Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Fork of MTS-Cellular by
Diff: Cellular/Cellular.cpp
- Revision:
- 1:f155d94d6f3a
- Child:
- 3:04046eebaef5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Cellular/Cellular.cpp Mon May 19 12:34:32 2014 -0500 @@ -0,0 +1,170 @@ +#include "Cellular.h" +#include "MTSText.h" + +using namespace mts; + +std::string Cellular::getRegistrationNames(Registration registration) +{ + switch(registration) { + case NOT_REGISTERED: + return "NOT_REGISTERED"; + case REGISTERED: + return "REGISTERED"; + case SEARCHING: + return "SEARCHING"; + case DENIED: + return "DENIED"; + case UNKNOWN: + return "UNKNOWN"; + case ROAMING: + return "ROAMING"; + default: + return "UNKNOWN ENUM"; + } +} + +Code Cellular::test() +{ + int i = 0; + while (sendBasicCommand("AT", 1000) != SUCCESS) { + i++; + if (i >= 30) { + printf("[ERROR] Could not talk to radio after 30 tries\r\n"); + i = 0; + } + wait(1); + } + return SUCCESS; +} + +int Cellular::getSignalStrength() +{ + string response = sendCommand("AT+CSQ", 1000); + if (response.find("OK") == string::npos) { + return -1; + } + int start = response.find(':'); + int stop = response.find(',', start); + string signal = response.substr(start + 2, stop - start - 2); + int value; + sscanf(signal.c_str(), "%d", &value); + return value; +} + +Cellular::Registration Cellular::getRegistration() +{ + string response = sendCommand("AT+CREG?", 5000); + if (response.find("OK") == string::npos) { + return UNKNOWN; + } + int start = response.find(','); + int stop = response.find(' ', start); + string regStat = response.substr(start + 1, stop - start - 1); + int value; + sscanf(regStat.c_str(), "%d", &value); + switch (value) { + case 0: + return NOT_REGISTERED; + case 1: + return REGISTERED; + case 2: + return SEARCHING; + case 3: + return DENIED; + case 4: + return UNKNOWN; + case 5: + return ROAMING; + } + return UNKNOWN; +} + +Code Cellular::sendSMS(const Sms& sms) +{ + return sendSMS(sms.phoneNumber, sms.message); +} + +Code Cellular::sendSMS(const std::string& phoneNumber, const std::string& message) +{ + Code code = sendBasicCommand("AT+CMGF=1", 1000); + if (code != SUCCESS) { + return code; + } + string cmd = "AT+CMGS=\"+"; + cmd.append(phoneNumber); + cmd.append("\""); + string response1 = sendCommand(cmd, 1000); + if (response1.find('>') == string::npos) { + return NO_RESPONSE; + } + wait(.2); + string response2 = sendCommand(message, 4000, CTRL_Z); + printf("SMS Response: %s\r\n", response2.c_str()); + if (response2.find("+CMGS:") == string::npos) { + return FAILURE; + } + return SUCCESS; +} + +std::vector<Cellular::Sms> Cellular::getReceivedSms() +{ + int smsNumber = 0; + std::vector<Sms> vSms; + std::string received = sendCommand("AT+CMGL=\"ALL\"", 4000); + size_t pos = received.find("+CMGL: "); + + while (pos != std::string::npos) { + Cellular::Sms sms; + std::string line(Text::getLine(received, pos, pos)); + //printf("[DEBUG] Top of SMS Parse Loop. LINE[%s]\r\n", line.c_str()); + if(line.find("+CMGL: ") == std::string::npos) { + continue; + } + + //Start of SMS message + std::vector<std::string> vSmsParts = Text::split(line, ','); + if(vSmsParts.size() != 6) { + printf("[WARNING] Expected 6 commas. SMS[%d] DATA[%s]. Continuing ...\r\n", smsNumber, line.c_str()); + continue; + } + + sms.phoneNumber = vSmsParts[2]; + sms.timestamp = vSmsParts[4] + ", " + vSmsParts[5]; + + if(pos == std::string::npos) { + printf("[WARNING] Expected SMS body. SMS[%d]. Leaving ...\r\n", smsNumber); + break; + } + //Check for the start of the next SMS message + size_t bodyEnd = received.find("\r\n+CMGL: ", pos); + if(bodyEnd == std::string::npos) { + //printf("[DEBUG] Parsing Last SMS. SMS[%d]\r\n", smsNumber); + //This must be the last SMS message + bodyEnd = received.find("\r\n\r\nOK", pos); + } + + //Safety check that we found the boundary of this current SMS message + if(bodyEnd != std::string::npos) { + sms.message = received.substr(pos, bodyEnd - pos); + } else { + sms.message = received.substr(pos); + printf("[WARNING] Expected to find end of SMS list. SMS[%d] DATA[%s].\r\n", smsNumber, sms.message.c_str()); + } + vSms.push_back(sms); + pos = bodyEnd; + //printf("[DEBUG] Parsed SMS[%d]. Starting Next at position [%d]\r\n", smsNumber, pos); + smsNumber++; + } + printf("Received %d SMS\r\n", smsNumber); + return vSms; +} + +Code Cellular::deleteOnlyReceivedReadSms() +{ + return sendBasicCommand("AT+CMGD=1,1", 1000); +} + +Code Cellular::deleteAllReceivedSms() +{ + return sendBasicCommand("AT+CMGD=1,4", 1000); +}