mirror of
https://github.com/NanjingForestryUniversity/supermachine--tomato-passion_fruit.git
synced 2025-11-09 14:54:07 +00:00
124 lines
4.2 KiB
Python
124 lines
4.2 KiB
Python
import win32file
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import win32pipe
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import io
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from PIL import Image
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import time
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import logging
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def send_data(pipe_send, long_axis, short_axis, defect_num, total_defect_area, rp):
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start_time = time.time()
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# width = rp.shape[0]
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# height = rp.shape[1]
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# print(width, height)
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img_bytes = rp.tobytes()
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# length = len(img_bytes) + 18
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# print(length)
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# length = length.to_bytes(4, byteorder='big')
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# width = width.to_bytes(2, byteorder='big')
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# height = height.to_bytes(2, byteorder='big')
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long_axis = long_axis.to_bytes(2, byteorder='big')
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short_axis = short_axis.to_bytes(2, byteorder='big')
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defect_num = defect_num.to_bytes(2, byteorder='big')
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total_defect_area = int(total_defect_area).to_bytes(4, byteorder='big')
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# cmd_type = 'RIM'
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# result = result.encode('ascii')
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# send_message = b'\xaa' + length + (' ' + cmd_type).upper().encode('ascii') + long_axis + short_axis + defect_num + total_defect_area + width + height + img_bytes + b'\xff\xff\xbb'
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send_message = long_axis + short_axis + defect_num + total_defect_area + img_bytes
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# print(long_axis)
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# print(short_axis)
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# print(defect_num)
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# print(total_defect_area)
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# print(width)
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# print(height)
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try:
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win32file.WriteFile(pipe_send, send_message)
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print('发送成功')
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# print(send_message)
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except Exception as e:
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logging.error(f'发送完成指令失败，错误类型：{e}')
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return False
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end_time = time.time()
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print(f'发送时间：{end_time - start_time}秒')
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return True
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def receive_data(pipe, data_size):
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try:
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# 读取图片数据
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result, img_data = win32file.ReadFile(pipe, data_size, None)
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return img_data
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except Exception as e:
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print(f"Failed to receive data. Error: {e}")
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return None
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def create_pipes(pipe_receive_name, pipe_send_name):
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# 打开或创建命名管道
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pipe_receive = win32pipe.CreateNamedPipe(
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pipe_receive_name,
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win32pipe.PIPE_ACCESS_INBOUND,
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win32pipe.PIPE_TYPE_BYTE | win32pipe.PIPE_WAIT,
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1, 80000000, 80000000, 0, None
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)
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pipe_send = win32pipe.CreateNamedPipe(
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pipe_send_name,
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win32pipe.PIPE_ACCESS_OUTBOUND, # 修改为输出模式
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win32pipe.PIPE_TYPE_BYTE | win32pipe.PIPE_WAIT,
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1, 80000000, 80000000, 0, None
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)
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# 等待发送端连接
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win32pipe.ConnectNamedPipe(pipe_receive, None)
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# 等待发送端连接
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win32pipe.ConnectNamedPipe(pipe_send, None)
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print("Sender connected.")
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print("receive connected.")
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return pipe_receive, pipe_send
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def process_images(pipe_receive, pipe_send):
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image_count = 0
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batch_size = 5
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images = []
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while True:
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for i in range(5):
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start_time = time.time() # 记录开始时间
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img_data = receive_data(pipe_receive)
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if img_data:
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image = Image.open(io.BytesIO(img_data))
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image = image.convert("L") # 示例处理：转换为灰度图
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buf = io.BytesIO()
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image.save(buf, format='JPEG')
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buf.seek(0) # 重置buffer位置到开始
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processed_data = buf.getvalue()
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images.append(buf) # 存储 BytesIO 对象而不是 Image 对象
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if len(images) >= batch_size:
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# 发送最后一个处理后的图像
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send_image_back_to_qt(pipe_send, images[-1].getvalue())
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images = [] # 清空列表以开始新的批处理
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time.sleep(0.01) # 添加适当的延迟,降低CPU使用率
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print("Image received and saved.")
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end_time = time.time() # 记录结束时间
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duration_ms = (end_time - start_time) * 1000 # 转换为毫秒
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print(f"Image {i + 1} received and displayed in {duration_ms:.2f} ms.") # 打印毫秒级的时间
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image_count += 1 # 图片计数器增加
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print(f"Image {image_count} received and displayed.")
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def main():
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pipe_receive_name = r'\\.\pipe\pipe_receive'
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pipe_send_name = r'\\.\pipe\pipe_send'
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pipe_receive, pipe_send = create_pipes(pipe_receive_name, pipe_send_name)
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process_images(pipe_receive, pipe_send)
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if __name__ == '__main__':
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main() |