mbed official / VodafoneUSBModem

Vodafone K3770/K3772-Z modems driver & networking library

Dependencies:   Socket USBHostWANDongle lwip-sys lwip

Dependents:   VodafoneUSBModemHTTPClientTest VodafoneUSBModemNTPClientTest VodafoneUSBModemSMSTest VodafoneUSBModemUSSDTest ... more

Fork of VodafoneUSBModem_bleedingedge by Donatien Garnier

This is the driver for the Vodafone K3700 & K3772-Z Dongles:

K3770

More details and instructions can be found here.

ip/PPPIPInterface.cpp@25:6f3b97dc4295, 2012-08-29 (annotated)

Committer:
donatien
Date:
Wed Aug 29 15:49:14 2012 +0000
Revision:
25:6f3b97dc4295
Parent:
22:06fb2a93a1f6
Child:
27:37d3ac289e86
Added missing includes directives

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 8:04b6a042595f 1 /* PPPIPInterface.cpp */
donatien 22:06fb2a93a1f6 2 /* Copyright (C) 2012 mbed.org, MIT License
donatien 22:06fb2a93a1f6 3 *
donatien 22:06fb2a93a1f6 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
donatien 22:06fb2a93a1f6 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
donatien 22:06fb2a93a1f6 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
donatien 22:06fb2a93a1f6 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
donatien 22:06fb2a93a1f6 8 * furnished to do so, subject to the following conditions:
donatien 22:06fb2a93a1f6 9 *
donatien 22:06fb2a93a1f6 10 * The above copyright notice and this permission notice shall be included in all copies or
donatien 22:06fb2a93a1f6 11 * substantial portions of the Software.
donatien 22:06fb2a93a1f6 12 *
donatien 22:06fb2a93a1f6 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
donatien 22:06fb2a93a1f6 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
donatien 22:06fb2a93a1f6 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
donatien 22:06fb2a93a1f6 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 22:06fb2a93a1f6 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
donatien 22:06fb2a93a1f6 18 */
donatien 8:04b6a042595f 19
donatien 12:66dc2c8eba2d 20 #define __DEBUG__ 0 //Maximum verbosity
donatien 8:04b6a042595f 21 #ifndef __MODULE__
donatien 8:04b6a042595f 22 #define __MODULE__ "PPPIPInterface.cpp"
donatien 8:04b6a042595f 23 #endif
donatien 8:04b6a042595f 24
donatien 8:04b6a042595f 25 #include "core/fwk.h"
donatien 8:04b6a042595f 26 #include "rtos.h"
donatien 8:04b6a042595f 27
donatien 25:6f3b97dc4295 28 #include <cstdio>
donatien 25:6f3b97dc4295 29 using std::sscanf;
donatien 25:6f3b97dc4295 30
donatien 8:04b6a042595f 31 #include "PPPIPInterface.h"
donatien 8:04b6a042595f 32
donatien 18:1789a11d1892 33 #define MSISDN "*99#"
donatien 18:1789a11d1892 34
donatien 18:1789a11d1892 35 #define CONNECT_CMD "ATD " MSISDN "\x0D"
donatien 18:1789a11d1892 36 #define EXPECTED_RESP CONNECT_CMD "\x0D" "\x0A" "CONNECT" "\x0D" "\x0A"
donatien 18:1789a11d1892 37 #define EXPECTED_RESP_DATARATE CONNECT_CMD "\x0D" "\x0A" "CONNECT %d" "\x0D" "\x0A"
donatien 18:1789a11d1892 38 #define EXPECTED_RESP_MIN_LEN 20
donatien 18:1789a11d1892 39 #define OK_RESP "\x0D" "\x0A" "OK" "\x0D" "\x0A"
donatien 18:1789a11d1892 40 #define ESCAPE_SEQ "+++"
donatien 18:1789a11d1892 41 #define HANGUP_CMD "ATH" "\x0D"
donatien 18:1789a11d1892 42 #define NO_CARRIER_RESP "\x0D" "\x0A" "NO CARRIER" "\x0D" "\x0A"
donatien 8:04b6a042595f 43 extern "C" {
donatien 8:04b6a042595f 44 #include "lwip/ip_addr.h"
donatien 8:04b6a042595f 45 #include "lwip/inet.h"
donatien 8:04b6a042595f 46 #include "netif/ppp/ppp.h"
donatien 8:04b6a042595f 47 }
donatien 8:04b6a042595f 48
donatien 8:04b6a042595f 49 PPPIPInterface::PPPIPInterface(IOStream* pStream) : LwIPInterface(), m_linkStatusSphre(1), m_pppErrCode(0), m_pStream(pStream), m_streamAvail(true), m_pppd(-1)
donatien 8:04b6a042595f 50 {
donatien 8:04b6a042595f 51 m_linkStatusSphre.wait();
donatien 8:04b6a042595f 52 }
donatien 8:04b6a042595f 53
donatien 8:04b6a042595f 54 /*virtual*/ PPPIPInterface::~PPPIPInterface()
donatien 8:04b6a042595f 55 {
donatien 8:04b6a042595f 56
donatien 8:04b6a042595f 57 }
donatien 8:04b6a042595f 58
donatien 8:04b6a042595f 59 /*virtual*/ int PPPIPInterface::init() //Init PPP-specific stuff, create the right bindings, etc
donatien 8:04b6a042595f 60 {
donatien 8:04b6a042595f 61 DBG("Initializing LwIP");
donatien 8:04b6a042595f 62 LwIPInterface::init(); //Init LwIP, NOT including PPP
donatien 8:04b6a042595f 63 DBG("Initializing PPP");
donatien 8:04b6a042595f 64 pppInit();
donatien 8:04b6a042595f 65 DBG("Done");
donatien 8:04b6a042595f 66 return OK;
donatien 8:04b6a042595f 67 }
donatien 8:04b6a042595f 68
donatien 8:04b6a042595f 69 int PPPIPInterface::setup(const char* user, const char* pw)
donatien 8:04b6a042595f 70 {
donatien 8:04b6a042595f 71 DBG("Configuring PPP authentication method");
donatien 8:04b6a042595f 72 pppSetAuth(PPPAUTHTYPE_ANY, user, pw);
donatien 8:04b6a042595f 73 DBG("Done");
donatien 8:04b6a042595f 74 return OK;
donatien 8:04b6a042595f 75 }
donatien 8:04b6a042595f 76
donatien 12:66dc2c8eba2d 77 /*virtual*/ int PPPIPInterface::connect()
donatien 8:04b6a042595f 78 {
donatien 9:3f077dde13c9 79 int ret;
donatien 9:3f077dde13c9 80 char buf[32];
donatien 9:3f077dde13c9 81 size_t len;
donatien 8:04b6a042595f 82 DBG("Trying to connect with PPP");
donatien 9:3f077dde13c9 83
donatien 18:1789a11d1892 84 cleanupLink();
donatien 9:3f077dde13c9 85
donatien 12:66dc2c8eba2d 86 DBG("Sending %s", CONNECT_CMD);
donatien 9:3f077dde13c9 87
donatien 12:66dc2c8eba2d 88 ret = m_pStream->write((uint8_t*)CONNECT_CMD, strlen(CONNECT_CMD), osWaitForever);
donatien 9:3f077dde13c9 89 if( ret != OK )
donatien 9:3f077dde13c9 90 {
donatien 9:3f077dde13c9 91 return NET_UNKNOWN;
donatien 9:3f077dde13c9 92 }
donatien 9:3f077dde13c9 93
donatien 18:1789a11d1892 94 DBG("Expect %s", EXPECTED_RESP);
donatien 12:66dc2c8eba2d 95
donatien 12:66dc2c8eba2d 96 len = 0;
donatien 18:1789a11d1892 97 size_t readLen;
donatien 18:1789a11d1892 98 ret = m_pStream->read((uint8_t*)buf + len, &readLen, EXPECTED_RESP_MIN_LEN, 10000);
donatien 18:1789a11d1892 99 if( ret != OK )
donatien 9:3f077dde13c9 100 {
donatien 18:1789a11d1892 101 return NET_UNKNOWN;
donatien 18:1789a11d1892 102 }
donatien 18:1789a11d1892 103 len += readLen;
donatien 18:1789a11d1892 104 while( (len < EXPECTED_RESP_MIN_LEN) || (buf[len-1] != LF) )
donatien 18:1789a11d1892 105 {
donatien 18:1789a11d1892 106 ret = m_pStream->read((uint8_t*)buf + len, &readLen, 1, 10000);
donatien 12:66dc2c8eba2d 107 if( ret != OK )
donatien 12:66dc2c8eba2d 108 {
donatien 18:1789a11d1892 109 return NET_UNKNOWN;
donatien 12:66dc2c8eba2d 110 }
donatien 12:66dc2c8eba2d 111 len += readLen;
donatien 9:3f077dde13c9 112 }
donatien 9:3f077dde13c9 113
donatien 12:66dc2c8eba2d 114 buf[len]=0;
donatien 12:66dc2c8eba2d 115
donatien 12:66dc2c8eba2d 116 DBG("Got %s[len %d]", buf, len);
donatien 12:66dc2c8eba2d 117
donatien 18:1789a11d1892 118 int datarate = 0;
donatien 18:1789a11d1892 119 if( (sscanf( buf, EXPECTED_RESP_DATARATE, &datarate ) != 1) && (strcmp(EXPECTED_RESP, buf) != 0) )
donatien 9:3f077dde13c9 120 {
donatien 9:3f077dde13c9 121 //Discard buffer
donatien 9:3f077dde13c9 122 do //Clear buf
donatien 9:3f077dde13c9 123 {
donatien 12:66dc2c8eba2d 124 ret = m_pStream->read((uint8_t*)buf, &len, 32, 0);
donatien 9:3f077dde13c9 125 } while( (ret == OK) && (len > 0) );
donatien 9:3f077dde13c9 126 return NET_CONN;
donatien 9:3f077dde13c9 127 }
donatien 9:3f077dde13c9 128
donatien 9:3f077dde13c9 129 DBG("Transport link open");
donatien 18:1789a11d1892 130 if(datarate != 0)
donatien 18:1789a11d1892 131 {
donatien 18:1789a11d1892 132 DBG("Datarate: %d bps", datarate);
donatien 18:1789a11d1892 133 }
donatien 8:04b6a042595f 134 m_linkStatusSphre.wait(0);
donatien 8:04b6a042595f 135 if((m_pppd != -1) && (m_pppErrCode == 0)) //Already connected
donatien 8:04b6a042595f 136 {
donatien 8:04b6a042595f 137 return NET_INVALID;
donatien 8:04b6a042595f 138 }
donatien 12:66dc2c8eba2d 139
donatien 12:66dc2c8eba2d 140 ret = pppOverSerialOpen(this, PPPIPInterface::linkStatusCb, this);
donatien 8:04b6a042595f 141 if(ret < 0)
donatien 8:04b6a042595f 142 {
donatien 8:04b6a042595f 143 switch(ret)
donatien 8:04b6a042595f 144 {
donatien 8:04b6a042595f 145 case PPPERR_OPEN:
donatien 8:04b6a042595f 146 default:
donatien 8:04b6a042595f 147 return NET_FULL; //All available resources are already used
donatien 8:04b6a042595f 148 }
donatien 8:04b6a042595f 149 }
donatien 8:04b6a042595f 150 m_pppd = ret; //PPP descriptor
donatien 8:04b6a042595f 151 m_linkStatusSphre.wait(); //Block indefinitely; there should be a timeout there
donatien 8:04b6a042595f 152 if(m_pppErrCode != PPPERR_NONE)
donatien 8:04b6a042595f 153 {
donatien 8:04b6a042595f 154 m_pppd = -1;
donatien 8:04b6a042595f 155 }
donatien 8:04b6a042595f 156 switch(m_pppErrCode)
donatien 8:04b6a042595f 157 {
donatien 8:04b6a042595f 158 case PPPERR_NONE: //Connected OK
donatien 8:04b6a042595f 159 return OK;
donatien 8:04b6a042595f 160 case PPPERR_CONNECT: //Connection lost
donatien 8:04b6a042595f 161 return NET_INTERRUPTED;
donatien 8:04b6a042595f 162 case PPPERR_AUTHFAIL: //Authentication failed
donatien 8:04b6a042595f 163 return NET_AUTH;
donatien 8:04b6a042595f 164 case PPPERR_PROTOCOL: //Protocol error
donatien 8:04b6a042595f 165 return NET_PROTOCOL;
donatien 8:04b6a042595f 166 default:
donatien 8:04b6a042595f 167 return NET_UNKNOWN;
donatien 8:04b6a042595f 168 }
donatien 8:04b6a042595f 169 }
donatien 8:04b6a042595f 170
donatien 8:04b6a042595f 171 /*virtual*/ int PPPIPInterface::disconnect()
donatien 8:04b6a042595f 172 {
donatien 8:04b6a042595f 173 int ret = m_linkStatusSphre.wait(0);
donatien 8:04b6a042595f 174 if(ret > 0) //Already disconnected?
donatien 8:04b6a042595f 175 {
donatien 8:04b6a042595f 176 m_pppd = -1; //Discard PPP descriptor
donatien 8:04b6a042595f 177 switch(m_pppErrCode)
donatien 8:04b6a042595f 178 {
donatien 8:04b6a042595f 179 case PPPERR_CONNECT: //Connection terminated
donatien 8:04b6a042595f 180 case PPPERR_AUTHFAIL: //Authentication failed
donatien 8:04b6a042595f 181 case PPPERR_PROTOCOL: //Protocol error
donatien 8:04b6a042595f 182 case PPPERR_USER:
donatien 8:04b6a042595f 183 return OK;
donatien 8:04b6a042595f 184 default:
donatien 8:04b6a042595f 185 return NET_UNKNOWN;
donatien 8:04b6a042595f 186 }
donatien 8:04b6a042595f 187 }
donatien 8:04b6a042595f 188 else
donatien 8:04b6a042595f 189 {
donatien 8:04b6a042595f 190 if(m_pppd == -1)
donatien 8:04b6a042595f 191 {
donatien 8:04b6a042595f 192 return NET_INVALID;
donatien 8:04b6a042595f 193 }
donatien 8:04b6a042595f 194 pppClose(m_pppd);
donatien 8:04b6a042595f 195 do
donatien 8:04b6a042595f 196 {
donatien 8:04b6a042595f 197 m_linkStatusSphre.wait(); //Block indefinitely; there should be a timeout there
donatien 8:04b6a042595f 198 DBG("Received PPP err code %d", m_pppErrCode);
donatien 8:04b6a042595f 199 } while(m_pppErrCode != PPPERR_USER);
donatien 8:04b6a042595f 200 m_pppd = -1; //Discard PPP descriptor
donatien 8:04b6a042595f 201 }
donatien 18:1789a11d1892 202
donatien 18:1789a11d1892 203 DBG("Sending %s", ESCAPE_SEQ);
donatien 18:1789a11d1892 204
donatien 18:1789a11d1892 205 ret = m_pStream->write((uint8_t*)ESCAPE_SEQ, strlen(ESCAPE_SEQ), osWaitForever);
donatien 18:1789a11d1892 206 if( ret != OK )
donatien 18:1789a11d1892 207 {
donatien 18:1789a11d1892 208 return NET_UNKNOWN;
donatien 18:1789a11d1892 209 }
donatien 18:1789a11d1892 210
donatien 18:1789a11d1892 211 cleanupLink();
donatien 18:1789a11d1892 212
donatien 18:1789a11d1892 213 return OK;
donatien 18:1789a11d1892 214 }
donatien 18:1789a11d1892 215
donatien 18:1789a11d1892 216
donatien 18:1789a11d1892 217 int PPPIPInterface::cleanupLink()
donatien 18:1789a11d1892 218 {
donatien 18:1789a11d1892 219 int ret;
donatien 18:1789a11d1892 220 char buf[32];
donatien 18:1789a11d1892 221 size_t len;
donatien 18:1789a11d1892 222
donatien 18:1789a11d1892 223 do //Clear buf
donatien 18:1789a11d1892 224 {
donatien 18:1789a11d1892 225 ret = m_pStream->read((uint8_t*)buf, &len, 32, 100);
donatien 18:1789a11d1892 226 if(ret == OK)
donatien 18:1789a11d1892 227 {
donatien 18:1789a11d1892 228 buf[len] = '\0';
donatien 18:1789a11d1892 229 DBG("Got %s", buf);
donatien 18:1789a11d1892 230 }
donatien 18:1789a11d1892 231 } while( (ret == OK) && (len > 0) );
donatien 18:1789a11d1892 232
donatien 18:1789a11d1892 233 DBG("Sending %s", HANGUP_CMD);
donatien 18:1789a11d1892 234
donatien 18:1789a11d1892 235 ret = m_pStream->write((uint8_t*)HANGUP_CMD, strlen(HANGUP_CMD), osWaitForever);
donatien 18:1789a11d1892 236 if( ret != OK )
donatien 18:1789a11d1892 237 {
donatien 18:1789a11d1892 238 return NET_UNKNOWN;
donatien 18:1789a11d1892 239 }
donatien 18:1789a11d1892 240
donatien 18:1789a11d1892 241 size_t readLen;
donatien 18:1789a11d1892 242
donatien 18:1789a11d1892 243 //Hangup
donatien 18:1789a11d1892 244 DBG("Expect %s", HANGUP_CMD);
donatien 18:1789a11d1892 245
donatien 18:1789a11d1892 246 len = 0;
donatien 18:1789a11d1892 247 while( len < strlen(HANGUP_CMD) )
donatien 18:1789a11d1892 248 {
donatien 18:1789a11d1892 249 ret = m_pStream->read((uint8_t*)buf + len, &readLen, strlen(HANGUP_CMD) - len, 100);
donatien 18:1789a11d1892 250 if( ret != OK )
donatien 18:1789a11d1892 251 {
donatien 18:1789a11d1892 252 break;
donatien 18:1789a11d1892 253 }
donatien 18:1789a11d1892 254 len += readLen;
donatien 18:1789a11d1892 255 /////
donatien 18:1789a11d1892 256 buf[len]=0;
donatien 18:1789a11d1892 257 DBG("Got %s", buf);
donatien 18:1789a11d1892 258 }
donatien 18:1789a11d1892 259
donatien 18:1789a11d1892 260 buf[len]=0;
donatien 18:1789a11d1892 261
donatien 18:1789a11d1892 262 DBG("Got %s[len %d]", buf, len);
donatien 18:1789a11d1892 263
donatien 18:1789a11d1892 264 //OK response
donatien 18:1789a11d1892 265 DBG("Expect %s", OK_RESP);
donatien 18:1789a11d1892 266
donatien 18:1789a11d1892 267 len = 0;
donatien 18:1789a11d1892 268 while( len < strlen(OK_RESP) )
donatien 18:1789a11d1892 269 {
donatien 18:1789a11d1892 270 ret = m_pStream->read((uint8_t*)buf + len, &readLen, strlen(OK_RESP) - len, 100);
donatien 18:1789a11d1892 271 if( ret != OK )
donatien 18:1789a11d1892 272 {
donatien 18:1789a11d1892 273 break;
donatien 18:1789a11d1892 274 }
donatien 18:1789a11d1892 275 len += readLen;
donatien 18:1789a11d1892 276 /////
donatien 18:1789a11d1892 277 buf[len]=0;
donatien 18:1789a11d1892 278 DBG("Got %s", buf);
donatien 18:1789a11d1892 279 }
donatien 18:1789a11d1892 280
donatien 18:1789a11d1892 281 buf[len]=0;
donatien 18:1789a11d1892 282
donatien 18:1789a11d1892 283 DBG("Got %s[len %d]", buf, len);
donatien 18:1789a11d1892 284
donatien 18:1789a11d1892 285 //NO CARRIER event
donatien 18:1789a11d1892 286 DBG("Expect %s", NO_CARRIER_RESP);
donatien 18:1789a11d1892 287
donatien 18:1789a11d1892 288 len = 0;
donatien 18:1789a11d1892 289 while( len < strlen(NO_CARRIER_RESP) )
donatien 18:1789a11d1892 290 {
donatien 18:1789a11d1892 291 ret = m_pStream->read((uint8_t*)buf + len, &readLen, strlen(NO_CARRIER_RESP) - len, 100);
donatien 18:1789a11d1892 292 if( ret != OK )
donatien 18:1789a11d1892 293 {
donatien 18:1789a11d1892 294 break;
donatien 18:1789a11d1892 295 }
donatien 18:1789a11d1892 296 len += readLen;
donatien 18:1789a11d1892 297 /////
donatien 18:1789a11d1892 298 buf[len]=0;
donatien 18:1789a11d1892 299 DBG("Got %s", buf);
donatien 18:1789a11d1892 300 }
donatien 18:1789a11d1892 301
donatien 18:1789a11d1892 302 buf[len]=0;
donatien 18:1789a11d1892 303
donatien 18:1789a11d1892 304 DBG("Got %s[len %d]", buf, len);
donatien 18:1789a11d1892 305
donatien 18:1789a11d1892 306 do //Clear buf
donatien 18:1789a11d1892 307 {
donatien 18:1789a11d1892 308 ret = m_pStream->read((uint8_t*)buf, &len, 32, 100);
donatien 18:1789a11d1892 309 if(ret == OK)
donatien 18:1789a11d1892 310 {
donatien 18:1789a11d1892 311 buf[len] = '\0';
donatien 18:1789a11d1892 312 DBG("Got %s", buf);
donatien 18:1789a11d1892 313 }
donatien 18:1789a11d1892 314 } while( (ret == OK) && (len > 0) );
donatien 18:1789a11d1892 315
donatien 18:1789a11d1892 316
donatien 8:04b6a042595f 317 return OK;
donatien 8:04b6a042595f 318 }
donatien 8:04b6a042595f 319
donatien 8:04b6a042595f 320 /*static*/ void PPPIPInterface::linkStatusCb(void *ctx, int errCode, void *arg) //PPP link status
donatien 8:04b6a042595f 321 {
donatien 8:04b6a042595f 322 PPPIPInterface* pIf = (PPPIPInterface*)ctx;
donatien 8:04b6a042595f 323 struct ppp_addrs* addrs = (struct ppp_addrs*) arg;
donatien 8:04b6a042595f 324
donatien 8:04b6a042595f 325 switch(errCode)
donatien 8:04b6a042595f 326 {
donatien 8:04b6a042595f 327 case PPPERR_NONE:
donatien 8:04b6a042595f 328 WARN("Connected via PPP.");
donatien 8:04b6a042595f 329 DBG("Local IP address: %s", inet_ntoa(addrs->our_ipaddr));
donatien 8:04b6a042595f 330 DBG("Netmask: %s", inet_ntoa(addrs->netmask));
donatien 8:04b6a042595f 331 DBG("Remote IP address: %s", inet_ntoa(addrs->his_ipaddr));
donatien 8:04b6a042595f 332 DBG("Primary DNS: %s", inet_ntoa(addrs->dns1));
donatien 8:04b6a042595f 333 DBG("Secondary DNS: %s", inet_ntoa(addrs->dns2));
donatien 10:21a6f09d5631 334 pIf->setConnected(true);
donatien 10:21a6f09d5631 335 pIf->setIPAddress(inet_ntoa(addrs->our_ipaddr));
donatien 8:04b6a042595f 336 break;
donatien 8:04b6a042595f 337 case PPPERR_CONNECT: //Connection lost
donatien 8:04b6a042595f 338 WARN("Connection lost/terminated");
donatien 10:21a6f09d5631 339 pIf->setConnected(false);
donatien 8:04b6a042595f 340 break;
donatien 8:04b6a042595f 341 case PPPERR_AUTHFAIL: //Authentication failed
donatien 8:04b6a042595f 342 WARN("Authentication failed");
donatien 10:21a6f09d5631 343 pIf->setConnected(false);
donatien 8:04b6a042595f 344 break;
donatien 8:04b6a042595f 345 case PPPERR_PROTOCOL: //Protocol error
donatien 8:04b6a042595f 346 WARN("Protocol error");
donatien 10:21a6f09d5631 347 pIf->setConnected(false);
donatien 8:04b6a042595f 348 break;
donatien 8:04b6a042595f 349 case PPPERR_USER:
donatien 8:04b6a042595f 350 WARN("Disconnected by user");
donatien 10:21a6f09d5631 351 pIf->setConnected(false);
donatien 8:04b6a042595f 352 break;
donatien 8:04b6a042595f 353 default:
donatien 8:04b6a042595f 354 WARN("Unknown error (%d)", errCode);
donatien 10:21a6f09d5631 355 pIf->setConnected(false);
donatien 8:04b6a042595f 356 break;
donatien 8:04b6a042595f 357 }
donatien 8:04b6a042595f 358
donatien 8:04b6a042595f 359 pIf->m_linkStatusSphre.wait(0); //If previous event has not been handled, "delete" it now
donatien 8:04b6a042595f 360 pIf->m_pppErrCode = errCode;
donatien 8:04b6a042595f 361 pIf->m_linkStatusSphre.release();
donatien 8:04b6a042595f 362 }
donatien 8:04b6a042595f 363
donatien 8:04b6a042595f 364 //LwIP PPP implementation
donatien 8:04b6a042595f 365 extern "C"
donatien 8:04b6a042595f 366 {
donatien 8:04b6a042595f 367
donatien 8:04b6a042595f 368 /**
donatien 8:04b6a042595f 369 * Writes to the serial device.
donatien 8:04b6a042595f 370 *
donatien 8:04b6a042595f 371 * @param fd serial device handle
donatien 8:04b6a042595f 372 * @param data pointer to data to send
donatien 8:04b6a042595f 373 * @param len length (in bytes) of data to send
donatien 8:04b6a042595f 374 * @return number of bytes actually sent
donatien 8:04b6a042595f 375 *
donatien 8:04b6a042595f 376 * @note This function will block until all data can be sent.
donatien 8:04b6a042595f 377 */
donatien 8:04b6a042595f 378 u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len)
donatien 8:04b6a042595f 379 {
donatien 8:04b6a042595f 380 DBG("sio_write");
donatien 8:04b6a042595f 381 PPPIPInterface* pIf = (PPPIPInterface*)fd;
donatien 8:04b6a042595f 382 int ret;
donatien 8:04b6a042595f 383 if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further
donatien 8:04b6a042595f 384 {
donatien 8:04b6a042595f 385 return 0;
donatien 8:04b6a042595f 386 }
donatien 8:04b6a042595f 387 ret = pIf->m_pStream->write(data, len, osWaitForever); //Blocks until all data is sent or an error happens
donatien 8:04b6a042595f 388 if(ret != OK)
donatien 8:04b6a042595f 389 {
donatien 8:04b6a042595f 390 return 0;
donatien 8:04b6a042595f 391 }
donatien 8:04b6a042595f 392 return len;
donatien 8:04b6a042595f 393 }
donatien 8:04b6a042595f 394
donatien 8:04b6a042595f 395 /**
donatien 8:04b6a042595f 396 * Reads from the serial device.
donatien 8:04b6a042595f 397 *
donatien 8:04b6a042595f 398 * @param fd serial device handle
donatien 8:04b6a042595f 399 * @param data pointer to data buffer for receiving
donatien 8:04b6a042595f 400 * @param len maximum length (in bytes) of data to receive
donatien 8:04b6a042595f 401 * @return number of bytes actually received - may be 0 if aborted by sio_read_abort
donatien 8:04b6a042595f 402 *
donatien 8:04b6a042595f 403 * @note This function will block until data can be received. The blocking
donatien 8:04b6a042595f 404 * can be cancelled by calling sio_read_abort().
donatien 8:04b6a042595f 405 */
donatien 8:04b6a042595f 406 u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len)
donatien 8:04b6a042595f 407 {
donatien 8:04b6a042595f 408 DBG("sio_read");
donatien 8:04b6a042595f 409 PPPIPInterface* pIf = (PPPIPInterface*)fd;
donatien 8:04b6a042595f 410 int ret;
donatien 8:04b6a042595f 411 size_t readLen;
donatien 8:04b6a042595f 412 if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further
donatien 8:04b6a042595f 413 {
donatien 8:04b6a042595f 414 WARN("EXIT NOT AVAIL");
donatien 8:04b6a042595f 415 return 0;
donatien 8:04b6a042595f 416 }
donatien 8:04b6a042595f 417 ret = pIf->m_pStream->read(data, &readLen, len, osWaitForever); //Blocks until some data is received or an error happens
donatien 8:04b6a042595f 418 if(ret != OK)
donatien 8:04b6a042595f 419 {
donatien 8:04b6a042595f 420 return 0;
donatien 8:04b6a042595f 421 }
donatien 8:04b6a042595f 422 DBG("ret");
donatien 8:04b6a042595f 423 return readLen;
donatien 8:04b6a042595f 424 }
donatien 8:04b6a042595f 425
donatien 8:04b6a042595f 426 /**
donatien 8:04b6a042595f 427 * Aborts a blocking sio_read() call.
donatien 8:04b6a042595f 428 *
donatien 8:04b6a042595f 429 * @param fd serial device handle
donatien 8:04b6a042595f 430 */
donatien 8:04b6a042595f 431 void sio_read_abort(sio_fd_t fd)
donatien 8:04b6a042595f 432 {
donatien 8:04b6a042595f 433 DBG("sio_read_abort");
donatien 8:04b6a042595f 434 PPPIPInterface* pIf = (PPPIPInterface*)fd;
donatien 8:04b6a042595f 435 if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further
donatien 8:04b6a042595f 436 {
donatien 8:04b6a042595f 437 return;
donatien 8:04b6a042595f 438 }
donatien 8:04b6a042595f 439 pIf->m_pStream->abortRead();
donatien 8:04b6a042595f 440 DBG("ret");
donatien 8:04b6a042595f 441 }
donatien 8:04b6a042595f 442
donatien 8:04b6a042595f 443 }
donatien 8:04b6a042595f 444