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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chrome/browser/extensions/api/serial/serial_connection.h" | 5 #include "chrome/browser/extensions/api/serial/serial_connection.h" |
| 6 | 6 |
| 7 #include <sys/ioctl.h> | 7 #include <sys/ioctl.h> |
| 8 #include <termios.h> | 8 #include <termios.h> |
| 9 | 9 |
| 10 namespace extensions { | 10 namespace extensions { |
| 11 | 11 |
| 12 bool SerialConnection::PostOpen() { | 12 bool SerialConnection::PostOpen() { |
| 13 struct termios options; | 13 struct termios options; |
| 14 | 14 |
| 15 // Start with existing options and modify. | 15 // Start with existing options and modify. |
| 16 tcgetattr(file_, &options); | 16 tcgetattr(file_, &options); |
| 17 | 17 |
| 18 // Bitrate (sometimes erroneously referred to as baud rate). | 18 // Bitrate (sometimes erroneously referred to as baud rate). |
| 19 if (bitrate_ >= 0) { | 19 if (bitrate_ >= 0) { |
| 20 cfsetispeed(&options, bitrate_); | 20 int bitrate_opt_; |
| 21 cfsetospeed(&options, bitrate_); | 21 switch (bitrate_) { |
| 22 case 0: |
| 23 bitrate_opt_ = B0; |
| 24 break; |
| 25 case 50: |
| 26 bitrate_opt_ = B50; |
| 27 break; |
| 28 case 75: |
| 29 bitrate_opt_ = B75; |
| 30 break; |
| 31 case 110: |
| 32 bitrate_opt_ = B110; |
| 33 break; |
| 34 case 134: |
| 35 bitrate_opt_ = B134; |
| 36 break; |
| 37 case 150: |
| 38 bitrate_opt_ = B150; |
| 39 break; |
| 40 case 200: |
| 41 bitrate_opt_ = B200; |
| 42 break; |
| 43 case 300: |
| 44 bitrate_opt_ = B300; |
| 45 break; |
| 46 case 600: |
| 47 bitrate_opt_ = B600; |
| 48 break; |
| 49 case 1200: |
| 50 bitrate_opt_ = B1200; |
| 51 break; |
| 52 case 1800: |
| 53 bitrate_opt_ = B1800; |
| 54 break; |
| 55 case 2400: |
| 56 bitrate_opt_ = B2400; |
| 57 break; |
| 58 case 4800: |
| 59 bitrate_opt_ = B4800; |
| 60 break; |
| 61 case 9600: |
| 62 bitrate_opt_ = B9600; |
| 63 break; |
| 64 case 19200: |
| 65 bitrate_opt_ = B19200; |
| 66 break; |
| 67 case 38400: |
| 68 bitrate_opt_ = B38400; |
| 69 break; |
| 70 #if defined(OS_POSIX) && !defined(OS_MACOSX) |
| 71 case 57600: |
| 72 bitrate_opt_ = B57600; |
| 73 break; |
| 74 case 115200: |
| 75 bitrate_opt_ = B115200; |
| 76 break; |
| 77 case 230400: |
| 78 bitrate_opt_ = B230400; |
| 79 break; |
| 80 case 460800: |
| 81 bitrate_opt_ = B460800; |
| 82 break; |
| 83 case 576000: |
| 84 bitrate_opt_ = B576000; |
| 85 break; |
| 86 case 921600: |
| 87 bitrate_opt_ = B921600; |
| 88 break; |
| 89 default: |
| 90 bitrate_opt_ = B9600; |
| 91 #else |
| 92 // MACOSX doesn't define constants bigger than 38400. |
| 93 // So if it is MACOSX and the value doesn't fit any of the defined constants |
| 94 // It will setup the bitrate with 'bitrate_' (just forwarding the value) |
| 95 default: |
| 96 bitrate_opt_ = bitrate_; |
| 97 #endif |
| 98 } |
| 99 |
| 100 cfsetispeed(&options, bitrate_opt_); |
| 101 cfsetospeed(&options, bitrate_opt_); |
| 22 } | 102 } |
| 23 | 103 |
| 24 // 8N1 | 104 // 8N1 |
| 25 options.c_cflag &= ~PARENB; | 105 options.c_cflag &= ~PARENB; |
| 26 options.c_cflag &= ~CSTOPB; | 106 options.c_cflag &= ~CSTOPB; |
| 27 options.c_cflag &= ~CSIZE; | 107 options.c_cflag &= ~CSIZE; |
| 28 options.c_cflag |= CS8; | 108 options.c_cflag |= CS8; |
| 29 options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); | 109 options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); |
| 30 | 110 |
| 31 // Enable receiver and set local mode | 111 // Enable receiver and set local mode |
| (...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 70 | 150 |
| 71 return ioctl(file_, TIOCMSET, &status) == 0; | 151 return ioctl(file_, TIOCMSET, &status) == 0; |
| 72 } | 152 } |
| 73 | 153 |
| 74 std::string SerialConnection::MaybeFixUpPortName( | 154 std::string SerialConnection::MaybeFixUpPortName( |
| 75 const std::string &port_name) { | 155 const std::string &port_name) { |
| 76 return port_name; | 156 return port_name; |
| 77 } | 157 } |
| 78 | 158 |
| 79 } // namespace extensions | 159 } // namespace extensions |
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Chromium Code Reviews
Issue 12294009:
Serial bitrate fix for linux (Closed)
Base URL: http://src.chromium.org/svn/trunk/src/