484 lines
17 KiB
C
484 lines
17 KiB
C
/*
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* 这个例程适用于`Linux`这类支持pthread的POSIX设备, 它演示了用SDK配置MQTT参数并建立连接, 之后创建2个线程
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*
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* + 一个线程用于保活长连接
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* + 一个线程用于接收消息, 并在有消息到达时进入默认的数据回调, 在连接状态变化时进入事件回调
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*
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* 接着演示了在MQTT连接上进行设备影子更新, 删除, 拉取等操作, 取消这些代码段落的注释即可观察运行效果
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*
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* 需要用户关注或修改的部分, 已经用 TODO 在注释中标明
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include "aiot_state_api.h"
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#include "aiot_sysdep_api.h"
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#include "aiot_mqtt_api.h"
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#include "aiot_shadow_api.h"
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#include "ali_demo.h"
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#include "ql_api_osi.h"
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#include "ql_api_nw.h"
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#include "ali_demo.h"
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#include "ql_log.h"
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#include "ql_api_datacall.h"
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#include "sockets.h"
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#include "lwip/ip_addr.h"
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#include "lwip/ip6_addr.h"
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#include "lwip/netdb.h"
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#include "lwip/netif.h"
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#include "lwip/inet.h"
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#include "lwip/tcp.h"
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#define QL_SOCKET_LOG_LEVEL QL_LOG_LEVEL_INFO
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#define uart_printf(msg, ...) QL_LOG(QL_SOCKET_LOG_LEVEL, "linkSDK ", msg, ##__VA_ARGS__)
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#define shadow_profile_idx 1
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/* 位于portfiles/aiot_port文件夹下的系统适配函数集合 */
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extern aiot_sysdep_portfile_t g_aiot_sysdep_portfile;
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/* 位于external/ali_ca_cert.c中的服务器证书 */
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extern const char *ali_ca_cert;
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ql_task_t ql_alisdk_shadow_task_ref;
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static ql_task_t ql_alisdk_shadow_process_task_ref;
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static ql_task_t ql_alisdk_shadow_recv_task_ref;
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static uint8_t g_shadow_process_task_running = 0;
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static uint8_t g_shadow_recv_task_running = 0;
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static int datacall_satrt(void)
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{
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int ret = 0;
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int i = 0;
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ql_data_call_info_s info;
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char ip4_addr_str[16] = {0};
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uint8_t nSim = 0;
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ql_rtos_task_sleep_s(10);
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uart_printf("========== socket demo start ==========");
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uart_printf("wait for network register done");
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while ((ret = ql_network_register_wait(nSim, 120)) != 0 && i < 10)
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{
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i++;
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ql_rtos_task_sleep_s(1);
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}
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if (ret == 0)
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{
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i = 0;
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uart_printf("====network registered!!!!====");
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}
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else
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{
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uart_printf("====network register failure!!!!!====");
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goto exit;
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}
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ql_set_data_call_asyn_mode(nSim, shadow_profile_idx, 0);
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uart_printf("===start data call====");
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ret = ql_start_data_call(nSim, shadow_profile_idx, QL_PDP_TYPE_IP, "uninet", NULL, NULL, 0);
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uart_printf("===data call result:%d", ret);
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if (ret != 0)
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{
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uart_printf("====data call failure!!!!=====");
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}
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memset(&info, 0x00, sizeof(ql_data_call_info_s));
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ret = ql_get_data_call_info(nSim, shadow_profile_idx, &info);
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if (ret != 0)
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{
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uart_printf("ql_get_data_call_info ret: %d", ret);
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ql_stop_data_call(nSim, shadow_profile_idx);
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goto exit;
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}
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uart_printf("info->mqtt_profile_idx: %d", info.profile_idx);
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uart_printf("info->ip_version: %d", info.ip_version);
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uart_printf("info->v4.state: %d", info.v4.state);
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inet_ntop(AF_INET, &info.v4.addr.ip, ip4_addr_str, sizeof(ip4_addr_str));
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uart_printf("info.v4.addr.ip: %s\r\n", ip4_addr_str);
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inet_ntop(AF_INET, &info.v4.addr.pri_dns, ip4_addr_str, sizeof(ip4_addr_str));
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uart_printf("info.v4.addr.pri_dns: %s\r\n", ip4_addr_str);
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inet_ntop(AF_INET, &info.v4.addr.sec_dns, ip4_addr_str, sizeof(ip4_addr_str));
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uart_printf("info.v4.addr.sec_dns: %s\r\n", ip4_addr_str);
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return 0;
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exit:
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return -1;
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}
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/* TODO: 如果要关闭日志, 就把这个函数实现为空, 如果要减少日志, 可根据code选择不打印
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*
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* 例如: [1577589489.033][LK-0317] shadow_basic_demo&a13FN5TplKq
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*
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* 上面这条日志的code就是0317(十六进制), code值的定义见core/aiot_state_api.h
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*
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*/
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/* 日志回调函数, SDK的日志会从这里输出 */
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static int32_t demo_state_logcb(int32_t code, char *message)
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{
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uart_printf("%s", message);
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return 0;
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}
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/* MQTT事件回调函数, 当网络连接/重连/断开时被触发, 事件定义见core/aiot_mqtt_api.h */
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static void demo_mqtt_event_handler(void *handle, const aiot_mqtt_event_t *event, void *userdata)
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{
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switch (event->type) {
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/* SDK因为用户调用了aiot_mqtt_connect()接口, 与mqtt服务器建立连接已成功 */
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case AIOT_MQTTEVT_CONNECT: {
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uart_printf("AIOT_MQTTEVT_CONNECT\n");
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}
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break;
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/* SDK因为网络状况被动断连后, 自动发起重连已成功 */
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case AIOT_MQTTEVT_RECONNECT: {
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uart_printf("AIOT_MQTTEVT_RECONNECT\n");
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}
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break;
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/* SDK因为网络的状况而被动断开了连接, network是底层读写失败, heartbeat是没有按预期得到服务端心跳应答 */
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case AIOT_MQTTEVT_DISCONNECT: {
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char *cause = (event->data.disconnect == AIOT_MQTTDISCONNEVT_NETWORK_DISCONNECT) ? ("network disconnect") :
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("heartbeat disconnect");
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uart_printf("AIOT_MQTTEVT_DISCONNECT: %s\n", cause);
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}
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break;
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default: {
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}
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}
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}
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/* 执行aiot_mqtt_process的线程, 包含心跳发送和QoS1消息重发 */
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static void demo_mqtt_process_thread(void *args)
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{
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int32_t res = STATE_SUCCESS;
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while (g_shadow_process_task_running) {
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res = aiot_mqtt_process(args);
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if (res == STATE_USER_INPUT_EXEC_DISABLED) {
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break;
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}
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ql_rtos_task_sleep_s(1);
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}
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return;
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}
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/* 执行aiot_mqtt_recv的线程, 包含网络自动重连和从服务器收取MQTT消息 */
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static void demo_mqtt_recv_thread(void *args)
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{
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int32_t res = STATE_SUCCESS;
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while (g_shadow_recv_task_running) {
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res = aiot_mqtt_recv(args);
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if (res < STATE_SUCCESS) {
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if (res == STATE_USER_INPUT_EXEC_DISABLED) {
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break;
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}
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ql_rtos_task_sleep_s(1);
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}
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}
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return;
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}
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/* 数据处理回调, 当SDK从网络上收到shadow消息时被调用 */
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static void demo_shadow_recv_handler(void *handle, const aiot_shadow_recv_t *recv, void *userdata)
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{
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uart_printf("demo_shadow_recv_handler, type = %d, productKey = %s, deviceName = %s\r\n",
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recv->type, recv->product_key, recv->device_name);
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switch (recv->type) {
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/* 当设备发送AIOT_SHADOWMSG_UPDATE, AIOT_SHADOWMSG_CLEAN_DESIRED或者AIOT_SHADOWMSG_DELETE_REPORTED消息后, 会收到此应答消息 */
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case AIOT_SHADOWRECV_GENERIC_REPLY: {
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const aiot_shadow_recv_generic_reply_t *generic_reply = &recv->data.generic_reply;
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uart_printf("payload = \"%.*s\", status = %s, timestamp = %ld\r\n",
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generic_reply->payload_len,
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generic_reply->payload,
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generic_reply->status,
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(unsigned long)generic_reply->timestamp);
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}
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break;
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/* 当设备在线时, 若用户应用程序调用云端API主动更新设备影子, 设备便会收到此消息 */
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case AIOT_SHADOWRECV_CONTROL: {
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const aiot_shadow_recv_control_t *control = &recv->data.control;
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uart_printf("payload = \"%.*s\", version = %ld\r\n",
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control->payload_len,
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control->payload,
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(unsigned long)control->version);
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}
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break;
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/* 当设备发送AIOT_SHADOWMSG_GET消息主动获取设备影子时, 会收到此消息 */
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case AIOT_SHADOWRECV_GET_REPLY: {
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const aiot_shadow_recv_get_reply_t *get_reply = &recv->data.get_reply;
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uart_printf("payload = \"%.*s\", version = %ld\r\n",
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get_reply->payload_len,
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get_reply->payload,
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(unsigned long)get_reply->version);
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}
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default:
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break;
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}
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}
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/* 发送更新设备影子reported值的请求 */
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static int32_t demo_update_shadow(void *shadow_handle, char *reported_data, int64_t version)
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{
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aiot_shadow_msg_t message;
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memset(&message, 0, sizeof(aiot_shadow_msg_t));
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message.type = AIOT_SHADOWMSG_UPDATE;
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message.data.update.reported = reported_data;
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message.data.update.version = version;
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return aiot_shadow_send(shadow_handle, &message);
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}
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/* 发送删除设备影子中特定reported值的请求 */
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static int32_t demo_delete_shadow_report(void *shadow_handle, char *reported, int64_t version)
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{
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aiot_shadow_msg_t message;
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memset(&message, 0, sizeof(aiot_shadow_msg_t));
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message.type = AIOT_SHADOWMSG_DELETE_REPORTED;
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message.data.delete_reporte.reported = reported;
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message.data.delete_reporte.version = version;
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return aiot_shadow_send(shadow_handle, &message);
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}
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/* 发送清除设备影子中所有desired值的请求 */
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static int32_t demo_clean_shadow_desired(void *shadow_handle, int64_t version)
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{
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aiot_shadow_msg_t message;
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memset(&message, 0, sizeof(aiot_shadow_msg_t));
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message.type = AIOT_SHADOWMSG_CLEAN_DESIRED;
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message.data.clean_desired.version = version;
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return aiot_shadow_send(shadow_handle, &message);
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}
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/* 发送获取设备影子的请求 */
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static int32_t demo_get_shadow(void *shadow_handle)
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{
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aiot_shadow_msg_t message;
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memset(&message, 0, sizeof(aiot_shadow_msg_t));
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message.type = AIOT_SHADOWMSG_GET;
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return aiot_shadow_send(shadow_handle, &message);
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}
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static void ql_alisdk_shadow_task(void *arg)
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{
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int32_t res = STATE_SUCCESS;
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void *mqtt_handle = NULL;
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void *shadow_handle = NULL;
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char *url = "iot-as-mqtt.cn-shanghai.aliyuncs.com"; /* 阿里云平台上海站点的域名后缀 */
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char host[100] = {0}; /* 用这个数组拼接设备连接的云平台站点全地址, 规则是 ${productKey}.iot-as-mqtt.cn-shanghai.aliyuncs.com */
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uint16_t port = 1883; /* 无论设备是否使用TLS连接阿里云平台, 目的端口都是443 */
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aiot_sysdep_network_cred_t cred; /* 安全凭据结构体, 如果要用TLS, 这个结构体中配置CA证书等参数 */
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/* TODO: 替换为自己设备的三元组 */
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char *product_key = "a1TSu2F29co";
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char *device_name = "000001";
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char *device_secret = "bd220c3a9c6a5b3f5921485d091497e1";
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/*执行拨号操作,设备联网*/
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if(datacall_satrt() != 0)
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goto exit;
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/* 配置SDK的底层依赖 */
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aiot_sysdep_set_portfile(&g_aiot_sysdep_portfile);
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/* 配置SDK的日志输出 */
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aiot_state_set_logcb(demo_state_logcb);
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/* 创建SDK的安全凭据, 用于建立TLS连接 */
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memset(&cred, 0, sizeof(aiot_sysdep_network_cred_t));
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cred.option = AIOT_SYSDEP_NETWORK_CRED_SVRCERT_CA; /* 使用RSA证书校验MQTT服务端 */
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cred.max_tls_fragment = 16384; /* 最大的分片长度为16K, 其它可选值还有4K, 2K, 1K, 0.5K */
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cred.sni_enabled = 1; /* TLS建连时, 支持Server Name Indicator */
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cred.x509_server_cert = ali_ca_cert; /* 用来验证MQTT服务端的RSA根证书 */
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cred.x509_server_cert_len = strlen(ali_ca_cert); /* 用来验证MQTT服务端的RSA根证书长度 */
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/* 创建1个MQTT客户端实例并内部初始化默认参数 */
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mqtt_handle = aiot_mqtt_init();
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if (mqtt_handle == NULL) {
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uart_printf("aiot_mqtt_init failed\n");
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goto exit;
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}
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snprintf(host, 100, "%s.%s", product_key, url);
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/* 配置MQTT服务器地址 */
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aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_HOST, (void *)host);
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/* 配置MQTT服务器端口 */
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aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_PORT, (void *)&port);
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/* 配置设备productKey */
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aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_PRODUCT_KEY, (void *)product_key);
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/* 配置设备deviceName */
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aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_DEVICE_NAME, (void *)device_name);
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/* 配置设备deviceSecret */
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aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_DEVICE_SECRET, (void *)device_secret);
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/* 配置网络连接的安全凭据, 上面已经创建好了 */
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aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_NETWORK_CRED, (void *)&cred);
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/* 配置MQTT事件回调函数 */
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aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_EVENT_HANDLER, (void *)demo_mqtt_event_handler);
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/* 配置MQTT连接超时时间 */
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int time_delay_ms = 5000;
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aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_CONNECT_TIMEOUT_MS, (void *)&time_delay_ms);
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/* 配置拨号profile_idx信息(quectel平台必须执行此操作)*/
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uint16_t pdp = shadow_profile_idx;
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aiot_mqtt_setopt(mqtt_handle, AIOT_MQTTOPT_PROFILE_IDX, (void *)&pdp);
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/* 创建1个shadow客户端实例并内部初始化默认参数 */
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shadow_handle = aiot_shadow_init();
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if (shadow_handle == NULL) {
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uart_printf("aiot_shadow_init failed\n");
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goto exit;
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}
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/* 配置MQTT实例句柄 */
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aiot_shadow_setopt(shadow_handle, AIOT_SHADOWOPT_MQTT_HANDLE, mqtt_handle);
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/* 配置SHADOW默认消息接收回调函数 */
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aiot_shadow_setopt(shadow_handle, AIOT_SHADOWOPT_RECV_HANDLER, (void *)demo_shadow_recv_handler);
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/* 与服务器建立MQTT连接 */
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res = aiot_mqtt_connect(mqtt_handle);
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if (res < STATE_SUCCESS) {
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/* 尝试建立连接失败, 销毁MQTT实例, 回收资源 */
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aiot_mqtt_deinit(&mqtt_handle);
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uart_printf("aiot_mqtt_connect failed: -0x%04X\n", -res);
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goto exit;
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}
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/* 创建一个单独的线程, 专用于执行aiot_mqtt_process, 它会自动发送心跳保活, 以及重发QoS1的未应答报文 */
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g_shadow_process_task_running = 1;
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res = ql_rtos_task_create(&ql_alisdk_shadow_process_task_ref, 24576, 24, "client_proc", demo_mqtt_process_thread, (void *)mqtt_handle, 5);
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if (res < 0) {
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uart_printf("pthread_create demo_mqtt_process_thread failed: %d\n", res);
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goto exit;
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}
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/* 创建一个单独的线程用于执行aiot_mqtt_recv, 它会循环收取服务器下发的MQTT消息, 并在断线时自动重连 */
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g_shadow_recv_task_running = 1;
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res = ql_rtos_task_create(&ql_alisdk_shadow_recv_task_ref, 24576, 25, "recv_test", demo_mqtt_recv_thread, (void *)mqtt_handle, 5);
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if (res < 0) {
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uart_printf("pthread_create demo_mqtt_recv_thread failed: %d\n", res);
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goto exit;
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}
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/* 主循环进入休眠 */
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while (1) {
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/* TODO: 以下代码演示了发送请求拉取设备影子, 设备影子将在demo_shadow_recv_handler回调函数中返回, 用户可取消注释观察演示效果 */
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res = demo_get_shadow(shadow_handle);
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|
if (res < 0) {
|
|
uart_printf("demo_get_shadow failed, res = -0x%04x\r\n", -res);
|
|
}
|
|
|
|
ql_rtos_task_sleep_s(2);
|
|
|
|
/* TODO: 以下代码演示了如何清除设备影子中的desired值, 同时将version设置为1, 用户可取消注释观察演示效果 */
|
|
|
|
res = demo_clean_shadow_desired(shadow_handle, 1);
|
|
if (res < 0) {
|
|
uart_printf("demo_clean_shadow_desired failed, res = -0x%04x\r\n", -res);
|
|
}
|
|
|
|
ql_rtos_task_sleep_s(2);
|
|
|
|
/* TODO: 以下代码演示了如何删除设备影子中特定的reported值, 同时将version设置为2, 用户可取消注释观察演示效果 */
|
|
|
|
res = demo_delete_shadow_report(shadow_handle, "{\"LightSwitch\":\"null\"}", 2);
|
|
if (res < 0) {
|
|
uart_printf("demo_delete_shadow_report failed, res = -0x%04x\r\n", -res);
|
|
}
|
|
|
|
ql_rtos_task_sleep_s(2);
|
|
|
|
/* TODO: 以下代码演示了如何更新设备影子中的reported值, 同时将version重置为0, 用户可取消注释观察演示效果 */
|
|
|
|
res = demo_update_shadow(shadow_handle, "{\"LightSwitch\":1}", 0);
|
|
if (res < 0) {
|
|
uart_printf("demo_delete_shadow_report failed, res = -0x%04x\r\n", -res);
|
|
}
|
|
|
|
|
|
ql_rtos_task_sleep_s(10);
|
|
}
|
|
|
|
/* 断开MQTT连接, 一般不会运行到这里 */
|
|
res = aiot_mqtt_disconnect(mqtt_handle);
|
|
if (res < STATE_SUCCESS) {
|
|
aiot_mqtt_deinit(&mqtt_handle);
|
|
uart_printf("aiot_mqtt_disconnect failed: -0x%04X\n", -res);
|
|
goto exit;
|
|
}
|
|
|
|
/* 销毁SHADOW实例, 一般不会运行到这里 */
|
|
res = aiot_shadow_deinit(&shadow_handle);
|
|
if (res < STATE_SUCCESS) {
|
|
uart_printf("aiot_shadow_deinit failed: -0x%04X\n", -res);
|
|
goto exit;
|
|
}
|
|
|
|
/* 销毁MQTT实例, 一般不会运行到这里 */
|
|
res = aiot_mqtt_deinit(&mqtt_handle);
|
|
if (res < STATE_SUCCESS) {
|
|
uart_printf("aiot_mqtt_deinit failed: -0x%04X\n", -res);
|
|
goto exit;
|
|
}
|
|
|
|
g_shadow_process_task_running = 0;
|
|
g_shadow_recv_task_running = 0;
|
|
ql_rtos_task_delete(ql_alisdk_shadow_process_task_ref);
|
|
ql_rtos_task_delete(ql_alisdk_shadow_recv_task_ref);
|
|
|
|
return ;
|
|
exit:
|
|
ql_rtos_task_delete(NULL);
|
|
|
|
}
|
|
|
|
#define QL_ALI_TASK_STACK_SIZE 10240
|
|
#define QL_ALI_TASK_PRIO APP_PRIORITY_NORMAL
|
|
#define QL_ALI_TASK_EVENT_CNT 5
|
|
|
|
int ql_ali_sdk_shadow_test_init(void)
|
|
{
|
|
QlOSStatus status;
|
|
int count = 0;
|
|
/* 主循环进入休眠 */
|
|
while (count < 10)
|
|
{
|
|
count++;
|
|
ql_rtos_task_sleep_s(1);
|
|
uart_printf("ql_ali_sdk_mqtt_client_test_init -0x%04X\n", count);
|
|
}
|
|
status =ql_rtos_task_create(&ql_alisdk_shadow_task_ref, QL_ALI_TASK_STACK_SIZE, APP_PRIORITY_NORMAL, "shadow_task", ql_alisdk_shadow_task, NULL, QL_ALI_TASK_EVENT_CNT);
|
|
if (status != QL_OSI_SUCCESS)
|
|
{
|
|
uart_printf("ql_ali_sdk_devinfo_test_init error");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|