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使用Python的curses包開發(fā)cli窗口程序,用來實(shí)時(shí)刷新傳感器的讀數(shù)

連接方法請移步這里 http://www.rzrgm.cn/hangxin1940/archive/2013/04/05/3000395.html 這里使用Python的curses包開發(fā)cli窗口程序,用來實(shí)時(shí)刷新傳感器的讀數(shù) 最終的效果  GY-85.py: #!/usr/bin/python3 # -*- coding: utf-8 -*- import curses from time import * from i2clibraries import i2c_itg3205, i2c_adxl345, i2c_hmc5883l #========================================================== # GY-85傳感器監(jiān)控 #========================================================== def displayITG3205(screen, col, temp, x, y, z): """ 顯示ITG3205讀數(shù)的方法 """ screen.addstr(1, col, "%.1f°℃ " % temp) screen.addstr(2, col, "%.1f°/s " % x) screen.addstr(3, col, "%.1f°/s " % y) screen.addstr(4, col, "%.1f°/s " % z) def displayADXL345(screen, col, x, y, z): """ 顯示ADXL345讀數(shù)的方法 """ screen.addstr(1, col, "%.2fmg " % x) screen.addstr(2, col, "%.2fmg " % y) screen.addstr(3, col, "%.2fmg " % z) def displayHMC5883L(screen, col, heading, declination, x, y, z): """ 顯示MC5883L讀數(shù)的方法 """ screen.addstr(1, col, heading + " ") screen.addstr(2, col, declination + " ") screen.addstr(3, col, "%.2f " % x) screen.addstr(4, col, "%.2f " % y) screen.addstr(5, col, "%.2f " % z) try: myscreen = curses.initscr() #初始化curses myscreen.border(0) (screen_h, screen_w) = myscreen.getmaxyx() #獲得屏幕高寬 curses.start_color() #設(shè)置顏色 curses.init_pair(1, curses.COLOR_BLACK, curses.COLOR_GREEN) #綠底黑字 curses.init_pair(2, curses.COLOR_RED, curses.COLOR_BLACK) #白底藍(lán)字 curses.init_pair(3, curses.COLOR_MAGENTA,curses.COLOR_BLACK) #黑底什么字 myscreen.clear() #清除畫布 # 計(jì)算每塊的坐標(biāo), 屏幕分3列, 每列顯示一個(gè)傳感器 col1 = screen_w / 3 * 0 col2 = screen_w / 3 * 1 col3 = screen_w / 3 * 2 # 屏幕橫向分三塊,每塊中間寫上標(biāo)題 myscreen.addstr(0, int(col1 + screen_w / 3 / 2 - 3), "IGT3205", curses.color_pair(1)) myscreen.addstr(0, int(col2 + screen_w / 3 / 2 - 4), "ADXL345", curses.color_pair(1)) myscreen.addstr(0, int(col3 + screen_w / 3 / 2 - 4), "HMC5883L", curses.color_pair(1)) #畫分割線,把屏幕分為3列 for col in range(1, screen_h): myscreen.addstr(col, int(col2), "│") myscreen.addstr(col, int(col3), "│") # 事先打印IGT3205的各項(xiàng)值的名稱 myscreen.addstr(1, int(col1), "Temp:", curses.color_pair(2)) myscreen.addstr(2, int(col1), "X :", curses.color_pair(2)) myscreen.addstr(3, int(col1), "Y :", curses.color_pair(2)) myscreen.addstr(4, int(col1), "z :", curses.color_pair(2)) # 事先打印ADXL345的各項(xiàng)值的名稱 myscreen.addstr(1, int(col2) + 1, "X:", curses.color_pair(2)) myscreen.addstr(2, int(col2) + 1, "Y:", curses.color_pair(2)) myscreen.addstr(3, int(col2) + 1, "z:", curses.color_pair(2)) # 事先打印HMC5883L的各項(xiàng)值的名稱 myscreen.addstr(1, int(col3) + 1, "Heading: ", curses.color_pair(2)) myscreen.addstr(2, int(col3) + 1, "Declination:", curses.color_pair(2)) myscreen.addstr(3, int(col3) + 1, "X: ", curses.color_pair(2)) myscreen.addstr(4, int(col3) + 1, "Y: ", curses.color_pair(2)) myscreen.addstr(5, int(col3) + 1, "z: ", curses.color_pair(2)) # 初始化傳感器 itg3205 = i2c_itg3205.i2c_itg3205(0) adxl345 = i2c_adxl345.i2c_adxl345(0) hmc5883l = i2c_hmc5883l.i2c_hmc5883l(0) hmc5883l.setContinuousMode() #設(shè)置為持續(xù)更新模式 hmc5883l.setDeclination(9,54) #設(shè)置真北磁偏角補(bǔ)償 while True: #讀取itg3205數(shù)據(jù) (itgready, dataready) = itg3205.getInterruptStatus() if dataready: temp = itg3205.getDieTemperature() (x, y, z) = itg3205.getDegPerSecAxes() displayITG3205(myscreen, 6, temp, x, y, z) #刷新畫布 #讀取adxl345數(shù)據(jù) (x, y, z) = adxl345.getAxes() displayADXL345(myscreen, int(col2) + 4, x, y, z) #刷新畫布 #讀取hmc5883l數(shù)據(jù) (x, y, z) = hmc5883l.getAxes() heading = hmc5883l.getHeadingString() #獲取指向角度 declination = hmc5883l.getDeclinationString() #獲取磁偏角補(bǔ)償信息 displayHMC5883L(myscreen, int(col3) + 13, heading, declination, x, y, z) #刷新畫布 myscreen.refresh() #應(yīng)用畫布 sleep(0.1) #暫停0.1秒 myscreen.getch() finally: curses.endwin()