Пример после нажатия на кнопку клавиатуры up непрерывно играет wav файл до тех пор пока кнопку up не отпустят.
#!/usr/bin/env python # -*- coding: utf-8 -*- # Based on http://www.marsohod.org/index.php/projects/plata1/205-carctrlandr import os import BaseHTTPServer from threading import Thread import urlparse import time import string try: import android droid = android.Android() except ImportError: def mediaPlay(path): print "PLAY", path import mock droid = mock.Mock() droid.mediaPlay = mediaPlay HOST_NAME = '' PORT_NUMBER = 9090 COMMAND_SEND_INTERVAL = 1.0 # seconds COMMAND_TIMEOUT = COMMAND_SEND_INTERVAL * 2 PAGE_TEMPLATE = ''' <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>DroidBot Remote Control</title> </head> <FRAMESET ROWS="67%,33%"> <FRAME SRC="frame_a.html"> <FRAME SRC="frame_b.html"> </FRAMESET> </html> ''' PAGE_TEMPLATE_A = ''' <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body> <center> <iframe scrolling="no" width="640" height="480" src ="http://%s:8080/videofeed">No iframes?</iframe> </center> </body> </html> ''' PAGE_TEMPLATE_B = string.Template(''' <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>DroidBot Remote Control</title> <style type="text/css"> #action { background:yellow; border:0px solid #555; color:#555; width:0px; height:0px; padding:0px; } #joystick { background: black; color: white; width: 100%; height: 100%; overflow: hidden; padding: 0; margin: 0; -webkit-user-select: none; -moz-user-select: none; } .btn{ width: 7em; height: 2em; } </style> <script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script> <script src="//jeromeetienne.github.com/virtualjoystick.js/virtualjoystick.js"></script> <script> $(document).ready(function(){ function CommandSender(cmdInterval){ this.cmdInterval = cmdInterval; this.lastCmd = ""; this.lastState = ""; this.lastTime = new Date(); } CommandSender.prototype.run = function(){ var $this = this; setInterval(function(){ $this.updateState($this.lastState, $this.lastCmd); }, this.cmdInterval); } CommandSender.prototype.updateState = function(state, cmd){ if((new Date() - this.lastTime) < this.cmdInterval && cmd == this.lastCmd && state == this.lastState) return; if (state == "begin" && cmd){ this.sendCommand(state, cmd); } else if (state != this.lastState) { this.sendCommand("end", cmd); } this.lastState = state; this.lastCmd = cmd; this.lastTime = new Date(); } CommandSender.prototype.sendCommand = function(state, cmd){ $.post('command/' + state + ':' + cmd, function(resp){ console.log(resp); }); } var cmdInterval = ${COMMAND_SEND_INTERVAL}; (function buttonsHandler(){ var sender = new CommandSender(cmdInterval); $(".btn").mousedown(function(){ sender.updateState("begin", $(this).data("command")); }).mouseup(function(){ sender.updateState("end", $(this).data("command")); }).mouseleave(function(){ sender.updateState("end", ""); }); sender.run(); })(); (function keyBoardHandler(){ var sender = new CommandSender(cmdInterval); var arrow = {37: 'left', 38: 'up', 39: 'right', 40:'down'}; $(document).keydown(function (e) { var keyCode = e.keyCode || e.which; var cmd = arrow[keyCode]; if (cmd) sender.updateState("begin", cmd); }).keyup(function (e) { sender.updateState("end", ""); }); sender.run(); })(); (function joystickHandler(){ var joystick = new VirtualJoystick({ container : document.getElementById('joystick'), mouseSupport : true }); var sender = new CommandSender(cmdInterval); setInterval(function(){ var cmd = "" var state = "begin"; if(joystick.up()){ cmd = "up"; } else if (joystick.down()) { cmd = "down"; } else if (joystick.left()) { cmd = "left"; } else if (joystick.right()) { cmd = "right"; } else { state = "end"; } sender.updateState(state, cmd); }, 1/30 * 1000); })(); }); </script> </head> <body> <center> <table border=0> <tr> <td></td> <td><button class="btn" data-command="up">Up</button></td> <td></td> </tr> <tr> <td><button class="btn" data-command="left">Left</button></td> <td></td> <td><button class="btn" data-command="right">Right</button></td> </tr> <tr> <td></td> <td><button class="btn" data-command="down">Down</button></td> <td></td> </tr> </table> <div id="joystick">Joystick area. Press and drag (touch or mouse). Or use keyboard arrows</div> </center> </body> </html> ''').safe_substitute(COMMAND_SEND_INTERVAL=int(COMMAND_SEND_INTERVAL * 1000)) class CarControllerThread(Thread): path_to_audio = '/mnt/sdcard/droid_car/' command_to_audio = { 'up': 'up.wav', 'down': 'down.wav', 'left': 'left.wav', 'right': 'right.wav', } def __init__(self, timeout=1): super(CarControllerThread, self).__init__() self.timeout = timeout self.pool_timeout = timeout / 3.0 self.current_state = "" self.current_command = "" self.last_cmd_timestamp = time.time() def run(self): while True: elapsed = time.time() - self.last_cmd_timestamp if self.current_state == "begin" and elapsed > self.timeout: self.update_state("end", "") time.sleep(self.pool_timeout) def update_state(self, state, command): self.last_cmd_timestamp = time.time() if state == self.current_state and command == self.current_command: return self.current_state = state self.current_command = command if state == "end": print "PAUSE" droid.mediaPlaySetLooping(False) droid.mediaPlayPause() elif state == "begin": print "PLAY", command audio = self.command_to_audio.get(command) if audio: droid.mediaPlay(os.path.join(self.path_to_audio, audio)) droid.mediaPlaySetLooping(True) else: print "wrong command:", command class DroidHandler(BaseHTTPServer.BaseHTTPRequestHandler): def do_HEAD(self): self.send_response(200) self.send_header("Content-type", "text/html; charset=utf-8") self.end_headers() def do_GET(self): self.send_response(200) self.send_header("Content-type", "text/html; charset=utf-8") self.end_headers() url = urlparse.urlsplit(self.path) print url.path if url.path == '/frame_a.html': ip, port = self.headers.get('Host').split(":", 2) self.wfile.write(PAGE_TEMPLATE_A % ip) elif url.path == '/frame_b.html': self.wfile.write(PAGE_TEMPLATE_B) else: self.wfile.write(PAGE_TEMPLATE) def do_POST(self): self.send_response(200) self.send_header("Content-type", "text/plain; charset=utf-8") self.end_headers() if self.path.startswith("/command/"): try: #/command/state:up state, cmd = self.path.split("/")[-1].split(":") except ValueError: print "ERROR", self.path self.wfile.write("fail") return controller.update_state(state, cmd) self.wfile.write("ok") elif self.path.startswith("/ping"): self.wfile.write("pong") controller = CarControllerThread(COMMAND_TIMEOUT) controller.start() try: droid.wakeLockAcquireBright() droid.webcamStart(0, 10, 9091) droid.webcamAdjustQuality(0, 10) except Exception as e: print "Webcam error", e my_srv = BaseHTTPServer.HTTPServer((HOST_NAME, PORT_NUMBER), DroidHandler) print 'web server running on port %s' % PORT_NUMBER my_srv.serve_forever()
Код взят отсюда http://www.marsohod.org/index.php/projects/plata1/205-carctrlandr
для применения в этом проекте http://4pda.ru/forum/index.php?showtopic=435445
Буду очень признателен тем кто поможет
