Python

查看引脚定义 依赖安装 1pip install psutil luma.core luma.oled 代码 1import subprocess 2import time 3import socket 4import psutil 5from luma.core.interface.serial import i2c, spi 6from luma.core.render import canvas 7from luma.oled.device import ssd1306, ssd1325, ssd1331, sh1106 8 9serial = i2c(port=2, address=0x3C) 10device = ssd1306(serial) 11 12def get_cpu_temperature(): 13 with open('/sys/class/thermal/thermal_zone0/temp', 'r') as file: 14 temperature = int(file.read()) / 1000.0 15 return temperature 16 17cmd = "hostname -I | cut -d\' \' -f1" 18IP = subprocess.check_output(cmd, shell=True).decode().strip() 19 20 # 将字节转换为 GB 21def bytes_to_gb(bytes): 22 return bytes / (1024 ** 3) 23 24# 将字节转换为合适的单位 25def convert_size(size): 26 # 定义单位列表 27 units = ['B', 'KB', 'MB', 'GB', 'TB'] 28 29 # 迭代转换单位直到小于1024 30 for unit in units: 31 if size < 1024: 32 return f"{size:.2f} {unit}" 33 size /= 1024 34 35 return f"{size:.2f} {units[-1]}" 36 37# 获取初始的输入输出流量 38net_io_start = psutil.net_io_counters() 39 40while True: 41 with canvas(device) as draw: 42 cmd = "hostname -I | cut -d\' \' -f1" 43 current_IP = subprocess.check_output(cmd, shell=True).decode().strip() 44 timestamp_start = time.time() 45 46 # 等待一秒钟 47 time.sleep(1) 48 49 cpu_usage = psutil.cpu_percent(interval=1) 50 cpu_temperature = get_cpu_temperature() 51 52 # 获取内存占用情况 53 memory = psutil.virtual_memory() 54 55 # 获取总内存大小（以 GB 为单位） 56 total_memory = bytes_to_gb(memory.total) 57 58 # 获取可用内存大小（以 GB 为单位） 59 available_memory = bytes_to_gb(memory.available) 60 61 # 获取已使用内存大小（以 GB 为单位） 62 used_memory = bytes_to_gb(memory.used) 63 64 # 获取内存使用率 65 memory_usage = memory.percent 66 67 disk = psutil.disk_usage('/') 68 total_disk = bytes_to_gb(disk.total) 69 free_disk = bytes_to_gb(disk.free) 70 71 # 获取当前的输入输出流量和时间戳 72 net_io_current = psutil.net_io_counters() 73 timestamp_current = time.time() 74 75 # 计算时间间隔 76 time_interval = timestamp_current - timestamp_start 77 78 # 计算上行和下行网速 79 upload_speed = (net_io_current.bytes_sent - net_io_start.bytes_sent) / time_interval 80 download_speed = (net_io_current.bytes_recv - net_io_start.bytes_recv) / time_interval 81 upload_speed = upload_speed / 2 82 83 # 切换单位 84 upload_speed = convert_size(upload_speed) 85 download_speed = convert_size(download_speed) 86 87 88 # 更新初始的输入输出流量 89 net_io_start = net_io_current 90 91 draw.rectangle(device.bounding_box, outline="white", fill="black") # 让屏幕周围显示一个框 92 draw.text((2,1),f"IP:{current_IP}",fill="white") 93 draw.text((2,11),f"CPU_use:{cpu_usage}%",fill="white") 94 draw.text((2,21),f"CPU_tem:{cpu_temperature:.2f}°C",fill="white") 95 draw.text((2,31),f"MEM:{memory_usage:.2f}%",fill="white") 96 draw.text((2,41), f"DISK:{free_disk:.2f}/{total_disk:.2f}GB", fill="white") 97 draw.text((2,51), f"NET:{upload_speed}/{download_speed}", fill="white") 运行 ...