SERIAL_PORT = 'COM14' # 更改为您的ESP32串口号 BAUD_RATE = 115200 class Backend(QObject): dataReceived = Signal(int) def __init__(self, serial_port, baud_rate): super().__init__() self.ser = serial.Serial(serial_port, baud_rate, timeout=1) self.serial_thread = threading.Thread...
{ ESP_LOGI(TAG, "City: %s", city->valuestring); } // 删除解析后的JSON对象 cJSON_Delete(root); } void app_main(void) { // 示例JSON字符串 const char *json_string = "{\"name\":\"John\",\"age\":30,\"city\":\"New York\"}"; // 解析JSON数据 parse_json_data(json_...
local testData = string.rep(tag, 1) local function getSerialData(id) local tmp = receiveBuff[id] receiveBuff[id] = "" return tmp end function uartTest.test() if uart == nil then log.error(tag, "this fireware is not support uart") return end log.info(tag, "START") for _, v ...
Serial.println("IP address: "); Serial.println(WiFi.localIP()); } void mqtt_callback(char *topic, byte *payload, unsigned int length) { Serial.print("Message arrived ["); Serial.print(topic); Serial.print("] "); payload[length] = '\0'; Serial.println((char *)payload); if (str...
Serial.println(response); // Parse JSON response DynamicJsonDocument jsonDoc(1024); deserializeJson(jsonDoc, response); String outputText = jsonDoc["output"]["text"]; return outputText; // Serial.println(outputText); } else { http.end(); ...
...将JSON写入文件 JavaScript提供了一个内置的·JSON对象,用于解析和序列化JSON数据。...从文件读取JSON 要将文件中的JSON数据检索并解析回JSON对象,可以使用fs.readFile()方法和JSON.parse()进行反序列化,如下所示: const fs = require('fs...应用程序中同步读取文件。
Serial.println("parseObject() failed");return; } } }voidmqtt_check_connect(){while(!mqttClient.connected())//{while(connect_aliyun_mqtt(mqttClient, PRODUCT_KEY, DEVICE_NAME, DEVICE_SECRET)) { Serial.println("MQTT connect succeed!");//client.subscribe(ALINK_TOPIC_PROP_POSTRSP);mqttClient....
(temp+5, data, size); pRtuPacketHeader_t header = packed(id, eCMD_WRITE_MULTI_HOLDING, temp, sizeof(temp)); sendPackage(header); header = recvAndParsePackage(id, (uint8_t)eCMD_WRITE_MULTI_HOLDING, reg, &ret); size = 0; if((ret == 0) && (header != NULL)){ size = (...
(INTERRUPT_PIN), dmpDataReady, RISING); mpuIntStatus = mpu.getIntStatus(); // set our DMP Ready flag so the main loop() function knows it's okay to use it Serial.println(F("DMP ready! Waiting for first interrupt...")); dmpReady = true; // get expected DMP packet size for ...
POST(data_json); if (httpCode == 200) { if (httpCode == HTTP_CODE_OK) { response = http_client.getString(); http_client.end(); Serial.println(response); // Parse JSON response // DynamicJsonDocument jsonDoc(512); deserializeJson(jsonDoc, response); String question = jsonDoc["...