diff options
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/link/LinkMonitor.cpp')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/link/LinkMonitor.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/link/LinkMonitor.cpp b/tmk_core/tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/link/LinkMonitor.cpp new file mode 100644 index 0000000000..612b376921 --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/link/LinkMonitor.cpp @@ -0,0 +1,175 @@ +/* LinkMonitor.cpp */ +/* Copyright (C) 2012 mbed.org, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#define __DEBUG__ 0 +#ifndef __MODULE__ +#define __MODULE__ "LinkMonitor.cpp" +#endif + +#include "core/fwk.h" + +#include "LinkMonitor.h" + +#include <cstdio> +using std::sscanf; + +#define DEFAULT_TIMEOUT 10000 + +LinkMonitor::LinkMonitor(ATCommandsInterface* pIf) : m_pIf(pIf), m_rssi(0), m_registrationState(REGISTRATION_STATE_UNKNOWN), m_bearer(BEARER_UNKNOWN) +{ + m_gsm = true; +} + +int LinkMonitor::init(bool gsm) +{ + m_gsm = gsm; + if (m_gsm) + { + // we need to make sure that we setup the operator selection to be in 'numeric' format. + // i.e. it is made up of a network and country code when returned by the modem e.g. Operator = 23415. This allows easy logic parsing for + // setting up other network parameters in future. + DBG("LinkMonitor::init() being called. This should only happen once: executinging AT+COPS=0,2"); + int ret = m_pIf->executeSimple("AT+COPS=0,2", NULL, DEFAULT_TIMEOUT); //Configure to set the operator string to Country Code and mobile network code + if(ret != OK) + { + WARN(" NET_PROTOCOL error from sending the AT+COPS command to the modem. "); + return NET_PROTOCOL; + } + } + return OK; +} + +/*virtual*/ int LinkMonitor::onNewATResponseLine(ATCommandsInterface* pInst, const char* line) +{ + DBG("Line is %s", line); + char n[32] = ""; + char s[32] = ""; + int v; + if( sscanf(line, "+CREG: %*d,%d", &v) >= 1 ) //Reg state is valid + { + DBG("+CREG %d", v); + switch( v ) + { + case 0: + m_registrationState = REGISTRATION_STATE_UNKNOWN; + break; + case 1: + m_registrationState = REGISTRATION_STATE_HOME_NETWORK; + break; + case 2: + m_registrationState = REGISTRATION_STATE_REGISTERING; + break; + case 3: + m_registrationState = REGISTRATION_STATE_DENIED; + break; + case 4: + m_registrationState = REGISTRATION_STATE_NO_SIGNAL; + break; + case 5: + m_registrationState = REGISTRATION_STATE_ROAMING; + break; + default: + m_registrationState = REGISTRATION_STATE_UNKNOWN; + break; + } + } + else if( sscanf(line, "+COPS: %*d,%*d,\"%*[^\"]\",%d", &v) >= 1 ) + { + DBG("+COPS %d", v); + switch( v ) + { + case 0: + m_bearer = BEARER_GSM; + break; + case 2: + m_bearer = BEARER_UMTS; + break; + case 3: + m_bearer = BEARER_EDGE; + break; + case 4: //HSDPA + case 5: //HSUPA + case 6: //HSDPA + HSUPA + m_bearer = BEARER_HSPA; + break; + case 7: + m_bearer = BEARER_LTE; + break; + case 1: //GSM Compact + default: + m_bearer = BEARER_UNKNOWN; + break; + } + } + else if( sscanf(line, "+CSQ: %d,%*d", &v) >= 1 ) + { + DBG("+CSQ %d", v); + if(v == 99) //Unknown + { + m_rssi = 0; //Unknown + } + else + { + m_rssi = -113 + 2*v; + } + } + else if ( (sscanf(line, "+CNUM: \"%[^\"]\",\"%[^\"]\",%d", n, s, &v) == 3) || + (sscanf(line, "+CNUM: \"\",\"%[^\"]\",%d", s, &v) == 2) ) + { + if (*s && ((v == 145/*number includes + */) || (v == 129/*otherwise*/))) { + strcpy(m_phoneNumber, s); + } + } + return OK; +} + +/*virtual*/ int LinkMonitor::onNewEntryPrompt(ATCommandsInterface* pInst) +{ + return OK; +} + +int LinkMonitor::getState(int* pRssi, REGISTRATION_STATE* pRegistrationState, BEARER* pBearer) +{ + m_rssi = 0; + m_registrationState = REGISTRATION_STATE_UNKNOWN; + m_bearer = BEARER_UNKNOWN; + int ret = m_pIf->execute(m_gsm ? "AT+CREG?;+COPS?;+CSQ" : "AT+CREG?;+CSQ", this, NULL, DEFAULT_TIMEOUT); //Configure to get registration info & get it; get signal quality + if(ret != OK) + { + return NET_PROTOCOL; + } + *pRssi = m_rssi; + *pRegistrationState = m_registrationState; + *pBearer = m_bearer; + return OK; +} + +int LinkMonitor::getPhoneNumber(char* phoneNumber) +{ + *m_phoneNumber = '\0'; + if (m_gsm) { + int ret = m_pIf->execute("AT+CNUM", this, NULL, DEFAULT_TIMEOUT); + if(ret != OK) + { + return NET_PROTOCOL; + } + } + strcpy(phoneNumber, m_phoneNumber); + return OK; +}
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