You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
659 lines
15 KiB
659 lines
15 KiB
/**
|
|
* @file TinyGsmClient.h
|
|
* @author Volodymyr Shymanskyy
|
|
* @license LGPL-3.0
|
|
* @copyright Copyright (c) 2016 Volodymyr Shymanskyy
|
|
* @date Nov 2016
|
|
*/
|
|
|
|
#ifndef TinyGsmClient_h
|
|
#define TinyGsmClient_h
|
|
|
|
#if defined(SPARK) || defined(PARTICLE)
|
|
#include "Particle.h"
|
|
#elif defined(ARDUINO)
|
|
#if ARDUINO >= 100
|
|
#include "Arduino.h"
|
|
#else
|
|
#include "WProgram.h"
|
|
#endif
|
|
#endif
|
|
|
|
#include <Client.h>
|
|
#include <TinyGsmFifo.h>
|
|
|
|
#if defined(__AVR__)
|
|
#define GSM_PROGMEM PROGMEM
|
|
typedef const __FlashStringHelper* GsmConstStr;
|
|
#define GFP(x) (reinterpret_cast<GsmConstStr>(x))
|
|
#define GF(x) F(x)
|
|
#else
|
|
#define GSM_PROGMEM
|
|
typedef const char* GsmConstStr;
|
|
#define GFP(x) x
|
|
#define GF(x) x
|
|
#endif
|
|
|
|
//#define GSM_DEBUG Serial
|
|
//#define GSM_USE_HEX
|
|
|
|
#if !defined(TINY_GSM_RX_BUFFER)
|
|
#define TINY_GSM_RX_BUFFER 64
|
|
#endif
|
|
|
|
#define GSM_NL "\r\n"
|
|
static const char GSM_OK[] GSM_PROGMEM = "OK" GSM_NL;
|
|
static const char GSM_ERROR[] GSM_PROGMEM = "ERROR" GSM_NL;
|
|
|
|
enum SimStatus {
|
|
SIM_ERROR = 0,
|
|
SIM_READY = 1,
|
|
SIM_LOCKED = 2,
|
|
};
|
|
|
|
enum RegStatus {
|
|
REG_UNREGISTERED = 0,
|
|
REG_SEARCHING = 2,
|
|
REG_DENIED = 3,
|
|
REG_OK_HOME = 1,
|
|
REG_OK_ROAMING = 5,
|
|
REG_UNKNOWN = 4,
|
|
};
|
|
|
|
|
|
class TinyGsm
|
|
{
|
|
|
|
#ifdef GSM_DEBUG
|
|
template<typename T>
|
|
static void DBG(T last) {
|
|
GSM_DEBUG.println(last);
|
|
}
|
|
|
|
template<typename T, typename... Args>
|
|
static void DBG(T head, Args... tail) {
|
|
GSM_DEBUG.print(head);
|
|
GSM_DEBUG.print(' ');
|
|
DBG(tail...);
|
|
}
|
|
#else
|
|
#define DBG(...)
|
|
#endif
|
|
|
|
public:
|
|
TinyGsm(Stream& stream)
|
|
: stream(stream)
|
|
{}
|
|
|
|
public:
|
|
|
|
class GsmClient : public Client
|
|
{
|
|
friend class TinyGsm;
|
|
typedef TinyGsmFifo<uint8_t, TINY_GSM_RX_BUFFER> RxFifo;
|
|
|
|
public:
|
|
GsmClient() {
|
|
init(NULL, -1);
|
|
}
|
|
|
|
GsmClient(TinyGsm& at, uint8_t mux = 1) {
|
|
init(&at, mux);
|
|
}
|
|
|
|
bool init(TinyGsm* at, uint8_t mux = 1) {
|
|
this->at = at;
|
|
this->mux = mux;
|
|
at->sockets[mux] = this;
|
|
sock_available = 0;
|
|
sock_connected = false;
|
|
return true;
|
|
}
|
|
|
|
public:
|
|
virtual int connect(const char *host, uint16_t port) {
|
|
rx.clear();
|
|
sock_connected = at->modemConnect(host, port, mux);
|
|
return sock_connected;
|
|
}
|
|
|
|
virtual int connect(IPAddress ip, uint16_t port) {
|
|
String host; host.reserve(16);
|
|
host += ip[0];
|
|
host += ".";
|
|
host += ip[1];
|
|
host += ".";
|
|
host += ip[2];
|
|
host += ".";
|
|
host += ip[3];
|
|
return connect(host.c_str(), port);
|
|
}
|
|
|
|
virtual void stop() {
|
|
at->sendAT(GF("+CIPCLOSE="), mux);
|
|
sock_connected = false;
|
|
at->waitResponse();
|
|
}
|
|
|
|
virtual size_t write(const uint8_t *buf, size_t size) {
|
|
at->maintain();
|
|
return at->modemSend(buf, size, mux);
|
|
}
|
|
|
|
virtual size_t write(uint8_t c) {
|
|
return write(&c, 1);
|
|
}
|
|
|
|
virtual int available() {
|
|
if (!rx.size()) {
|
|
at->maintain();
|
|
}
|
|
return rx.size() + sock_available;
|
|
}
|
|
|
|
virtual int read(uint8_t *buf, size_t size) {
|
|
at->maintain();
|
|
size_t cnt = 0;
|
|
while (cnt < size) {
|
|
size_t chunk = min(size-cnt, rx.size());
|
|
if (chunk > 0) {
|
|
rx.get(buf, chunk);
|
|
buf += chunk;
|
|
cnt += chunk;
|
|
continue;
|
|
}
|
|
// TODO: Read directly into user buffer?
|
|
at->maintain();
|
|
if (sock_available > 0) {
|
|
at->modemRead(rx.free(), mux);
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
return cnt;
|
|
}
|
|
|
|
virtual int read() {
|
|
uint8_t c;
|
|
if (read(&c, 1) == 1) {
|
|
return c;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
virtual int peek() { return -1; } //TODO
|
|
virtual void flush() { at->stream.flush(); }
|
|
|
|
virtual uint8_t connected() {
|
|
if (available()) {
|
|
return true;
|
|
}
|
|
return sock_connected;
|
|
}
|
|
virtual operator bool() { return connected(); }
|
|
private:
|
|
TinyGsm* at;
|
|
uint8_t mux;
|
|
uint16_t sock_available;
|
|
bool sock_connected;
|
|
RxFifo rx;
|
|
};
|
|
|
|
public:
|
|
|
|
/*
|
|
* Basic functions
|
|
*/
|
|
bool begin() {
|
|
return init();
|
|
}
|
|
|
|
bool init() {
|
|
if (!autoBaud()) {
|
|
return false;
|
|
}
|
|
sendAT(GF("&FZE0")); // Factory + Reset + Echo Off
|
|
if (waitResponse() != 1) {
|
|
return false;
|
|
}
|
|
getSimStatus();
|
|
return true;
|
|
}
|
|
|
|
bool autoBaud(unsigned long timeout = 10000L) {
|
|
for (unsigned long start = millis(); millis() - start < timeout; ) {
|
|
sendAT(GF(""));
|
|
if (waitResponse(200) == 1) {
|
|
delay(100);
|
|
return true;
|
|
}
|
|
delay(100);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void maintain() {
|
|
while (stream.available()) {
|
|
waitResponse(10, NULL, NULL);
|
|
}
|
|
}
|
|
|
|
bool factoryDefault() {
|
|
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;
|
|
}
|
|
|
|
/*
|
|
* Power functions
|
|
*/
|
|
|
|
bool restart() {
|
|
if (!autoBaud()) {
|
|
return false;
|
|
}
|
|
sendAT(GF("+CFUN=0"));
|
|
if (waitResponse(10000L) != 1) {
|
|
return false;
|
|
}
|
|
sendAT(GF("+CFUN=1,1"));
|
|
if (waitResponse(10000L) != 1) {
|
|
return false;
|
|
}
|
|
delay(3000);
|
|
return init();
|
|
}
|
|
|
|
/*
|
|
* SIM card & Networ Operator functions
|
|
*/
|
|
|
|
bool simUnlock(const char *pin) {
|
|
sendAT(GF("+CPIN="), pin);
|
|
return waitResponse() == 1;
|
|
}
|
|
|
|
String getSimCCID() {
|
|
sendAT(GF("+ICCID"));
|
|
if (waitResponse(GF(GSM_NL "+ICCID:")) != 1) {
|
|
return "";
|
|
}
|
|
String res = stream.readStringUntil('\n');
|
|
waitResponse();
|
|
res.trim();
|
|
return res;
|
|
}
|
|
|
|
SimStatus getSimStatus(unsigned long timeout = 10000L) {
|
|
for (unsigned long start = millis(); millis() - start < timeout; ) {
|
|
sendAT(GF("+CPIN?"));
|
|
if (waitResponse(GF(GSM_NL "+CPIN:")) != 1) {
|
|
delay(1000);
|
|
continue;
|
|
}
|
|
int status = waitResponse(GF("READY"), GF("SIM PIN"), GF("SIM PUK"), GF("NOT INSERTED"));
|
|
waitResponse();
|
|
switch (status) {
|
|
case 2:
|
|
case 3: return SIM_LOCKED;
|
|
case 1: return SIM_READY;
|
|
default: return SIM_ERROR;
|
|
}
|
|
}
|
|
return SIM_ERROR;
|
|
}
|
|
|
|
RegStatus getRegistrationStatus() {
|
|
sendAT(GF("+CREG?"));
|
|
if (waitResponse(GF(GSM_NL "+CREG:")) != 1) {
|
|
return REG_UNKNOWN;
|
|
}
|
|
streamSkipUntil(','); // Skip format (0)
|
|
int status = stream.readStringUntil('\n').toInt();
|
|
waitResponse();
|
|
return (RegStatus)status;
|
|
}
|
|
|
|
String getOperator() {
|
|
sendAT(GF("+COPS?"));
|
|
if (waitResponse(GF(GSM_NL "+COPS:")) != 1) {
|
|
return "";
|
|
}
|
|
streamSkipUntil('"'); // Skip mode and format
|
|
String res = stream.readStringUntil('"');
|
|
waitResponse();
|
|
return res;
|
|
}
|
|
|
|
bool waitForNetwork(unsigned long timeout = 60000L) {
|
|
for (unsigned long start = millis(); millis() - start < timeout; ) {
|
|
RegStatus s = getRegistrationStatus();
|
|
if (s == REG_OK_HOME || s == REG_OK_ROAMING) {
|
|
return true;
|
|
} else if (s == REG_UNREGISTERED) {
|
|
return false;
|
|
}
|
|
delay(1000);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* GPRS functions
|
|
*/
|
|
bool gprsConnect(const char* apn, const char* user, const char* pwd) {
|
|
gprsDisconnect();
|
|
|
|
sendAT(GF("+SAPBR=3,1,\"Contype\",\"GPRS\""));
|
|
waitResponse();
|
|
|
|
sendAT(GF("+SAPBR=3,1,\"APN\",\""), apn, '"');
|
|
waitResponse();
|
|
|
|
if (user) {
|
|
sendAT(GF("+SAPBR=3,1,\"USER\",\""), user, '"');
|
|
waitResponse();
|
|
}
|
|
if (pwd) {
|
|
sendAT(GF("+SAPBR=3,1,\"PWD\",\""), pwd, '"');
|
|
waitResponse();
|
|
}
|
|
|
|
sendAT(GF("+CGDCONT=1,\"IP\",\""), apn, '"');
|
|
waitResponse();
|
|
|
|
sendAT(GF("+CGACT=1,1"));
|
|
waitResponse(60000L);
|
|
|
|
// Open a GPRS context
|
|
sendAT(GF("+SAPBR=1,1"));
|
|
waitResponse(85000L);
|
|
// Query the GPRS context
|
|
sendAT(GF("+SAPBR=2,1"));
|
|
if (waitResponse(30000L) != 1)
|
|
return false;
|
|
|
|
sendAT(GF("+CGATT=1"));
|
|
if (waitResponse(60000L) != 1)
|
|
return false;
|
|
|
|
// TODO: wait AT+CGATT?
|
|
|
|
sendAT(GF("+CIPMUX=1"));
|
|
if (waitResponse() != 1) {
|
|
return false;
|
|
}
|
|
|
|
sendAT(GF("+CIPQSEND=1"));
|
|
if (waitResponse() != 1) {
|
|
return false;
|
|
}
|
|
|
|
sendAT(GF("+CIPRXGET=1"));
|
|
if (waitResponse() != 1) {
|
|
return false;
|
|
}
|
|
|
|
sendAT(GF("+CSTT=\""), apn, GF("\",\""), user, GF("\",\""), pwd, GF("\""));
|
|
if (waitResponse(60000L) != 1) {
|
|
return false;
|
|
}
|
|
|
|
sendAT(GF("+CIICR"));
|
|
if (waitResponse(60000L) != 1) {
|
|
return false;
|
|
}
|
|
|
|
sendAT(GF("+CIFSR;E0"));
|
|
String data;
|
|
if (waitResponse(10000L, data) != 1) {
|
|
data.replace(GSM_NL, "");
|
|
return false;
|
|
}
|
|
|
|
sendAT(GF("+CDNSCFG=\"8.8.8.8\",\"8.8.4.4\""));
|
|
if (waitResponse() != 1) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool gprsDisconnect() {
|
|
sendAT(GF("+CIPSHUT"));
|
|
return waitResponse(60000L) == 1;
|
|
}
|
|
|
|
/*
|
|
* Phone Call functions
|
|
*/
|
|
|
|
/*
|
|
* Messaging functions
|
|
*/
|
|
|
|
void sendUSSD() {
|
|
}
|
|
|
|
void sendSMS() {
|
|
}
|
|
|
|
/*
|
|
* Location functions
|
|
*/
|
|
void getLocation() {
|
|
}
|
|
|
|
/*
|
|
* Battery functions
|
|
*/
|
|
|
|
private:
|
|
int modemConnect(const char* host, uint16_t port, uint8_t mux) {
|
|
sendAT(GF("+CIPSTART="), mux, ',', GF("\"TCP"), GF("\",\""), host, GF("\","), port);
|
|
int rsp = waitResponse(75000L,
|
|
GF("CONNECT OK" GSM_NL),
|
|
GF("CONNECT FAIL" GSM_NL),
|
|
GF("ALREADY CONNECT" GSM_NL));
|
|
return (1 == rsp);
|
|
}
|
|
|
|
int modemSend(const void* buff, size_t len, uint8_t mux) {
|
|
sendAT(GF("+CIPSEND="), mux, ',', len);
|
|
if (waitResponse(GF(">")) != 1) {
|
|
return -1;
|
|
}
|
|
stream.write((uint8_t*)buff, len);
|
|
if (waitResponse(GF(GSM_NL "DATA ACCEPT:")) != 1) {
|
|
return -1;
|
|
}
|
|
streamSkipUntil(','); // Skip mux
|
|
return stream.readStringUntil('\n').toInt();
|
|
}
|
|
|
|
size_t modemRead(size_t size, uint8_t mux) {
|
|
#ifdef GSM_USE_HEX
|
|
sendAT(GF("+CIPRXGET=3,"), mux, ',', size);
|
|
if (waitResponse(GF("+CIPRXGET:")) != 1) {
|
|
return 0;
|
|
}
|
|
#else
|
|
sendAT(GF("+CIPRXGET=2,"), mux, ',', size);
|
|
if (waitResponse(GF("+CIPRXGET:")) != 1) {
|
|
return 0;
|
|
}
|
|
#endif
|
|
streamSkipUntil(','); // Skip mode 2/3
|
|
streamSkipUntil(','); // Skip mux
|
|
size_t len = stream.readStringUntil(',').toInt();
|
|
sockets[mux]->sock_available = stream.readStringUntil('\n').toInt();
|
|
|
|
for (size_t i=0; i<len; i++) {
|
|
#ifdef GSM_USE_HEX
|
|
while (stream.available() < 2) {}
|
|
char buf[4] = { 0, };
|
|
buf[0] = stream.read();
|
|
buf[1] = stream.read();
|
|
char c = strtol(buf, NULL, 16);
|
|
#else
|
|
while (!stream.available()) {}
|
|
char c = stream.read();
|
|
#endif
|
|
sockets[mux]->rx.put(c);
|
|
}
|
|
waitResponse();
|
|
return len;
|
|
}
|
|
|
|
size_t modemGetAvailable(uint8_t mux) {
|
|
sendAT(GF("+CIPRXGET=4,"), mux);
|
|
size_t result = 0;
|
|
if (waitResponse(GF("+CIPRXGET:")) == 1) {
|
|
streamSkipUntil(','); // Skip mode 4
|
|
streamSkipUntil(','); // Skip mux
|
|
result = stream.readStringUntil('\n').toInt();
|
|
waitResponse();
|
|
}
|
|
if (!result) {
|
|
sockets[mux]->sock_connected = modemGetConnected(mux);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
bool modemGetConnected(uint8_t mux) {
|
|
sendAT(GF("+CIPSTATUS="), mux);
|
|
int res = waitResponse(GF(",\"CONNECTED\""), GF(",\"CLOSED\""), GF(",\"CLOSING\""), GF(",\"INITIAL\""));
|
|
waitResponse();
|
|
return 1 == res;
|
|
}
|
|
|
|
/* Utilities */
|
|
template<typename T>
|
|
void streamWrite(T last) {
|
|
stream.print(last);
|
|
}
|
|
|
|
template<typename T, typename... Args>
|
|
void streamWrite(T head, Args... tail) {
|
|
stream.print(head);
|
|
streamWrite(tail...);
|
|
}
|
|
|
|
int streamRead() { return stream.read(); }
|
|
|
|
bool streamSkipUntil(char c) { //TODO: timeout
|
|
while (true) {
|
|
while (!stream.available()) {}
|
|
if (stream.read() == c)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
template<typename... Args>
|
|
void sendAT(Args... cmd) {
|
|
streamWrite("AT", cmd..., GSM_NL);
|
|
stream.flush();
|
|
//DBG("### AT:", cmd...);
|
|
}
|
|
|
|
// TODO: Optimize this!
|
|
uint8_t waitResponse(uint32_t timeout, 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);
|
|
bool gotData = false;
|
|
int mux = -1;
|
|
int index = 0;
|
|
unsigned long startMillis = millis();
|
|
do {
|
|
while (stream.available() > 0) {
|
|
int a = streamRead();
|
|
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(GSM_NL "+CIPRXGET:"))) {
|
|
String mode = stream.readStringUntil(',');
|
|
if (mode.toInt() == 1) {
|
|
mux = stream.readStringUntil('\n').toInt();
|
|
gotData = true;
|
|
data = "";
|
|
} else {
|
|
data += mode;
|
|
}
|
|
} else if (data.endsWith(GF("CLOSED" GSM_NL))) {
|
|
int nl = data.lastIndexOf(GSM_NL, data.length()-8);
|
|
int coma = data.indexOf(',', nl+2);
|
|
mux = data.substring(nl+2, coma).toInt();
|
|
if (mux) {
|
|
sockets[mux]->sock_connected = false;
|
|
data = "";
|
|
}
|
|
}
|
|
}
|
|
} while (millis() - startMillis < timeout);
|
|
finish:
|
|
if (!index) {
|
|
if (data.length()) {
|
|
DBG("### Unhandled:", data);
|
|
}
|
|
data = "";
|
|
}
|
|
if (gotData) {
|
|
sockets[mux]->sock_available = modemGetAvailable(mux);
|
|
}
|
|
return index;
|
|
}
|
|
|
|
uint8_t waitResponse(uint32_t timeout,
|
|
GsmConstStr r1=GFP(GSM_OK), GsmConstStr r2=GFP(GSM_ERROR),
|
|
GsmConstStr r3=NULL, GsmConstStr r4=NULL, GsmConstStr r5=NULL)
|
|
{
|
|
String data;
|
|
return waitResponse(timeout, 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);
|
|
}
|
|
|
|
private:
|
|
Stream& stream;
|
|
GsmClient* sockets[5];
|
|
};
|
|
|
|
typedef TinyGsm::GsmClient TinyGsmClient;
|
|
|
|
#endif
|