{"id":1044287,"date":"2024-12-31T13:13:14","date_gmt":"2024-12-31T05:13:14","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1044287.html"},"modified":"2024-12-31T13:13:17","modified_gmt":"2024-12-31T05:13:17","slug":"python%e5%a6%82%e4%bd%95%e5%8f%91%e9%80%81%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%bb%99%e4%b8%b2%e5%8f%a3","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1044287.html","title":{"rendered":"python\u5982\u4f55\u53d1\u9001\u5b57\u7b26\u4e32\u7ed9\u4e32\u53e3"},"content":{"rendered":"

\"python\u5982\u4f55\u53d1\u9001\u5b57\u7b26\u4e32\u7ed9\u4e32\u53e3\"<\/p>\n

\u8981\u5728Python\u4e2d\u5c06\u5b57\u7b26\u4e32\u53d1\u9001\u5230\u4e32\u53e3\uff0c\u53ef\u4ee5\u4f7f\u7528pyserial<\/code>\u5e93\u3001\u914d\u7f6e\u4e32\u53e3\u53c2\u6570\u3001\u6253\u5f00\u4e32\u53e3\u3001\u53d1\u9001\u6570\u636e<\/strong>\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u8fc7\u7a0b\u3002<\/p>\n<\/p>\n

Python\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u9886\u57df\uff0c\u5305\u62ec\u4e0e\u786c\u4ef6\u8bbe\u5907\u7684\u901a\u4fe1\u3002\u4e32\u884c\u901a\u4fe1\u662f\u786c\u4ef6\u4e0e\u8ba1\u7b97\u673a\u4e4b\u95f4\u5e38\u7528\u7684\u4e00\u79cd\u901a\u4fe1\u65b9\u5f0f\u3002\u901a\u8fc7\u4e32\u53e3\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u662f\u5f88\u591a\u786c\u4ef6\u5e94\u7528\u7684\u57fa\u7840\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\u548c\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5b89\u88c5pyserial<\/code>\u5e93<\/h3>\n<\/p>\n

\u9996\u5148\uff0c\u60a8\u9700\u8981\u5b89\u88c5pyserial<\/code>\u5e93\uff0c\u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u4e32\u884c\u901a\u4fe1\u7684Python\u5e93\u3002\u53ef\u4ee5\u4f7f\u7528pip\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n

pip install pyserial<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u60a8\u53ef\u4ee5\u5728Python\u4ee3\u7801\u4e2d\u5bfc\u5165\u8be5\u5e93\uff0c\u5e76\u5f00\u59cb\u8fdb\u884c\u4e32\u53e3\u901a\u4fe1\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u914d\u7f6e\u4e32\u53e3\u53c2\u6570<\/h3>\n<\/p>\n
\u5728\u8fdb\u884c\u4e32\u53e3\u901a\u4fe1\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u914d\u7f6e\u4e32\u53e3\u53c2\u6570\u3002\u8fd9\u4e9b\u53c2\u6570\u5305\u62ec\u7aef\u53e3\u53f7\u3001\u6ce2\u7279\u7387\u3001\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u548c\u6821\u9a8c\u4f4d\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import serial<\/p>\n
\u914d\u7f6e\u4e32\u53e3\u53c2\u6570<\/strong><\/h2>\n
port = 'COM3'  # \u6839\u636e\u5b9e\u9645\u60c5\u51b5\u9009\u62e9\u4e32\u53e3\u53f7<\/p>\n
baudrate = 9600  # \u6ce2\u7279\u7387<\/p>\n
timeout = 1  # \u8d85\u65f6\u65f6\u95f4<\/p>\n
\u6253\u5f00\u4e32\u53e3<\/strong><\/h2>\n
ser = serial.Serial(port, baudrate, timeout=timeout)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u53d1\u9001\u6570\u636e<\/h3>\n<\/p>\n
\u6253\u5f00\u4e32\u53e3\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528write<\/code>\u65b9\u6cd5\u53d1\u9001\u6570\u636e\u3002write<\/code>\u65b9\u6cd5\u9700\u8981\u4f20\u5165\u4e00\u4e2a\u5b57\u8282\u6570\u7ec4\uff0c\u56e0\u6b64\u5728\u53d1\u9001\u5b57\u7b26\u4e32\u65f6\u9700\u8981\u5c06\u5176\u7f16\u7801\u4e3a\u5b57\u8282\u6570\u7ec4\uff1a<\/p>\n<\/p>\n
# \u53d1\u9001\u5b57\u7b26\u4e32\u6570\u636e<\/p>\n
data = "Hello, Serial Port!"<\/p>\n
ser.write(data.encode('utf-8'))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u63a5\u6536\u6570\u636e<\/h3>\n<\/p>\n
\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u6b63\u786e\u53d1\u9001\u548c\u63a5\u6536\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528read<\/code>\u65b9\u6cd5\u6765\u63a5\u6536\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u63a5\u6536\u6570\u636e\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
# \u63a5\u6536\u6570\u636e<\/p>\n
received_data = ser.read(100)  # \u8bfb\u53d6100\u4e2a\u5b57\u8282<\/p>\n
print(received_data.decode('utf-8'))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u5173\u95ed\u4e32\u53e3<\/h3>\n<\/p>\n
\u5b8c\u6210\u901a\u4fe1\u540e\uff0c\u8bb0\u5f97\u5173\u95ed\u4e32\u53e3\uff1a<\/p>\n<\/p>\n
# \u5173\u95ed\u4e32\u53e3<\/p>\n
ser.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u793a\u4f8b\u4ee3\u7801<\/h3>\n<\/p>\n
\u4ee5\u4e0b\u662f\u5b8c\u6574\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5728Python\u4e2d\u901a\u8fc7\u4e32\u53e3\u53d1\u9001\u5b57\u7b26\u4e32\uff1a<\/p>\n<\/p>\n
import serial<\/p>\n
\u914d\u7f6e\u4e32\u53e3\u53c2\u6570<\/strong><\/h2>\n
port = 'COM3'<\/p>\n
baudrate = 9600<\/p>\n
timeout = 1<\/p>\n
\u6253\u5f00\u4e32\u53e3<\/strong><\/h2>\n
ser = serial.Serial(port, baudrate, timeout=timeout)<\/p>\n
\u53d1\u9001\u5b57\u7b26\u4e32\u6570\u636e<\/strong><\/h2>\n
data = "Hello, Serial Port!"<\/p>\n
ser.write(data.encode('utf-8'))<\/p>\n
\u63a5\u6536\u6570\u636e<\/strong><\/h2>\n
received_data = ser.read(100)<\/p>\n
print(received_data.decode('utf-8'))<\/p>\n
\u5173\u95ed\u4e32\u53e3<\/strong><\/h2>\n
ser.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u5e38\u89c1\u95ee\u9898<\/h3>\n<\/p>\n
1\u3001\u4e32\u53e3\u65e0\u6cd5\u6253\u5f00<\/h4>\n<\/p>\n
\u5982\u679c\u4e32\u53e3\u65e0\u6cd5\u6253\u5f00\uff0c\u8bf7\u68c0\u67e5\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<\/p>\n