SNMP agent attached to SPI slave

Dependencies:   mbed

Committer:
lorcansmith
Date:
Mon Aug 13 15:07:40 2012 +0000
Revision:
0:2a53a4c3238c
v1.1 release includes ioAlarm traps

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lorcansmith 0:2a53a4c3238c 1
lorcansmith 0:2a53a4c3238c 2 /*
lorcansmith 0:2a53a4c3238c 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
lorcansmith 0:2a53a4c3238c 4
lorcansmith 0:2a53a4c3238c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
lorcansmith 0:2a53a4c3238c 6 of this software and associated documentation files (the "Software"), to deal
lorcansmith 0:2a53a4c3238c 7 in the Software without restriction, including without limitation the rights
lorcansmith 0:2a53a4c3238c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
lorcansmith 0:2a53a4c3238c 9 copies of the Software, and to permit persons to whom the Software is
lorcansmith 0:2a53a4c3238c 10 furnished to do so, subject to the following conditions:
lorcansmith 0:2a53a4c3238c 11
lorcansmith 0:2a53a4c3238c 12 The above copyright notice and this permission notice shall be included in
lorcansmith 0:2a53a4c3238c 13 all copies or substantial portions of the Software.
lorcansmith 0:2a53a4c3238c 14
lorcansmith 0:2a53a4c3238c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
lorcansmith 0:2a53a4c3238c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
lorcansmith 0:2a53a4c3238c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
lorcansmith 0:2a53a4c3238c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
lorcansmith 0:2a53a4c3238c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
lorcansmith 0:2a53a4c3238c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
lorcansmith 0:2a53a4c3238c 21 THE SOFTWARE.
lorcansmith 0:2a53a4c3238c 22 */
lorcansmith 0:2a53a4c3238c 23
lorcansmith 0:2a53a4c3238c 24 #ifndef SERIALBUF_H
lorcansmith 0:2a53a4c3238c 25 #define SERIALBUF_H
lorcansmith 0:2a53a4c3238c 26
lorcansmith 0:2a53a4c3238c 27 #include "mbed.h"
lorcansmith 0:2a53a4c3238c 28 #include "netCfg.h"
lorcansmith 0:2a53a4c3238c 29 #if NET_USB_SERIAL
lorcansmith 0:2a53a4c3238c 30 #include "drv/serial/usb/UsbSerial.h"
lorcansmith 0:2a53a4c3238c 31 #endif
lorcansmith 0:2a53a4c3238c 32
lorcansmith 0:2a53a4c3238c 33 class SerialCircularBuf
lorcansmith 0:2a53a4c3238c 34 {
lorcansmith 0:2a53a4c3238c 35 public:
lorcansmith 0:2a53a4c3238c 36 SerialCircularBuf(int len);
lorcansmith 0:2a53a4c3238c 37 ~SerialCircularBuf();
lorcansmith 0:2a53a4c3238c 38
lorcansmith 0:2a53a4c3238c 39 int room();
lorcansmith 0:2a53a4c3238c 40 int len();
lorcansmith 0:2a53a4c3238c 41
lorcansmith 0:2a53a4c3238c 42 void write(char c);
lorcansmith 0:2a53a4c3238c 43 char read();
lorcansmith 0:2a53a4c3238c 44
lorcansmith 0:2a53a4c3238c 45 void setReadMode(bool readMode); //If true, keeps chars in buf when read, false by default
lorcansmith 0:2a53a4c3238c 46 void flushRead(); //Delete chars that have been read & return chars len (only useful with readMode = true)
lorcansmith 0:2a53a4c3238c 47 void resetRead(); //Go back to initial read position & return chars len (only useful with readMode = true)
lorcansmith 0:2a53a4c3238c 48
lorcansmith 0:2a53a4c3238c 49 private:
lorcansmith 0:2a53a4c3238c 50 char* m_buf;
lorcansmith 0:2a53a4c3238c 51 int m_len;
lorcansmith 0:2a53a4c3238c 52
lorcansmith 0:2a53a4c3238c 53 volatile char* m_pReadStart;
lorcansmith 0:2a53a4c3238c 54 volatile char* m_pRead;
lorcansmith 0:2a53a4c3238c 55 volatile char* m_pWrite;
lorcansmith 0:2a53a4c3238c 56 volatile bool m_readMode;
lorcansmith 0:2a53a4c3238c 57 };
lorcansmith 0:2a53a4c3238c 58
lorcansmith 0:2a53a4c3238c 59 class SerialBuf
lorcansmith 0:2a53a4c3238c 60 {
lorcansmith 0:2a53a4c3238c 61 public:
lorcansmith 0:2a53a4c3238c 62 SerialBuf(int len); //Buffer length
lorcansmith 0:2a53a4c3238c 63 virtual ~SerialBuf();
lorcansmith 0:2a53a4c3238c 64
lorcansmith 0:2a53a4c3238c 65 void attach(Serial* pSerial);
lorcansmith 0:2a53a4c3238c 66 void detach();
lorcansmith 0:2a53a4c3238c 67
lorcansmith 0:2a53a4c3238c 68 #if NET_USB_SERIAL
lorcansmith 0:2a53a4c3238c 69 void attach(UsbSerial* pUsbSerial);
lorcansmith 0:2a53a4c3238c 70 #endif
lorcansmith 0:2a53a4c3238c 71
lorcansmith 0:2a53a4c3238c 72 //Really useful for debugging
lorcansmith 0:2a53a4c3238c 73 char getc();
lorcansmith 0:2a53a4c3238c 74 void putc(char c);
lorcansmith 0:2a53a4c3238c 75 bool readable();
lorcansmith 0:2a53a4c3238c 76 bool writeable();
lorcansmith 0:2a53a4c3238c 77 /*protected:*/
lorcansmith 0:2a53a4c3238c 78 void setReadMode(bool readMode); //If true, keeps chars in buf when read, false by default
lorcansmith 0:2a53a4c3238c 79 void flushRead(); //Delete chars that have been read & return chars len (only useful with readMode = true)
lorcansmith 0:2a53a4c3238c 80 void resetRead(); //Go back to initial read position & return chars len (only useful with readMode = true)
lorcansmith 0:2a53a4c3238c 81
lorcansmith 0:2a53a4c3238c 82 private:
lorcansmith 0:2a53a4c3238c 83 void onRxInterrupt(); //Callback from m_pSerial
lorcansmith 0:2a53a4c3238c 84 void onTxInterrupt(); //Callback from m_pSerial
lorcansmith 0:2a53a4c3238c 85
lorcansmith 0:2a53a4c3238c 86 SerialCircularBuf m_rxBuf;
lorcansmith 0:2a53a4c3238c 87 SerialCircularBuf m_txBuf;
lorcansmith 0:2a53a4c3238c 88
lorcansmith 0:2a53a4c3238c 89 Serial* m_pSerial; //Not owned
lorcansmith 0:2a53a4c3238c 90
lorcansmith 0:2a53a4c3238c 91 #if NET_USB_SERIAL
lorcansmith 0:2a53a4c3238c 92 //USB Serial Impl
lorcansmith 0:2a53a4c3238c 93 UsbSerial* m_pUsbSerial; //Not owned
lorcansmith 0:2a53a4c3238c 94 //Ticker m_usbTick;
lorcansmith 0:2a53a4c3238c 95 #endif
lorcansmith 0:2a53a4c3238c 96 };
lorcansmith 0:2a53a4c3238c 97
lorcansmith 0:2a53a4c3238c 98
lorcansmith 0:2a53a4c3238c 99 #endif