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:
Wed Feb 09 13:57:49 2011 +0000
Revision:
0:f30e2135b0db
V0.0.0.1

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 /** \file
Yann 0:f30e2135b0db 25 PPP Generic network interface header file
Yann 0:f30e2135b0db 26 */
Yann 0:f30e2135b0db 27
Yann 0:f30e2135b0db 28 //This is a backend for PPP, using lwIP
Yann 0:f30e2135b0db 29
Yann 0:f30e2135b0db 30 #ifndef PPPNETIF_H
Yann 0:f30e2135b0db 31 #define PPPNETIF_H
Yann 0:f30e2135b0db 32
Yann 0:f30e2135b0db 33 #include "mbed.h"
Yann 0:f30e2135b0db 34
Yann 0:f30e2135b0db 35 //For now, only a GPRS Modem is supported,
Yann 0:f30e2135b0db 36 //but we could easily split this class into a base class + two derived classes
Yann 0:f30e2135b0db 37 // (PPP over GPRS + PPP over Serial Modem)
Yann 0:f30e2135b0db 38 #include "drv/gprs/GPRSModem.h"
Yann 0:f30e2135b0db 39 #include "if/lwip/LwipNetIf.h"
Yann 0:f30e2135b0db 40
Yann 0:f30e2135b0db 41 ///PPP connection error codes
Yann 0:f30e2135b0db 42 enum PPPErr
Yann 0:f30e2135b0db 43 {
Yann 0:f30e2135b0db 44 __PPP_MIN = -0xFFFF,
Yann 0:f30e2135b0db 45 PPP_MODEM, ///<AT error returned
Yann 0:f30e2135b0db 46 PPP_NETWORK, ///<Network is down
Yann 0:f30e2135b0db 47 PPP_PROTOCOL, ///<PPP Protocol error
Yann 0:f30e2135b0db 48 PPP_CLOSED, ///<Connection is closed
Yann 0:f30e2135b0db 49 PPP_OK = 0 ///<Success
Yann 0:f30e2135b0db 50 };
Yann 0:f30e2135b0db 51
Yann 0:f30e2135b0db 52 enum PPPStatus
Yann 0:f30e2135b0db 53 {
Yann 0:f30e2135b0db 54 PPP_CONNECTING,
Yann 0:f30e2135b0db 55 PPP_CONNECTED,
Yann 0:f30e2135b0db 56 PPP_DISCONNECTED,
Yann 0:f30e2135b0db 57 };
Yann 0:f30e2135b0db 58
Yann 0:f30e2135b0db 59 class PPPNetIf : public LwipNetIf
Yann 0:f30e2135b0db 60 {
Yann 0:f30e2135b0db 61 public:
Yann 0:f30e2135b0db 62 PPPNetIf(GPRSModem* pIf);
Yann 0:f30e2135b0db 63 virtual ~PPPNetIf();
Yann 0:f30e2135b0db 64
Yann 0:f30e2135b0db 65 #if 0
Yann 0:f30e2135b0db 66 PPPErr open(Serial* pSerial);
Yann 0:f30e2135b0db 67 #endif
Yann 0:f30e2135b0db 68
Yann 0:f30e2135b0db 69 PPPErr GPRSConnect(const char* apn, const char* userId, const char* password); //Connect using GPRS
Yann 0:f30e2135b0db 70 PPPErr ATConnect(const char* number); //Connect using a "classic" voice modem or GSM
Yann 0:f30e2135b0db 71
Yann 0:f30e2135b0db 72 virtual void poll();
Yann 0:f30e2135b0db 73
Yann 0:f30e2135b0db 74 PPPErr disconnect();
Yann 0:f30e2135b0db 75
Yann 0:f30e2135b0db 76 #if 0
Yann 0:f30e2135b0db 77 PPPErr close();
Yann 0:f30e2135b0db 78 #endif
Yann 0:f30e2135b0db 79
Yann 0:f30e2135b0db 80 protected:
Yann 0:f30e2135b0db 81 GPRSModem* m_pIf;
Yann 0:f30e2135b0db 82
Yann 0:f30e2135b0db 83 private:
Yann 0:f30e2135b0db 84 void pppCallback(int errCode, void *arg);
Yann 0:f30e2135b0db 85
Yann 0:f30e2135b0db 86 static void sPppCallback(void *ctx, int errCode, void *arg) //Callback from ppp.c
Yann 0:f30e2135b0db 87 { return ((PPPNetIf*)ctx)->pppCallback(errCode, arg); }
Yann 0:f30e2135b0db 88
Yann 0:f30e2135b0db 89 bool m_connected;
Yann 0:f30e2135b0db 90 /*bool m_open;*/
Yann 0:f30e2135b0db 91 volatile PPPStatus m_status;
Yann 0:f30e2135b0db 92 volatile int m_fd; //PPP Session descriptor
Yann 0:f30e2135b0db 93
Yann 0:f30e2135b0db 94 //int m_id;
Yann 0:f30e2135b0db 95
Yann 0:f30e2135b0db 96 uint8_t* m_buf;
Yann 0:f30e2135b0db 97
Yann 0:f30e2135b0db 98 };
Yann 0:f30e2135b0db 99
Yann 0:f30e2135b0db 100 #endif