return -1;
    }
    rt_thread_startup(gps_thread);

    /* 创建采集三轴传感器数据线程 */
    rt_thread_t acc_thread = rt_thread_create("ACC", collect_acc_data_thread, RT_NULL, THREAD_STACK_SIZE, 6, 10);
    if (acc_thread == RT_NULL) {
        rt_kprintf("Failed to create accelerometer thread!\n");
        return -1;
    }
    rt_thread_startup(acc_thread);

    /* 创建上传数据线程 */
    rt_thread_t upload_thread = rt_thread_create("UPLOAD", upload_data_thread, RT_NULL, THREAD_STACK_SIZE, 7, 10);
    if (upload_thread == RT_NULL) {
        rt_kprintf("Failed to create upload thread!\n");
        return -1;
    }
    rt_thread_startup(upload_thread);

    /* 创建按键处理线程 */
    rt_thread_t key_thread = rt_thread_create("KEY", key_process_thread, RT_NULL, THREAD_STACK_SIZE, 4, 10);
    if (key_thread == RT_NULL) {
        rt_kprintf("Failed to create key thread!\n");
        return -1;
    }
    rt_thread_startup(key_thread);

    /* 创建阈值检测线程 */
    rt_thread_t threshold_thread = rt_thread_create("THRESHOLD", threshold_thread, RT_NULL, THREAD_STACK_SIZE, 8, 10);
    if (threshold_thread == RT_NULL) {
        rt_kprintf("Failed to create threshold thread!\n");
        return -1;
    }
    rt_thread_startup(threshold_thread);

    /* 启动 RT-Thread 调度器 */
    rt_thread_mdelay(RT_TICK_PER_SECOND);
    rt_system_scheduler_start();

    return 0;
}

在以上代码中，我们使用了 RT-Thread 提供的多线程支持、消息队列、互斥锁和信号量等功能，以实现节点的数据采集、上传和处理等功能。其中，学习者需要根据具体硬件组件和 Onenet 云平台等情况进行相应的调整和修改。