u-blox / CNManager

Connection Manager library for u-blox cellular modules. It manages the modem for keeping data connection always active.

Dependents:   C027_demo_ConnMan

CNReg.cpp@1:29ad1d1ac1f9, 2016-01-21 (annotated)

Committer:
msinig
Date:
Thu Jan 21 14:00:25 2016 +0000
Revision:
1:29ad1d1ac1f9
Parent:
0:86284a262735 
fix bugs

Who changed what in which revision?

UserRevisionLine numberNew contents of line
msinig 0:86284a262735 1 #include "CNReg.h"
msinig 0:86284a262735 2 #include "CNLib.h"
msinig 0:86284a262735 3
msinig 0:86284a262735 4 #define ISREG(r) ((r == MDMParser::REG_HOME) || (r == MDMParser::REG_ROAMING))
msinig 0:86284a262735 5 #define ISROMAING(r) (r == MDMParser::REG_ROAMING)
msinig 0:86284a262735 6 #define ISUNKKOWN(r) (r == MDMParser::REG_UNKNOWN)
msinig 0:86284a262735 7
msinig 0:86284a262735 8 static MDMParser::Reg stateCS; //!< CS registration status
msinig 0:86284a262735 9 static MDMParser::Reg statePS; //!< PS registration status
msinig 0:86284a262735 10 static CNTimer tmStatusPull; //!< timer for polling registration status
msinig 0:86284a262735 11 static bool isRomaingEnabled; //!< roaming is allowed
msinig 0:86284a262735 12
msinig 0:86284a262735 13 void cnRegInit(){
msinig 0:86284a262735 14 TRACE("%s enter \r\n", __FUNCTION__);
msinig 0:86284a262735 15 stateCS = MDMParser::REG_UNKNOWN;
msinig 0:86284a262735 16 statePS = MDMParser::REG_UNKNOWN;
msinig 0:86284a262735 17 tmStatusPull.setExpireTimeout(TIMEOUT_POLLING_NETWORK_STATUS);
msinig 0:86284a262735 18 tmStatusPull.start();
msinig 0:86284a262735 19 }
msinig 0:86284a262735 20
msinig 0:86284a262735 21 void cnRegSetRoaming(bool enabled){
msinig 0:86284a262735 22 isRomaingEnabled = enabled;
msinig 0:86284a262735 23 }
msinig 0:86284a262735 24
msinig 0:86284a262735 25 void cnRegReset(){
msinig 0:86284a262735 26 TRACE("%s enter \r\n", __FUNCTION__);
msinig 0:86284a262735 27 stateCS = MDMParser::REG_UNKNOWN;
msinig 0:86284a262735 28 statePS = MDMParser::REG_UNKNOWN;
msinig 0:86284a262735 29 }
msinig 0:86284a262735 30
msinig 1:29ad1d1ac1f9 31 CNResp cnRegLoop(CNLib* cnLib, RegStatus* regStatus){
msinig 0:86284a262735 32 MDMParser::Reg newStateCS = cnLib->getNet()->csd;
msinig 0:86284a262735 33 MDMParser::Reg newStatePS = cnLib->getNet()->psd;
msinig 0:86284a262735 34 bool isRoamingRegister, isCSRegistered, hasCsRegister, hasCsDeRegister, isPSRegistered, hasPsRegister, hasPsDeRegister;
msinig 1:29ad1d1ac1f9 35 *regStatus = REG_NO_CHANGES;
msinig 1:29ad1d1ac1f9 36 int res;
msinig 0:86284a262735 37
msinig 1:29ad1d1ac1f9 38 TRACE("%s enter \r\n", __FUNCTION__);
msinig 0:86284a262735 39 //read and set COPS if necessary
msinig 1:29ad1d1ac1f9 40 if (cnLib->getNet()->regStatus == MDMParser::COPS_UNKOWN){
msinig 1:29ad1d1ac1f9 41 res = cnLib->getNetworkInfo();
msinig 1:29ad1d1ac1f9 42 if (!RESPOK(res)) return RES_ERROR;
msinig 1:29ad1d1ac1f9 43 }
msinig 0:86284a262735 44 if (cnLib->getNet()->regStatus != MDMParser::COPS_AUTOMATIC_REG)
msinig 0:86284a262735 45 cnLib->setNetAutoReg();
msinig 0:86284a262735 46 // poll registration info when timer expires
msinig 0:86284a262735 47 if (tmStatusPull.isExpired()){
msinig 0:86284a262735 48 INFO("%s Polling Net Info timer Expired, checking net status\r\n", __FUNCTION__);
msinig 0:86284a262735 49 cnLib->checkNetStatus();
msinig 0:86284a262735 50 newStateCS = cnLib->getNet()->csd;
msinig 0:86284a262735 51 newStatePS = cnLib->getNet()->psd;
msinig 0:86284a262735 52 if (!tmStatusPull.isOn())
msinig 0:86284a262735 53 tmStatusPull.start();
msinig 0:86284a262735 54 }
msinig 0:86284a262735 55 //recover an old value in case of read errors
msinig 0:86284a262735 56 if (ISUNKKOWN(newStateCS)) newStateCS = stateCS;
msinig 0:86284a262735 57 if (ISUNKKOWN(newStatePS)) newStatePS = statePS;
msinig 0:86284a262735 58 //process registration changes
msinig 0:86284a262735 59 isRoamingRegister = ISROMAING(stateCS) || ISROMAING(statePS);
msinig 0:86284a262735 60 isCSRegistered = ISREG(stateCS);
msinig 0:86284a262735 61 hasCsRegister = (!isCSRegistered && ISREG(newStateCS));
msinig 0:86284a262735 62 hasCsDeRegister = ( isCSRegistered && !ISREG(newStateCS));
msinig 0:86284a262735 63 isPSRegistered = ISREG(statePS);
msinig 0:86284a262735 64 hasPsRegister = ( !isPSRegistered && ISREG(newStatePS));
msinig 0:86284a262735 65 hasPsDeRegister = ( isPSRegistered && !ISREG(newStatePS));
msinig 0:86284a262735 66 //verify roaming
msinig 0:86284a262735 67 if (!isRoamingRegister || (isRoamingRegister && isRomaingEnabled)){
msinig 0:86284a262735 68 //verify registration
msinig 0:86284a262735 69 if ((isCSRegistered && hasPsRegister) || (isPSRegistered && hasCsRegister) || \
msinig 0:86284a262735 70 (hasPsRegister && hasCsRegister) ){
msinig 0:86284a262735 71 TRACE("%s CS and PS have just registered\r\n", __FUNCTION__);
msinig 1:29ad1d1ac1f9 72 *regStatus = REG_REGISTERED;
msinig 0:86284a262735 73 }
msinig 0:86284a262735 74 else if (hasPsDeRegister || hasCsDeRegister){
msinig 0:86284a262735 75 TRACE("%s CS or PS are not registered\r\n", __FUNCTION__);
msinig 1:29ad1d1ac1f9 76 *regStatus = REG_NOT_REGISTERED;
msinig 0:86284a262735 77 }
msinig 0:86284a262735 78 }else{
msinig 0:86284a262735 79 INFO("%s Roaming not allowed\r\n", __FUNCTION__);
msinig 1:29ad1d1ac1f9 80 *regStatus = REG_NOT_REGISTERED;
msinig 0:86284a262735 81 }
msinig 0:86284a262735 82 //Perform action in base of registration status
msinig 0:86284a262735 83 if (hasCsRegister){
msinig 0:86284a262735 84 //cnLib->getNetMccMnc();
msinig 0:86284a262735 85 } else if (hasCsDeRegister){
msinig 0:86284a262735 86 //cnLib->getNet()->netMccMnc = 0;
msinig 0:86284a262735 87 memset(cnLib->getNet()->opr, 0, strlen(cnLib->getNet()->opr));
msinig 0:86284a262735 88 }
msinig 0:86284a262735 89 //Dump info
msinig 0:86284a262735 90 if (getUtilDebugLevel() > 1 && (newStatePS != statePS || newStateCS != stateCS )){
msinig 1:29ad1d1ac1f9 91 const char* txtStatus[] = { "unchanged", "registered", "NOT registered"};
msinig 0:86284a262735 92 INFO("cn registration Dump\r\n");
msinig 1:29ad1d1ac1f9 93 if (*regStatus < sizeof(txtStatus)/sizeof(*txtStatus))
msinig 1:29ad1d1ac1f9 94 INFO(" Status is now %s\r\n", txtStatus[*regStatus]);
msinig 0:86284a262735 95 INFO(" has CS Registered = %s, has CS DeRegistered = %s\r\n", BOOLTOSTR(hasCsRegister), BOOLTOSTR(hasCsDeRegister));
msinig 0:86284a262735 96 INFO(" is Roaming active = %s, polling Timer %d\r\n", \
msinig 0:86284a262735 97 BOOLTOSTR(isRoamingRegister), tmStatusPull.read());
msinig 1:29ad1d1ac1f9 98 //cnLib->dumpNetStatus(cnLib->getNet());
msinig 0:86284a262735 99 }
msinig 0:86284a262735 100 //update status
msinig 0:86284a262735 101 stateCS = newStateCS;
msinig 0:86284a262735 102 statePS = newStatePS;
msinig 1:29ad1d1ac1f9 103
msinig 0:86284a262735 104 return RES_OK;
msinig 0:86284a262735 105 }