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Dependencies: IAP NTPClient RTC mbed-rtos mbed Socket lwip-sys lwip BurstSPI
Fork of
LPC1768_Mini-DK
by 
Frank Vannieuwkerke
readline.cpp@15:688b3e3958fd, 2013-08-23 (annotated)
- Committer:
- jakeb
- Date:
- Fri Aug 23 21:45:08 2013 +0000
- Revision:
- 15:688b3e3958fd
Initial commit of software v0.2;
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| jakeb | 15:688b3e3958fd | 1 | // Copyright (c) 2013, jake (at) allaboutjake (dot) com |
| jakeb | 15:688b3e3958fd | 2 | // All rights reserved. |
| jakeb | 15:688b3e3958fd | 3 | // |
| jakeb | 15:688b3e3958fd | 4 | // Redistribution and use in source and binary forms, with or without |
| jakeb | 15:688b3e3958fd | 5 | // modification, are permitted provided that the following conditions are met: |
| jakeb | 15:688b3e3958fd | 6 | // * Redistributions of source code must retain the above copyright |
| jakeb | 15:688b3e3958fd | 7 | // notice, this list of conditions and the following disclaimer. |
| jakeb | 15:688b3e3958fd | 8 | // * Redistributions in binary form must reproduce the above copyright |
| jakeb | 15:688b3e3958fd | 9 | // notice, this list of conditions and the following disclaimer in the |
| jakeb | 15:688b3e3958fd | 10 | // documentation and/or other materials provided with the distribution. |
| jakeb | 15:688b3e3958fd | 11 | // * The name of the author and/or copyright holder nor the |
| jakeb | 15:688b3e3958fd | 12 | // names of its contributors may be used to endorse or promote products |
| jakeb | 15:688b3e3958fd | 13 | // derived from this software without specific prior written permission. |
| jakeb | 15:688b3e3958fd | 14 | // |
| jakeb | 15:688b3e3958fd | 15 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| jakeb | 15:688b3e3958fd | 16 | // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| jakeb | 15:688b3e3958fd | 17 | // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| jakeb | 15:688b3e3958fd | 18 | // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER, AUTHOR, OR ANY CONTRIBUTORS |
| jakeb | 15:688b3e3958fd | 19 | // BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| jakeb | 15:688b3e3958fd | 20 | // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| jakeb | 15:688b3e3958fd | 21 | // GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| jakeb | 15:688b3e3958fd | 22 | // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| jakeb | 15:688b3e3958fd | 23 | // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| jakeb | 15:688b3e3958fd | 24 | // OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| jakeb | 15:688b3e3958fd | 25 | |
| jakeb | 15:688b3e3958fd | 26 | // DESCRIPTION OF FILE: |
| jakeb | 15:688b3e3958fd | 27 | // |
| jakeb | 15:688b3e3958fd | 28 | // This file contains a very simple readline function used by the http and telnet |
| jakeb | 15:688b3e3958fd | 29 | // server threads. |
| jakeb | 15:688b3e3958fd | 30 | // |
| jakeb | 15:688b3e3958fd | 31 | |
| jakeb | 15:688b3e3958fd | 32 | #include "SimpleSocket.h" |
| jakeb | 15:688b3e3958fd | 33 | #include "mbed.h" |
| jakeb | 15:688b3e3958fd | 34 | #include "rtos.h" |
| jakeb | 15:688b3e3958fd | 35 | |
| jakeb | 15:688b3e3958fd | 36 | //Simple readline routine for use in the command prompt. |
| jakeb | 15:688b3e3958fd | 37 | int readline(ClientSocket* socket, char* buffer, int max_length) { |
| jakeb | 15:688b3e3958fd | 38 | int curPos = 0; |
| jakeb | 15:688b3e3958fd | 39 | |
| jakeb | 15:688b3e3958fd | 40 | while (1) { |
| jakeb | 15:688b3e3958fd | 41 | int c; |
| jakeb | 15:688b3e3958fd | 42 | |
| jakeb | 15:688b3e3958fd | 43 | //Wait for a character |
| jakeb | 15:688b3e3958fd | 44 | while ((c=socket->read()) < 0) { |
| jakeb | 15:688b3e3958fd | 45 | if (!socket->connected()) return -1; |
| jakeb | 15:688b3e3958fd | 46 | Thread::yield(); |
| jakeb | 15:688b3e3958fd | 47 | } |
| jakeb | 15:688b3e3958fd | 48 | |
| jakeb | 15:688b3e3958fd | 49 | switch (c) { |
| jakeb | 15:688b3e3958fd | 50 | case '\r': |
| jakeb | 15:688b3e3958fd | 51 | continue; |
| jakeb | 15:688b3e3958fd | 52 | |
| jakeb | 15:688b3e3958fd | 53 | case '\b': |
| jakeb | 15:688b3e3958fd | 54 | if (curPos > 0) curPos--; |
| jakeb | 15:688b3e3958fd | 55 | break; |
| jakeb | 15:688b3e3958fd | 56 | |
| jakeb | 15:688b3e3958fd | 57 | default: |
| jakeb | 15:688b3e3958fd | 58 | buffer[curPos]= (char)(c & 0xFF); |
| jakeb | 15:688b3e3958fd | 59 | curPos++; |
| jakeb | 15:688b3e3958fd | 60 | if (curPos < max_length) |
| jakeb | 15:688b3e3958fd | 61 | break; |
| jakeb | 15:688b3e3958fd | 62 | |
| jakeb | 15:688b3e3958fd | 63 | //FALLTHROUGH |
| jakeb | 15:688b3e3958fd | 64 | case '\n': |
| jakeb | 15:688b3e3958fd | 65 | buffer[curPos]=0x00; //string terminator |
| jakeb | 15:688b3e3958fd | 66 | return curPos; |
| jakeb | 15:688b3e3958fd | 67 | } |
| jakeb | 15:688b3e3958fd | 68 | } |
| jakeb | 15:688b3e3958fd | 69 | } |
| jakeb | 15:688b3e3958fd | 70 |