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TinyGSM_Senseright
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TinyGSM_Senseright/TinyGsmClientXBee.h

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/**
* @file TinyWiFiClientESP8266.h
* @author Volodymyr Shymanskyy
* @license LGPL-3.0
* @copyright Copyright (c) 2016 Volodymyr Shymanskyy
* @date Nov 2016
*/
#ifndef TinyGsmClientXBee_h
#define TinyGsmClientXBee_h
// #define TINY_GSM_DEBUG Serial
#if !defined(TINY_GSM_RX_BUFFER)
#define TINY_GSM_RX_BUFFER 256
#endif
#include <TinyGsmCommon.h>
#define GSM_NL "\r"
static const char GSM_OK[] TINY_GSM_PROGMEM = "OK" GSM_NL;
static const char GSM_ERROR[] TINY_GSM_PROGMEM = "ERROR" GSM_NL;
enum SimStatus {
SIM_ERROR = 0,
SIM_READY = 1,
SIM_LOCKED = 2,
};
enum XBeeType {
S6B = 0,
LTEC1 = 1,
};
enum RegStatus {
REG_UNREGISTERED = 0,
REG_SEARCHING = 2,
REG_DENIED = 3,
REG_OK_HOME = 1,
REG_OK_ROAMING = 5,
REG_UNKNOWN = 4,
};
class TinyGsm
{
public:
TinyGsm(Stream& stream)
: stream(stream)
{}
public:
class GsmClient : public Client
{
friend class TinyGsm;
public:
GsmClient() {}
GsmClient(TinyGsm& modem, uint8_t mux = 1) {
init(&modem, mux);
}
bool init(TinyGsm* modem, uint8_t mux = 1) {
this->at = modem;
this->mux = mux;
sock_connected = false;
at->sockets[mux] = this;
return true;
}
public:
virtual int connect(const char *host, uint16_t port) {
at->streamClear(); // Empty anything remaining in the buffer;
at->commandMode();
sock_connected = at->modemConnect(host, port, mux);
at->writeChanges();
at->exitCommand();
return sock_connected;
}
virtual int connect(IPAddress ip, uint16_t port) {
at->streamClear(); // Empty anything remaining in the buffer;
at->commandMode();
sock_connected = at->modemConnect(ip, port, mux);
at->writeChanges();
at->exitCommand();
return sock_connected;
}
// This is a hack to shut the socket by setting the timeout to zero and
// then sending an empty line to the server.
virtual void stop() {
at->commandMode();
at->sendAT(GF("TM0")); // Set socket timeout to 0;
at->waitResponse();
at->writeChanges();
at->exitCommand();
at->modemSend("", 1, mux);
at->streamClear(); // Empty anything remaining in the buffer;
at->commandMode();
at->sendAT(GF("TM64")); // Set socket timeout back to 10seconds;
at->waitResponse();
at->writeChanges();
at->exitCommand();
at->streamClear(); // Empty anything remaining in the buffer;
sock_connected = false;
}
virtual size_t write(const uint8_t *buf, size_t size) {
return at->modemSend(buf, size, mux);
}
virtual size_t write(uint8_t c) {
return write(&c, 1);
}
virtual int available() {
return at->stream.available();
}
virtual int read(uint8_t *buf, size_t size) {
return available();
}
virtual int read() {
TINY_GSM_YIELD();
return at->stream.read();
}
virtual int peek() { return at->stream.peek(); }
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;
bool sock_connected;
};
public:
/*
* Basic functions
*/
bool begin() {
return init();
}
bool init() {
guardTime = 1100;
commandMode();
sendAT(GF("AP0")); // Put in transparent mode
waitResponse();
sendAT(GF("GT64")); // shorten the guard time to 100ms
waitResponse();
writeChanges();
sendAT(GF("HS")); // Get the "Hardware Series"; 0x601 for S6B (Wifi)
// wait for the response
unsigned long startMillis = millis();
while (!stream.available() && millis() - startMillis < 1000) {};
String res = streamReadUntil('\r'); // Does not send an OK, just the result
exitCommand();
if (res == "601") beeType = S6B;
else beeType = LTEC1;
guardTime = 125;
return true;
}
bool autoBaud(unsigned long timeout = 10000L) { // not supported
return false;
}
void maintain() {}
bool factoryDefault() {
commandMode();
sendAT(GF("RE"));
bool ret_val = waitResponse() == 1;
writeChanges();
exitCommand();
return ret_val;
}
/*
* Power functions
*/
bool restart() {
commandMode();
sendAT(GF("FR"));
if (waitResponse() != 1) {
return false;
}
delay (2000); // Actually resets about 2 seconds later
for (unsigned long start = millis(); millis() - start < 60000L; ) {
if (commandMode()) {
exitCommand();
return true;
}
}
exitCommand();
return false;;
}
void setupPinSleep() {
commandMode();
sendAT(GF("SM"),1);
waitResponse();
sendAT(GF("SO"),200);
waitResponse();
writeChanges();
exitCommand();
}
/*
* SIM card functions
*/
bool simUnlock(const char *pin) { // Not supported
return false;
}
String getSimCCID() {
commandMode();
sendAT(GF("S#"));
// wait for the response
unsigned long startMillis = millis();
while (!stream.available() && millis() - startMillis < 1000) {};
String res = streamReadUntil('\r'); // Does not send an OK, just the result
exitCommand();
return res;
}
String getIMEI() {
commandMode();
sendAT(GF("IM"));
// wait for the response
unsigned long startMillis = millis();
while (!stream.available() && millis() - startMillis < 1000) {};
String res = streamReadUntil('\r'); // Does not send an OK, just the result
exitCommand();
return res;
}
SimStatus getSimStatus(unsigned long timeout = 10000L) {
return SIM_READY; // unsupported
}
RegStatus getRegistrationStatus() {
commandMode();
if (beeType == S6B) sendAT(GF("AI"));
else sendAT(GF("CI"));
// wait for the response
unsigned long startMillis = millis();
while (!stream.available() && millis() - startMillis < 1000) {};
String res = streamReadUntil('\r'); // Does not send an OK, just the result
exitCommand();
if(res == GF("0"))
return REG_OK_HOME;
else if(res == GF("13") || res == GF("2A"))
return REG_UNREGISTERED;
else if(res == GF("FF") || res == GF("22") || res == GF("23") ||
res == GF("40") || res == GF("41") || res == GF("42"))
return REG_SEARCHING;
else if(res == GF("24"))
return REG_DENIED;
else return REG_UNKNOWN;
}
String getOperator() {
commandMode();
sendAT(GF("MN"));
// wait for the response
unsigned long startMillis = millis();
while (!stream.available() && millis() - startMillis < 1000) {};
String res = streamReadUntil('\r'); // Does not send an OK, just the result
exitCommand();
return res;
}
/*
* Generic network functions
*/
int getSignalQuality() {
commandMode();
if (beeType == S6B) sendAT(GF("LM")); // ask for the "link margin" - the dB above sensitivity
else sendAT(GF("DB")); // ask for the cell strenght in dBm
// wait for the response
unsigned long startMillis = millis();
while (!stream.available() && millis() - startMillis < 1000) {};
char buf[2] = {0}; // Set up buffer for response
buf[0] = streamRead();
buf[1] = streamRead();
DBG(buf[0], buf[1], "\n");
exitCommand();
int intr = strtol(buf, 0, 16);
if (beeType == S6B) return -93 + intr; // the maximum sensitivity is -93dBm
else return -1*intr; // need to convert to negative number
}
bool waitForNetwork(unsigned long timeout = 60000L) {
for (unsigned long start = millis(); millis() - start < timeout; ) {
commandMode();
if (beeType == S6B) sendAT(GF("AI"));
else sendAT(GF("CI"));
// wait for the response
unsigned long startMillis = millis();
while (!stream.available() && millis() - startMillis < 1000) {};
String res = streamReadUntil('\r'); // Does not send an OK, just the result
exitCommand();
if (res == GF("0")) {
return true;
}
delay(1000);
}
return false;
}
/*
* WiFi functions
*/
bool networkConnect(const char* ssid, const char* pwd) {
commandMode();
sendAT(GF("EE"), 2); // Set security to WPA2
waitResponse();
sendAT(GF("ID"), ssid);
if (waitResponse() != 1) {
goto fail;
}
sendAT(GF("PK"), pwd);
if (waitResponse() != 1) {
goto fail;
}
writeChanges();
exitCommand();
return true;
fail:
exitCommand();
return false;
}
bool networkDisconnect() {
return false; // Doesn't support disconnecting
}
/*
* GPRS functions
*/
bool gprsConnect(const char* apn, const char* user = "", const char* pw = "") {
commandMode();
sendAT(GF("AN"), apn); // Set the APN
waitResponse();
writeChanges();
exitCommand();
return true;
}
bool gprsDisconnect() { // TODO
return false;
}
/*
* Messaging functions
*/
void sendUSSD() {
}
void sendSMS() {
}
bool sendSMS(const String& number, const String& text) {
commandMode();
sendAT(GF("IP"), 2); // Put in text messaging mode
waitResponse();
sendAT(GF("PH"), number); // Set the phone number
waitResponse();
sendAT(GF("TDD")); // Set the text delimiter to the standard 0x0D (carriabe return)
waitResponse();
writeChanges();
exitCommand();
stream.print(text);
stream.write((char)0x0D); // close off with the carriage return
return true;
}
private:
int modemConnect(const char* host, uint16_t port, uint8_t mux = 1) {
sendAT(GF("LA"), host);
String IPaddr; IPaddr.reserve(16);
// wait for the response
unsigned long startMillis = millis();
while (stream.available() < 8 && millis() - startMillis < 30000) {};
IPaddr = streamReadUntil('\r'); // read result
IPAddress ip;
ip.fromString(IPaddr);
return modemConnect(ip, port);
}
int modemConnect(IPAddress ip, uint16_t port, uint8_t mux = 1) {
String host; host.reserve(16);
host += ip[0];
host += ".";
host += ip[1];
host += ".";
host += ip[2];
host += ".";
host += ip[3];
sendAT(GF("IP"), 1); // Put in TCP mode
waitResponse();
sendAT(GF("DL"), host); // Set the "Destination Address Low"
waitResponse();
sendAT(GF("DE"), String(port, HEX)); // Set the destination port
int rsp = waitResponse();
return rsp;
}
int modemSend(const void* buff, size_t len, uint8_t mux = 1) {
stream.write((uint8_t*)buff, len);
stream.flush();
return len;
}
bool modemGetConnected(uint8_t mux = 1) {
commandMode();
if (beeType == S6B) sendAT(GF("AI"));
else sendAT(GF("CI"));
int res = waitResponse(GF("0"));
exitCommand();
return 1 == res;
}
/* Private 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(); }
String streamReadUntil(char c) {
TINY_GSM_YIELD();
String return_string = stream.readStringUntil(c);
return_string.trim();
if (String(c) == GSM_NL){
DBG(return_string, "\r\n");
} else DBG(return_string, c);
return return_string;
}
void streamClear(void) {
while (stream.available())
{streamRead();}
}
bool commandMode(void){
delay(guardTime); // cannot send anything for 1 second before entering command mode
streamWrite(GF("+++")); // enter command mode
DBG("\r\n+++\r\n");
return 1 == waitResponse(guardTime*2);
}
void writeChanges(void){
sendAT(GF("WR")); // Write changes to flash
waitResponse();
sendAT(GF("AC")); // Apply changes
waitResponse();
}
void exitCommand(void){
sendAT(GF("CN")); // Exit command mode
waitResponse();
}
template<typename... Args>
void sendAT(Args... cmd) {
streamWrite("AT", cmd..., GSM_NL);
stream.flush();
TINY_GSM_YIELD();
DBG(">>> AT ", cmd..., "\r\n");
}
// 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);
int index = 0;
unsigned long startMillis = millis();
do {
TINY_GSM_YIELD();
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;
}
}
} while (millis() - startMillis < timeout);
finish:
if (!index) {
data.trim();
data.replace(GSM_NL GSM_NL, GSM_NL);
data.replace(GSM_NL, "\r\n" " ");
if (data.length()) {
DBG("### Unhandled:", data, "\r\n");
} else DBG("### NO RESPONSE!\r\n");
}
else {
data.trim();
data.replace(GSM_NL GSM_NL, GSM_NL);
data.replace(GSM_NL, "\r\n ");
if (data.length()) {
DBG("<<< ", data, "\r\n");
}
}
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:
int guardTime;
XBeeType beeType;
Stream& stream;
GsmClient* sockets[1];
};
typedef TinyGsm::GsmClient TinyGsmClient;
#endif