{"id":48872,"date":"2025-07-30T13:46:49","date_gmt":"2025-07-30T05:46:49","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/48872.html"},"modified":"2025-07-30T13:46:49","modified_gmt":"2025-07-30T05:46:49","slug":"esp32%e8%bf%9e%e6%8e%a5%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/48872.html","title":{"rendered":"ESP32\u8fde\u63a5\u670d\u52a1\u5668"},"content":{"rendered":"

\u6e29\u99a8\u63d0\u793a：\u5982\u679c\u4e0d\u60f3\u4e86\u89e3\u8fc7\u7a0b，\u76f4\u63a5\u4ece\u7b2c\u56db\u6b65\u5f00\u59cb\u4e5f\u80fd\u6210\u529f<\/p>\n

\u4e00\u3001ESP32-\u300bPC（\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b）：\u6570\u636e\u4e92\u53d1\u00a0<\/h2>\n

\u00a0 \u00a0 \u00a0 \u00a0 1\u3001\u6253\u5f00\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 2\u3001\u63a5\u4e0aesp32\u548cUSB\u8f6c\u4e32\u53e3（\u4e24\u6839\u6570\u636e\u7ebf，TX\u63a5GPIO16，RX\u63a5GPIO17，GND\u63a5GND，\u5269\u4e0b\u4e00\u6839\u7ebf\u4e0d\u7528\u7ba1）<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 3\u3001\u5728\u8bbe\u5907\u7ba1\u7406\u5668\u4e2d\u67e5\u770b\u4e32\u53e3\u53f7，\u6ce2\u7279\u7387\u8bbe\u4e3a115200<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 4\u3001\u63a5\u53d7\u6a21\u5f0f\u548c\u53d1\u9001\u6a21\u5f0f\u8981\u4e00\u81f4（\u6587\u672c\u6a21\u5f0f，UTF-8)<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 5\u3001\u7f16\u8bd1\u3001\u70e7\u5f55\u4e0b\u9762\u7684\u4ee3\u7801<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 6\u3001\u6253\u5f00\u76d1\u89c6\u8bbe\u5907，\u5728\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b\u8fdb\u884c\u53d1\u9001\u6570\u636e，\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b\u548c\u76d1\u89c6\u8bbe\u5907\u90fd\u4f1a\u6536\u5230\u6570\u636e<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 7\u3001\u5982\u679c\u63a5\u53e3\u51fa\u73b0\u95ee\u9898，\u51fa\u73b0\u4e24\u4e2a\u76f8\u540c\u7684\u4e32\u53e3\u53f7\u5c31\u5378\u8f7d\u91cd\u88c5<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 8\u3001\u5982\u679c\u51fa\u73b0\u4e71\u7801，\u5c06\u4e32\u53e3\u8c03\u8bd5\u52a9\u624b\u548cvscode\u7684\u6ce2\u7279\u7387\u8bbe\u4e3a4800，\u5982\u679c\u8fd8\u662f\u4e0d\u884c，\u518d\u6539\u56de\u6765（115200）<\/p>\n

#include <stdio.h>
\n#include "freertos\/FreeRTOS.h"
\n#include "freertos\/task.h"
\n#include "driver\/uart.h"
\n#include "esp_log.h"<\/p>\n

#define UART_NUM UART_NUM_1 \/\/ \u4f7f\u7528 UART1 \u4f5c\u4e3a\u989d\u5916\u7684\u901a\u4fe1\u4e32\u53e3
\n#define TXD_PIN 17 \/\/ UART1 TX \u5f15\u811a
\n#define RXD_PIN 16 \/\/ UART1 RX \u5f15\u811a
\n#define UART_RX_BUFFER_SIZE 1024<\/p>\n

static const char *TAG = "UART Communication";<\/p>\n

\/\/ UART \u914d\u7f6e\u51fd\u6570
\nvoid uart_init()
\n{
\n const uart_config_t uart_config = {
\n .baud_rate = 115200, \/\/ \u6ce2\u7279\u7387
\n .data_bits = UART_DATA_8_BITS, \/\/ \u6570\u636e\u4f4d
\n .parity = UART_PARITY_DISABLE, \/\/ \u65e0\u5947\u5076\u6821\u9a8c
\n .stop_bits = UART_STOP_BITS_1, \/\/ \u505c\u6b62\u4f4d
\n .flow_ctrl = UART_HW_FLOWCTRL_DISABLE, \/\/ \u7981\u7528\u786c\u4ef6\u6d41\u63a7
\n .source_clk = UART_SCLK_APB, \/\/ \u4f7f\u7528 APB \u65f6\u949f
\n };<\/p>\n

\/\/ \u914d\u7f6e UART \u53c2\u6570
\n ESP_ERROR_CHECK(uart_driver_install(UART_NUM, UART_RX_BUFFER_SIZE, 0, 0, NULL, 0));
\n ESP_ERROR_CHECK(uart_param_config(UART_NUM, &uart_config));
\n ESP_ERROR_CHECK(uart_set_pin(UART_NUM, TXD_PIN, RXD_PIN, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE));
\n ESP_LOGI(TAG, "UART initialized successfully");
\n}<\/p>\n

\/\/ UART \u901a\u4fe1\u4efb\u52a1
\nvoid uart_communication_task(void *param)
\n{
\n uint8_t *uart_rx_buffer = (uint8_t *)malloc(UART_RX_BUFFER_SIZE);
\n if (uart_rx_buffer == NULL)
\n {
\n ESP_LOGE(TAG, "Failed to allocate memory for UART RX buffer");
\n vTaskDelete(NULL);
\n return;
\n }<\/p>\n

while (1)
\n {
\n int length = uart_read_bytes(UART_NUM, uart_rx_buffer, UART_RX_BUFFER_SIZE, pdMS_TO_TICKS(100));
\n if (length > 0)
\n {
\n ESP_LOGI(TAG, "Received %d bytes: %s", length, uart_rx_buffer);
\n \/\/ \u56de\u4f20\u63a5\u6536\u5230\u7684\u6570\u636e
\n uart_write_bytes(UART_NUM, uart_rx_buffer, length);
\n }
\n }<\/p>\n

free(uart_rx_buffer);
\n vTaskDelete(NULL);
\n}<\/p>\n

void app_main()
\n{
\n \/\/ \u521d\u59cb\u5316 UART
\n uart_init();<\/p>\n

\/\/ \u521b\u5efa UART \u901a\u4fe1\u4efb\u52a1
\n xTaskCreate(uart_communication_task, "uart_communication_task", 2048, NULL, 5, NULL);<\/p>\n

\/\/ \u4fdd\u7559\u8c03\u8bd5\u4e32\u53e3\u8f93\u51fa
\n while (1)
\n {
\n printf("Debug message from UART0\\\\n");
\n vTaskDelay(pdMS_TO_TICKS(5000));
\n }
\n}<\/p>\n

\u4e8c\u3001ESP32-\u300bPC（\u81ea\u5df1\u5199python\u811a\u672c）：\u6570\u636e\u4e92\u53d1<\/h2>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a01\u3001\u63a5\u4e0aesp32\u548cUSB\u8f6c\u4e32\u53e3（\u4e24\u6839\u6570\u636e\u7ebf，TX\u63a5GPIO16，RX\u63a5GPIO17，GND\u63a5GND，\u5269\u4e0b\u4e00\u6839\u7ebf\u4e0d\u7528\u7ba1）<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a02\u3001\u786e\u4fdd\u81ea\u5df1\u5df2\u7ecf\u5b89\u88c5\u4e86python\u7a0b\u5e8f
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u53ef\u5728\u7ec8\u7aef\u4f7f\u7528\u547d\u4ee4：python –version
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u5982\u679c\u51fa\u73b0\u7248\u672c\u53f7，\u5219\u5df2\u5b89\u88c5，\u4f8b\u5982：Python 3.9.1
\n\u00a0 \u00a0 \u00a0 \u00a0\u00a0
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a03\u3001\u5728\u7ec8\u7aef\u8fd0\u884cserial_echo.py\u6587\u4ef6（\u4e0b\u9762\u7684\u4ee3\u7801，\u4e00\u5b9a\u8981\u8f6c\u4e3apython\u6587\u4ef6）（\u5728\u7ec8\u7aef\u8f93\u5165\u547d\u4ee4：python E:\\\\server.py(\u5730\u5740）），\u5728vscode\u91cc\u9762\u7f16\u8bd1\u70e7\u5f55\u4e00\u4e2a\u6709\u8f93\u51fa\u7684\u4ee3\u7801<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u8f6cpython\u6587\u4ef6\u65b9\u6cd5：\u666e\u901a\u8bb0\u4e8b\u672c（\u5728\u4fdd\u5b58\u65f6\u9009\u62e9\u5168\u90e8\u6587\u4ef6，\u6587\u4ef6\u540d\u52a0\u4e2a\u540e\u7f00.py)
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a04\u3001\u82e5\u7ec8\u7aef\u51fa\u73b0\u8f93\u51fa\u7ed3\u679c，\u5219\u8868\u793a\u6210\u529f<\/p>\n

serial_echo.py\u6587\u4ef6：<\/p>\n

import serial
\nimport time<\/p>\n

def serial_echo(port, baudrate=115200):
\n\u00a0 \u00a0 """
\n\u00a0 \u00a0 \u6253\u5f00\u6307\u5b9a\u7684\u4e32\u53e3，\u5e76\u5b9e\u73b0\u56de\u663e\u529f\u80fd\u3002
\n\u00a0 \u00a0 :param port: \u4e32\u53e3\u53f7，\u4f8b\u5982 'COM3'
\n\u00a0 \u00a0 :param baudrate: \u6ce2\u7279\u7387，\u9ed8\u8ba4\u4e3a 115200
\n\u00a0 \u00a0 """
\n\u00a0 \u00a0 try:
\n\u00a0 \u00a0 \u00a0 \u00a0 # \u6253\u5f00\u4e32\u53e3
\n\u00a0 \u00a0 \u00a0 \u00a0 ser = serial.Serial(port, baudrate, timeout=1)
\n\u00a0 \u00a0 \u00a0 \u00a0\u00a0
\n\u00a0 \u00a0 \u00a0 \u00a0 print(f"\u4e32\u53e3 {port} \u5df2\u6253\u5f00，\u6ce2\u7279\u7387 {baudrate}")
\n\u00a0 \u00a0 \u00a0 \u00a0 print("\u5f00\u59cb\u56de\u663e\u529f\u80fd，\u6309 Ctrl+C \u9000\u51fa")
\n\u00a0 \u00a0 \u00a0 \u00a0\u00a0
\n\u00a0 \u00a0 \u00a0 \u00a0 while True:
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 if ser.in_waiting:
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # \u8bfb\u53d6\u4e32\u53e3\u6570\u636e
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 data = ser.readline().decode('utf-8').strip()
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 print(f"\u63a5\u6536\u5230\u6570\u636e: {data}")
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # \u53d1\u9001\u76f8\u540c\u7684\u6570\u636e\u56de\u4e32\u53e3
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ser.write(data.encode('utf-8'))
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0
\n\u00a0 \u00a0 except KeyboardInterrupt:
\n\u00a0 \u00a0 \u00a0 \u00a0 print("\\\\n\u7528\u6237\u4e2d\u65ad")
\n\u00a0 \u00a0 except serial.SerialException as e:
\n\u00a0 \u00a0 \u00a0 \u00a0 print(f"\u4e32\u53e3\u9519\u8bef: {e}")
\n\u00a0 \u00a0 finally:
\n\u00a0 \u00a0 \u00a0 \u00a0 # \u5173\u95ed\u4e32\u53e3
\n\u00a0 \u00a0 \u00a0 \u00a0 if 'ser' in locals():
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ser.close()
\n\u00a0 \u00a0 \u00a0 \u00a0 print("\u4e32\u53e3\u5df2\u5173\u95ed")<\/p>\n

if __name__ == "__main__":
\n\u00a0 \u00a0 import sys
\n\u00a0 \u00a0 if len(sys.argv) > 1:
\n\u00a0 \u00a0 \u00a0 \u00a0 port = sys.argv[1]
\n\u00a0 \u00a0 else:
\n\u00a0 \u00a0 \u00a0 \u00a0 port = 'COM3' \u00a0# \u9ed8\u8ba4\u4e32\u53e3\u53f7，\u6839\u636e\u9700\u8981\u4fee\u6539
\n\u00a0 \u00a0\u00a0
\n\u00a0 \u00a0 serial_echo(port)<\/p>\n

\u4e09\u3001PC（\u81ea\u5df1\u5199python\u811a\u672c）\u2014\u300b\u670d\u52a1\u5668：\u6570\u636e\u4e92\u53d1<\/h2>\n

\u00a0 \u00a0 \u00a0 \u00a0 1\u3001\u521b\u5efa\u548c\u4fdd\u5b58 Python \u811a\u672c\u6587\u4ef6<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u751f\u6210\u4e00\u4e2a\u540e\u7f00\u4e3a.py\u7684python\u6587\u4ef6，\u670d\u52a1\u5668\u7aef\u4ee3\u7801\u4fdd\u5b58\u4e3a server.py\u3002
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u5ba2\u6237\u7aef\u4ee3\u7801\u4fdd\u5b58\u4e3a client.py\u3002<\/p>\n<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 2\u3001\u5728\u7ec8\u7aef\u8fd0\u884cserver.py\u548cclient.py（\u5206\u522b\u8f93\u5165\u547d\u4ee4：python E:\\\\server.py(\u5730\u5740）\u548cpython E:\\\\client.py)<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 3\u3001\u670d\u52a1\u5668\u542f\u52a8\u540e，\u4f60\u4f1a\u770b\u5230\u7c7b\u4f3c\u4ee5\u4e0b\u7684\u8f93\u51fa：
\n\u670d\u52a1\u5668\u5df2\u542f\u52a8，\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5…<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 4\u3001\u4e4b\u540e\u5c31\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u4e92\u53d1<\/p>\n

\nserver.py\u6587\u4ef6：<\/p>\n

import socket
\nimport threading<\/p>\n

def handle_client(client_socket, client_address):
\n print(f"\u5ba2\u6237\u7aef {client_address} \u5df2\u8fde\u63a5\u3002")
\n try:
\n while True:
\n data = client_socket.recv(1024)
\n if not data:
\n print(f"\u5ba2\u6237\u7aef {client_address} \u5df2\u65ad\u5f00\u8fde\u63a5\u3002")
\n break
\n print(f"\u6765\u81ea {client_address} \u7684\u6d88\u606f: {data.decode('utf-8')}")
\n response = input("\u8bf7\u8f93\u5165\u56de\u590d\u5185\u5bb9: ")
\n client_socket.send(response.encode('utf-8'))
\n finally:
\n client_socket.close()<\/p>\n

def start_server():
\n server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
\n server.bind(('0.0.0.0', 12345)) # \u7ed1\u5b9a\u5230\u6240\u6709\u53ef\u7528\u7684\u7f51\u7edc\u63a5\u53e3，\u7aef\u53e3\u4e3a 12345
\n server.listen(5)
\n print("\u670d\u52a1\u5668\u5df2\u542f\u52a8，\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5…")<\/p>\n

while True:
\n client_socket, client_address = server.accept()
\n client_handler = threading.Thread(target=handle_client, args=(client_socket, client_address))
\n client_handler.start()<\/p>\n

if __name__ == '__main__':
\n start_server()<\/p>\n

client.py\u6587\u4ef6：<\/p>\n

import socket<\/p>\n

def start_client():
\n client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
\n server_address = ('127.0.0.1', 12345) # \u670d\u52a1\u5668\u7684 IP \u5730\u5740\u548c\u7aef\u53e3
\n client.connect(server_address)
\n print("\u5df2\u8fde\u63a5\u5230\u670d\u52a1\u5668\u3002")<\/p>\n

try:
\n while True:
\n message = input("\u8bf7\u8f93\u5165\u8981\u53d1\u9001\u7684\u6d88\u606f: ")
\n client.send(message.encode('utf-8'))
\n response = client.recv(1024)
\n print(f"\u670d\u52a1\u5668\u56de\u590d: {response.decode('utf-8')}")
\n finally:
\n client.close()
\n print("\u8fde\u63a5\u5df2\u5173\u95ed\u3002")<\/p>\n

if __name__ == '__main__':
\n start_client()<\/p>\n

\u56db\u3001ESP32-\u300b\u670d\u52a1\u5668：\u5c06\u524d\u9762\u7684\u6b65\u9aa4\u6574\u5408\u5728\u4e00\u8d77<\/h2>\n

\u00a0 \u00a0 \u00a0 \u00a0 1\u3001\u8fde\u63a5\u597dESP32\u5f00\u53d1\u677f，\u70e7\u5f55\u4e00\u4e2a\u6709\u8f93\u51fa\u7684\u4ee3\u7801
\n\u00a0 \u00a0 \u00a0 \u00a0 2\u3001\u5728\u7ec8\u7aef\u8fd0\u884cserver.py（\u8ddf\u4e0a\u9762\u7684server\u65f6\u4e00\u6837\u7684（\u8f93\u5165python E:\\\\server.py（\u5730\u5740））
\n\u00a0 \u00a0 \u00a0 \u00a0 3\u3001\u5728\u7ec8\u7aef\u8fd0\u884cclient2.py （\u8f93\u5165python E:\\\\client2.py（\u5730\u5740））
\n\u00a0 \u00a0 \u00a0 \u00a0 4\u3001\u5373\u53ef\u8fdb\u884c\u8f93\u5165\u4e92\u53d1，\u5f53ESP32\u53d1\u9001\u4e00\u4e2a\u6d88\u606f\u65f6，\u670d\u52a1\u5668\u63a5\u6536\u5230\u5e76\u4e14\u8fd4\u56de\u4e00\u4e2a\u6d88\u606f\u7684\u65f6\u5019ESP32\u624d\u80fd\u53d1\u9001\u4e0b\u4e00\u4e2a\u6d88\u606f<\/p>\n

client2.py\u6587\u4ef6：<\/p>\n

import serial
\nimport socket
\nimport threading<\/p>\n

def serial_echo(port, baudrate=115200, server_ip='127.0.0.1', server_port=12345):
\n try:
\n ser = serial.Serial(port, baudrate, timeout=1)
\n print(f"\u4e32\u53e3 {port} \u5df2\u6253\u5f00，\u6ce2\u7279\u7387：{baudrate}")
\n print("\u5f00\u59cb\u6570\u636e\u8f6c\u53d1\u529f\u80fd\u3002\u6309 Ctrl+C \u9000\u51fa")<\/p>\n

client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
\n client.connect((server_ip, server_port))
\n print("\u5df2\u8fde\u63a5\u5230\u670d\u52a1\u5668\u3002")<\/p>\n

while True:
\n if ser.in_waiting:
\n data = ser.readline().decode('utf-8').strip()
\n print(f"\u63a5\u6536\u5230\u6570\u636e：{data}")
\n client.send(data.encode('utf-8')) # \u53d1\u9001\u6570\u636e\u5230\u670d\u52a1\u5668
\n response = client.recv(1024)
\n print(f"\u670d\u52a1\u5668\u54cd\u5e94：{response.decode('utf-8')}")
\n ser.write(data.encode('utf-8')) # \u53d1\u9001\u76f8\u540c\u7684\u6570\u636e\u56de\u4e32\u53e3<\/p>\n

except serial.SerialException as e:
\n print(f"\u4e32\u53e3\u9519\u8bef：{e}")
\n except ConnectionRefusedError:
\n print("\u8fde\u63a5\u88ab\u62d2\u7edd，\u8bf7\u68c0\u67e5\u670d\u52a1\u5668\u5730\u5740\u548c\u7aef\u53e3\u53f7\u662f\u5426\u6b63\u786e！")
\n except Exception as e:
\n print(f"\u53d1\u751f\u9519\u8bef：{e}")
\n finally:
\n if 'ser' in locals():
\n ser.close()
\n print("\u4e32\u53e3\u5df2\u5173\u95ed")
\n client.close()
\n print("\u8fde\u63a5\u5df2\u5173\u95ed\u3002")<\/p>\n

if __name__ == "__main__":
\n import sys
\n if len(sys.argv) > 1:
\n port = sys.argv[1]
\n else:
\n port = 'COM3' # \u9ed8\u8ba4\u4e32\u53e3\u53f7<\/p>\n

serial_thread = threading.Thread(target=serial_echo, args=(port,))
\n serial_thread.start()<\/p>\n

# \u7b49\u5f85\u7ebf\u7a0b\u7ed3\u675f
\n serial_thread.join()<\/p>\n","protected":false},"excerpt":{"rendered":"

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