Connection Manager library for u-blox cellular modules. It manages the modem for keeping data connection always active.
CNLib.cpp
- Committer:
- msinig
- Date:
- 2016-01-12
- Revision:
- 0:86284a262735
File content as of revision 0:86284a262735:
#include "CNLib.h" #include "CNUtil.h" #include "CNManager.h" #define PROFILE "0" int CNLib::powerOnModem(){ TRACE("%s enter \r\n", __FUNCTION__); int res = RESP_OK; PinName pn MDM_IF( = MDMPWRON, = D4); #ifdef TARGET_UBLOX_C027 int i = 20; if (pn != NC) { INFO("Modem::wakeup\r\n"); DigitalOut pin(pn, 1); while (i--) { // SARA-U2/LISA-U2 50..80us pin = 0; ::wait_us(50); pin = 1; ::wait_ms(10); // SARA-G35 >5ms, LISA-C2 > 150ms, LEON-G2 >5ms pin = 0; ::wait_ms(150); pin = 1; ::wait_ms(100); // purge any messages purge(); // check interface sendFormated("AT\r\n"); res = waitFinalResp(NULL,NULL,1000); if (RESPOK(res)) break; } if (i < 0) { ERROR("No Reply from Modem\r\n"); goto failure; } } #endif TRACE("%s exit Ok \r\n", __FUNCTION__); return res; failure: ERROR("%s exit Error code %d\r\n", __FUNCTION__, res); return res; } int CNLib::initModem() { int res; TRACE("CNLib::%s enter \r\n", __FUNCTION__); // echo off sendFormated("AT E0\r\n"); res = waitFinalResp(); if (!RESPOK(res)) goto failure; // enable verbose error messages sendFormated("AT+CMEE=2\r\n"); res = waitFinalResp(); if (!RESPOK(res)) goto failure; // set baud rate sendFormated("AT+IPR=115200\r\n"); res = waitFinalResp(); if (!RESPOK(res)) goto failure; // wait some time until baudrate is applied wait_ms(200); // SARA-G > 40ms // get the manufacturer sendFormated("AT+CGMI\r\n"); res = waitFinalResp(_cbString, _dev.manu); if (!RESPOK(res)) goto failure; // get the model identification sendFormated("AT+CGMM\r\n"); res = waitFinalResp(_cbString, _dev.model); if (!RESPOK(res)) goto failure; // get the sendFormated("AT+CGMR\r\n"); res = waitFinalResp(_cbString, _dev.ver); if (!RESPOK(res)) goto failure; // Returns the product serial number, IMEI (International Mobile Equipment Identity) sendFormated("AT+CGSN\r\n"); res = waitFinalResp(_cbString, _dev.imei); if (!RESPOK(res)) goto failure; // enable power saving if (_dev.lpm != LPM_DISABLED) { // enable power saving (requires flow control, cts at least) sendFormated("AT+UPSV=1\r\n"); res = waitFinalResp(); if (!RESPOK(res)) goto failure; _dev.lpm = LPM_ACTIVE; } // identify the module sendFormated("ATI\r\n"); res = waitFinalResp(_cbATI, &_dev.dev ); if (!RESPOK(res)) goto failure; if (_dev.dev == DEV_UNKNOWN){ ERROR("CNLib::%s UNKOWN device \r\n", __FUNCTION__); goto failure; } if ((_dev.dev == DEV_LISA_U2) || (_dev.dev == DEV_LEON_G2)) { // enable the network identification feature sendFormated("AT+UGPIOC=20,2\r\n"); res = waitFinalResp(NULL,NULL,20000); if (!RESPOK(res)) goto failure; } else if ((_dev.dev == DEV_SARA_U2) || (_dev.dev == DEV_SARA_U2) || (_dev.dev == DEV_SARA_G35)) { // enable the network identification feature sendFormated("AT+UGPIOC=16,2\r\n"); res = waitFinalResp(NULL,NULL,20000); if (!RESPOK(res)) goto failure; } //enable rat technology unsolicited sendFormated("AT+UREG=1\r\n"); res = waitFinalResp(); if (!RESPOK(res)) goto failure; // enable the psd registration unsolicited result code sendFormated("AT+CGREG=2\r\n"); res = waitFinalResp(); if (!RESPOK(res)) goto failure; // enable the network registration unsolicited result code sendFormated("AT+CREG=2\r\n"); res = waitFinalResp(); if (!RESPOK(res)) goto failure; TRACE("CNLib::%s exit Ok \r\n", __FUNCTION__); return res; failure: ERROR("CNLib::%s exit Error code %d\r\n", __FUNCTION__, res); return res; } /*************************************************************************/ int CNLib::_mcbCPIN(int type, const char* buf, int len, Sim* sim) { int ret = WAIT; if (sim) { if (type == TYPE_PLUS){ char s[16]; if (sscanf(buf, "\r\n+CPIN: %[^\r]\r\n", s) >= 1){ if (!strcmp("READY", s)){ *sim = SIM_READY; } else if (!strcmp("SIM PIN", s)) *sim = SIM_PIN; else if (!strcmp("SIM PUK", s)) *sim = SIM_PUK; } } else if (type == TYPE_ERROR_CME) { if (strstr(buf, "+CME ERROR: SIM not inserted")){ *sim = SIM_MISSING; ret = RESP_OK; } else if (strstr(buf, "+CME ERROR: incorrect password\r\n")){ *sim = WRONG_PIN; ret = RESP_OK; } else{ *sim = SIM_UNKNOWN; ret = RESP_OK; } } } return ret; } int CNLib::simInit(const char* simpin) { int res; TRACE("CNLib::%s Enter \r\n", __FUNCTION__); if (simpin == NULL){ sendFormated("AT+CPIN?\r\n"); } else if (simpin != NULL && *simpin != NULL) sendFormated("AT+CPIN=\"%s\"\r\n", simpin); res = waitFinalResp(_mcbCPIN, &_dev.sim, 20000); if (!RESPOK(res)) goto failure; TRACE("CNLib::%s exit Ok \r\n", __FUNCTION__); return res; failure: ERROR("CNLib::%s exit Error code %d\r\n", __FUNCTION__, res); return res; } int CNLib::getSimInfo(){ int res; // Returns the ICCID (Integrated Circuit Card ID) of the SIM-card. // ICCID is a serial number identifying the SIM. sendFormated("AT+CCID\r\n"); res = waitFinalResp(_cbCCID, _dev.ccid); if (res != RESP_OK) goto failure; // Request IMSI (International Mobile Subscriber Identification) sendFormated("AT+CIMI\r\n"); res = waitFinalResp(_cbString, _dev.imsi); if (RESP_OK != res) goto failure; TRACE("CNLib::%s exit Ok \r\n", __FUNCTION__); return res; failure: ERROR("CNLib::%s exit Error code %d\r\n", __FUNCTION__, res); return res; } /*****************************************************************************/ int CNLib::getNetworkInfo() { int res; TRACE("CNLib::%s Enter \r\n", __FUNCTION__); sendFormated("AT+COPS?\r\n"); res = waitFinalResp(_cbCOPS, &_net); if (!RESPOK(res)) goto failure; TRACE("CNLib::%s exit Ok \r\n", __FUNCTION__); return res; failure: ERROR("CNLib::%s exit Error code %d\r\n", __FUNCTION__, res); return res; } int CNLib::setNetAutoReg() { int res; TRACE("CNLib::%s Enter \r\n", __FUNCTION__); sendFormated("AT+COPS=0\r\n"); res = waitFinalResp(); if (!RESPOK(res)) goto failure; TRACE("CNLib::%s exit Ok \r\n", __FUNCTION__); return res; failure: ERROR("CNLib::%s exit Error code %d\r\n", __FUNCTION__, res); return res; } /****************************************************************/ int CNLib::getInternalStatusContext() { int res; TRACE("CNLib::%s Enter \r\n", __FUNCTION__); int context; sendFormated("AT+UPSND=" PROFILE ",8\r\n"); res = waitFinalResp(_cbUPSND, &context); if (!RESPOK(res)) goto failure; if (context == 0) _ip = NOIP; TRACE("CNLib::%s exit Ok \r\n", __FUNCTION__); return res; failure: TRACE("CNLib::%s exit Error code %d\r\n", __FUNCTION__, res); _ip = NOIP; return res; } int CNLib::disableInternalContext() { int res; TRACE("CNLib::%s Enter \r\n", __FUNCTION__); _ip = NOIP; sendFormated("AT+UPSDA=" PROFILE ",4\r\n"); res = waitFinalResp(NULL,NULL,40*1000); if (!RESPOK(res)) goto failure; TRACE("CNLib::%s exit Ok \r\n", __FUNCTION__); return res; failure: ERROR("CNLib::%s exit Error code %d\r\n", __FUNCTION__, res); return res; }