Dmitry Pakhomenko / VodafoneUSBModem

Changes to support Vodafone K4606

Dependencies:   Socket USBHostWANDongle lwip-sys lwip

Fork of VodafoneUSBModem by mbed official

ip/PPPIPInterface.cpp@18:1789a11d1892, 2012-07-30 (annotated)

Committer:
donatien
Date:
Mon Jul 30 13:51:51 2012 +0000
Revision:
18:1789a11d1892
Parent:
12:66dc2c8eba2d
Child:
22:06fb2a93a1f6
Vodafone K3772-Z support!

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 8:04b6a042595f 1 /* PPPIPInterface.cpp */
donatien 8:04b6a042595f 2 /*
donatien 8:04b6a042595f 3 Copyright (C) 2012 ARM Limited.
donatien 8:04b6a042595f 4
donatien 8:04b6a042595f 5 Permission is hereby granted, free of charge, to any person obtaining a copy of
donatien 8:04b6a042595f 6 this software and associated documentation files (the "Software"), to deal in
donatien 8:04b6a042595f 7 the Software without restriction, including without limitation the rights to
donatien 8:04b6a042595f 8 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
donatien 8:04b6a042595f 9 of the Software, and to permit persons to whom the Software is furnished to do
donatien 8:04b6a042595f 10 so, subject to the following conditions:
donatien 8:04b6a042595f 11
donatien 8:04b6a042595f 12 The above copyright notice and this permission notice shall be included in all
donatien 8:04b6a042595f 13 copies or substantial portions of the Software.
donatien 8:04b6a042595f 14
donatien 8:04b6a042595f 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
donatien 8:04b6a042595f 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
donatien 8:04b6a042595f 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
donatien 8:04b6a042595f 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
donatien 8:04b6a042595f 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 8:04b6a042595f 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
donatien 8:04b6a042595f 21 SOFTWARE.
donatien 8:04b6a042595f 22 */
donatien 8:04b6a042595f 23
donatien 12:66dc2c8eba2d 24 #define __DEBUG__ 0 //Maximum verbosity
donatien 8:04b6a042595f 25 #ifndef __MODULE__
donatien 8:04b6a042595f 26 #define __MODULE__ "PPPIPInterface.cpp"
donatien 8:04b6a042595f 27 #endif
donatien 8:04b6a042595f 28
donatien 8:04b6a042595f 29 #include "core/fwk.h"
donatien 8:04b6a042595f 30 #include "rtos.h"
donatien 8:04b6a042595f 31
donatien 8:04b6a042595f 32 #include "PPPIPInterface.h"
donatien 8:04b6a042595f 33
donatien 18:1789a11d1892 34 #define MSISDN "*99#"
donatien 18:1789a11d1892 35
donatien 18:1789a11d1892 36 #define CONNECT_CMD "ATD " MSISDN "\x0D"
donatien 18:1789a11d1892 37 #define EXPECTED_RESP CONNECT_CMD "\x0D" "\x0A" "CONNECT" "\x0D" "\x0A"
donatien 18:1789a11d1892 38 #define EXPECTED_RESP_DATARATE CONNECT_CMD "\x0D" "\x0A" "CONNECT %d" "\x0D" "\x0A"
donatien 18:1789a11d1892 39 #define EXPECTED_RESP_MIN_LEN 20
donatien 18:1789a11d1892 40 #define OK_RESP "\x0D" "\x0A" "OK" "\x0D" "\x0A"
donatien 18:1789a11d1892 41 #define ESCAPE_SEQ "+++"
donatien 18:1789a11d1892 42 #define HANGUP_CMD "ATH" "\x0D"
donatien 18:1789a11d1892 43 #define NO_CARRIER_RESP "\x0D" "\x0A" "NO CARRIER" "\x0D" "\x0A"
donatien 8:04b6a042595f 44 extern "C" {
donatien 8:04b6a042595f 45 #include "lwip/ip_addr.h"
donatien 8:04b6a042595f 46 #include "lwip/inet.h"
donatien 8:04b6a042595f 47 #include "netif/ppp/ppp.h"
donatien 8:04b6a042595f 48 }
donatien 8:04b6a042595f 49
donatien 8:04b6a042595f 50 PPPIPInterface::PPPIPInterface(IOStream* pStream) : LwIPInterface(), m_linkStatusSphre(1), m_pppErrCode(0), m_pStream(pStream), m_streamAvail(true), m_pppd(-1)
donatien 8:04b6a042595f 51 {
donatien 8:04b6a042595f 52 m_linkStatusSphre.wait();
donatien 8:04b6a042595f 53 }
donatien 8:04b6a042595f 54
donatien 8:04b6a042595f 55 /*virtual*/ PPPIPInterface::~PPPIPInterface()
donatien 8:04b6a042595f 56 {
donatien 8:04b6a042595f 57
donatien 8:04b6a042595f 58 }
donatien 8:04b6a042595f 59
donatien 8:04b6a042595f 60 /*virtual*/ int PPPIPInterface::init() //Init PPP-specific stuff, create the right bindings, etc
donatien 8:04b6a042595f 61 {
donatien 8:04b6a042595f 62 DBG("Initializing LwIP");
donatien 8:04b6a042595f 63 LwIPInterface::init(); //Init LwIP, NOT including PPP
donatien 8:04b6a042595f 64 DBG("Initializing PPP");
donatien 8:04b6a042595f 65 pppInit();
donatien 8:04b6a042595f 66 DBG("Done");
donatien 8:04b6a042595f 67 return OK;
donatien 8:04b6a042595f 68 }
donatien 8:04b6a042595f 69
donatien 8:04b6a042595f 70 int PPPIPInterface::setup(const char* user, const char* pw)
donatien 8:04b6a042595f 71 {
donatien 8:04b6a042595f 72 DBG("Configuring PPP authentication method");
donatien 8:04b6a042595f 73 pppSetAuth(PPPAUTHTYPE_ANY, user, pw);
donatien 8:04b6a042595f 74 DBG("Done");
donatien 8:04b6a042595f 75 return OK;
donatien 8:04b6a042595f 76 }
donatien 8:04b6a042595f 77
donatien 12:66dc2c8eba2d 78 /*virtual*/ int PPPIPInterface::connect()
donatien 8:04b6a042595f 79 {
donatien 9:3f077dde13c9 80 int ret;
donatien 9:3f077dde13c9 81 char buf[32];
donatien 9:3f077dde13c9 82 size_t len;
donatien 8:04b6a042595f 83 DBG("Trying to connect with PPP");
donatien 9:3f077dde13c9 84
donatien 18:1789a11d1892 85 cleanupLink();
donatien 9:3f077dde13c9 86
donatien 12:66dc2c8eba2d 87 DBG("Sending %s", CONNECT_CMD);
donatien 9:3f077dde13c9 88
donatien 12:66dc2c8eba2d 89 ret = m_pStream->write((uint8_t*)CONNECT_CMD, strlen(CONNECT_CMD), osWaitForever);
donatien 9:3f077dde13c9 90 if( ret != OK )
donatien 9:3f077dde13c9 91 {
donatien 9:3f077dde13c9 92 return NET_UNKNOWN;
donatien 9:3f077dde13c9 93 }
donatien 9:3f077dde13c9 94
donatien 18:1789a11d1892 95 DBG("Expect %s", EXPECTED_RESP);
donatien 12:66dc2c8eba2d 96
donatien 12:66dc2c8eba2d 97 len = 0;
donatien 18:1789a11d1892 98 size_t readLen;
donatien 18:1789a11d1892 99 ret = m_pStream->read((uint8_t*)buf + len, &readLen, EXPECTED_RESP_MIN_LEN, 10000);
donatien 18:1789a11d1892 100 if( ret != OK )
donatien 9:3f077dde13c9 101 {
donatien 18:1789a11d1892 102 return NET_UNKNOWN;
donatien 18:1789a11d1892 103 }
donatien 18:1789a11d1892 104 len += readLen;
donatien 18:1789a11d1892 105 while( (len < EXPECTED_RESP_MIN_LEN) || (buf[len-1] != LF) )
donatien 18:1789a11d1892 106 {
donatien 18:1789a11d1892 107 ret = m_pStream->read((uint8_t*)buf + len, &readLen, 1, 10000);
donatien 12:66dc2c8eba2d 108 if( ret != OK )
donatien 12:66dc2c8eba2d 109 {
donatien 18:1789a11d1892 110 return NET_UNKNOWN;
donatien 12:66dc2c8eba2d 111 }
donatien 12:66dc2c8eba2d 112 len += readLen;
donatien 9:3f077dde13c9 113 }
donatien 9:3f077dde13c9 114
donatien 12:66dc2c8eba2d 115 buf[len]=0;
donatien 12:66dc2c8eba2d 116
donatien 12:66dc2c8eba2d 117 DBG("Got %s[len %d]", buf, len);
donatien 12:66dc2c8eba2d 118
donatien 18:1789a11d1892 119 int datarate = 0;
donatien 18:1789a11d1892 120 if( (sscanf( buf, EXPECTED_RESP_DATARATE, &datarate ) != 1) && (strcmp(EXPECTED_RESP, buf) != 0) )
donatien 9:3f077dde13c9 121 {
donatien 9:3f077dde13c9 122 //Discard buffer
donatien 9:3f077dde13c9 123 do //Clear buf
donatien 9:3f077dde13c9 124 {
donatien 12:66dc2c8eba2d 125 ret = m_pStream->read((uint8_t*)buf, &len, 32, 0);
donatien 9:3f077dde13c9 126 } while( (ret == OK) && (len > 0) );
donatien 9:3f077dde13c9 127 return NET_CONN;
donatien 9:3f077dde13c9 128 }
donatien 9:3f077dde13c9 129
donatien 9:3f077dde13c9 130 DBG("Transport link open");
donatien 18:1789a11d1892 131 if(datarate != 0)
donatien 18:1789a11d1892 132 {
donatien 18:1789a11d1892 133 DBG("Datarate: %d bps", datarate);
donatien 18:1789a11d1892 134 }
donatien 8:04b6a042595f 135 m_linkStatusSphre.wait(0);
donatien 8:04b6a042595f 136 if((m_pppd != -1) && (m_pppErrCode == 0)) //Already connected
donatien 8:04b6a042595f 137 {
donatien 8:04b6a042595f 138 return NET_INVALID;
donatien 8:04b6a042595f 139 }
donatien 12:66dc2c8eba2d 140
donatien 12:66dc2c8eba2d 141 ret = pppOverSerialOpen(this, PPPIPInterface::linkStatusCb, this);
donatien 8:04b6a042595f 142 if(ret < 0)
donatien 8:04b6a042595f 143 {
donatien 8:04b6a042595f 144 switch(ret)
donatien 8:04b6a042595f 145 {
donatien 8:04b6a042595f 146 case PPPERR_OPEN:
donatien 8:04b6a042595f 147 default:
donatien 8:04b6a042595f 148 return NET_FULL; //All available resources are already used
donatien 8:04b6a042595f 149 }
donatien 8:04b6a042595f 150 }
donatien 8:04b6a042595f 151 m_pppd = ret; //PPP descriptor
donatien 8:04b6a042595f 152 m_linkStatusSphre.wait(); //Block indefinitely; there should be a timeout there
donatien 8:04b6a042595f 153 if(m_pppErrCode != PPPERR_NONE)
donatien 8:04b6a042595f 154 {
donatien 8:04b6a042595f 155 m_pppd = -1;
donatien 8:04b6a042595f 156 }
donatien 8:04b6a042595f 157 switch(m_pppErrCode)
donatien 8:04b6a042595f 158 {
donatien 8:04b6a042595f 159 case PPPERR_NONE: //Connected OK
donatien 8:04b6a042595f 160 return OK;
donatien 8:04b6a042595f 161 case PPPERR_CONNECT: //Connection lost
donatien 8:04b6a042595f 162 return NET_INTERRUPTED;
donatien 8:04b6a042595f 163 case PPPERR_AUTHFAIL: //Authentication failed
donatien 8:04b6a042595f 164 return NET_AUTH;
donatien 8:04b6a042595f 165 case PPPERR_PROTOCOL: //Protocol error
donatien 8:04b6a042595f 166 return NET_PROTOCOL;
donatien 8:04b6a042595f 167 default:
donatien 8:04b6a042595f 168 return NET_UNKNOWN;
donatien 8:04b6a042595f 169 }
donatien 8:04b6a042595f 170 }
donatien 8:04b6a042595f 171
donatien 8:04b6a042595f 172 /*virtual*/ int PPPIPInterface::disconnect()
donatien 8:04b6a042595f 173 {
donatien 8:04b6a042595f 174 int ret = m_linkStatusSphre.wait(0);
donatien 8:04b6a042595f 175 if(ret > 0) //Already disconnected?
donatien 8:04b6a042595f 176 {
donatien 8:04b6a042595f 177 m_pppd = -1; //Discard PPP descriptor
donatien 8:04b6a042595f 178 switch(m_pppErrCode)
donatien 8:04b6a042595f 179 {
donatien 8:04b6a042595f 180 case PPPERR_CONNECT: //Connection terminated
donatien 8:04b6a042595f 181 case PPPERR_AUTHFAIL: //Authentication failed
donatien 8:04b6a042595f 182 case PPPERR_PROTOCOL: //Protocol error
donatien 8:04b6a042595f 183 case PPPERR_USER:
donatien 8:04b6a042595f 184 return OK;
donatien 8:04b6a042595f 185 default:
donatien 8:04b6a042595f 186 return NET_UNKNOWN;
donatien 8:04b6a042595f 187 }
donatien 8:04b6a042595f 188 }
donatien 8:04b6a042595f 189 else
donatien 8:04b6a042595f 190 {
donatien 8:04b6a042595f 191 if(m_pppd == -1)
donatien 8:04b6a042595f 192 {
donatien 8:04b6a042595f 193 return NET_INVALID;
donatien 8:04b6a042595f 194 }
donatien 8:04b6a042595f 195 pppClose(m_pppd);
donatien 8:04b6a042595f 196 do
donatien 8:04b6a042595f 197 {
donatien 8:04b6a042595f 198 m_linkStatusSphre.wait(); //Block indefinitely; there should be a timeout there
donatien 8:04b6a042595f 199 DBG("Received PPP err code %d", m_pppErrCode);
donatien 8:04b6a042595f 200 } while(m_pppErrCode != PPPERR_USER);
donatien 8:04b6a042595f 201 m_pppd = -1; //Discard PPP descriptor
donatien 8:04b6a042595f 202 }
donatien 18:1789a11d1892 203
donatien 18:1789a11d1892 204 DBG("Sending %s", ESCAPE_SEQ);
donatien 18:1789a11d1892 205
donatien 18:1789a11d1892 206 ret = m_pStream->write((uint8_t*)ESCAPE_SEQ, strlen(ESCAPE_SEQ), osWaitForever);
donatien 18:1789a11d1892 207 if( ret != OK )
donatien 18:1789a11d1892 208 {
donatien 18:1789a11d1892 209 return NET_UNKNOWN;
donatien 18:1789a11d1892 210 }
donatien 18:1789a11d1892 211
donatien 18:1789a11d1892 212 cleanupLink();
donatien 18:1789a11d1892 213
donatien 18:1789a11d1892 214 return OK;
donatien 18:1789a11d1892 215 }
donatien 18:1789a11d1892 216
donatien 18:1789a11d1892 217
donatien 18:1789a11d1892 218 int PPPIPInterface::cleanupLink()
donatien 18:1789a11d1892 219 {
donatien 18:1789a11d1892 220 int ret;
donatien 18:1789a11d1892 221 char buf[32];
donatien 18:1789a11d1892 222 size_t len;
donatien 18:1789a11d1892 223
donatien 18:1789a11d1892 224 do //Clear buf
donatien 18:1789a11d1892 225 {
donatien 18:1789a11d1892 226 ret = m_pStream->read((uint8_t*)buf, &len, 32, 100);
donatien 18:1789a11d1892 227 if(ret == OK)
donatien 18:1789a11d1892 228 {
donatien 18:1789a11d1892 229 buf[len] = '\0';
donatien 18:1789a11d1892 230 DBG("Got %s", buf);
donatien 18:1789a11d1892 231 }
donatien 18:1789a11d1892 232 } while( (ret == OK) && (len > 0) );
donatien 18:1789a11d1892 233
donatien 18:1789a11d1892 234 DBG("Sending %s", HANGUP_CMD);
donatien 18:1789a11d1892 235
donatien 18:1789a11d1892 236 ret = m_pStream->write((uint8_t*)HANGUP_CMD, strlen(HANGUP_CMD), osWaitForever);
donatien 18:1789a11d1892 237 if( ret != OK )
donatien 18:1789a11d1892 238 {
donatien 18:1789a11d1892 239 return NET_UNKNOWN;
donatien 18:1789a11d1892 240 }
donatien 18:1789a11d1892 241
donatien 18:1789a11d1892 242 size_t readLen;
donatien 18:1789a11d1892 243
donatien 18:1789a11d1892 244 //Hangup
donatien 18:1789a11d1892 245 DBG("Expect %s", HANGUP_CMD);
donatien 18:1789a11d1892 246
donatien 18:1789a11d1892 247 len = 0;
donatien 18:1789a11d1892 248 while( len < strlen(HANGUP_CMD) )
donatien 18:1789a11d1892 249 {
donatien 18:1789a11d1892 250 ret = m_pStream->read((uint8_t*)buf + len, &readLen, strlen(HANGUP_CMD) - len, 100);
donatien 18:1789a11d1892 251 if( ret != OK )
donatien 18:1789a11d1892 252 {
donatien 18:1789a11d1892 253 break;
donatien 18:1789a11d1892 254 }
donatien 18:1789a11d1892 255 len += readLen;
donatien 18:1789a11d1892 256 /////
donatien 18:1789a11d1892 257 buf[len]=0;
donatien 18:1789a11d1892 258 DBG("Got %s", buf);
donatien 18:1789a11d1892 259 }
donatien 18:1789a11d1892 260
donatien 18:1789a11d1892 261 buf[len]=0;
donatien 18:1789a11d1892 262
donatien 18:1789a11d1892 263 DBG("Got %s[len %d]", buf, len);
donatien 18:1789a11d1892 264
donatien 18:1789a11d1892 265 //OK response
donatien 18:1789a11d1892 266 DBG("Expect %s", OK_RESP);
donatien 18:1789a11d1892 267
donatien 18:1789a11d1892 268 len = 0;
donatien 18:1789a11d1892 269 while( len < strlen(OK_RESP) )
donatien 18:1789a11d1892 270 {
donatien 18:1789a11d1892 271 ret = m_pStream->read((uint8_t*)buf + len, &readLen, strlen(OK_RESP) - len, 100);
donatien 18:1789a11d1892 272 if( ret != OK )
donatien 18:1789a11d1892 273 {
donatien 18:1789a11d1892 274 break;
donatien 18:1789a11d1892 275 }
donatien 18:1789a11d1892 276 len += readLen;
donatien 18:1789a11d1892 277 /////
donatien 18:1789a11d1892 278 buf[len]=0;
donatien 18:1789a11d1892 279 DBG("Got %s", buf);
donatien 18:1789a11d1892 280 }
donatien 18:1789a11d1892 281
donatien 18:1789a11d1892 282 buf[len]=0;
donatien 18:1789a11d1892 283
donatien 18:1789a11d1892 284 DBG("Got %s[len %d]", buf, len);
donatien 18:1789a11d1892 285
donatien 18:1789a11d1892 286 //NO CARRIER event
donatien 18:1789a11d1892 287 DBG("Expect %s", NO_CARRIER_RESP);
donatien 18:1789a11d1892 288
donatien 18:1789a11d1892 289 len = 0;
donatien 18:1789a11d1892 290 while( len < strlen(NO_CARRIER_RESP) )
donatien 18:1789a11d1892 291 {
donatien 18:1789a11d1892 292 ret = m_pStream->read((uint8_t*)buf + len, &readLen, strlen(NO_CARRIER_RESP) - len, 100);
donatien 18:1789a11d1892 293 if( ret != OK )
donatien 18:1789a11d1892 294 {
donatien 18:1789a11d1892 295 break;
donatien 18:1789a11d1892 296 }
donatien 18:1789a11d1892 297 len += readLen;
donatien 18:1789a11d1892 298 /////
donatien 18:1789a11d1892 299 buf[len]=0;
donatien 18:1789a11d1892 300 DBG("Got %s", buf);
donatien 18:1789a11d1892 301 }
donatien 18:1789a11d1892 302
donatien 18:1789a11d1892 303 buf[len]=0;
donatien 18:1789a11d1892 304
donatien 18:1789a11d1892 305 DBG("Got %s[len %d]", buf, len);
donatien 18:1789a11d1892 306
donatien 18:1789a11d1892 307 do //Clear buf
donatien 18:1789a11d1892 308 {
donatien 18:1789a11d1892 309 ret = m_pStream->read((uint8_t*)buf, &len, 32, 100);
donatien 18:1789a11d1892 310 if(ret == OK)
donatien 18:1789a11d1892 311 {
donatien 18:1789a11d1892 312 buf[len] = '\0';
donatien 18:1789a11d1892 313 DBG("Got %s", buf);
donatien 18:1789a11d1892 314 }
donatien 18:1789a11d1892 315 } while( (ret == OK) && (len > 0) );
donatien 18:1789a11d1892 316
donatien 18:1789a11d1892 317
donatien 8:04b6a042595f 318 return OK;
donatien 8:04b6a042595f 319 }
donatien 8:04b6a042595f 320
donatien 8:04b6a042595f 321 /*static*/ void PPPIPInterface::linkStatusCb(void *ctx, int errCode, void *arg) //PPP link status
donatien 8:04b6a042595f 322 {
donatien 8:04b6a042595f 323 PPPIPInterface* pIf = (PPPIPInterface*)ctx;
donatien 8:04b6a042595f 324 struct ppp_addrs* addrs = (struct ppp_addrs*) arg;
donatien 8:04b6a042595f 325
donatien 8:04b6a042595f 326 switch(errCode)
donatien 8:04b6a042595f 327 {
donatien 8:04b6a042595f 328 case PPPERR_NONE:
donatien 8:04b6a042595f 329 WARN("Connected via PPP.");
donatien 8:04b6a042595f 330 DBG("Local IP address: %s", inet_ntoa(addrs->our_ipaddr));
donatien 8:04b6a042595f 331 DBG("Netmask: %s", inet_ntoa(addrs->netmask));
donatien 8:04b6a042595f 332 DBG("Remote IP address: %s", inet_ntoa(addrs->his_ipaddr));
donatien 8:04b6a042595f 333 DBG("Primary DNS: %s", inet_ntoa(addrs->dns1));
donatien 8:04b6a042595f 334 DBG("Secondary DNS: %s", inet_ntoa(addrs->dns2));
donatien 10:21a6f09d5631 335 pIf->setConnected(true);
donatien 10:21a6f09d5631 336 pIf->setIPAddress(inet_ntoa(addrs->our_ipaddr));
donatien 8:04b6a042595f 337 break;
donatien 8:04b6a042595f 338 case PPPERR_CONNECT: //Connection lost
donatien 8:04b6a042595f 339 WARN("Connection lost/terminated");
donatien 10:21a6f09d5631 340 pIf->setConnected(false);
donatien 8:04b6a042595f 341 break;
donatien 8:04b6a042595f 342 case PPPERR_AUTHFAIL: //Authentication failed
donatien 8:04b6a042595f 343 WARN("Authentication failed");
donatien 10:21a6f09d5631 344 pIf->setConnected(false);
donatien 8:04b6a042595f 345 break;
donatien 8:04b6a042595f 346 case PPPERR_PROTOCOL: //Protocol error
donatien 8:04b6a042595f 347 WARN("Protocol error");
donatien 10:21a6f09d5631 348 pIf->setConnected(false);
donatien 8:04b6a042595f 349 break;
donatien 8:04b6a042595f 350 case PPPERR_USER:
donatien 8:04b6a042595f 351 WARN("Disconnected by user");
donatien 10:21a6f09d5631 352 pIf->setConnected(false);
donatien 8:04b6a042595f 353 break;
donatien 8:04b6a042595f 354 default:
donatien 8:04b6a042595f 355 WARN("Unknown error (%d)", errCode);
donatien 10:21a6f09d5631 356 pIf->setConnected(false);
donatien 8:04b6a042595f 357 break;
donatien 8:04b6a042595f 358 }
donatien 8:04b6a042595f 359
donatien 8:04b6a042595f 360 pIf->m_linkStatusSphre.wait(0); //If previous event has not been handled, "delete" it now
donatien 8:04b6a042595f 361 pIf->m_pppErrCode = errCode;
donatien 8:04b6a042595f 362 pIf->m_linkStatusSphre.release();
donatien 8:04b6a042595f 363 }
donatien 8:04b6a042595f 364
donatien 8:04b6a042595f 365 //LwIP PPP implementation
donatien 8:04b6a042595f 366 extern "C"
donatien 8:04b6a042595f 367 {
donatien 8:04b6a042595f 368
donatien 8:04b6a042595f 369 /**
donatien 8:04b6a042595f 370 * Writes to the serial device.
donatien 8:04b6a042595f 371 *
donatien 8:04b6a042595f 372 * @param fd serial device handle
donatien 8:04b6a042595f 373 * @param data pointer to data to send
donatien 8:04b6a042595f 374 * @param len length (in bytes) of data to send
donatien 8:04b6a042595f 375 * @return number of bytes actually sent
donatien 8:04b6a042595f 376 *
donatien 8:04b6a042595f 377 * @note This function will block until all data can be sent.
donatien 8:04b6a042595f 378 */
donatien 8:04b6a042595f 379 u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len)
donatien 8:04b6a042595f 380 {
donatien 8:04b6a042595f 381 DBG("sio_write");
donatien 8:04b6a042595f 382 PPPIPInterface* pIf = (PPPIPInterface*)fd;
donatien 8:04b6a042595f 383 int ret;
donatien 8:04b6a042595f 384 if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further
donatien 8:04b6a042595f 385 {
donatien 8:04b6a042595f 386 return 0;
donatien 8:04b6a042595f 387 }
donatien 8:04b6a042595f 388 ret = pIf->m_pStream->write(data, len, osWaitForever); //Blocks until all data is sent or an error happens
donatien 8:04b6a042595f 389 if(ret != OK)
donatien 8:04b6a042595f 390 {
donatien 8:04b6a042595f 391 return 0;
donatien 8:04b6a042595f 392 }
donatien 8:04b6a042595f 393 return len;
donatien 8:04b6a042595f 394 }
donatien 8:04b6a042595f 395
donatien 8:04b6a042595f 396 /**
donatien 8:04b6a042595f 397 * Reads from the serial device.
donatien 8:04b6a042595f 398 *
donatien 8:04b6a042595f 399 * @param fd serial device handle
donatien 8:04b6a042595f 400 * @param data pointer to data buffer for receiving
donatien 8:04b6a042595f 401 * @param len maximum length (in bytes) of data to receive
donatien 8:04b6a042595f 402 * @return number of bytes actually received - may be 0 if aborted by sio_read_abort
donatien 8:04b6a042595f 403 *
donatien 8:04b6a042595f 404 * @note This function will block until data can be received. The blocking
donatien 8:04b6a042595f 405 * can be cancelled by calling sio_read_abort().
donatien 8:04b6a042595f 406 */
donatien 8:04b6a042595f 407 u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len)
donatien 8:04b6a042595f 408 {
donatien 8:04b6a042595f 409 DBG("sio_read");
donatien 8:04b6a042595f 410 PPPIPInterface* pIf = (PPPIPInterface*)fd;
donatien 8:04b6a042595f 411 int ret;
donatien 8:04b6a042595f 412 size_t readLen;
donatien 8:04b6a042595f 413 if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further
donatien 8:04b6a042595f 414 {
donatien 8:04b6a042595f 415 WARN("EXIT NOT AVAIL");
donatien 8:04b6a042595f 416 return 0;
donatien 8:04b6a042595f 417 }
donatien 8:04b6a042595f 418 ret = pIf->m_pStream->read(data, &readLen, len, osWaitForever); //Blocks until some data is received or an error happens
donatien 8:04b6a042595f 419 if(ret != OK)
donatien 8:04b6a042595f 420 {
donatien 8:04b6a042595f 421 return 0;
donatien 8:04b6a042595f 422 }
donatien 8:04b6a042595f 423 DBG("ret");
donatien 8:04b6a042595f 424 return readLen;
donatien 8:04b6a042595f 425 }
donatien 8:04b6a042595f 426
donatien 8:04b6a042595f 427 /**
donatien 8:04b6a042595f 428 * Aborts a blocking sio_read() call.
donatien 8:04b6a042595f 429 *
donatien 8:04b6a042595f 430 * @param fd serial device handle
donatien 8:04b6a042595f 431 */
donatien 8:04b6a042595f 432 void sio_read_abort(sio_fd_t fd)
donatien 8:04b6a042595f 433 {
donatien 8:04b6a042595f 434 DBG("sio_read_abort");
donatien 8:04b6a042595f 435 PPPIPInterface* pIf = (PPPIPInterface*)fd;
donatien 8:04b6a042595f 436 if(!pIf->m_streamAvail) //If stream is not available (it is a shared resource) don't go further
donatien 8:04b6a042595f 437 {
donatien 8:04b6a042595f 438 return;
donatien 8:04b6a042595f 439 }
donatien 8:04b6a042595f 440 pIf->m_pStream->abortRead();
donatien 8:04b6a042595f 441 DBG("ret");
donatien 8:04b6a042595f 442 }
donatien 8:04b6a042595f 443
donatien 8:04b6a042595f 444 }
donatien 8:04b6a042595f 445