Darran Shepherd
First step: AutoIP compiled in and working
drv/serial/buf/SerialBuf.h@1:4218cacaf696, 2010-06-18 (annotated)
- Committer:
- darran
- Date:
- Fri Jun 18 15:54:21 2010 +0000
- Revision:
- 1:4218cacaf696
- Parent:
- 0:55a05330f8cc
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| darran | 0:55a05330f8cc | 1 | |
| darran | 0:55a05330f8cc | 2 | /* |
| darran | 0:55a05330f8cc | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
| darran | 0:55a05330f8cc | 4 | |
| darran | 0:55a05330f8cc | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| darran | 0:55a05330f8cc | 6 | of this software and associated documentation files (the "Software"), to deal |
| darran | 0:55a05330f8cc | 7 | in the Software without restriction, including without limitation the rights |
| darran | 0:55a05330f8cc | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| darran | 0:55a05330f8cc | 9 | copies of the Software, and to permit persons to whom the Software is |
| darran | 0:55a05330f8cc | 10 | furnished to do so, subject to the following conditions: |
| darran | 0:55a05330f8cc | 11 | |
| darran | 0:55a05330f8cc | 12 | The above copyright notice and this permission notice shall be included in |
| darran | 0:55a05330f8cc | 13 | all copies or substantial portions of the Software. |
| darran | 0:55a05330f8cc | 14 | |
| darran | 0:55a05330f8cc | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| darran | 0:55a05330f8cc | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| darran | 0:55a05330f8cc | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| darran | 0:55a05330f8cc | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| darran | 0:55a05330f8cc | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| darran | 0:55a05330f8cc | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| darran | 0:55a05330f8cc | 21 | THE SOFTWARE. |
| darran | 0:55a05330f8cc | 22 | */ |
| darran | 0:55a05330f8cc | 23 | |
| darran | 0:55a05330f8cc | 24 | #ifndef SERIALBUF_H |
| darran | 0:55a05330f8cc | 25 | #define SERIALBUF_H |
| darran | 0:55a05330f8cc | 26 | |
| darran | 0:55a05330f8cc | 27 | #include "mbed.h" |
| darran | 0:55a05330f8cc | 28 | #include "netCfg.h" |
| darran | 0:55a05330f8cc | 29 | #if NET_USB_SERIAL |
| darran | 0:55a05330f8cc | 30 | #include "drv/serial/usb/UsbSerial.h" |
| darran | 0:55a05330f8cc | 31 | #endif |
| darran | 0:55a05330f8cc | 32 | |
| darran | 0:55a05330f8cc | 33 | class SerialBuf |
| darran | 0:55a05330f8cc | 34 | { |
| darran | 0:55a05330f8cc | 35 | public: |
| darran | 0:55a05330f8cc | 36 | SerialBuf(int len); //Buffer length |
| darran | 0:55a05330f8cc | 37 | ~SerialBuf(); |
| darran | 0:55a05330f8cc | 38 | |
| darran | 0:55a05330f8cc | 39 | void attach(Serial* pSerial); |
| darran | 0:55a05330f8cc | 40 | void detach(); |
| darran | 0:55a05330f8cc | 41 | |
| darran | 0:55a05330f8cc | 42 | #if NET_USB_SERIAL |
| darran | 0:55a05330f8cc | 43 | void attach(UsbSerial* pUsbSerial); |
| darran | 0:55a05330f8cc | 44 | #endif |
| darran | 0:55a05330f8cc | 45 | |
| darran | 0:55a05330f8cc | 46 | //Really useful for debugging |
| darran | 0:55a05330f8cc | 47 | char getc(); |
| darran | 0:55a05330f8cc | 48 | void putc(char c); |
| darran | 0:55a05330f8cc | 49 | bool readable(); |
| darran | 0:55a05330f8cc | 50 | bool writeable(); |
| darran | 0:55a05330f8cc | 51 | /*protected:*/ |
| darran | 0:55a05330f8cc | 52 | void setReadMode(bool readMode); //If true, keeps chars in buf when read, false by default |
| darran | 0:55a05330f8cc | 53 | void flushRead(); //Delete chars that have been read & return chars len (only useful with readMode = true) |
| darran | 0:55a05330f8cc | 54 | void resetRead(); //Go back to initial read position & return chars len (only useful with readMode = true) |
| darran | 0:55a05330f8cc | 55 | protected: |
| darran | 0:55a05330f8cc | 56 | virtual bool onRead();// = 0; //Called when new bytes are received : WARN: executed in an interrupt context >> only fast & non-blocking code (eg no printf;)) |
| darran | 0:55a05330f8cc | 57 | //return true if handled, false otherwise |
| darran | 0:55a05330f8cc | 58 | private: |
| darran | 0:55a05330f8cc | 59 | void onSerialInterrupt(); //Callback from m_pSerial |
| darran | 0:55a05330f8cc | 60 | |
| darran | 0:55a05330f8cc | 61 | volatile bool m_trmt; //For debugging (Was transmitting?) |
| darran | 0:55a05330f8cc | 62 | |
| darran | 0:55a05330f8cc | 63 | Serial* m_pSerial; //Not owned |
| darran | 0:55a05330f8cc | 64 | |
| darran | 0:55a05330f8cc | 65 | char get(); //Get a char from buf |
| darran | 0:55a05330f8cc | 66 | void put(char c); //Put a char in buf |
| darran | 0:55a05330f8cc | 67 | int room(); //Return room available in buf |
| darran | 0:55a05330f8cc | 68 | int len(); //Return chars len in buf |
| darran | 0:55a05330f8cc | 69 | |
| darran | 0:55a05330f8cc | 70 | char* m_buf; |
| darran | 0:55a05330f8cc | 71 | int m_bufLen; |
| darran | 0:55a05330f8cc | 72 | volatile char* m_pReadStart; |
| darran | 0:55a05330f8cc | 73 | volatile char* m_pRead; |
| darran | 0:55a05330f8cc | 74 | |
| darran | 0:55a05330f8cc | 75 | volatile char* m_pReadByInt; //Chars read during interrupt |
| darran | 0:55a05330f8cc | 76 | volatile bool m_intCanReadData; |
| darran | 0:55a05330f8cc | 77 | |
| darran | 0:55a05330f8cc | 78 | volatile char* m_pWrite; |
| darran | 0:55a05330f8cc | 79 | volatile bool m_readMode; |
| darran | 0:55a05330f8cc | 80 | |
| darran | 0:55a05330f8cc | 81 | #if NET_USB_SERIAL |
| darran | 0:55a05330f8cc | 82 | //USB Serial Impl |
| darran | 0:55a05330f8cc | 83 | UsbSerial* m_pUsbSerial; //Not owned |
| darran | 0:55a05330f8cc | 84 | Ticker m_usbTick; |
| darran | 0:55a05330f8cc | 85 | #endif |
| darran | 0:55a05330f8cc | 86 | }; |
| darran | 0:55a05330f8cc | 87 | |
| darran | 0:55a05330f8cc | 88 | |
| darran | 0:55a05330f8cc | 89 | #endif |