This short program illustrates how to use the DS130x_I2C library. My objective is to share the same RTC with Microchip 18F MCU.

Dependencies:   mbed DebugLibrary

Committer:
Yann
Date:
Fri Feb 11 10:17:20 2011 +0000
Revision:
1:995212d326ca
Parent:
0:f30e2135b0db
V0.0.0.2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Yann 0:f30e2135b0db 1
Yann 0:f30e2135b0db 2 /*
Yann 0:f30e2135b0db 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
Yann 0:f30e2135b0db 4
Yann 0:f30e2135b0db 5 Permission is hereby granted, free of charge, to any person obtaining a copy
Yann 0:f30e2135b0db 6 of this software and associated documentation files (the "Software"), to deal
Yann 0:f30e2135b0db 7 in the Software without restriction, including without limitation the rights
Yann 0:f30e2135b0db 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Yann 0:f30e2135b0db 9 copies of the Software, and to permit persons to whom the Software is
Yann 0:f30e2135b0db 10 furnished to do so, subject to the following conditions:
Yann 0:f30e2135b0db 11
Yann 0:f30e2135b0db 12 The above copyright notice and this permission notice shall be included in
Yann 0:f30e2135b0db 13 all copies or substantial portions of the Software.
Yann 0:f30e2135b0db 14
Yann 0:f30e2135b0db 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Yann 0:f30e2135b0db 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Yann 0:f30e2135b0db 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Yann 0:f30e2135b0db 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Yann 0:f30e2135b0db 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Yann 0:f30e2135b0db 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Yann 0:f30e2135b0db 21 THE SOFTWARE.
Yann 0:f30e2135b0db 22 */
Yann 0:f30e2135b0db 23
Yann 0:f30e2135b0db 24 #ifndef ATIF_H
Yann 0:f30e2135b0db 25 #define ATIF_H
Yann 0:f30e2135b0db 26
Yann 0:f30e2135b0db 27 #include "netCfg.h"
Yann 0:f30e2135b0db 28
Yann 0:f30e2135b0db 29 #include "mbed.h"
Yann 0:f30e2135b0db 30 #include "drv/serial/buf/SerialBuf.h"
Yann 0:f30e2135b0db 31 #include <list>
Yann 0:f30e2135b0db 32 using std::list;
Yann 0:f30e2135b0db 33
Yann 0:f30e2135b0db 34 //class Serial; //Pb w forward decl
Yann 0:f30e2135b0db 35
Yann 0:f30e2135b0db 36 enum ATErr
Yann 0:f30e2135b0db 37 {
Yann 0:f30e2135b0db 38 __AT_MIN = -0xFFFF,
Yann 0:f30e2135b0db 39 AT_CLOSED,
Yann 0:f30e2135b0db 40 AT_NOANSWER,
Yann 0:f30e2135b0db 41 AT_ERROR,
Yann 0:f30e2135b0db 42 AT_TIMEOUT,
Yann 0:f30e2135b0db 43 AT_BUSY,
Yann 0:f30e2135b0db 44 AT_PARSE,
Yann 0:f30e2135b0db 45 AT_INCOMPLETE,
Yann 0:f30e2135b0db 46 AT_OK = 0
Yann 0:f30e2135b0db 47 };
Yann 0:f30e2135b0db 48
Yann 0:f30e2135b0db 49 class ATIf : public SerialBuf
Yann 0:f30e2135b0db 50 {
Yann 0:f30e2135b0db 51 public:
Yann 0:f30e2135b0db 52
Yann 0:f30e2135b0db 53 ATIf();
Yann 0:f30e2135b0db 54 virtual ~ATIf();
Yann 0:f30e2135b0db 55
Yann 0:f30e2135b0db 56 #if 0
Yann 0:f30e2135b0db 57 template<class T>
Yann 0:f30e2135b0db 58 //void attachSignal( const char* sigName, T* pItem, bool (T::*pMethod)(ATIf*, bool, bool*) ); //Attach Signal ("Unsollicited response code" in Telit_AT_Reference_Guide.pdf) to an handler fn
Yann 0:f30e2135b0db 59 //Linker bug : Must be defined here :(
Yann 0:f30e2135b0db 60 void attachSignal( const char* sigName, T* pItem, bool (T::*pMethod)(ATIf*, bool, bool*) ) //Attach Signal ("Unsollicited response code" in Telit_AT_Reference_Guide.pdf) to an handler fn
Yann 0:f30e2135b0db 61 {
Yann 0:f30e2135b0db 62 ATSigHandler sig(sigName, (ATSigHandler::CDummy*)pItem, (bool (ATSigHandler::CDummy::*)(ATIf*, bool, bool*))pMethod);
Yann 0:f30e2135b0db 63 m_signals.push_back(sig);
Yann 0:f30e2135b0db 64 }
Yann 0:f30e2135b0db 65 void detachSignal( const char* sigName );
Yann 0:f30e2135b0db 66 #endif
Yann 0:f30e2135b0db 67
Yann 0:f30e2135b0db 68 ATErr open(Serial* pSerial); //Deactivate echo, etc
Yann 0:f30e2135b0db 69 #if NET_USB_SERIAL
Yann 0:f30e2135b0db 70 ATErr open(UsbSerial* pUsbSerial); //Deactivate echo, etc
Yann 0:f30e2135b0db 71 #endif
Yann 0:f30e2135b0db 72 ATErr close(); //Release port
Yann 0:f30e2135b0db 73
Yann 0:f30e2135b0db 74 int printf(const char* format, ... );
Yann 0:f30e2135b0db 75 int scanf(const char* format, ... );
Yann 0:f30e2135b0db 76 void setTimeout(int timeout); //used by scanf
Yann 0:f30e2135b0db 77 void setLineMode(bool lineMode); //Switch btw line & raw fns
Yann 0:f30e2135b0db 78 //void setSignals(bool signalsEnable);
Yann 0:f30e2135b0db 79 ATErr flushBuffer(); //Discard input buffer
Yann 0:f30e2135b0db 80 ATErr flushLine(int timeout); //Discard input buffer until CRLF is encountered
Yann 0:f30e2135b0db 81
Yann 0:f30e2135b0db 82 protected:
Yann 0:f30e2135b0db 83 //virtual bool onRead(); //Inherited from SerialBuf, return true if data is incomplete
Yann 0:f30e2135b0db 84 ATErr rawOpen(Serial* pSerial, int baudrate); //Simple open function for similar non-conforming protocols
Yann 0:f30e2135b0db 85
Yann 0:f30e2135b0db 86 public:
Yann 0:f30e2135b0db 87 /* ATErr command(const char* cmd, char* result, int resultLen, int timeout); */ //Kinda useless
Yann 0:f30e2135b0db 88 ATErr write(const char* cmd, bool lineMode = false);
Yann 0:f30e2135b0db 89 ATErr read(char* result, int resultMaxLen, int timeout, bool lineMode = false, int resultMinLen = 0);
Yann 0:f30e2135b0db 90 bool isOpen();
Yann 0:f30e2135b0db 91 ATErr checkOK(); //Helper fn to quickly check that OK has been returned
Yann 0:f30e2135b0db 92
Yann 0:f30e2135b0db 93 private:
Yann 0:f30e2135b0db 94 int readLine(char* line, int maxLen, int timeout); //Read a single line from serial port
Yann 0:f30e2135b0db 95 int writeLine(const char* line); //Write a single line to serial port
Yann 0:f30e2135b0db 96
Yann 0:f30e2135b0db 97 int readRaw(char* str, int maxLen, int timeout = 0, int minLen = 0); //Read from serial port in buf
Yann 0:f30e2135b0db 98 int writeRaw(const char* str); //Write directly to serial port
Yann 0:f30e2135b0db 99
Yann 0:f30e2135b0db 100 volatile int m_readTimeout;
Yann 0:f30e2135b0db 101 volatile bool m_lineMode;
Yann 0:f30e2135b0db 102 //bool m_signalsEnable;
Yann 0:f30e2135b0db 103 bool m_isOpen;
Yann 0:f30e2135b0db 104
Yann 0:f30e2135b0db 105 char* m_tmpBuf;
Yann 0:f30e2135b0db 106
Yann 0:f30e2135b0db 107 #if 0
Yann 0:f30e2135b0db 108 class ATSigHandler
Yann 0:f30e2135b0db 109 {
Yann 0:f30e2135b0db 110 class CDummy;
Yann 0:f30e2135b0db 111 public:
Yann 0:f30e2135b0db 112 ATSigHandler(const char* name, CDummy* cbObj, bool (CDummy::*cbMeth)(ATIf* pIf, bool beg, bool* pMoreData)) : m_cbObj(cbObj), m_cbMeth(cbMeth), m_name(name)
Yann 0:f30e2135b0db 113 {}
Yann 0:f30e2135b0db 114 protected:
Yann 0:f30e2135b0db 115 CDummy* m_cbObj;
Yann 0:f30e2135b0db 116 bool (CDummy::*m_cbMeth)(ATIf* pIf, bool beg, bool* pMoreData); //*pMoreData set to true if needs to read next line, beg = true if beginning of new code
Yann 0:f30e2135b0db 117 const char* m_name;
Yann 0:f30e2135b0db 118
Yann 0:f30e2135b0db 119 friend class ATIf;
Yann 0:f30e2135b0db 120 };
Yann 0:f30e2135b0db 121
Yann 0:f30e2135b0db 122 volatile ATSigHandler* m_pCurrentSignal; //Signal that asked more data
Yann 0:f30e2135b0db 123
Yann 0:f30e2135b0db 124 bool handleSignal(); //Returns true if signal has been handled
Yann 0:f30e2135b0db 125 list<ATSigHandler> m_signals;
Yann 0:f30e2135b0db 126 #endif
Yann 0:f30e2135b0db 127
Yann 0:f30e2135b0db 128 };
Yann 0:f30e2135b0db 129
Yann 0:f30e2135b0db 130 #endif