15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CHROME_BROWSER_EXTENSIONS_API_SERIAL_SERIAL_CONNECTION_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHROME_BROWSER_EXTENSIONS_API_SERIAL_SERIAL_CONNECTION_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <set> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/ref_counted.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/platform_file.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/extensions/api/api_resource.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/extensions/api/api_resource_manager.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_thread.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/io_buffer.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::BrowserThread; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace extensions { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)extern const char kSerialConnectionNotFoundError[]; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Encapsulates an open serial port. Platform-specific implementations are in 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// _win and _posix versions of the the .cc file. 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SerialConnection : public ApiResource { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SerialConnection(const std::string& port, 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int bitrate, 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& owner_extension_id); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~SerialConnection(); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool Open(); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Close(); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Flush(); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int Read(scoped_refptr<net::IOBufferWithSize> io_buffer); 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual int Write(scoped_refptr<net::IOBuffer> io_buffer, int byte_count); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct ControlSignals { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Sent from workstation to device. The should_set_ values indicate whether 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // SetControlSignals should change the given signal (true) or else leave it 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // as-is (false). 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool should_set_dtr; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool dtr; 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool should_set_rts; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool rts; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Received by workstation from device. DCD (Data Carrier Detect) is 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // equivalent to RLSD (Receive Line Signal Detect) on some platforms. 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool dcd; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool cts; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool GetControlSignals(ControlSignals &control_signals); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool SetControlSignals(const ControlSignals &control_signals); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 587d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static const BrowserThread::ID kThreadId = BrowserThread::FILE; 597d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Do platform-specific work after a successful Open(). 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool PostOpen(); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Platform-specific port name adapter 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static std::string MaybeFixUpPortName(const std::string &port_name); 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 687d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) friend class ApiResourceManager<SerialConnection>; 697d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) static const char* service_name() { 707d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) return "SerialConnectionManager"; 717d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string port_; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int bitrate_; 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::PlatformFile file_; 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace extensions 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_BROWSER_EXTENSIONS_API_SERIAL_SERIAL_CONNECTION_H_ 80