Yann Garcia / Mbed 2 deprecated DS130x_I2CApp

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

NetServices/if/ppp/PPPNetIf.cpp@0:f30e2135b0db, 2011-02-09 (annotated)

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 #include "PPPNetIf.h"
Yann 0:f30e2135b0db 25 #include "mbed.h"
Yann 0:f30e2135b0db 26 #include "ppp/ppp.h"
Yann 0:f30e2135b0db 27 #include "lwip/init.h"
Yann 0:f30e2135b0db 28 #include "lwip/sio.h"
Yann 0:f30e2135b0db 29
Yann 0:f30e2135b0db 30 #define __DEBUG
Yann 0:f30e2135b0db 31 #include "dbg/dbg.h"
Yann 0:f30e2135b0db 32
Yann 0:f30e2135b0db 33 #include "netCfg.h"
Yann 0:f30e2135b0db 34 #if NET_PPP
Yann 0:f30e2135b0db 35
Yann 0:f30e2135b0db 36 #define PPP_TIMEOUT 60000
Yann 0:f30e2135b0db 37
Yann 0:f30e2135b0db 38 #define BUF_SIZE 256
Yann 0:f30e2135b0db 39
Yann 0:f30e2135b0db 40 PPPNetIf::PPPNetIf(GPRSModem* pIf) : LwipNetIf(), m_pIf(pIf),/* m_open(false),*/ m_connected(false), m_status(PPP_DISCONNECTED), m_fd(0) //, m_id(0)
Yann 0:f30e2135b0db 41 {
Yann 0:f30e2135b0db 42 //FIXME: Check static refcount
Yann 0:f30e2135b0db 43 m_buf = new uint8_t[BUF_SIZE];
Yann 0:f30e2135b0db 44 }
Yann 0:f30e2135b0db 45
Yann 0:f30e2135b0db 46 PPPNetIf::~PPPNetIf()
Yann 0:f30e2135b0db 47 {
Yann 0:f30e2135b0db 48 delete[] m_buf;
Yann 0:f30e2135b0db 49 }
Yann 0:f30e2135b0db 50
Yann 0:f30e2135b0db 51 #if 0
Yann 0:f30e2135b0db 52 PPPErr PPPNetIf::open(Serial* pSerial)
Yann 0:f30e2135b0db 53 {
Yann 0:f30e2135b0db 54 GPRSErr err = m_pIf->open(pSerial);
Yann 0:f30e2135b0db 55 if(err)
Yann 0:f30e2135b0db 56 return PPP_MODEM;
Yann 0:f30e2135b0db 57 m_open = true;
Yann 0:f30e2135b0db 58 #if 0
Yann 0:f30e2135b0db 59 m_id = sioMgr::registerSerialIf(this);
Yann 0:f30e2135b0db 60 if(!m_id)
Yann 0:f30e2135b0db 61 {
Yann 0:f30e2135b0db 62 close();
Yann 0:f30e2135b0db 63 return PPP_CLOSED;
Yann 0:f30e2135b0db 64 }
Yann 0:f30e2135b0db 65 #endif
Yann 0:f30e2135b0db 66 return PPP_OK;
Yann 0:f30e2135b0db 67 }
Yann 0:f30e2135b0db 68 #endif
Yann 0:f30e2135b0db 69
Yann 0:f30e2135b0db 70
Yann 0:f30e2135b0db 71 PPPErr PPPNetIf::GPRSConnect(const char* apn, const char* userId, const char* password) //Connect using GPRS
Yann 0:f30e2135b0db 72 {
Yann 0:f30e2135b0db 73 LwipNetIf::init();
Yann 0:f30e2135b0db 74 pppInit();
Yann 0:f30e2135b0db 75 //TODO: Tell ATIf that we get ownership of the serial port
Yann 0:f30e2135b0db 76
Yann 0:f30e2135b0db 77 GPRSErr gprsErr;
Yann 0:f30e2135b0db 78 gprsErr = m_pIf->connect(apn);
Yann 0:f30e2135b0db 79 if(gprsErr)
Yann 0:f30e2135b0db 80 return PPP_NETWORK;
Yann 0:f30e2135b0db 81
Yann 0:f30e2135b0db 82 DBG("PPPNetIf: If Connected.\n");
Yann 0:f30e2135b0db 83
Yann 0:f30e2135b0db 84 if( userId == NULL )
Yann 0:f30e2135b0db 85 pppSetAuth(PPPAUTHTYPE_NONE, NULL, NULL);
Yann 0:f30e2135b0db 86 else
Yann 0:f30e2135b0db 87 pppSetAuth(PPPAUTHTYPE_PAP, userId, password); //TODO: Allow CHAP as well
Yann 0:f30e2135b0db 88
Yann 0:f30e2135b0db 89 DBG("PPPNetIf: Set Auth.\n");
Yann 0:f30e2135b0db 90
Yann 0:f30e2135b0db 91 //wait(1.);
Yann 0:f30e2135b0db 92
Yann 0:f30e2135b0db 93 //m_pIf->flushBuffer(); //Flush buffer before passing serial port to PPP
Yann 0:f30e2135b0db 94
Yann 0:f30e2135b0db 95 m_status = PPP_CONNECTING;
Yann 0:f30e2135b0db 96 DBG("m_pIf = %p\n", m_pIf);
Yann 0:f30e2135b0db 97 int res = pppOverSerialOpen((void*)m_pIf, sPppCallback, (void*)this);
Yann 0:f30e2135b0db 98 DBG("PPP connected\n");
Yann 0:f30e2135b0db 99 if(res<0)
Yann 0:f30e2135b0db 100 {
Yann 0:f30e2135b0db 101 disconnect();
Yann 0:f30e2135b0db 102 return PPP_PROTOCOL;
Yann 0:f30e2135b0db 103 }
Yann 0:f30e2135b0db 104
Yann 0:f30e2135b0db 105 DBG("PPPNetIf: PPP Started with res = %d.\n", res);
Yann 0:f30e2135b0db 106
Yann 0:f30e2135b0db 107 m_fd = res;
Yann 0:f30e2135b0db 108 m_connected = true;
Yann 0:f30e2135b0db 109 Timer t;
Yann 0:f30e2135b0db 110 t.start();
Yann 0:f30e2135b0db 111 while( m_status == PPP_CONNECTING ) //Wait for callback
Yann 0:f30e2135b0db 112 {
Yann 0:f30e2135b0db 113 poll();
Yann 0:f30e2135b0db 114 if(t.read_ms()>PPP_TIMEOUT)
Yann 0:f30e2135b0db 115 {
Yann 0:f30e2135b0db 116 DBG("PPPNetIf: Timeout.\n");
Yann 0:f30e2135b0db 117 disconnect();
Yann 0:f30e2135b0db 118 return PPP_PROTOCOL;
Yann 0:f30e2135b0db 119 }
Yann 0:f30e2135b0db 120 }
Yann 0:f30e2135b0db 121
Yann 0:f30e2135b0db 122 DBG("PPPNetIf: Callback returned.\n");
Yann 0:f30e2135b0db 123
Yann 0:f30e2135b0db 124 if( m_status == PPP_DISCONNECTED )
Yann 0:f30e2135b0db 125 {
Yann 0:f30e2135b0db 126 disconnect();
Yann 0:f30e2135b0db 127 return PPP_PROTOCOL;
Yann 0:f30e2135b0db 128 }
Yann 0:f30e2135b0db 129
Yann 0:f30e2135b0db 130 return PPP_OK;
Yann 0:f30e2135b0db 131
Yann 0:f30e2135b0db 132 }
Yann 0:f30e2135b0db 133
Yann 0:f30e2135b0db 134 PPPErr PPPNetIf::ATConnect(const char* number) //Connect using a "classic" voice modem or GSM
Yann 0:f30e2135b0db 135 {
Yann 0:f30e2135b0db 136 //TODO: IMPL
Yann 0:f30e2135b0db 137 return PPP_MODEM;
Yann 0:f30e2135b0db 138 }
Yann 0:f30e2135b0db 139
Yann 0:f30e2135b0db 140 PPPErr PPPNetIf::disconnect()
Yann 0:f30e2135b0db 141 {
Yann 0:f30e2135b0db 142 if(m_fd)
Yann 0:f30e2135b0db 143 pppClose(m_fd); //0 if ok, else should gen a WARN
Yann 0:f30e2135b0db 144 m_connected = false;
Yann 0:f30e2135b0db 145
Yann 0:f30e2135b0db 146 m_pIf->flushBuffer();
Yann 0:f30e2135b0db 147 m_pIf->printf("+++\r\n");
Yann 0:f30e2135b0db 148 wait(.5);
Yann 0:f30e2135b0db 149 m_pIf->flushBuffer();
Yann 0:f30e2135b0db 150
Yann 0:f30e2135b0db 151 GPRSErr gprsErr;
Yann 0:f30e2135b0db 152 gprsErr = m_pIf->disconnect();
Yann 0:f30e2135b0db 153 if(gprsErr)
Yann 0:f30e2135b0db 154 return PPP_NETWORK;
Yann 0:f30e2135b0db 155
Yann 0:f30e2135b0db 156 return PPP_OK;
Yann 0:f30e2135b0db 157 }
Yann 0:f30e2135b0db 158
Yann 0:f30e2135b0db 159 #if 0
Yann 0:f30e2135b0db 160 PPPErr PPPNetIf::close()
Yann 0:f30e2135b0db 161 {
Yann 0:f30e2135b0db 162 GPRSErr err = m_pIf->close();
Yann 0:f30e2135b0db 163 if(err)
Yann 0:f30e2135b0db 164 return PPP_MODEM;
Yann 0:f30e2135b0db 165 m_open = false;
Yann 0:f30e2135b0db 166 return PPP_OK;
Yann 0:f30e2135b0db 167 }
Yann 0:f30e2135b0db 168 #endif
Yann 0:f30e2135b0db 169
Yann 0:f30e2135b0db 170
Yann 0:f30e2135b0db 171 #if 0
Yann 0:f30e2135b0db 172 //We have to use :
Yann 0:f30e2135b0db 173
Yann 0:f30e2135b0db 174 /** Pass received raw characters to PPPoS to be decoded. This function is
Yann 0:f30e2135b0db 175 * thread-safe and can be called from a dedicated RX-thread or from a main-loop.
Yann 0:f30e2135b0db 176 *
Yann 0:f30e2135b0db 177 * @param pd PPP descriptor index, returned by pppOpen()
Yann 0:f30e2135b0db 178 * @param data received data
Yann 0:f30e2135b0db 179 * @param len length of received data
Yann 0:f30e2135b0db 180 */
Yann 0:f30e2135b0db 181 void
Yann 0:f30e2135b0db 182 pppos_input(int pd, u_char* data, int len)
Yann 0:f30e2135b0db 183 {
Yann 0:f30e2135b0db 184 pppInProc(&pppControl[pd].rx, data, len);
Yann 0:f30e2135b0db 185 }
Yann 0:f30e2135b0db 186 #endif
Yann 0:f30e2135b0db 187
Yann 0:f30e2135b0db 188 void PPPNetIf::poll()
Yann 0:f30e2135b0db 189 {
Yann 0:f30e2135b0db 190 if(!m_connected)
Yann 0:f30e2135b0db 191 return;
Yann 0:f30e2135b0db 192 LwipNetIf::poll();
Yann 0:f30e2135b0db 193 //static u8_t buf[128];
Yann 0:f30e2135b0db 194 int len;
Yann 0:f30e2135b0db 195 do
Yann 0:f30e2135b0db 196 {
Yann 0:f30e2135b0db 197 len = sio_tryread((sio_fd_t) m_pIf, m_buf, BUF_SIZE);
Yann 0:f30e2135b0db 198 if(len > 0)
Yann 0:f30e2135b0db 199 pppos_input(m_fd, m_buf, len);
Yann 0:f30e2135b0db 200 } while(len>0);
Yann 0:f30e2135b0db 201 }
Yann 0:f30e2135b0db 202
Yann 0:f30e2135b0db 203 //Link Callback
Yann 0:f30e2135b0db 204 void PPPNetIf::pppCallback(int errCode, void *arg)
Yann 0:f30e2135b0db 205 {
Yann 0:f30e2135b0db 206 switch ( errCode )
Yann 0:f30e2135b0db 207 {
Yann 0:f30e2135b0db 208 //No error
Yann 0:f30e2135b0db 209 case PPPERR_NONE:
Yann 0:f30e2135b0db 210 {
Yann 0:f30e2135b0db 211 struct ppp_addrs* addrs = (struct ppp_addrs*) arg;
Yann 0:f30e2135b0db 212 m_ip = IpAddr(&(addrs->our_ipaddr)); //Set IP
Yann 0:f30e2135b0db 213 }
Yann 0:f30e2135b0db 214 m_status = PPP_CONNECTED;
Yann 0:f30e2135b0db 215 break;
Yann 0:f30e2135b0db 216 default:
Yann 0:f30e2135b0db 217 //Disconnected
Yann 0:f30e2135b0db 218 DBG("PPPNetIf: Callback errCode = %d.\n", errCode);
Yann 0:f30e2135b0db 219 m_status = PPP_DISCONNECTED;
Yann 0:f30e2135b0db 220 break;
Yann 0:f30e2135b0db 221 }
Yann 0:f30e2135b0db 222 }
Yann 0:f30e2135b0db 223
Yann 0:f30e2135b0db 224 #endif