Xinlei Cao
Own fork of C027_Support
Dependents: MbedSmartRestMain MbedSmartRestMain
Fork of
C027_Support
by 
u-blox
Diff: MDM.cpp
- Revision:
- 84:a05edb010176
- Parent:
- 82:055dcfcf9dcc
- Child:
- 85:dd8f4f0d0ca9
--- a/MDM.cpp Wed May 28 07:14:21 2014 +0000
+++ b/MDM.cpp Thu Jun 05 15:16:57 2014 +0000
@@ -5,6 +5,42 @@
#include "C027_api.h"
#endif
+/* ----------------------------------------------------------------
+ APN stands for Access Point Name, a setting on your modem or phone
+ that identifies an external network your phone can access for data
+ (e.g., 3G or 4G Internet service on your phone).
+
+ The APN settings can be forced when calling the join function.
+ Below is a list of known APNs that us used if no apn config
+ is forced. This list could be extended by other settings.
+
+ For further reading:
+ wiki apn: http://en.wikipedia.org/wiki/Access_Point_Name
+ wiki mcc/mnc: http://en.wikipedia.org/wiki/Mobile_country_code
+ google: https://www.google.de/search?q=APN+list
+---------------------------------------------------------------- */
+//! helper
+#define _APN(a,u,p) a "\0" u "\0" p "\0"
+//! default APN settings used by many networks
+static const char* apndef = _APN("internet",,);
+//! this is a list of special APNs for different network operators
+static const struct { const char* mccmnc; const char* cfg; } apnlut[] = {
+// Germany
+ { /*T-Mobile*/ "26201", _APN("internet.t-mobile","t-mobile","tm") },
+// Switzerland
+ { /*Swisscom*/ "22801", _APN("gprs.swisscom.ch",,) },
+// USA
+ { /*T-Mobile*/ "310026|310260|310490",
+ _APN("epc.tmobile.com",,)
+ _APN("fast.tmobile.com",,) /*LTE*/ },
+ { /*AT&T*/ "310030|310150|310170|310260|310410|310560|310680",
+ _APN("phone",,)
+ _APN("wap.cingular","WAP@CINGULARGPRS.COM","CINGULAR1")
+ _APN("isp.cingular","ISP@CINGULARGPRS.COM","CINGULAR1") },
+ // ...
+};
+// ----------------------------------------------------------------
+
#define PROFILE "0" //!< this is the psd profile used
#define MAX_SIZE 128 //!< max expected messages
//! test if it is a socket
@@ -173,7 +209,7 @@
else if (c == 5) _net.csd = REG_ROAMING; // registered, roaming
_net.psd = _net.csd; // fake PSD registration (CDMA is always registered)
_net.act = ACT_CDMA;
- // +CSS: <mode>[,<format>,<oper>[,<AcT>]]
+ // +CSS: <mode>[,<format>,<oper>[,<AcT>]]
} else if (sscanf(cmd, "CSS %*c,%2s,%*d",s) == 1) {
//_net.reg = (strcmp("Z", s) == 0) ? REG_UNKNOWN : REG_HOME;
}
@@ -430,6 +466,10 @@
sendFormated("AT+CGREG=2\r\n");
if (RESP_OK != waitFinalResp())
return false;
+ // set operator selection
+ sendFormated("AT+COPS=0,0\r\n");
+ if (RESP_OK != waitFinalResp(NULL,NULL,180*1000))
+ return false;
}
// enable the network registration unsolicited result code
sendFormated("AT+CREG=%d\r\n", (_dev.dev == DEV_LISA_C200) ? 1 : 2);
@@ -585,7 +625,6 @@
if (RESP_OK != waitFinalResp(_cbString, nai))
return false;
} else {
- // check operator selection
sendFormated("AT+COPS?\r\n");
if (RESP_OK != waitFinalResp(_cbCOPS, &_net))
return false;
@@ -689,50 +728,73 @@
// disconnect the profile already if it is connected
sendFormated("AT+UPSDA=" PROFILE ",4\r\n");
if (RESP_OK != waitFinalResp(NULL,NULL,40*1000))
- return NOIP;;
+ return NOIP;
a = 0;
}
if (a == 0) {
- // Set up the APN
- if (apn) {
- sendFormated("AT+UPSD=" PROFILE ",1,\"%s\"\r\n", apn);
- if (RESP_OK != waitFinalResp())
- return NOIP;
+ bool ok = false;
+ // try to lookup the apn settings from our local database by mccmnc
+ const char* config = NULL;
+ if (!apn && !username && !password) {
+ char mccmnc[8] = "";
+ config = apndef;
+ sendFormated("AT+UDOPN=0\r\n");
+ if ((RESP_OK == waitFinalResp(_cbUDOPN, mccmnc)) && *mccmnc) {
+ // many carriers use internet without username and password, os use this as default
+ // now try to lookup the setting for our table
+ for (int i = 0; i < sizeof(apnlut)/sizeof(*apnlut); i ++) {
+ if (strstr(apnlut[i].mccmnc, mccmnc)) {
+ config = apnlut[i].cfg;
+ break;
+ }
+ }
+ }
}
- if (username) {
- sendFormated("AT+UPSD=" PROFILE ",2,\"%s\"\r\n", username);
- if (RESP_OK != waitFinalResp())
- return NOIP;
- }
- if (password) {
- sendFormated("AT+UPSD=" PROFILE ",3,\"%s\"\r\n", password);
- if (RESP_OK != waitFinalResp())
- return NOIP;
- }
+
// Set up the dynamic IP address assignment.
sendFormated("AT+UPSD=" PROFILE ",7,\"0.0.0.0\"\r\n");
if (RESP_OK != waitFinalResp())
return NOIP;
- // try different Authentication Protocols
- // 0 = none
- // 1 = PAP (Password Authentication Protocol)
- // 2 = CHAP (Challenge Handshake Authentication Protocol)
- int i = AUTH_NONE;
- while (i <= AUTH_CHAP)
- {
- if ((auth == AUTH_DETECT) || (auth == i)) {
- // Set up the dynamic IP address assignment.
- sendFormated("AT+UPSD=" PROFILE ",6,%d\r\n", i);
- if (RESP_OK != waitFinalResp())
- return NOIP;
- // Activate the profile and make connection
- sendFormated("AT+UPSDA=" PROFILE ",3\r\n");
- if (RESP_OK == waitFinalResp(NULL,NULL,150*1000))
- break;
+
+ do {
+ if (config) {
+ apn = *config ? config : "";
+ config += strlen(config)+1;
+ username = *config ? config : "";
+ config += strlen(config)+1;
+ password = *config ? config : "";
+ config += strlen(config)+1;
+ if (!*config) config = NULL;
+ TRACE("Testing APN Settings(\"%s\",\"%s\",\"%s\")\r\n", apn, username, password);
}
- i ++;
- }
- if (i > AUTH_CHAP) {
+ // Set up the APN
+ sendFormated("AT+UPSD=" PROFILE ",1,\"%s\"\r\n", apn?apn:"");
+ if (RESP_OK != waitFinalResp())
+ return NOIP;
+ sendFormated("AT+UPSD=" PROFILE ",2,\"%s\"\r\n", username?username:"");
+ if (RESP_OK != waitFinalResp())
+ return NOIP;
+ sendFormated("AT+UPSD=" PROFILE ",3,\"%s\"\r\n", password?password:"");
+ if (RESP_OK != waitFinalResp())
+ return NOIP;
+ // try different Authentication Protocols
+ // 0 = none
+ // 1 = PAP (Password Authentication Protocol)
+ // 2 = CHAP (Challenge Handshake Authentication Protocol)
+ for (int i = AUTH_NONE; i <= AUTH_CHAP && !ok; i ++) {
+ if ((auth == AUTH_DETECT) || (auth == i)) {
+ // Set up the Authentication Protocol
+ sendFormated("AT+UPSD=" PROFILE ",6,%d\r\n", i);
+ if (RESP_OK != waitFinalResp())
+ return NOIP;
+ // Activate the profile and make connection
+ sendFormated("AT+UPSDA=" PROFILE ",3\r\n");
+ if (RESP_OK == waitFinalResp(NULL,NULL,150*1000))
+ ok = true;
+ }
+ }
+ } while (config); // maybe use next setting ?
+ if (!ok) {
ERROR("Your modem APN/password/username may be wrong\r\n");
return NOIP;
}
@@ -745,6 +807,15 @@
return _ip;
}
+int MDMParser::_cbUDOPN(int type, const char* buf, int len, char* mccmnc)
+{
+ if ((type == TYPE_PLUS) && mccmnc) {
+ if (sscanf(buf, "\r\n+UDOPN: 0,\"%[^\"]\"", mccmnc) == 1)
+ ;
+ }
+ return WAIT;
+}
+
int MDMParser::_cbCMIP(int type, const char* buf, int len, IP* ip)
{
if ((type == TYPE_PLUS) && ip) {