lora_plug/test_recv.py

import serial_module
import cv2
import numpy as np
import time

serial_module.init("/dev/ttyUSB0")
while True:
    try:
        # time.sleep(1);
        data = serial_module.receive()
        if data == None:
            continue
        # print("Received data:", data)
        if data:
            print(f"size of data: {len(data)}")
            frame = np.frombuffer(data, np.uint8)
            # 将数据转换为图像
            print(2)
            image = cv2.imdecode(frame, cv2.IMREAD_COLOR)

            print(f"Image shape: {image.shape}")

            print(3)
            # 显示图像
            # cv2.imshow('Received Image', image)
            # print(4)
            cv2.imwrite('test_recv.jpg', image)
            print(5)
            # 等待按键输入
            if cv2.waitKey(1) & 0xFF == ord('q'):
                break
        pass
    except Exception as e:
        # print("Error:", e)
        pass