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456 lines
12 KiB
456 lines
12 KiB
/**
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* @file TinyGsmClientM590.h
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* @author Volodymyr Shymanskyy
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* @license LGPL-3.0
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* @copyright Copyright (c) 2016 Volodymyr Shymanskyy
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* @date Nov 2016
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*/
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#ifndef SRC_TINYGSMCLIENTM590_H_
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#define SRC_TINYGSMCLIENTM590_H_
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// #pragma message("TinyGSM: TinyGsmClientM590")
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// #define TINY_GSM_DEBUG Serial
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#define TINY_GSM_MUX_COUNT 2
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#define TINY_GSM_NO_MODEM_BUFFER
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#include "TinyGsmGPRS.tpp"
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#include "TinyGsmModem.tpp"
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#include "TinyGsmSMS.tpp"
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#include "TinyGsmTCP.tpp"
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#include "TinyGsmTime.tpp"
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#define GSM_NL "\r\n"
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static const char GSM_OK[] TINY_GSM_PROGMEM = "OK" GSM_NL;
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static const char GSM_ERROR[] TINY_GSM_PROGMEM = "ERROR" GSM_NL;
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#if defined TINY_GSM_DEBUG
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static const char GSM_CME_ERROR[] TINY_GSM_PROGMEM = GSM_NL "+CME ERROR:";
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#endif
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enum RegStatus {
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REG_NO_RESULT = -1,
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REG_UNREGISTERED = 0,
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REG_SEARCHING = 3,
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REG_DENIED = 2,
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REG_OK_HOME = 1,
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REG_OK_ROAMING = 5,
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REG_UNKNOWN = 4,
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};
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class TinyGsmM590 : public TinyGsmModem<TinyGsmM590>,
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public TinyGsmGPRS<TinyGsmM590>,
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public TinyGsmTCP<TinyGsmM590, TINY_GSM_MUX_COUNT>,
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public TinyGsmSMS<TinyGsmM590>,
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public TinyGsmTime<TinyGsmM590> {
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friend class TinyGsmModem<TinyGsmM590>;
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friend class TinyGsmGPRS<TinyGsmM590>;
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friend class TinyGsmTCP<TinyGsmM590, TINY_GSM_MUX_COUNT>;
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friend class TinyGsmSMS<TinyGsmM590>;
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friend class TinyGsmTime<TinyGsmM590>;
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/*
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* Inner Client
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*/
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public:
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class GsmClientM590 : public GsmClient {
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friend class TinyGsmM590;
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public:
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GsmClientM590() {}
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explicit GsmClientM590(TinyGsmM590& modem, uint8_t mux = 1) {
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init(&modem, mux);
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}
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bool init(TinyGsmM590* modem, uint8_t mux = 1) {
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this->at = modem;
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this->mux = mux;
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sock_connected = false;
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at->sockets[mux] = this;
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return true;
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}
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public:
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int connect(const char* host, uint16_t port, int timeout_s) {
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stop();
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TINY_GSM_YIELD();
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rx.clear();
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sock_connected = at->modemConnect(host, port, mux, false, timeout_s);
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return sock_connected;
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}
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TINY_GSM_CLIENT_CONNECT_OVERRIDES
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virtual void stop(uint32_t maxWaitMs) {
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TINY_GSM_YIELD();
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at->sendAT(GF("+TCPCLOSE="), mux);
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sock_connected = false;
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at->waitResponse(maxWaitMs);
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rx.clear();
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}
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void stop() override {
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stop(1000L);
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}
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/*
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* Extended API
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*/
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String remoteIP() TINY_GSM_ATTR_NOT_IMPLEMENTED;
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};
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/*
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* Constructor
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*/
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public:
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explicit TinyGsmM590(Stream& stream) : stream(stream) {
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memset(sockets, 0, sizeof(sockets));
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}
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/*
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* Basic functions
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*/
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protected:
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bool initImpl(const char* pin = NULL) {
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DBG(GF("### TinyGSM Version:"), TINYGSM_VERSION);
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if (!testAT()) { return false; }
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sendAT(GF("E0")); // Echo Off
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if (waitResponse() != 1) { return false; }
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#ifdef TINY_GSM_DEBUG
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sendAT(GF("+CMEE=2")); // turn on verbose error codes
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#else
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sendAT(GF("+CMEE=0")); // turn off error codes
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#endif
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waitResponse();
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DBG(GF("### Modem:"), getModemName());
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SimStatus ret = getSimStatus();
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// if the sim isn't ready and a pin has been provided, try to unlock the sim
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if (ret != SIM_READY && pin != NULL && strlen(pin) > 0) {
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simUnlock(pin);
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return (getSimStatus() == SIM_READY);
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} else {
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// if the sim is ready, or it's locked but no pin has been provided,
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// return true
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return (ret == SIM_READY || ret == SIM_LOCKED);
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}
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}
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// Doesn't support CGMI
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String getModemNameImpl() {
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return "Neoway M590";
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}
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// Extra stuff here - pwr save, internal stack
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bool factoryDefaultImpl() {
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sendAT(GF("&FZE0&W")); // Factory + Reset + Echo Off + Write
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waitResponse();
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sendAT(GF("+ICF=3,1")); // 8 data 0 parity 1 stop
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waitResponse();
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sendAT(GF("+ENPWRSAVE=0")); // Disable PWR save
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waitResponse();
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sendAT(GF("+XISP=0")); // Use internal stack
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waitResponse();
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sendAT(GF("&W")); // Write configuration
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return waitResponse() == 1;
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}
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/*
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* Power functions
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*/
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protected:
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bool restartImpl() {
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if (!testAT()) { return false; }
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sendAT(GF("+CFUN=15"));
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if (waitResponse(10000L) != 1) { return false; }
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// MODEM:STARTUP
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waitResponse(60000L, GF(GSM_NL "+PBREADY" GSM_NL));
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return init();
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}
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bool powerOffImpl() {
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sendAT(GF("+CPWROFF"));
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return waitResponse(3000L) == 1;
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}
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bool sleepEnableImpl(bool enable = true) {
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sendAT(GF("+ENPWRSAVE="), enable);
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return waitResponse() == 1;
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}
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/*
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* Generic network functions
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*/
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public:
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RegStatus getRegistrationStatus() {
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return (RegStatus)getRegistrationStatusXREG("CREG");
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}
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protected:
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bool isNetworkConnectedImpl() {
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RegStatus s = getRegistrationStatus();
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return (s == REG_OK_HOME || s == REG_OK_ROAMING);
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}
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String getLocalIPImpl() {
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sendAT(GF("+XIIC?"));
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if (waitResponse(GF(GSM_NL "+XIIC:")) != 1) { return ""; }
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streamSkipUntil(',');
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String res = stream.readStringUntil('\n');
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waitResponse();
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res.trim();
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return res;
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}
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/*
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* GPRS functions
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*/
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protected:
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bool gprsConnectImpl(const char* apn, const char* user = NULL,
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const char* pwd = NULL) {
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gprsDisconnect();
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sendAT(GF("+XISP=0"));
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waitResponse();
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sendAT(GF("+CGDCONT=1,\"IP\",\""), apn, '"');
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waitResponse();
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if (!user) user = "";
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if (!pwd) pwd = "";
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sendAT(GF("+XGAUTH=1,1,\""), user, GF("\",\""), pwd, GF("\""));
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waitResponse();
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sendAT(GF("+XIIC=1"));
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waitResponse();
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const uint32_t timeout_ms = 60000L;
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for (uint32_t start = millis(); millis() - start < timeout_ms;) {
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if (isGprsConnected()) {
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// goto set_dns; // TODO
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return true;
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}
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delay(500);
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}
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return false;
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// set_dns: // TODO
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// sendAT(GF("+DNSSERVER=1,8.8.8.8"));
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// waitResponse();
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//
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// sendAT(GF("+DNSSERVER=2,8.8.4.4"));
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// waitResponse();
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return true;
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}
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bool gprsDisconnectImpl() {
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// TODO(?): There is no command in AT command set
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// XIIC=0 does not work
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return true;
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}
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bool isGprsConnectedImpl() {
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sendAT(GF("+XIIC?"));
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if (waitResponse(GF(GSM_NL "+XIIC:")) != 1) { return false; }
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int8_t res = streamGetIntBefore(',');
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waitResponse();
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return res == 1;
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}
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/*
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* SIM card functions
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*/
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protected:
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// Able to follow all SIM card functions as inherited from the template
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/*
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* Messaging functions
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*/
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protected:
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bool sendSMS_UTF16Impl(const String& number, const void* text,
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size_t len) TINY_GSM_ATTR_NOT_AVAILABLE;
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/*
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* Time functions
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*/
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protected:
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// Can follow the standard CCLK function in the template
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/*
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* Client related functions
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*/
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protected:
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bool modemConnect(const char* host, uint16_t port, uint8_t mux, bool,
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int timeout_s = 75) {
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uint32_t timeout_ms = ((uint32_t)timeout_s) * 1000;
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for (int i = 0; i < 3; i++) { // TODO(?): no need for loop?
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String ip = dnsIpQuery(host);
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sendAT(GF("+TCPSETUP="), mux, GF(","), ip, GF(","), port);
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int8_t rsp = waitResponse(timeout_ms, GF(",OK" GSM_NL),
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GF(",FAIL" GSM_NL),
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GF("+TCPSETUP:Error" GSM_NL));
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if (1 == rsp) {
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return true;
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} else if (3 == rsp) {
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sendAT(GF("+TCPCLOSE="), mux);
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waitResponse();
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}
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delay(1000);
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}
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return false;
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}
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int16_t modemSend(const void* buff, size_t len, uint8_t mux) {
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sendAT(GF("+TCPSEND="), mux, ',', (uint16_t)len);
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if (waitResponse(GF(">")) != 1) { return 0; }
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stream.write(reinterpret_cast<const uint8_t*>(buff), len);
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stream.write(static_cast<char>(0x0D));
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stream.flush();
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if (waitResponse(30000L, GF(GSM_NL "+TCPSEND:")) != 1) { return 0; }
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streamSkipUntil('\n');
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return len;
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}
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bool modemGetConnected(uint8_t mux) {
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sendAT(GF("+CIPSTATUS="), mux);
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int8_t res = waitResponse(GF(",\"CONNECTED\""), GF(",\"CLOSED\""),
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GF(",\"CLOSING\""), GF(",\"INITIAL\""));
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waitResponse();
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return 1 == res;
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}
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String dnsIpQuery(const char* host) {
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sendAT(GF("+DNS=\""), host, GF("\""));
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if (waitResponse(10000L, GF(GSM_NL "+DNS:")) != 1) { return ""; }
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String res = stream.readStringUntil('\n');
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waitResponse(GF("+DNS:OK" GSM_NL));
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res.trim();
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return res;
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}
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/*
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* Utilities
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*/
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public:
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// TODO(vshymanskyy): Optimize this!
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int8_t waitResponse(uint32_t timeout_ms, String& data,
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GsmConstStr r1 = GFP(GSM_OK),
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GsmConstStr r2 = GFP(GSM_ERROR),
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#if defined TINY_GSM_DEBUG
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GsmConstStr r3 = GFP(GSM_CME_ERROR),
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#else
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GsmConstStr r3 = NULL,
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#endif
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GsmConstStr r4 = NULL, GsmConstStr r5 = NULL) {
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/*String r1s(r1); r1s.trim();
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String r2s(r2); r2s.trim();
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String r3s(r3); r3s.trim();
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String r4s(r4); r4s.trim();
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String r5s(r5); r5s.trim();
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DBG("### ..:", r1s, ",", r2s, ",", r3s, ",", r4s, ",", r5s);*/
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data.reserve(64);
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uint8_t index = 0;
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uint32_t startMillis = millis();
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do {
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TINY_GSM_YIELD();
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while (stream.available() > 0) {
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TINY_GSM_YIELD();
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int8_t a = stream.read();
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if (a <= 0) continue; // Skip 0x00 bytes, just in case
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data += static_cast<char>(a);
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if (r1 && data.endsWith(r1)) {
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index = 1;
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goto finish;
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} else if (r2 && data.endsWith(r2)) {
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index = 2;
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goto finish;
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} else if (r3 && data.endsWith(r3)) {
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#if defined TINY_GSM_DEBUG
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if (r3 == GFP(GSM_CME_ERROR)) {
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streamSkipUntil('\n'); // Read out the error
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}
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#endif
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index = 3;
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goto finish;
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} else if (r4 && data.endsWith(r4)) {
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index = 4;
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goto finish;
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} else if (r5 && data.endsWith(r5)) {
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index = 5;
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goto finish;
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} else if (data.endsWith(GF("+TCPRECV:"))) {
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int8_t mux = streamGetIntBefore(',');
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int16_t len = streamGetIntBefore(',');
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int16_t len_orig = len;
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if (len > sockets[mux]->rx.free()) {
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DBG("### Buffer overflow: ", len, "->", sockets[mux]->rx.free());
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} else {
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DBG("### Got: ", len, "->", sockets[mux]->rx.free());
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}
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while (len--) { moveCharFromStreamToFifo(mux); }
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// TODO(?): Handle lost characters
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if (len_orig > sockets[mux]->available()) {
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DBG("### Fewer characters received than expected: ",
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sockets[mux]->available(), " vs ", len_orig);
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}
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data = "";
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} else if (data.endsWith(GF("+TCPCLOSE:"))) {
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int8_t mux = streamGetIntBefore(',');
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streamSkipUntil('\n');
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if (mux >= 0 && mux < TINY_GSM_MUX_COUNT) {
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sockets[mux]->sock_connected = false;
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}
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data = "";
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DBG("### Closed: ", mux);
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}
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}
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} while (millis() - startMillis < timeout_ms);
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finish:
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if (!index) {
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data.trim();
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if (data.length()) { DBG("### Unhandled:", data); }
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data = "";
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}
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// data.replace(GSM_NL, "/");
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// DBG('<', index, '>', data);
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return index;
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}
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int8_t waitResponse(uint32_t timeout_ms, GsmConstStr r1 = GFP(GSM_OK),
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GsmConstStr r2 = GFP(GSM_ERROR),
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#if defined TINY_GSM_DEBUG
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GsmConstStr r3 = GFP(GSM_CME_ERROR),
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#else
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GsmConstStr r3 = NULL,
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#endif
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GsmConstStr r4 = NULL, GsmConstStr r5 = NULL) {
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String data;
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return waitResponse(timeout_ms, data, r1, r2, r3, r4, r5);
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}
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int8_t waitResponse(GsmConstStr r1 = GFP(GSM_OK),
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GsmConstStr r2 = GFP(GSM_ERROR),
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#if defined TINY_GSM_DEBUG
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GsmConstStr r3 = GFP(GSM_CME_ERROR),
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#else
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GsmConstStr r3 = NULL,
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#endif
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GsmConstStr r4 = NULL, GsmConstStr r5 = NULL) {
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return waitResponse(1000, r1, r2, r3, r4, r5);
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}
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protected:
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Stream& stream;
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GsmClientM590* sockets[TINY_GSM_MUX_COUNT];
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const char* gsmNL = GSM_NL;
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};
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#endif // SRC_TINYGSMCLIENTM590_H_
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