support aliyun sdk on TencentOS tiny

sample: examples\aliyun_iotkit_csdk_mqtt
project: board\TencentOS_tiny_EVB_MX_Plus\KEIL\aliyun_iotkit_csdk_mqtt

components/connectivity/iotkit-embedded-3.0.1/3rdparty/src/dev_model/dm_ota.c

@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2015-2018 Alibaba Group Holding Limited
+ */
+#include "iotx_dm_internal.h"
+
+#if defined(OTA_ENABLED) && !defined(BUILD_AOS)
+
+static dm_ota_ctx_t g_dm_ota_ctx;
+
+static dm_ota_ctx_t *_dm_ota_get_ctx(void)
+{
+    return &g_dm_ota_ctx;
+}
+
+int dm_ota_init(void)
+{
+    dm_ota_ctx_t *ctx = _dm_ota_get_ctx();
+    memset(ctx, 0, sizeof(dm_ota_ctx_t));
+
+    HAL_GetProductKey(ctx->product_key);
+    HAL_GetDeviceName(ctx->device_name);
+
+    return SUCCESS_RETURN;
+}
+
+int dm_ota_sub(void)
+{
+    dm_ota_ctx_t *ctx = _dm_ota_get_ctx();
+    void *handle = NULL;
+
+    /* Init OTA Handle */
+    handle = IOT_OTA_Init(ctx->product_key, ctx->device_name, NULL);
+    if (handle == NULL) {
+        return FAIL_RETURN;
+    }
+
+    ctx->ota_handle = handle;
+
+    return SUCCESS_RETURN;
+}
+
+int dm_ota_deinit(void)
+{
+    dm_ota_ctx_t *ctx = _dm_ota_get_ctx();
+
+    if (ctx->ota_handle) {
+        IOT_OTA_Deinit(ctx->ota_handle);
+        ctx->ota_handle = NULL;
+    }
+
+    return SUCCESS_RETURN;
+}
+#ifdef DEVICE_MODEL_GATEWAY
+#ifdef DEVICE_MODEL_SUBDEV_OTA
+int dm_ota_switch_device(int devid)
+{
+    char pk[IOTX_PRODUCT_KEY_LEN + 1] = {0};
+    char dn[IOTX_DEVICE_NAME_LEN + 1] = {0};
+    char ds[IOTX_DEVICE_SECRET_LEN + 1] = {0};
+    int ret = dm_mgr_search_device_by_devid(devid, pk, dn, ds);
+    void *ota_handle = NULL;
+    int res = -1;
+    dm_ota_ctx_t *ctx = NULL;
+
+    if (SUCCESS_RETURN != ret) {
+        dm_log_err("could not find device by id, ret is %d", ret);
+        return FAIL_RETURN;
+    }
+    dm_log_info("do subdevice ota, pk, dn is %s, %s", pk, dn);
+
+    ota_handle = NULL;
+    res = dm_ota_get_ota_handle(&ota_handle);
+
+    if (res != SUCCESS_RETURN) {
+        return FAIL_RETURN;
+    }
+
+    /* if currently a device is doing OTA, do not interrupt */
+    if (IOT_OTA_IsFetching(ota_handle)) {
+        dm_log_info("OTA is processing, can not switch to another device");
+        return FAIL_RETURN;
+    }
+
+    dm_ota_deinit();
+    ctx = _dm_ota_get_ctx();
+    memset(ctx, 0, sizeof(dm_ota_ctx_t));
+
+    memcpy(ctx->product_key, pk, strlen(pk) + 1);
+    memcpy(ctx->device_name, dn, strlen(dn) + 1);
+    ret = dm_ota_sub();
+    if (ret < 0) {
+        dm_log_err("dm_ota_sub ret is %d, %s, %s\n", ret, pk, dn);
+    }
+    return ret;
+}
+#endif
+#endif
+
+int dm_ota_get_ota_handle(void **handle)
+{
+    dm_ota_ctx_t *ctx = _dm_ota_get_ctx();
+
+    if (handle == NULL || *handle != NULL) {
+        return FAIL_RETURN;
+    }
+
+    if (ctx->ota_handle == NULL) {
+        return FAIL_RETURN;
+    }
+
+    *handle = ctx->ota_handle;
+
+    return SUCCESS_RETURN;
+}
+#endif