static void tcp_client(void) { char rx_buffer[128]; char host_ip[] = HOST_IP_ADDR; int addr_family = 0; int ip_protocol = 0; struct timeval timeout={ .tv_sec = 0, .tv_usec = 20, }; u_long non_blocking=1; int sen
intuart_read_bytes(uart_port_t uart_num,uint8_t*buf,uint32_t length,TickType_t ticks_to_wait); 2.6、数据写入发送缓冲区 代码语言:javascript 代码运行次数:0 运行 AI代码解释 intuart_write_bytes(uart_port_t uart_num,constchar*src,size_t size); 3、代码实现 3.1、参数定义 代码语言:javascrip...
voidsenderTask(void* parameter){intitem =0;for(;;) {xQueueSend(queue, &item, portMAX_DELAY);item++;}} voidreceiverTask(void* parameter){intitem;for(;;) {xQueueReceive(queue, &item, portMAX_DELAY);Serial.println(item);}} voidsetup(){que...
// WiFiconstchar*ssid ="xxxxx";// Enter your WiFi nameconstchar*password ="xxxxx";// Enter WiFi password// MQTT Brokerconstchar*mqtt_broker ="broker.emqx.io";constchar*topic ="emqx/esp32";constchar*mqtt_username ="emqx";constchar*mqtt_password ="public";constintmqtt_port =1883; 建立...
和数字 int create_js(void) { cJSON *root, js_body; root= JSON_CreateArray();//创建数组 cJSON_AddItemArray(root, cJSON_CreateString("Hello world"));//创建字符串 cJSON_AddItemToArray(root, cJSON_CreateNumber(10)); //创建数字 { char *s = cJSON_PrintUnformatted(root); if(s) {...
transp, bool bpp8) //plot 8 or 1 bit image or sprite with a transparent coloursetSwapBytes(bool swap) //Used by 16 bit pushImage() to swap byte order in coloursgetSwapBytes(void) //Return the swap byte order for coloursreadRectRGB(int32_t x0, int32_t y0, int32_t w, int...
int httpCode = http.GET(); //保存返回的状态码 // put your main code here, to run repeatedly: if (httpCode > 0) // 如果状态码大于0说明请求过程无异常 { if (httpCode == HTTP_CODE_OK) // 请求被服务器正常响应,等同于httpCode == 200 ...
TIMERGN.int_clr_timers.tM=1;//TIMERGN中的N代表定时器组别编号,可设置0或1//tM中的M代表定时器编号,可设置为0或1TIMERG0.int_clr_timers.t1=1;//清除定时器组别0中定时器1的中断状态位 ESP32中的FreeRTOS时钟 ESP32中的FreeRTOS使用任意硬件定时器通过开启警报中断模式来实现系统时钟(systick) ...
// Structure example to send data // Must match the receiver structure typedef struct struct_message { char a[32]; int b; float c; bool d; } struct_message; // Create a struct_message calledmyData struct_message myData; esp_now_peer_info_t peerInfo; ...
之后找到static final int[] specificUnicodes所在行,在此函数中添加之前在编辑器中编辑好的汉字Unicode编码 processing添加中文Unicode编码 点击运行按钮无问题则正常显示预览字体,同时生成vlw文件 processing运行结果 此时还需将vlw文件转换为16进制编码 进入下面的网站https://tomeko.net/online_tools/file_to_hex.php...