Tuya IoTOS Link SDK provides core capabilities, such as device connection, uplink and downlink communication, and OTA across platforms and operating systems. The SDK is implemented in the C programming language and does not depend on the specific device platform and OS environment. It only needs to support the TCP/IP protocol stack and provide the necessary system-dependent interfaces of the SDK to complete the integration.
Ubuntu and Debian
sudo apt-get install make cmake libqrencode-devgit clone https://github.com/tuya/tuya-iot-link-sdk-embedded-c.git --recurse-submodulesmkdir build && cd build
cmake ..
make./bin/switch_demo- Initialize a client object tuya_iot_client_t client. tuya_iot_config_t is used to initialize the product ID, authorization information, and other configuration parameters.
/* Instantiate the client */
tuya_iot_client_t client;
/* Instantiate the config */
tuya_iot_config_t config = {
.software_ver = "1.0.0",
.productkey = <Product ID>,
.uuid = <UUID>,
.authkey = <AUTHKEY>,
.event_handler = user_event_handler_on
};
/* Initialize the client */
tuya_iot_init(&client, &config);- Define application layer event callbacks. The callback function is used for the application layer to receive SDK event notifications, such as data point (DP) delivery and cloud connection status notifications:
/* Tuya SDK event callback */
void user_event_handler_on(tuya_iot_client_t* client, tuya_event_msg_t* event)
{
switch(event->id){
case TUYA_EVENT_DP_RECEIVE:
TY_LOGI("DP recv:%s", (const char*)event->data);
/* After receiving the DP distribution,
the DP data needs to be reported to synchronize the APP status. */
break;
case TUYA_EVENT_MQTT_CONNECTED:
TY_LOGI("Device MQTT Connected!");
break;
...
default:
break;
}
}- Start the Tuya Link SDK service.
tuya_iot_start(&client);- A loop is called to yield the current thread to the underlying Tuya Link SDK client.
tuya_iot_yield(&client);Report example:
/* Boolean */
const char bool_value[] = {"{\"101\":true}"};
tuya_iot_dp_report_json(&client, bool_value);
/* Integer */
const char int_value[] = {"{\"102\":123}"};
tuya_iot_dp_report_json(&client, int_value);
/* String*/
const char string_value[] = {"{\"103\":\"helloworld\"}"};
tuya_iot_dp_report_json(&client, string_value);
/* Enum */
const char enum_value[] = {"{\"104\":\"auto\"}"};
tuya_iot_dp_report_json(&client, enum_value);
/* RAW */
const char raw_value[] = {"{\"105\":\"aGVsZA==\"}"};
tuya_iot_dp_report_json(&client, raw_value);
/* Multiple combinations */
const char multiple_value[] = {"{\"101\":true,\"102\":123,\"103\":\"hellowrold\",\"104\":\"auto\",\"105\":\"aGVsZA==\"}"};
tuya_iot_dp_report_json(&client, multiple_value);Distributed under the MIT License. For more information, see LICENSE.
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