从 Arduino 读取数据时 Python readline() 的问题

Question

我正在尝试使用 pyserial 从 Windows 上的 arduino 读取数据。

import serial

device      = 'COM3'
baud        = 9600

with serial.Serial(device,baud, timeout = 0) as serialPort:
    while True:
        line = serialPort.readline()
        line = line.decode("utf-8")
        if line:
            print(line)

void setup() {
  Serial.begin(9600);
}

void loop() {

  int x = 12;
  int y = 34;
  int z = 56;
  Serial.print(x);
  Serial.print(',');
  Serial.print(y);
  Serial.print(',');
  Serial.println(z);  

}

arduino 串行监视器的输出完全符合我的预期。

12,34,56
12,34,56
12,34,56

另一方面，python 脚本正在输出：

1
2,34
,56



12,
34,5
6


1
2,34
,56



12,
34,5
6

I have tried delaying the output from the Arduino, I have tried making a buffer in the arduino code and only output the data when the buffer was full, thinking maybe python would have time to read it correctly.

我在这个网站上看到很多人，其他人也编写了类似的代码并建议它工作正常，但是我无法从 python 获得连贯的数据。 有人知道我的问题吗？

Answer 1

尝试这样做

Python

import serial

device = 'COM3'
baud = 9600

with serial.Serial(device, baud) as port:
    while True:
        print(port.readline().decode("utf-8"))

Arduino

void setup() {
  Serial.begin(9600);
}

void loop() {
  int x = 12;
  int y = 34;
  int z = 56;
  Serial.println(x + ',' + y + ',' + z);  
}