Rahol Rajan / NetServices-Traffic

Used in Live Traffic Update Nokia LCD Display Project

Fork of NetServices by Segundo Equipo

drv/serial/buf/SerialBuf.h@8:92b57208ab99, 2013-03-06 (annotated)

Committer:
rrajan8
Date:
Wed Mar 06 19:07:23 2013 +0000
Revision:
8:92b57208ab99
Parent:
0:ac1725ba162c 
This project utilizes mbed's networking features to display live traffic updates on the Nokia LCD using the MapQuest API's Traffic Web Service.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
segundo 0:ac1725ba162c 1
segundo 0:ac1725ba162c 2 /*
segundo 0:ac1725ba162c 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
segundo 0:ac1725ba162c 4
segundo 0:ac1725ba162c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
segundo 0:ac1725ba162c 6 of this software and associated documentation files (the "Software"), to deal
segundo 0:ac1725ba162c 7 in the Software without restriction, including without limitation the rights
segundo 0:ac1725ba162c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
segundo 0:ac1725ba162c 9 copies of the Software, and to permit persons to whom the Software is
segundo 0:ac1725ba162c 10 furnished to do so, subject to the following conditions:
segundo 0:ac1725ba162c 11
segundo 0:ac1725ba162c 12 The above copyright notice and this permission notice shall be included in
segundo 0:ac1725ba162c 13 all copies or substantial portions of the Software.
segundo 0:ac1725ba162c 14
segundo 0:ac1725ba162c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
segundo 0:ac1725ba162c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
segundo 0:ac1725ba162c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
segundo 0:ac1725ba162c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
segundo 0:ac1725ba162c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
segundo 0:ac1725ba162c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
segundo 0:ac1725ba162c 21 THE SOFTWARE.
segundo 0:ac1725ba162c 22 */
segundo 0:ac1725ba162c 23
segundo 0:ac1725ba162c 24 #ifndef SERIALBUF_H
segundo 0:ac1725ba162c 25 #define SERIALBUF_H
segundo 0:ac1725ba162c 26
segundo 0:ac1725ba162c 27 #include "mbed.h"
segundo 0:ac1725ba162c 28 #include "netCfg.h"
segundo 0:ac1725ba162c 29 #if NET_USB_SERIAL
segundo 0:ac1725ba162c 30 #include "drv/serial/usb/UsbSerial.h"
segundo 0:ac1725ba162c 31 #endif
segundo 0:ac1725ba162c 32
segundo 0:ac1725ba162c 33 class SerialCircularBuf
segundo 0:ac1725ba162c 34 {
segundo 0:ac1725ba162c 35 public:
segundo 0:ac1725ba162c 36 SerialCircularBuf(int len);
segundo 0:ac1725ba162c 37 ~SerialCircularBuf();
segundo 0:ac1725ba162c 38
segundo 0:ac1725ba162c 39 int room();
segundo 0:ac1725ba162c 40 int len();
segundo 0:ac1725ba162c 41
segundo 0:ac1725ba162c 42 void write(char c);
segundo 0:ac1725ba162c 43 char read();
segundo 0:ac1725ba162c 44
segundo 0:ac1725ba162c 45 void setReadMode(bool readMode); //If true, keeps chars in buf when read, false by default
segundo 0:ac1725ba162c 46 void flushRead(); //Delete chars that have been read & return chars len (only useful with readMode = true)
segundo 0:ac1725ba162c 47 void resetRead(); //Go back to initial read position & return chars len (only useful with readMode = true)
segundo 0:ac1725ba162c 48
segundo 0:ac1725ba162c 49 private:
segundo 0:ac1725ba162c 50 char* m_buf;
segundo 0:ac1725ba162c 51 int m_len;
segundo 0:ac1725ba162c 52
segundo 0:ac1725ba162c 53 volatile char* m_pReadStart;
segundo 0:ac1725ba162c 54 volatile char* m_pRead;
segundo 0:ac1725ba162c 55 volatile char* m_pWrite;
segundo 0:ac1725ba162c 56 volatile bool m_readMode;
segundo 0:ac1725ba162c 57 };
segundo 0:ac1725ba162c 58
segundo 0:ac1725ba162c 59 class SerialBuf
segundo 0:ac1725ba162c 60 {
segundo 0:ac1725ba162c 61 public:
segundo 0:ac1725ba162c 62 SerialBuf(int len); //Buffer length
segundo 0:ac1725ba162c 63 virtual ~SerialBuf();
segundo 0:ac1725ba162c 64
segundo 0:ac1725ba162c 65 void attach(Serial* pSerial);
segundo 0:ac1725ba162c 66 void detach();
segundo 0:ac1725ba162c 67
segundo 0:ac1725ba162c 68 #if NET_USB_SERIAL
segundo 0:ac1725ba162c 69 void attach(UsbSerial* pUsbSerial);
segundo 0:ac1725ba162c 70 #endif
segundo 0:ac1725ba162c 71
segundo 0:ac1725ba162c 72 //Really useful for debugging
segundo 0:ac1725ba162c 73 char getc();
segundo 0:ac1725ba162c 74 void putc(char c);
segundo 0:ac1725ba162c 75 bool readable();
segundo 0:ac1725ba162c 76 bool writeable();
segundo 0:ac1725ba162c 77 /*protected:*/
segundo 0:ac1725ba162c 78 void setReadMode(bool readMode); //If true, keeps chars in buf when read, false by default
segundo 0:ac1725ba162c 79 void flushRead(); //Delete chars that have been read & return chars len (only useful with readMode = true)
segundo 0:ac1725ba162c 80 void resetRead(); //Go back to initial read position & return chars len (only useful with readMode = true)
segundo 0:ac1725ba162c 81
segundo 0:ac1725ba162c 82 private:
segundo 0:ac1725ba162c 83 void onRxInterrupt(); //Callback from m_pSerial
segundo 0:ac1725ba162c 84 void onTxInterrupt(); //Callback from m_pSerial
segundo 0:ac1725ba162c 85
segundo 0:ac1725ba162c 86 SerialCircularBuf m_rxBuf;
segundo 0:ac1725ba162c 87 SerialCircularBuf m_txBuf;
segundo 0:ac1725ba162c 88
segundo 0:ac1725ba162c 89 Serial* m_pSerial; //Not owned
segundo 0:ac1725ba162c 90
segundo 0:ac1725ba162c 91 #if NET_USB_SERIAL
segundo 0:ac1725ba162c 92 //USB Serial Impl
segundo 0:ac1725ba162c 93 UsbSerial* m_pUsbSerial; //Not owned
segundo 0:ac1725ba162c 94 //Ticker m_usbTick;
segundo 0:ac1725ba162c 95 #endif
segundo 0:ac1725ba162c 96 };
segundo 0:ac1725ba162c 97
segundo 0:ac1725ba162c 98
segundo 0:ac1725ba162c 99 #endif