Cellular library for MTS Socket Modem Arduino Shield devices from Multi-Tech Systems
Dependents: mtsas mtsas mtsas mtsas
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); +}