Ashley Mills / VodafoneUSBModem_bleedingedge2

local fork

Dependencies:   Socket USBHostWANDongle_bleedingedge lwip-sys lwip

Dependents:   Encrypted

Fork of VodafoneUSBModem_bleedingedge by Donatien Garnier

link/LinkMonitor.cpp@87:23f78174a9e2, 2013-04-26 (annotated)

Committer:
ashleymills
Date:
Fri Apr 26 16:58:07 2013 +0000
Revision:
87:23f78174a9e2
Parent:
51:54ca82a7644c 
nothing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 12:66dc2c8eba2d 1 /* LinkMonitor.cpp */
donatien 22:06fb2a93a1f6 2 /* Copyright (C) 2012 mbed.org, MIT License
donatien 22:06fb2a93a1f6 3 *
donatien 22:06fb2a93a1f6 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
donatien 22:06fb2a93a1f6 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
donatien 22:06fb2a93a1f6 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
donatien 22:06fb2a93a1f6 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
donatien 22:06fb2a93a1f6 8 * furnished to do so, subject to the following conditions:
donatien 22:06fb2a93a1f6 9 *
donatien 22:06fb2a93a1f6 10 * The above copyright notice and this permission notice shall be included in all copies or
donatien 22:06fb2a93a1f6 11 * substantial portions of the Software.
donatien 22:06fb2a93a1f6 12 *
donatien 22:06fb2a93a1f6 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
donatien 22:06fb2a93a1f6 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
donatien 22:06fb2a93a1f6 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
donatien 22:06fb2a93a1f6 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 22:06fb2a93a1f6 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
donatien 22:06fb2a93a1f6 18 */
donatien 12:66dc2c8eba2d 19
donatien 51:54ca82a7644c 20 #define __DEBUG__ 0
donatien 12:66dc2c8eba2d 21 #ifndef __MODULE__
donatien 12:66dc2c8eba2d 22 #define __MODULE__ "LinkMonitor.cpp"
donatien 12:66dc2c8eba2d 23 #endif
donatien 12:66dc2c8eba2d 24
donatien 12:66dc2c8eba2d 25 #include "core/fwk.h"
donatien 12:66dc2c8eba2d 26
donatien 12:66dc2c8eba2d 27 #include "LinkMonitor.h"
donatien 12:66dc2c8eba2d 28
donatien 12:66dc2c8eba2d 29 #include <cstdio>
donatien 25:6f3b97dc4295 30 using std::sscanf;
donatien 12:66dc2c8eba2d 31
donatien 12:66dc2c8eba2d 32 #define DEFAULT_TIMEOUT 10000
donatien 12:66dc2c8eba2d 33
donatien 12:66dc2c8eba2d 34 LinkMonitor::LinkMonitor(ATCommandsInterface* pIf) : m_pIf(pIf), m_rssi(0), m_registrationState(REGISTRATION_STATE_UNKNOWN), m_bearer(BEARER_UNKNOWN)
donatien 12:66dc2c8eba2d 35 {
donatien 12:66dc2c8eba2d 36
donatien 12:66dc2c8eba2d 37 }
donatien 12:66dc2c8eba2d 38
donatien 12:66dc2c8eba2d 39 int LinkMonitor::init()
donatien 12:66dc2c8eba2d 40 {
nherriot 49:978bffab17a8 41 // we need to make sure that we setup the operator selection to be in 'numeric' format.
nherriot 49:978bffab17a8 42 // 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
nherriot 49:978bffab17a8 43 // setting up other network parameters in future.
nherriot 49:978bffab17a8 44 DBG("LinkMonitor::init() being called. This should only happen once: executinging AT+COPS=0,2");
donatien 51:54ca82a7644c 45 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
nherriot 49:978bffab17a8 46 if(ret != OK)
nherriot 49:978bffab17a8 47 {
nherriot 49:978bffab17a8 48 WARN(" NET_PROTOCOL error from sending the AT+COPS command to the modem. ");
nherriot 49:978bffab17a8 49 return NET_PROTOCOL;
nherriot 49:978bffab17a8 50 }
donatien 12:66dc2c8eba2d 51 return OK;
donatien 12:66dc2c8eba2d 52 }
donatien 12:66dc2c8eba2d 53
donatien 12:66dc2c8eba2d 54 /*virtual*/ int LinkMonitor::onNewATResponseLine(ATCommandsInterface* pInst, const char* line)
donatien 12:66dc2c8eba2d 55 {
donatien 12:66dc2c8eba2d 56 DBG("Line is %s", line);
donatien 12:66dc2c8eba2d 57 int v;
donatien 12:66dc2c8eba2d 58 if( sscanf(line, "+CREG: %*d,%d", &v) >= 1 ) //Reg state is valid
donatien 12:66dc2c8eba2d 59 {
donatien 12:66dc2c8eba2d 60 DBG("+CREG %d", v);
donatien 12:66dc2c8eba2d 61 switch( v )
donatien 12:66dc2c8eba2d 62 {
donatien 12:66dc2c8eba2d 63 case 0:
donatien 12:66dc2c8eba2d 64 m_registrationState = REGISTRATION_STATE_UNKNOWN;
donatien 12:66dc2c8eba2d 65 break;
donatien 12:66dc2c8eba2d 66 case 1:
donatien 12:66dc2c8eba2d 67 m_registrationState = REGISTRATION_STATE_HOME_NETWORK;
donatien 12:66dc2c8eba2d 68 break;
donatien 12:66dc2c8eba2d 69 case 2:
donatien 12:66dc2c8eba2d 70 m_registrationState = REGISTRATION_STATE_REGISTERING;
donatien 12:66dc2c8eba2d 71 break;
donatien 12:66dc2c8eba2d 72 case 3:
donatien 12:66dc2c8eba2d 73 m_registrationState = REGISTRATION_STATE_DENIED;
donatien 12:66dc2c8eba2d 74 break;
donatien 12:66dc2c8eba2d 75 case 4:
donatien 12:66dc2c8eba2d 76 m_registrationState = REGISTRATION_STATE_NO_SIGNAL;
donatien 12:66dc2c8eba2d 77 break;
donatien 12:66dc2c8eba2d 78 case 5:
donatien 12:66dc2c8eba2d 79 m_registrationState = REGISTRATION_STATE_ROAMING;
donatien 12:66dc2c8eba2d 80 break;
donatien 12:66dc2c8eba2d 81 default:
donatien 12:66dc2c8eba2d 82 m_registrationState = REGISTRATION_STATE_UNKNOWN;
donatien 12:66dc2c8eba2d 83 break;
donatien 12:66dc2c8eba2d 84 }
donatien 12:66dc2c8eba2d 85 }
donatien 12:66dc2c8eba2d 86 else if( sscanf(line, "+COPS: %*d,%*d,\"%*[^\"]\",%d", &v) >= 1 )
donatien 12:66dc2c8eba2d 87 {
donatien 12:66dc2c8eba2d 88 DBG("+COPS %d", v);
donatien 12:66dc2c8eba2d 89 switch( v )
donatien 12:66dc2c8eba2d 90 {
donatien 12:66dc2c8eba2d 91 case 0:
donatien 12:66dc2c8eba2d 92 m_bearer = BEARER_GSM;
donatien 12:66dc2c8eba2d 93 break;
donatien 12:66dc2c8eba2d 94 case 2:
donatien 12:66dc2c8eba2d 95 m_bearer = BEARER_UMTS;
donatien 12:66dc2c8eba2d 96 break;
donatien 12:66dc2c8eba2d 97 case 3:
donatien 12:66dc2c8eba2d 98 m_bearer = BEARER_EDGE;
donatien 12:66dc2c8eba2d 99 break;
donatien 12:66dc2c8eba2d 100 case 4: //HSDPA
donatien 12:66dc2c8eba2d 101 case 5: //HSUPA
donatien 12:66dc2c8eba2d 102 case 6: //HSDPA + HSUPA
donatien 12:66dc2c8eba2d 103 m_bearer = BEARER_HSPA;
donatien 12:66dc2c8eba2d 104 break;
donatien 12:66dc2c8eba2d 105 case 7:
donatien 12:66dc2c8eba2d 106 m_bearer = BEARER_LTE;
donatien 12:66dc2c8eba2d 107 break;
donatien 12:66dc2c8eba2d 108 case 1: //GSM Compact
donatien 12:66dc2c8eba2d 109 default:
donatien 12:66dc2c8eba2d 110 m_bearer = BEARER_UNKNOWN;
donatien 12:66dc2c8eba2d 111 break;
donatien 12:66dc2c8eba2d 112 }
donatien 12:66dc2c8eba2d 113 }
donatien 12:66dc2c8eba2d 114 else if( sscanf(line, "+CSQ: %d,%*d", &v) >= 1 )
donatien 12:66dc2c8eba2d 115 {
donatien 12:66dc2c8eba2d 116 DBG("+CSQ %d", v);
donatien 12:66dc2c8eba2d 117 if(v == 99) //Unknown
donatien 12:66dc2c8eba2d 118 {
donatien 12:66dc2c8eba2d 119 m_rssi = 0; //Unknown
donatien 12:66dc2c8eba2d 120 }
donatien 12:66dc2c8eba2d 121 else
donatien 12:66dc2c8eba2d 122 {
donatien 12:66dc2c8eba2d 123 m_rssi = -113 + 2*v;
donatien 12:66dc2c8eba2d 124 }
donatien 12:66dc2c8eba2d 125 }
donatien 12:66dc2c8eba2d 126 return OK;
donatien 12:66dc2c8eba2d 127 }
donatien 12:66dc2c8eba2d 128
donatien 12:66dc2c8eba2d 129 /*virtual*/ int LinkMonitor::onNewEntryPrompt(ATCommandsInterface* pInst)
donatien 12:66dc2c8eba2d 130 {
donatien 12:66dc2c8eba2d 131 return OK;
donatien 12:66dc2c8eba2d 132 }
donatien 12:66dc2c8eba2d 133
donatien 12:66dc2c8eba2d 134 int LinkMonitor::getState(int* pRssi, REGISTRATION_STATE* pRegistrationState, BEARER* pBearer)
donatien 12:66dc2c8eba2d 135 {
donatien 12:66dc2c8eba2d 136 m_rssi = 0;
donatien 12:66dc2c8eba2d 137 m_registrationState = REGISTRATION_STATE_UNKNOWN;
donatien 12:66dc2c8eba2d 138 m_bearer = BEARER_UNKNOWN;
donatien 51:54ca82a7644c 139 int ret = m_pIf->execute("AT+CREG?;+COPS?;+CSQ", this, NULL, DEFAULT_TIMEOUT); //Configure to get registration info & get it; get signal quality
donatien 12:66dc2c8eba2d 140 if(ret != OK)
donatien 12:66dc2c8eba2d 141 {
donatien 12:66dc2c8eba2d 142 return NET_PROTOCOL;
donatien 12:66dc2c8eba2d 143 }
donatien 12:66dc2c8eba2d 144 *pRssi = m_rssi;
donatien 12:66dc2c8eba2d 145 *pRegistrationState = m_registrationState;
donatien 12:66dc2c8eba2d 146 *pBearer = m_bearer;
donatien 12:66dc2c8eba2d 147 return OK;
donatien 12:66dc2c8eba2d 148 }