708 lines
16 KiB
C++
708 lines
16 KiB
C++
/**
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* @file TinyGsmClientA6.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 TinyGsmClientA6_h
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#define TinyGsmClientA6_h
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//#pragma message("TinyGSM: TinyGsmClientA6")
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//#define TINY_GSM_DEBUG Serial
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#if !defined(TINY_GSM_RX_BUFFER)
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#define TINY_GSM_RX_BUFFER 256
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#endif
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#define TINY_GSM_MUX_COUNT 8
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#include <TinyGsmCommon.h>
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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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enum SimStatus {
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SIM_ERROR = 0,
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SIM_READY = 1,
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SIM_LOCKED = 2,
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};
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enum RegStatus {
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REG_UNREGISTERED = 0,
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REG_SEARCHING = 2,
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REG_DENIED = 3,
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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 TinyGsmA6
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{
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public:
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class GsmClient : public Client
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{
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friend class TinyGsmA6;
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typedef TinyGsmFifo<uint8_t, TINY_GSM_RX_BUFFER> RxFifo;
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public:
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GsmClient() {}
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GsmClient(TinyGsmA6& modem) {
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init(&modem);
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}
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virtual ~GsmClient(){}
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bool init(TinyGsmA6* modem) {
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this->at = modem;
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this->mux = -1;
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sock_connected = false;
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return true;
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}
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public:
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virtual 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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uint8_t newMux = -1;
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sock_connected = at->modemConnect(host, port, &newMux, timeout_s);
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if (sock_connected) {
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mux = newMux;
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at->sockets[mux] = this;
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}
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return sock_connected;
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}
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TINY_GSM_CLIENT_CONNECT_OVERLOADS()
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virtual void stop(uint32_t maxWaitMs) {
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TINY_GSM_YIELD();
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at->sendAT(GF("+CIPCLOSE="), 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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virtual void stop() { stop(1000L); }
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TINY_GSM_CLIENT_WRITE()
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TINY_GSM_CLIENT_AVAILABLE_NO_MODEM_FIFO()
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TINY_GSM_CLIENT_READ_NO_MODEM_FIFO()
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TINY_GSM_CLIENT_PEEK_FLUSH_CONNECTED()
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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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private:
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TinyGsmA6* at;
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uint8_t mux;
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bool sock_connected;
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RxFifo rx;
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};
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public:
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TinyGsmA6(Stream& stream)
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: stream(stream)
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{
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memset(sockets, 0, sizeof(sockets));
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}
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virtual ~TinyGsmA6() {}
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/*
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* Basic functions
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*/
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bool begin(const char* pin = NULL) {
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return init(pin);
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}
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bool init(const char* pin = NULL) {
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DBG(GF("### TinyGSM Version:"), TINYGSM_VERSION);
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if (!testAT()) {
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return false;
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}
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sendAT(GF("&FZE0")); // Factory + Reset + Echo Off
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if (waitResponse() != 1) {
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return false;
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}
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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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sendAT(GF("+CMER=3,0,0,2")); // Set unsolicited result code output destination
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waitResponse();
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DBG(GF("### Modem:"), getModemName());
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int 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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}
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// if the sim is ready, or it's locked but no pin has been provided, return
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// true
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else {
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return (ret == SIM_READY || ret == SIM_LOCKED);
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}
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}
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String getModemName() {
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#if defined(TINY_GSM_MODEM_A6)
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return "AI-Thinker A6";
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#elif defined(TINY_GSM_MODEM_A7)
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return "AI-Thinker A7";
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#endif
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return "AI-Thinker A6";
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}
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TINY_GSM_MODEM_SET_BAUD_IPR()
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TINY_GSM_MODEM_TEST_AT()
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TINY_GSM_MODEM_MAINTAIN_LISTEN()
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bool factoryDefault() {
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sendAT(GF("&FZE0&W")); // Factory + Reset + Echo Off + Write
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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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TINY_GSM_MODEM_GET_INFO_ATI()
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bool hasSSL() {
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return false;
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}
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bool hasWifi() {
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return false;
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}
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bool hasGPRS() {
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return true;
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}
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/*
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* Power functions
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*/
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bool restart() {
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if (!testAT()) {
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return false;
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}
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sendAT(GF("+RST=1"));
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delay(3000);
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return init();
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}
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bool poweroff() {
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sendAT(GF("+CPOF"));
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return waitResponse() == 1;
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}
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bool radioOff() TINY_GSM_ATTR_NOT_IMPLEMENTED;
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bool sleepEnable(bool enable = true) TINY_GSM_ATTR_NOT_IMPLEMENTED;
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/*
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* SIM card functions
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*/
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TINY_GSM_MODEM_SIM_UNLOCK_CPIN()
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String getSimCCID() {
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sendAT(GF("+CCID"));
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if (waitResponse(GF(GSM_NL "+SCID: SIM Card ID:")) != 1) {
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return "";
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}
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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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TINY_GSM_MODEM_GET_IMEI_GSN()
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SimStatus getSimStatus(unsigned long timeout_ms = 10000L) {
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for (unsigned long start = millis(); millis() - start < timeout_ms; ) {
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sendAT(GF("+CPIN?"));
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if (waitResponse(GF(GSM_NL "+CPIN:")) != 1) {
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delay(1000);
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continue;
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}
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int status = waitResponse(GF("READY"), GF("SIM PIN"), GF("SIM PUK"));
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waitResponse();
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switch (status) {
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case 2:
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case 3: return SIM_LOCKED;
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case 1: return SIM_READY;
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default: return SIM_ERROR;
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}
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}
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return SIM_ERROR;
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}
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TINY_GSM_MODEM_GET_REGISTRATION_XREG(CREG)
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String getOperator() {
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sendAT(GF("+COPS=3,0")); // Set format
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waitResponse();
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sendAT(GF("+COPS?"));
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if (waitResponse(GF(GSM_NL "+COPS:")) != 1) {
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return "";
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}
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streamSkipUntil('"'); // Skip mode and format
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String res = stream.readStringUntil('"');
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waitResponse();
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return res;
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}
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/*
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* Generic network functions
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*/
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TINY_GSM_MODEM_GET_CSQ()
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bool isNetworkConnected() {
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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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TINY_GSM_MODEM_WAIT_FOR_NETWORK()
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/*
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* GPRS functions
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*/
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bool gprsConnect(const char* apn, const char* user = NULL, const char* pwd = NULL) {
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gprsDisconnect();
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sendAT(GF("+CGATT=1"));
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if (waitResponse(60000L) != 1)
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return false;
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// TODO: wait AT+CGATT?
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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("+CSTT=\""), apn, GF("\",\""), user, GF("\",\""), pwd, GF("\""));
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if (waitResponse(60000L) != 1) {
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return false;
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}
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sendAT(GF("+CGACT=1,1"));
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waitResponse(60000L);
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sendAT(GF("+CIPMUX=1"));
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if (waitResponse() != 1) {
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return false;
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}
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return true;
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}
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bool gprsDisconnect() {
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// Shut the TCP/IP connection
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sendAT(GF("+CIPSHUT"));
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if (waitResponse(60000L) != 1)
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return false;
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for (int i = 0; i<3; i++) {
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sendAT(GF("+CGATT=0"));
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if (waitResponse(5000L) == 1)
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return true;
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}
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return false;
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}
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bool isGprsConnected() {
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sendAT(GF("+CGATT?"));
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if (waitResponse(GF(GSM_NL "+CGATT:")) != 1) {
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return false;
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}
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int res = stream.readStringUntil('\n').toInt();
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waitResponse();
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return (res == 1);
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}
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/*
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* IP Address functions
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*/
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String getLocalIP() {
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sendAT(GF("+CIFSR"));
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String res;
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if (waitResponse(10000L, res) != 1) {
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return "";
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}
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res.replace(GSM_NL "OK" GSM_NL, "");
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res.replace(GSM_NL, "");
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res.trim();
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return res;
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}
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IPAddress localIP() {
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return TinyGsmIpFromString(getLocalIP());
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}
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/*
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* Phone Call functions
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*/
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bool setGsmBusy(bool busy = true) TINY_GSM_ATTR_NOT_AVAILABLE;
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bool callAnswer() {
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sendAT(GF("A"));
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return waitResponse() == 1;
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}
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// Returns true on pick-up, false on error/busy
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bool callNumber(const String& number) {
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if (number == GF("last")) {
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sendAT(GF("DLST"));
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} else {
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sendAT(GF("D\""), number, "\";");
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}
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if (waitResponse(5000L) != 1) {
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return false;
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}
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if (waitResponse(60000L,
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GF(GSM_NL "+CIEV: \"CALL\",1"),
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GF(GSM_NL "+CIEV: \"CALL\",0"),
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GFP(GSM_ERROR)) != 1)
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{
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return false;
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}
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int rsp = waitResponse(60000L,
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GF(GSM_NL "+CIEV: \"SOUNDER\",0"),
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GF(GSM_NL "+CIEV: \"CALL\",0"));
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int rsp2 = waitResponse(300L, GF(GSM_NL "BUSY" GSM_NL), GF(GSM_NL "NO ANSWER" GSM_NL));
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return rsp == 1 && rsp2 == 0;
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}
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bool callHangup() {
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sendAT(GF("H"));
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return waitResponse() == 1;
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}
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// 0-9,*,#,A,B,C,D
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bool dtmfSend(char cmd, unsigned duration_ms = 100) {
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duration_ms = constrain(duration_ms, 100, 1000);
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// The duration parameter is not working, so we simulate it using delay..
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// TODO: Maybe there's another way...
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//sendAT(GF("+VTD="), duration_ms / 100);
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//waitResponse();
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sendAT(GF("+VTS="), cmd);
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if (waitResponse(10000L) == 1) {
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delay(duration_ms);
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return true;
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}
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return false;
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}
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/*
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* Audio functions
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*/
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bool audioSetHeadphones() {
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sendAT(GF("+SNFS=0"));
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return waitResponse() == 1;
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}
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bool audioSetSpeaker() {
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sendAT(GF("+SNFS=1"));
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return waitResponse() == 1;
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}
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bool audioMuteMic(bool mute) {
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sendAT(GF("+CMUT="), mute);
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return waitResponse() == 1;
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}
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/*
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* Messaging functions
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*/
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String sendUSSD(const String& code) {
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sendAT(GF("+CMGF=1"));
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waitResponse();
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sendAT(GF("+CSCS=\"HEX\""));
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waitResponse();
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sendAT(GF("+CUSD=1,\""), code, GF("\",15"));
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if (waitResponse(10000L) != 1) {
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return "";
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}
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if (waitResponse(GF(GSM_NL "+CUSD:")) != 1) {
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return "";
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}
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stream.readStringUntil('"');
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String hex = stream.readStringUntil('"');
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stream.readStringUntil(',');
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int dcs = stream.readStringUntil('\n').toInt();
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if (dcs == 15) {
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return TinyGsmDecodeHex7bit(hex);
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} else if (dcs == 72) {
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return TinyGsmDecodeHex16bit(hex);
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} else {
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return hex;
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}
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}
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bool sendSMS(const String& number, const String& text) {
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sendAT(GF("+CMGF=1"));
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waitResponse();
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sendAT(GF("+CMGS=\""), number, GF("\""));
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if (waitResponse(GF(">")) != 1) {
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return false;
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}
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stream.print(text);
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stream.write((char)0x1A);
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stream.flush();
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return waitResponse(60000L) == 1;
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}
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/*
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* Location functions
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*/
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String getGsmLocation() TINY_GSM_ATTR_NOT_AVAILABLE;
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/*
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* Battery & temperature functions
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*/
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uint16_t getBattVoltage() TINY_GSM_ATTR_NOT_AVAILABLE;
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int8_t getBattPercent() {
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sendAT(GF("+CBC?"));
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if (waitResponse(GF(GSM_NL "+CBC:")) != 1) {
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return false;
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}
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streamSkipUntil(','); // Skip battery charge status
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// Read battery charge level
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int res = stream.readStringUntil('\n').toInt();
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// Wait for final OK
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waitResponse();
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return res;
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}
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uint8_t getBattChargeState() {
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sendAT(GF("+CBC?"));
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if (waitResponse(GF(GSM_NL "+CBC:")) != 1) {
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return false;
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}
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// Read battery charge status
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int res = stream.readStringUntil(',').toInt();
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// Wait for final OK
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waitResponse();
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return res;
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}
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bool getBattStats(uint8_t &chargeState, int8_t &percent, uint16_t &milliVolts) {
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sendAT(GF("+CBC?"));
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if (waitResponse(GF(GSM_NL "+CBC:")) != 1) {
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return false;
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}
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chargeState = stream.readStringUntil(',').toInt();
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percent = stream.readStringUntil('\n').toInt();
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milliVolts = 0;
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// Wait for final OK
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waitResponse();
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return true;
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}
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float getTemperature() TINY_GSM_ATTR_NOT_AVAILABLE;
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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, int timeout_s = 75) {
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unsigned long startMillis = millis();
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uint32_t timeout_ms = ((uint32_t)timeout_s)*1000;
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sendAT(GF("+CIPSTART="), GF("\"TCP"), GF("\",\""), host, GF("\","), port);
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if (waitResponse(timeout_ms, GF(GSM_NL "+CIPNUM:")) != 1) {
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return false;
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}
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int newMux = stream.readStringUntil('\n').toInt();
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int rsp = waitResponse((timeout_ms- (millis() - startMillis)),
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GF("CONNECT OK" GSM_NL),
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GF("CONNECT FAIL" GSM_NL),
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GF("ALREADY CONNECT" GSM_NL));
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if (waitResponse() != 1) {
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return false;
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}
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*mux = newMux;
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return (1 == rsp);
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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("+CIPSEND="), mux, ',', (uint16_t)len);
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|
if (waitResponse(2000L, GF(GSM_NL ">")) != 1) {
|
|
return 0;
|
|
}
|
|
stream.write((uint8_t*)buff, len);
|
|
stream.flush();
|
|
if (waitResponse(10000L, GFP(GSM_OK), GF(GSM_NL "FAIL")) != 1) {
|
|
return 0;
|
|
}
|
|
return len;
|
|
}
|
|
|
|
bool modemGetConnected(uint8_t) {
|
|
sendAT(GF("+CIPSTATUS")); //TODO mux?
|
|
int res = waitResponse(GF(",\"CONNECTED\""), GF(",\"CLOSED\""), GF(",\"CLOSING\""), GF(",\"INITIAL\""));
|
|
waitResponse();
|
|
return 1 == res;
|
|
}
|
|
|
|
public:
|
|
|
|
/*
|
|
Utilities
|
|
*/
|
|
|
|
TINY_GSM_MODEM_STREAM_UTILITIES()
|
|
|
|
// TODO: Optimize this!
|
|
uint8_t waitResponse(uint32_t timeout_ms, String& data,
|
|
GsmConstStr r1=GFP(GSM_OK), GsmConstStr r2=GFP(GSM_ERROR),
|
|
GsmConstStr r3=NULL, 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);
|
|
int index = 0;
|
|
unsigned long 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 += (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("+CIPRCV:"))) {
|
|
int mux = stream.readStringUntil(',').toInt();
|
|
int len = stream.readStringUntil(',').toInt();
|
|
int len_orig = len;
|
|
if (len > sockets[mux]->rx.free()) {
|
|
DBG("### Buffer overflow: ", len, "->", sockets[mux]->rx.free());
|
|
} else {
|
|
DBG("### Got: ", len, "->", sockets[mux]->rx.free());
|
|
}
|
|
while (len--) {
|
|
TINY_GSM_MODEM_STREAM_TO_MUX_FIFO_WITH_DOUBLE_TIMEOUT
|
|
}
|
|
if (len_orig > sockets[mux]->available()) { // TODO
|
|
DBG("### Fewer characters received than expected: ", sockets[mux]->available(), " vs ", len_orig);
|
|
}
|
|
data = "";
|
|
} else if (data.endsWith(GF("+TCPCLOSED:"))) {
|
|
int mux = stream.readStringUntil('\n').toInt();
|
|
if (mux >= 0 && mux < TINY_GSM_MUX_COUNT) {
|
|
sockets[mux]->sock_connected = false;
|
|
}
|
|
data = "";
|
|
DBG("### Closed: ", mux);
|
|
}
|
|
}
|
|
} 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=NULL, 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=NULL, GsmConstStr r4=NULL, GsmConstStr r5=NULL)
|
|
{
|
|
return waitResponse(1000, r1, r2, r3, r4, r5);
|
|
}
|
|
|
|
public:
|
|
Stream& stream;
|
|
|
|
protected:
|
|
GsmClient* sockets[TINY_GSM_MUX_COUNT];
|
|
};
|
|
|
|
#endif
|