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drv/serial/buf/SerialBuf.h@8:b1e4b1acdb1e, 2013-04-29 (annotated)
- Committer:
- chinson3
- Date:
- Mon Apr 29 19:27:43 2013 +0000
- Revision:
- 8:b1e4b1acdb1e
- Parent:
- 0:ac1725ba162c
Who changed what in which revision?
| User | Revision | Line number | New 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 |