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TinyGsmClientSIM800.h
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TinyGsmClientSIM800.h
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/**
* @file TinyGsmClientSIM800.h
* @author Volodymyr Shymanskyy
* @license LGPL-3.0
* @copyright Copyright (c) 2016 Volodymyr Shymanskyy
* @date Nov 2016
*/
#ifndef SRC_TINYGSMCLIENTSIM800_H_
#define SRC_TINYGSMCLIENTSIM800_H_
// #pragma message("TinyGSM: TinyGsmClientSIM800")
// #define TINY_GSM_DEBUG Serial
// #define TINY_GSM_USE_HEX
#define TINY_GSM_MUX_COUNT 5
#define TINY_GSM_BUFFER_READ_AND_CHECK_SIZE
#ifdef AT_NL
#undef AT_NL
#endif
#define AT_NL "\r\n"
#ifdef MODEM_MANUFACTURER
#undef MODEM_MANUFACTURER
#endif
#define MODEM_MANUFACTURER "unknown"
#ifdef MODEM_MODEL
#undef MODEM_MODEL
#endif
#if defined(TINY_GSM_MODEM_SIM808)
#define MODEM_MODEL "SIM808";
#elif defined(TINY_GSM_MODEM_SIM868)
#define MODEM_MODEL "SIM868";
#elif defined(TINY_GSM_MODEM_SIM900)
#define MODEM_MODEL "SIM900";
#else
#define MODEM_MODEL "SIM800";
#endif
#include "TinyGsmModem.tpp"
#include "TinyGsmTCP.tpp"
#include "TinyGsmSSL.tpp"
#include "TinyGsmGPRS.tpp"
#include "TinyGsmCalling.tpp"
#include "TinyGsmSMS.tpp"
#include "TinyGsmGSMLocation.tpp"
#include "TinyGsmTime.tpp"
#include "TinyGsmNTP.tpp"
#include "TinyGsmBattery.tpp"
enum SIM800RegStatus {
REG_NO_RESULT = -1,
REG_UNREGISTERED = 0,
REG_SEARCHING = 2,
REG_DENIED = 3,
REG_OK_HOME = 1,
REG_OK_ROAMING = 5,
REG_UNKNOWN = 4,
};
class TinyGsmSim800 : public TinyGsmModem<TinyGsmSim800>,
public TinyGsmGPRS<TinyGsmSim800>,
public TinyGsmTCP<TinyGsmSim800, TINY_GSM_MUX_COUNT>,
public TinyGsmSSL<TinyGsmSim800, TINY_GSM_MUX_COUNT>,
public TinyGsmCalling<TinyGsmSim800>,
public TinyGsmSMS<TinyGsmSim800>,
public TinyGsmGSMLocation<TinyGsmSim800>,
public TinyGsmTime<TinyGsmSim800>,
public TinyGsmNTP<TinyGsmSim800>,
public TinyGsmBattery<TinyGsmSim800> {
friend class TinyGsmModem<TinyGsmSim800>;
friend class TinyGsmGPRS<TinyGsmSim800>;
friend class TinyGsmTCP<TinyGsmSim800, TINY_GSM_MUX_COUNT>;
friend class TinyGsmSSL<TinyGsmSim800, TINY_GSM_MUX_COUNT>;
friend class TinyGsmCalling<TinyGsmSim800>;
friend class TinyGsmSMS<TinyGsmSim800>;
friend class TinyGsmGSMLocation<TinyGsmSim800>;
friend class TinyGsmTime<TinyGsmSim800>;
friend class TinyGsmNTP<TinyGsmSim800>;
friend class TinyGsmBattery<TinyGsmSim800>;
/*
* Inner Client
*/
public:
class GsmClientSim800 : public GsmClient {
friend class TinyGsmSim800;
public:
GsmClientSim800() {}
explicit GsmClientSim800(TinyGsmSim800& modem, uint8_t mux = 0) {
init(&modem, mux);
}
bool init(TinyGsmSim800* modem, uint8_t mux = 0) {
this->at = modem;
sock_available = 0;
prev_check = 0;
sock_connected = false;
got_data = false;
if (mux < TINY_GSM_MUX_COUNT) {
this->mux = mux;
} else {
this->mux = (mux % TINY_GSM_MUX_COUNT);
}
at->sockets[this->mux] = this;
return true;
}
public:
virtual int connect(const char* host, uint16_t port, int timeout_s) {
stop();
TINY_GSM_YIELD();
rx.clear();
sock_connected = at->modemConnect(host, port, mux, false, timeout_s);
return sock_connected;
}
TINY_GSM_CLIENT_CONNECT_OVERRIDES
void stop(uint32_t maxWaitMs) {
dumpModemBuffer(maxWaitMs);
at->sendAT(GF("+CIPCLOSE="), mux, GF(",1")); // Quick close
sock_connected = false;
at->waitResponse();
}
void stop() override {
stop(15000L);
}
/*
* Extended API
*/
String remoteIP() TINY_GSM_ATTR_NOT_IMPLEMENTED;
};
/*
* Inner Secure Client
*/
public:
class GsmClientSecureSim800 : public GsmClientSim800 {
public:
GsmClientSecureSim800() {}
explicit GsmClientSecureSim800(TinyGsmSim800& modem, uint8_t mux = 0)
: GsmClientSim800(modem, mux) {}
int connect(const char* host, uint16_t port, int timeout_s) override {
stop();
TINY_GSM_YIELD();
rx.clear();
sock_connected = at->modemConnect(host, port, mux, true, timeout_s);
return sock_connected;
}
TINY_GSM_CLIENT_CONNECT_OVERRIDES
};
/*
* Constructor
*/
public:
explicit TinyGsmSim800(Stream& stream) : stream(stream) {
memset(sockets, 0, sizeof(sockets));
}
/*
* Basic functions
*/
protected:
bool initImpl(const char* pin = nullptr) {
DBG(GF("### TinyGSM Version:"), TINYGSM_VERSION);
DBG(GF("### TinyGSM Compiled Module: TinyGsmClientSIM800"));
if (!testAT()) { return false; }
// sendAT(GF("&FZ")); // Factory + Reset
// waitResponse();
sendAT(GF("E0")); // Echo Off
if (waitResponse() != 1) { return false; }
#ifdef TINY_GSM_DEBUG
sendAT(GF("+CMEE=2")); // turn on verbose error codes
#else
sendAT(GF("+CMEE=0")); // turn off error codes
#endif
waitResponse();
DBG(GF("### Modem:"), getModemName());
// Enable Local Time Stamp for getting network time
sendAT(GF("+CLTS=1"));
if (waitResponse(10000L) != 1) { return false; }
// Enable battery checks
sendAT(GF("+CBATCHK=1"));
waitResponse();
SimStatus ret = getSimStatus();
// if the sim isn't ready and a pin has been provided, try to unlock the sim
if (ret != SIM_READY && pin != nullptr && strlen(pin) > 0) {
simUnlock(pin);
return (getSimStatus() == SIM_READY);
} else {
// if the sim is ready, or it's locked but no pin has been provided,
// return true
return (ret == SIM_READY || ret == SIM_LOCKED);
}
}
bool factoryDefaultImpl() {
sendAT(GF("&FZE0&W")); // Factory + Reset + Echo Off + Write
waitResponse();
sendAT(GF("+IPR=0")); // Auto-baud
waitResponse();
sendAT(GF("+IFC=0,0")); // No Flow Control
waitResponse();
sendAT(GF("+ICF=3,3")); // 8 data 0 parity 1 stop
waitResponse();
sendAT(GF("+CSCLK=0")); // Disable Slow Clock
waitResponse();
sendAT(GF("&W")); // Write configuration
return waitResponse() == 1;
}
/*
bool thisHasSSL() {
#if defined(TINY_GSM_MODEM_SIM900)
return false;
#else
sendAT(GF("+CIPSSL=?"));
if (waitResponse(GF(AT_NL "+CIPSSL:")) != 1) { return false; }
return waitResponse() == 1;
#endif
}
*/
/*
* Power functions
*/
protected:
bool restartImpl(const char* pin = nullptr) {
if (!testAT()) { return false; }
sendAT(GF("&W"));
waitResponse();
if (!setPhoneFunctionality(0)) { return false; }
if (!setPhoneFunctionality(1, true)) { return false; }
delay(3000);
return init(pin);
}
bool powerOffImpl() {
sendAT(GF("+CPOWD=1"));
return waitResponse(10000L, GF("NORMAL POWER DOWN")) == 1;
}
// During sleep, the SIM800 module has its serial communication disabled. In
// order to reestablish communication pull the DRT-pin of the SIM800 module
// LOW for at least 50ms. Then use this function to disable sleep mode. The
// DTR-pin can then be released again.
bool sleepEnableImpl(bool enable = true) {
sendAT(GF("+CSCLK="), enable);
return waitResponse() == 1;
}
// <fun> 0 Minimum functionality
// <fun> 1 Full functionality (Default)
// <fun> 4 Disable phone both transmit and receive RF circuits.
// <rst> Reset the MT before setting it to <fun> power level.
bool setPhoneFunctionalityImpl(uint8_t fun, bool reset = false) {
sendAT(GF("+CFUN="), fun, reset ? ",1" : "");
return waitResponse(10000L) == 1;
}
/*
* Generic network functions
*/
public:
SIM800RegStatus getRegistrationStatus() {
return (SIM800RegStatus)getRegistrationStatusXREG("CREG");
}
protected:
bool isNetworkConnectedImpl() {
SIM800RegStatus s = getRegistrationStatus();
return (s == REG_OK_HOME || s == REG_OK_ROAMING);
}
String getLocalIPImpl() {
sendAT(GF("+CIFSR;E0"));
String res;
if (waitResponse(10000L, res) != 1) { return ""; }
cleanResponseString(res);
return res;
}
/*
* Secure socket layer (SSL) functions
*/
// Follows functions as inherited from TinyGsmSSL.tpp
/*
* WiFi functions
*/
// No functions of this type supported
/*
* GPRS functions
*/
protected:
bool gprsConnectImpl(const char* apn, const char* user = nullptr,
const char* pwd = nullptr) {
gprsDisconnect();
// Bearer settings for applications based on IP
// Set the connection type to GPRS
sendAT(GF("+SAPBR=3,1,\"Contype\",\"GPRS\""));
waitResponse();
// Set the APN
sendAT(GF("+SAPBR=3,1,\"APN\",\""), apn, '"');
waitResponse();
// Set the user name
if (user && strlen(user) > 0) {
sendAT(GF("+SAPBR=3,1,\"USER\",\""), user, '"');
waitResponse();
}
// Set the password
if (pwd && strlen(pwd) > 0) {
sendAT(GF("+SAPBR=3,1,\"PWD\",\""), pwd, '"');
waitResponse();
}
// Define the PDP context
sendAT(GF("+CGDCONT=1,\"IP\",\""), apn, '"');
waitResponse();
// Activate the PDP context
sendAT(GF("+CGACT=1,1"));
waitResponse(60000L);
// Open the definied GPRS bearer context
sendAT(GF("+SAPBR=1,1"));
waitResponse(85000L);
// Query the GPRS bearer context status
sendAT(GF("+SAPBR=2,1"));
if (waitResponse(30000L) != 1) { return false; }
// Attach to GPRS
sendAT(GF("+CGATT=1"));
if (waitResponse(60000L) != 1) { return false; }
// Set to multi-IP
sendAT(GF("+CIPMUX=1"));
if (waitResponse() != 1) { return false; }
// Put in "quick send" mode (thus no extra "Send OK")
sendAT(GF("+CIPQSEND=1"));
if (waitResponse() != 1) { return false; }
// Set to get data manually
sendAT(GF("+CIPRXGET=1"));
if (waitResponse() != 1) { return false; }
// Start Task and Set APN, USER NAME, PASSWORD
sendAT(GF("+CSTT=\""), apn, GF("\",\""), user, GF("\",\""), pwd, GF("\""));
if (waitResponse(60000L) != 1) { return false; }
// Bring Up Wireless Connection with GPRS or CSD
sendAT(GF("+CIICR"));
if (waitResponse(60000L) != 1) { return false; }
// Get Local IP Address, only assigned after connection
sendAT(GF("+CIFSR;E0"));
if (waitResponse(10000L) != 1) { return false; }
// Configure Domain Name Server (DNS)
sendAT(GF("+CDNSCFG=\"8.8.8.8\",\"8.8.4.4\""));
if (waitResponse() != 1) { return false; }
return true;
}
bool gprsDisconnectImpl() {
// Shut the TCP/IP connection
// CIPSHUT will close *all* open connections
sendAT(GF("+CIPSHUT"));
if (waitResponse(60000L) != 1) { return false; }
sendAT(GF("+CGATT=0")); // Detach from GPRS
if (waitResponse(60000L) != 1) { return false; }
return true;
}
String getProviderImpl() {
sendAT(GF("+CSPN?"));
if (waitResponse(GF("+CSPN:")) != 1) { return ""; }
streamSkipUntil('"'); /* Skip mode and format */
String res = stream.readStringUntil('"');
waitResponse();
return res;
}
/*
* SIM card functions
*/
protected:
// May not return the "+CCID" before the number
String getSimCCIDImpl() {
sendAT(GF("+CCID"));
if (waitResponse(GF(AT_NL)) != 1) { return ""; }
String res = stream.readStringUntil('\n');
waitResponse();
// Trim out the CCID header in case it is there
res.replace("CCID:", "");
res.trim();
return res;
}
/*
* Phone Call functions
*/
public:
bool setGsmBusy(bool busy = true) {
sendAT(GF("+GSMBUSY="), busy ? 1 : 0);
return waitResponse() == 1;
}
/*
* Audio functions
*/
public:
bool setVolume(uint8_t volume = 50) {
// Set speaker volume
sendAT(GF("+CLVL="), volume);
return waitResponse() == 1;
}
uint8_t getVolume() {
// Get speaker volume
sendAT(GF("+CLVL?"));
if (waitResponse(GF(AT_NL)) != 1) { return 0; }
String res = stream.readStringUntil('\n');
waitResponse();
res.replace("+CLVL:", "");
res.trim();
return res.toInt();
}
bool setMicVolume(uint8_t channel, uint8_t level) {
if (channel > 4) { return 0; }
sendAT(GF("+CMIC="), level);
return waitResponse() == 1;
}
bool setAudioChannel(uint8_t channel) {
sendAT(GF("+CHFA="), channel);
return waitResponse() == 1;
}
bool playToolkitTone(uint8_t tone, uint32_t duration) {
sendAT(GF("STTONE="), 1, tone);
delay(duration);
sendAT(GF("STTONE="), 0);
return waitResponse();
}
/*
* Text messaging (SMS) functions
*/
// Follows all text messaging (SMS) functions as inherited from TinyGsmSMS.tpp
/*
* GSM Location functions
*/
// Depending on the exacty model and firmware revision, should return a
// GSM-based location from CLBS as as inherited from TinyGsmGSMLocation.tpp
// TODO(?): Check number of digits in year (2 or 4)
/*
* GPS/GNSS/GLONASS location functions
*/
// No functions of this type supported
/*
* Time functions
*/
// Follows all clock functions as inherited from TinyGsmTime.tpp
/*
* NTP server functions
*/
// Follows all NTP server functions as inherited from TinyGsmNTP.tpp
/*
* BLE functions
*/
// No functions of this type supported
/*
* Battery functions
*/
// Follows all battery functions as inherited from TinyGsmBattery.tpp
/*
* Temperature functions
*/
// No functions of this type supported
/*
* Client related functions
*/
protected:
bool modemConnect(const char* host, uint16_t port, uint8_t mux,
bool ssl = false, int timeout_s = 75) {
int8_t rsp;
uint32_t timeout_ms = ((uint32_t)timeout_s) * 1000;
#if !defined(TINY_GSM_MODEM_SIM900)
sendAT(GF("+CIPSSL="), ssl);
rsp = waitResponse();
if (ssl && rsp != 1) { return false; }
#ifdef TINY_GSM_SSL_CLIENT_AUTHENTICATION
// set SSL options
// +SSLOPT=<opt>,<enable>
// <opt>
// 0 (default) ignore invalid certificate
// 1 client authentication
// <enable>
// 0 (default) close
// 1 open
sendAT(GF("+CIPSSL=1,1"));
if (waitResponse() != 1) return false;
#endif
#endif
sendAT(GF("+CIPSTART="), mux, ',', GF("\"TCP"), GF("\",\""), host,
GF("\","), port);
rsp = waitResponse(
timeout_ms, GF("CONNECT OK" AT_NL), GF("CONNECT FAIL" AT_NL),
GF("ALREADY CONNECT" AT_NL), GF("ERROR" AT_NL),
GF("CLOSE OK" AT_NL)); // Happens when HTTPS handshake fails
return (1 == rsp);
}
int16_t modemSend(const void* buff, size_t len, uint8_t mux) {
sendAT(GF("+CIPSEND="), mux, ',', (uint16_t)len);
if (waitResponse(GF(">")) != 1) { return 0; }
stream.write(reinterpret_cast<const uint8_t*>(buff), len);
stream.flush();
if (waitResponse(GF(AT_NL "DATA ACCEPT:")) != 1) { return 0; }
streamSkipUntil(','); // Skip mux
return streamGetIntBefore('\n');
}
size_t modemRead(size_t size, uint8_t mux) {
if (!sockets[mux]) return 0;
#ifdef TINY_GSM_USE_HEX
sendAT(GF("+CIPRXGET=3,"), mux, ',', (uint16_t)size);
if (waitResponse(GF("+CIPRXGET:")) != 1) { return 0; }
#else
sendAT(GF("+CIPRXGET=2,"), mux, ',', (uint16_t)size);
if (waitResponse(GF("+CIPRXGET:")) != 1) { return 0; }
#endif
streamSkipUntil(','); // Skip Rx mode 2/normal or 3/HEX
streamSkipUntil(','); // Skip mux
int16_t len_requested = streamGetIntBefore(',');
// ^^ Requested number of data bytes (1-1460 bytes)to be read
int16_t len_confirmed = streamGetIntBefore('\n');
// ^^ Confirmed number of data bytes to be read, which may be less than
// requested. 0 indicates that no data can be read.
// SRGD NOTE: Contrary to above (which is copied from AT command manual)
// this is actually be the number of bytes that will be remaining in the
// buffer after the read.
for (int i = 0; i < len_requested; i++) {
uint32_t startMillis = millis();
#ifdef TINY_GSM_USE_HEX
while (stream.available() < 2 &&
(millis() - startMillis < sockets[mux]->_timeout)) {
TINY_GSM_YIELD();
}
char buf[4] = {
0,
};
buf[0] = stream.read();
buf[1] = stream.read();
char c = strtol(buf, nullptr, 16);
#else
while (!stream.available() &&
(millis() - startMillis < sockets[mux]->_timeout)) {
TINY_GSM_YIELD();
}
char c = stream.read();
#endif
sockets[mux]->rx.put(c);
}
// DBG("### READ:", len_requested, "from", mux);
// sockets[mux]->sock_available = modemGetAvailable(mux);
sockets[mux]->sock_available = len_confirmed;
waitResponse();
return len_requested;
}
size_t modemGetAvailable(uint8_t mux) {
if (!sockets[mux]) return 0;
sendAT(GF("+CIPRXGET=4,"), mux);
size_t result = 0;
if (waitResponse(GF("+CIPRXGET:")) == 1) {
streamSkipUntil(','); // Skip mode 4
streamSkipUntil(','); // Skip mux
result = streamGetIntBefore('\n');
waitResponse();
}
// DBG("### Available:", result, "on", mux);
if (!result) { sockets[mux]->sock_connected = modemGetConnected(mux); }
return result;
}
bool modemGetConnected(uint8_t mux) {
sendAT(GF("+CIPSTATUS="), mux);
waitResponse(GF("+CIPSTATUS"));
int8_t res = waitResponse(GF(",\"CONNECTED\""), GF(",\"CLOSED\""),
GF(",\"CLOSING\""), GF(",\"REMOTE CLOSING\""),
GF(",\"INITIAL\""));
waitResponse();
return 1 == res;
}
/*
* Utilities
*/
public:
bool handleURCs(String& data) {
if (data.endsWith(GF(AT_NL "+CIPRXGET:"))) {
int8_t mode = streamGetIntBefore(',');
if (mode == 1) {
int8_t mux = streamGetIntBefore('\n');
if (mux >= 0 && mux < TINY_GSM_MUX_COUNT && sockets[mux]) {
sockets[mux]->got_data = true;
}
data = "";
// DBG("### Got Data:", mux);
return true;
} else {
data += mode;
return false;
}
} else if (data.endsWith(GF(AT_NL "+RECEIVE:"))) {
int8_t mux = streamGetIntBefore(',');
int16_t len = streamGetIntBefore('\n');
if (mux >= 0 && mux < TINY_GSM_MUX_COUNT && sockets[mux]) {
sockets[mux]->got_data = true;
if (len >= 0 && len <= 1024) { sockets[mux]->sock_available = len; }
}
data = "";
// DBG("### Got Data:", len, "on", mux);
return true;
} else if (data.endsWith(GF("CLOSED" AT_NL))) {
int8_t nl = data.lastIndexOf(AT_NL, data.length() - 8);
int8_t coma = data.indexOf(',', nl + 2);
int8_t mux = data.substring(nl + 2, coma).toInt();
if (mux >= 0 && mux < TINY_GSM_MUX_COUNT && sockets[mux]) {
sockets[mux]->sock_connected = false;
}
data = "";
DBG("### Closed: ", mux);
return true;
} else if (data.endsWith(GF("*PSNWID:"))) {
streamSkipUntil('\n'); // Refresh network name by network
data = "";
DBG("### Network name updated.");
return true;
} else if (data.endsWith(GF("*PSUTTZ:"))) {
streamSkipUntil('\n'); // Refresh time and time zone by network
data = "";
DBG("### Network time and time zone updated.");
return true;
} else if (data.endsWith(GF("+CTZV:"))) {
streamSkipUntil('\n'); // Refresh network time zone by network
data = "";
DBG("### Network time zone updated.");
return true;
} else if (data.endsWith(GF("DST:"))) {
streamSkipUntil('\n'); // Refresh Network Daylight Saving Time by network
data = "";
DBG("### Daylight savings time state updated.");
return true;
}
return false;
}
public:
Stream& stream;
protected:
GsmClientSim800* sockets[TINY_GSM_MUX_COUNT];
};
#endif // SRC_TINYGSMCLIENTSIM800_H_