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TinyGSM_Senseright/src/TinyGsmClientBG96.h

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/**
* @file TinyGsmClientBG96.h
* @author Volodymyr Shymanskyy
* @license LGPL-3.0
* @copyright Copyright (c) 2016 Volodymyr Shymanskyy
* @date Apr 2018
*/
#ifndef SRC_TINYGSMCLIENTBG96_H_
#define SRC_TINYGSMCLIENTBG96_H_
// #pragma message("TinyGSM: TinyGsmClientBG96")
// #define TINY_GSM_DEBUG Serial
#define TINY_GSM_MUX_COUNT 12
#include "TinyGsmCommon.h"
#define GSM_NL "\r\n"
static const char GSM_OK[] TINY_GSM_PROGMEM = "OK" GSM_NL;
static const char GSM_ERROR[] TINY_GSM_PROGMEM = "ERROR" GSM_NL;
static const char GSM_CME_ERROR[] TINY_GSM_PROGMEM = GSM_NL "+CME ERROR:";
enum RegStatus {
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 TinyGsmBG96
: public TinyGsmModem<TinyGsmBG96, READ_AND_CHECK_SIZE, TINY_GSM_MUX_COUNT> {
friend class TinyGsmModem<TinyGsmBG96, READ_AND_CHECK_SIZE, TINY_GSM_MUX_COUNT>;
/*
* Inner Client
*/
public:
class GsmClientBG96 : public GsmClient {
friend class TinyGsmBG96;
public:
GsmClientBG96() {}
explicit GsmClientBG96(TinyGsmBG96& modem, uint8_t mux = 1) {
init(&modem, mux);
}
bool init(TinyGsmBG96* modem, uint8_t mux = 1) {
this->at = modem;
this->mux = mux;
sock_available = 0;
prev_check = 0;
sock_connected = false;
got_data = false;
at->sockets[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;
}
int connect(IPAddress ip, uint16_t port, int timeout_s) {
return connect(TinyGsmStringFromIp(ip).c_str(), port, timeout_s);
}
int connect(const char* host, uint16_t port) override {
return connect(host, port, 75);
}
int connect(IPAddress ip, uint16_t port) override {
return connect(ip, port, 75);
}
void stop(uint32_t maxWaitMs) {
dumpModemBuffer(maxWaitMs);
at->sendAT(GF("+QICLOSE="), mux);
sock_connected = false;
at->waitResponse();
}
void stop() override {
stop(15000L);
}
/*
* Extended API
*/
String remoteIP() TINY_GSM_ATTR_NOT_IMPLEMENTED;
};
/*
* Inner Secure Client
*/
/*
class GsmClientSecureBG96 : public GsmClientBG96
{
public:
GsmClientSecure() {}
GsmClientSecure(TinyGsmBG96& modem, uint8_t mux = 1)
: public GsmClient(modem, mux)
{}
public:
int connect(const char* host, uint16_t port, int timeout_s) {
stop();
TINY_GSM_YIELD();
rx.clear();
sock_connected = at->modemConnect(host, port, mux, true, timeout_s);
return sock_connected;
}
};
*/
/*
* Constructor
*/
public:
explicit TinyGsmBG96(Stream& stream) : stream(stream) {
memset(sockets, 0, sizeof(sockets));
}
/*
* Basic functions
*/
protected:
bool initImpl(const char* pin = NULL) {
DBG(GF("### TinyGSM Version:"), TINYGSM_VERSION);
if (!testAT()) { return false; }
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 automatic time zone update
sendAT(GF("+CTZU=1"));
if (waitResponse(10000L) != 1) { return false; }
int ret = getSimStatus();
// if the sim isn't ready and a pin has been provided, try to unlock the sim
if (ret != SIM_READY && pin != NULL && 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 thisHasSSL() {
return false; // TODO(?): Add SSL support
}
bool thisHasWifi() {
return false;
}
bool thisHasGPRS() {
return true;
}
/*
* Power functions
*/
protected:
bool restartImpl() {
if (!testAT()) { return false; }
sendAT(GF("+CFUN=1,1"));
if (waitResponse(60000L, GF("POWERED DOWN")) != 1) { return false; }
waitResponse(5000L, GF("RDY"));
return init();
}
bool powerOffImpl() {
sendAT(GF("+QPOWD=1"));
waitResponse(300); // returns OK first
return waitResponse(300, GF("POWERED DOWN")) == 1;
}
// When entering into sleep mode is enabled, DTR is pulled up, and WAKEUP_IN
// is pulled up, the module can directly enter into sleep mode.If entering
// into sleep mode is enabled, DTR is pulled down, and WAKEUP_IN is pulled
// down, there is a need to pull the DTR pin and the WAKEUP_IN pin up first,
// and then the module can enter into sleep mode.
bool sleepEnableImpl(bool enable = true) {
sendAT(GF("+QSCLK="), enable);
return waitResponse() == 1;
}
/*
* SIM card functions
*/
protected:
String getSimCCIDImpl() {
sendAT(GF("+QCCID"));
if (waitResponse(GF(GSM_NL "+QCCID:")) != 1) { return ""; }
String res = stream.readStringUntil('\n');
waitResponse();
res.trim();
return res;
}
/*
* Generic network functions
*/
public:
RegStatus getRegistrationStatus() {
return (RegStatus)getRegistrationStatusXREG("CREG");
}
protected:
bool isNetworkConnectedImpl() {
RegStatus s = getRegistrationStatus();
return (s == REG_OK_HOME || s == REG_OK_ROAMING);
}
/*
* GPRS functions
*/
protected:
bool gprsConnectImpl(const char* apn, const char* user = NULL,
const char* pwd = NULL) {
gprsDisconnect();
// Configure the TCPIP Context
sendAT(GF("+QICSGP=1,1,\""), apn, GF("\",\""), user, GF("\",\""), pwd,
GF("\""));
if (waitResponse() != 1) { return false; }
// Activate GPRS/CSD Context
sendAT(GF("+QIACT=1"));
if (waitResponse(150000L) != 1) { return false; }
// Attach to Packet Domain service - is this necessary?
sendAT(GF("+CGATT=1"));
if (waitResponse(60000L) != 1) { return false; }
return true;
}
bool gprsDisconnectImpl() {
sendAT(GF("+QIDEACT=1")); // Deactivate the bearer context
if (waitResponse(40000L) != 1) { return false; }
return true;
}
/*
* IP Address functions
*/
protected:
// Can follow all of the IP functions from the template
/*
* Phone Call functions
*/
protected:
// Can follow all of the phone call functions from the template
/*
* Messaging functions
*/
protected:
// Follows all messaging functions per template
/*
* Location functions
*/
protected:
String getGsmLocationImpl() TINY_GSM_ATTR_NOT_AVAILABLE;
/*
* GPS location functions
*/
public:
// No functions of this type supported
/*
* Time functions
*/
protected:
// Can follow the standard CCLK function in the template
/*
* Battery & temperature functions
*/
protected:
float getTemperatureImpl() TINY_GSM_ATTR_NOT_AVAILABLE;
/*
* Client related functions
*/
protected:
bool modemConnect(const char* host, uint16_t port, uint8_t mux,
bool ssl = false, int timeout_s = 20) {
if (ssl) { DBG("SSL not yet supported on this module!"); }
int rsp;
uint32_t timeout_ms = ((uint32_t)timeout_s) * 1000;
// <PDPcontextID>(1-16), <connectID>(0-11),
// "TCP/UDP/TCP LISTENER/UDPSERVICE", "<IP_address>/<domain_name>",
// <remote_port>,<local_port>,<access_mode>(0-2; 0=buffer)
sendAT(GF("+QIOPEN=1,"), mux, GF(",\""), GF("TCP"), GF("\",\""), host,
GF("\","), port, GF(",0,0"));
waitResponse();
if (waitResponse(timeout_ms, GF(GSM_NL "+QIOPEN:")) != 1) { return false; }
if (stream.readStringUntil(',').toInt() != mux) { return false; }
// Read status
rsp = stream.readStringUntil('\n').toInt();
return (0 == rsp);
}
int16_t modemSend(const void* buff, size_t len, uint8_t mux) {
sendAT(GF("+QISEND="), mux, ',', (uint16_t)len);
if (waitResponse(GF(">")) != 1) { return 0; }
stream.write(reinterpret_cast<const uint8_t*>(buff), len);
stream.flush();
if (waitResponse(GF(GSM_NL "SEND OK")) != 1) { return 0; }
// TODO(?): Wait for ACK? AT+QISEND=id,0
return len;
}
size_t modemRead(size_t size, uint8_t mux) {
sendAT(GF("+QIRD="), mux, ',', (uint16_t)size);
if (waitResponse(GF("+QIRD:")) != 1) { return 0; }
int len = stream.readStringUntil('\n').toInt();
for (int i = 0; i < len; i++) { moveCharFromStreamToFifo(mux); }
waitResponse();
DBG("### READ:", len, "from", mux);
sockets[mux]->sock_available = modemGetAvailable(mux);
return len;
}
size_t modemGetAvailable(uint8_t mux) {
sendAT(GF("+QIRD="), mux, GF(",0"));
size_t result = 0;
if (waitResponse(GF("+QIRD:")) == 1) {
streamSkipUntil(','); // Skip total received
streamSkipUntil(','); // Skip have read
result = stream.readStringUntil('\n').toInt();
if (result) { DBG("### DATA AVAILABLE:", result, "on", mux); }
waitResponse();
}
if (!result) { sockets[mux]->sock_connected = modemGetConnected(mux); }
return result;
}
bool modemGetConnected(uint8_t mux) {
sendAT(GF("+QISTATE=1,"), mux);
// +QISTATE: 0,"TCP","151.139.237.11",80,5087,4,1,0,0,"uart1"
if (waitResponse(GF("+QISTATE:")) != 1) { return false; }
streamSkipUntil(','); // Skip mux
streamSkipUntil(','); // Skip socket type
streamSkipUntil(','); // Skip remote ip
streamSkipUntil(','); // Skip remote port
streamSkipUntil(','); // Skip local port
int res = stream.readStringUntil(',').toInt(); // socket state
waitResponse();
// 0 Initial, 1 Opening, 2 Connected, 3 Listening, 4 Closing
return 2 == res;
}
/*
* Utilities
*/
public:
// TODO(vshymanskyy): Optimize this!
uint8_t waitResponse(uint32_t timeout_ms, String& data,
GsmConstStr r1 = GFP(GSM_OK),
GsmConstStr r2 = GFP(GSM_ERROR),
GsmConstStr r3 = GFP(GSM_CME_ERROR),
GsmConstStr r4 = NULL, GsmConstStr r5 = NULL) {
/*String r1s(r1); r1s.trim();
String r2s(r2); r2s.trim();
String r3s(r3); r3s.trim();
String r4s(r4); r4s.trim();
String r5s(r5); r5s.trim();
DBG("### ..:", r1s, ",", r2s, ",", r3s, ",", r4s, ",", r5s);*/
data.reserve(64);
uint8_t index = 0;
uint32_t startMillis = millis();
do {
TINY_GSM_YIELD();
while (stream.available() > 0) {
TINY_GSM_YIELD();
int a = stream.read();
if (a <= 0) continue; // Skip 0x00 bytes, just in case
data += static_cast<char>(a);
if (r1 && data.endsWith(r1)) {
index = 1;
goto finish;
} else if (r2 && data.endsWith(r2)) {
index = 2;
goto finish;
} else if (r3 && data.endsWith(r3)) {
index = 3;
goto finish;
} else if (r4 && data.endsWith(r4)) {
index = 4;
goto finish;
} else if (r5 && data.endsWith(r5)) {
index = 5;
goto finish;
} else if (data.endsWith(GF(GSM_NL "+QIURC:"))) {
stream.readStringUntil('\"');
String urc = stream.readStringUntil('\"');
stream.readStringUntil(',');
if (urc == "recv") {
int mux = stream.readStringUntil('\n').toInt();
DBG("### URC RECV:", mux);
if (mux >= 0 && mux < TINY_GSM_MUX_COUNT && sockets[mux]) {
sockets[mux]->got_data = true;
}
} else if (urc == "closed") {
int mux = stream.readStringUntil('\n').toInt();
DBG("### URC CLOSE:", mux);
if (mux >= 0 && mux < TINY_GSM_MUX_COUNT && sockets[mux]) {
sockets[mux]->sock_connected = false;
}
} else {
stream.readStringUntil('\n');
}
data = "";
}
}
} while (millis() - startMillis < timeout_ms);
finish:
if (!index) {
data.trim();
if (data.length()) { DBG("### Unhandled:", data); }
data = "";
}
// data.replace(GSM_NL, "/");
// DBG('<', index, '>', data);
return index;
}
uint8_t waitResponse(uint32_t timeout_ms, GsmConstStr r1 = GFP(GSM_OK),
GsmConstStr r2 = GFP(GSM_ERROR),
GsmConstStr r3 = GFP(GSM_CME_ERROR),
GsmConstStr r4 = NULL, GsmConstStr r5 = NULL) {
String data;
return waitResponse(timeout_ms, data, r1, r2, r3, r4, r5);
}
uint8_t waitResponse(GsmConstStr r1 = GFP(GSM_OK),
GsmConstStr r2 = GFP(GSM_ERROR),
GsmConstStr r3 = GFP(GSM_CME_ERROR),
GsmConstStr r4 = NULL, GsmConstStr r5 = NULL) {
return waitResponse(1000, r1, r2, r3, r4, r5);
}
protected:
Stream& stream;
GsmClientBG96* sockets[TINY_GSM_MUX_COUNT];
const char* gsmNL = GSM_NL;
};
#endif // SRC_TINYGSMCLIENTBG96_H_