因为散热不够，所以Quark N的系统总是不稳定，所以迫切需要监控一下温度。最终基于稚晖君的LCD时钟脚本，折腾了如下python脚本，同时修正了原本脚本占用CPU过高的问题（其实就是加了一个一秒的Sleep），不然CPU占用在20%左右，有点恐怖。
import threading
import time
import cv2 as cv
import os
import pygame
import sys
import psutil
from pygame.locals import *
start_play = False
playing = False
drivers = ['/dev/fb1']
index = 0
class pyscope:
screen = None;
def __init__(self):
disp_no = os.getenv("DISPLAY")
if disp_no:
print("I'm running under X display = " + str(disp_no))
found = False
for driver in drivers:
# Make sure that SDL_VIDEODRIVER is set
if not os.getenv('SDL_FBDEV'):
os.putenv('SDL_FBDEV', driver)
try:
pygame.display.init()
except pygame.error:
print("Driver: " + str(driver) + "failed.")
continue
found = True
break
if not found:
raise Exception('No suitable video driver found!')
size = (pygame.display.Info().current_w, pygame.display.Info().current_h)
print("Framebuffer size: %d x %d" % (size[0], size[1]))
self.screen = pygame.display.set_mode(size, pygame.FULLSCREEN)
# Clear the screen to start
self.screen.fill((0, 0, 0))
# Initialise font support
pygame.font.init()
self.font = pygame.font.Font("/home/pi/WorkSpace/LCD/data/DIGITAL.ttf", 80)
#self.font_chinese1 = pygame.font.Font("/home/pi/WorkSpace/LCD/data/SIMYOU.TTF", 30)
#self.font_chinese2 = pygame.font.Font("/home/pi/WorkSpace/LCD/data/SIMYOU.TTF", 23)
#self.font_chinese3 = pygame.font.Font("/home/pi/WorkSpace/LCD/data/msyhbd.ttc", 30)
self.font_chinese = pygame.font.Font("/home/pi/WorkSpace/LCD/data/msyhbd.ttc", 14)
pygame.mouse.set_visible(False)
# Render the screen
pygame.display.update()
def __del__(self):
"Destructor to make sure pygame shuts down, etc."
def test(self):
# Fill the screen with red (255, 0, 0)
self.screen.fill((0, 0, 0))
global start_play
global playing
global index
t = None
while True:
if (t != time.strftime('%H:%M:%S', time.localtime(time.time()))):
t = time.strftime('%H:%M:%S', time.localtime(time.time()))
# CPU占用率
cpu_perc = str(psutil.cpu_percent())+"%"
# CPU温度
cpu_temp = str(int(psutil.sensors_temperatures()['cpu_thermal'][0].current))+"℃"
# 内存总数
mem_total = str(int((psutil.virtual_memory().total)/1024/1024))+"M"
# 已使用内存
mem_use = str(int((psutil.virtual_memory().used)/1024/1024))+"M"
# 内存占用率
mem_perc = str(int((psutil.virtual_memory().percent)))+"%"
# 网络Wlan0发送
wlan_sent = str(int( psutil.net_io_counters(pernic=True)['wlan0'].bytes_sent/1024/1024))+"M"
# 网络Wlan0接收
wlan_recv = str(int( psutil.net_io_counters(pernic=True)['wlan0'].bytes_recv/1024/1024))+"M"
# 网络Wlan0 IP
wlan_ip = str(psutil.net_if_addrs()['wlan0'][0].address)
# 启动时间
# boot_time = str(datetime.datetime.fromtimestamp(psutil.boot_time ()).strftime("%Y-%m-%d %H: %M"))
# 运行时间
uptime = str(os.popen("uptime -p").readline().strip())
self.screen.fill((0, 0, 0))
ts = t.split(":")
if (int(ts[0]) >= 20 or int(ts[0]) <= 7):
text_sys_1 = self.font_chinese.render("CPU:" + cpu_perc + "/" +cpu_temp + " "+ "MEM:" + mem_use + "/" + mem_perc, True, (206, 0, 0))
text_sys_2 = self.font_chinese.render("NET:" + wlan_sent + "/" + wlan_recv + " : " + wlan_ip, True, (206, 0, 0))
text_sys_3 = self.font_chinese.render("RUN:" + uptime, True, (206, 0, 0))
text_time = self.font.render(ts[0] + " : " + ts[1], True, (255, 0, 0))
else:
text_sys_1 = self.font_chinese.render("CPU:" + cpu_perc + "/" +cpu_temp + " "+ "MEM:" + mem_use + "/" + mem_perc, True, (222, 222, 222))
text_sys_2 = self.font_chinese.render("NET:" + wlan_sent + "/" + wlan_recv + " : " + wlan_ip, True, (222, 222, 222))
text_sys_3 = self.font_chinese.render("RUN:" + uptime, True, (222, 222, 222))
text_time = self.font.render(ts[0] + " : " + ts[1], True, (00, 255, 184))
self.screen.blit(text_time, (11, -15))
self.screen.blit(text_sys_1, (10, 85))
self.screen.blit(text_sys_2, (10, 100))
self.screen.blit(text_sys_3, (10, 115))
pygame.display.update()
#每秒执行一次，减少CPU占用
time.sleep(1)
# Create an instance of the PyScope class
scope = pyscope()
scope.test()