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_p
{ 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_...
Or if host has data to transfer, then host performs SPI transaction If both the above conditions are false, then host does not perform SPI transaction. This transaction is then performed later when host has data to be sent or interrupt is received on Data ready pin. During this SPI transact...
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(); Serial.printf("Error %i \n", httpResponseCode);...
在ESP32闪存中写入和读取对象是指将对象数据存储到ESP32的闪存中,并能够从闪存中读取对象数据。ESP32是一款低功耗的Wi-Fi和蓝牙双模模块,具有丰富的硬件资源和强大的处理能力,适用于物联网和嵌入式应用。 写入对象到ESP32闪存的过程可以通过以下步骤完成: 序列化对象:将要存储的对象转换为字节流的形式,以便能够在闪...
1. ESP32cam通过MQTT协议上传图片数据到阿里云平台1.1 阿里云物联网平台相关配置进入阿里云物联网平台创建公共实例阿里云物联网平台网址:[链接]选择 华东2(...
Serial.print("Assistant Response: "); Serial.println(assistantResponse); // Print the assistant response Serial1.println(assistantResponse); return response; // Return entire API response } else { return "Failed to parse JSON response."; ...
Serial.println("Wifi is connected."); Serial.println("IP address: "); Serial.println(WiFi.localIP()); }voidmqtt_callback(char*topic, byte *payload,unsignedintlength){ Serial.print("Message arrived ["); Serial.print(topic); Serial.print("] "); ...
POST(data_json); if (httpCode == 200) { if (httpCode == HTTP_CODE_OK) { response = http_client.getString(); http_client.end(); Serial.print(response); // Parse JSON response // DynamicJsonDocument jsonDoc(512); deserializeJson(jsonDoc, response); String question = jsonDoc["...
(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 = (...