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No PSD profile-type commands for LTE-M/NB-IoT

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This commit is contained in:
Sara Damiano
2018-11-07 18:00:44 -05:00
parent f5c141c2cc
commit 3b405775a8
3 changed files with 60 additions and 36 deletions
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2
library.json
View File

@@ -1,6 +1,6 @@
{
"name": "TinyGSM",
"version": "0.4.6",
"version": "0.4.7",
"description": "A small Arduino library for GPRS modules, that just works. Includes examples for Blynk, MQTT, File Download, and Web Client. Supports many GSM and wifi modules with AT command interfaces.",
"keywords": "GSM, AT commands, AT, SIM800, SIM900, A6, A7, M590, ESP8266, SIM800A, SIM800C, SIM800L, SIM800H, SIM808, SIM868, SIM900A, SIM900D, SIM908, SIM968, M95, MC60, MC60E, BG96, ublox",
"authors":

2
library.properties
View File

@@ -1,5 +1,5 @@
name=TinyGSM
version=0.4.6
version=0.4.7
author=Volodymyr Shymanskyy
maintainer=Volodymyr Shymanskyy
sentence=A small Arduino library for GPRS modules, that just works.

92
src/TinyGsmClientUBLOX.h
View File

@@ -201,6 +201,7 @@ public:
: TinyGsmModem(stream), stream(stream)
{
memset(sockets, 0, sizeof(sockets));
isCatM_NBIoT = false;
}
/*
@@ -215,7 +216,19 @@ public:
if (waitResponse() != 1) {
return false;
}
DBG(GF("### Modem:"), getModemName());
#ifdef TINY_GSM_DEBUG
sendAT(GF("+CMEE=2")); // turn on verbose error codes
#else
sendAT(GF("+CMEE=0")); // turn off error codes
#endif
waitResponse();
String name = getModemName();
DBG(GF("### Modem:"), name);
if (name.startsWith("u-blox SARA-R") or name.startsWith("u-blox SARA-N")) {
isCatM_NBIoT = true;
}
int ret = getSimStatus();
if (ret != SIM_READY && pin != NULL && strlen(pin) > 0) {
simUnlock(pin);
@@ -230,7 +243,6 @@ public:
return "u-blox Cellular Modem";
}
res1.replace(GSM_NL "OK" GSM_NL, "");
res1.replace(GSM_NL, " ");
res1.trim();
sendAT(GF("+GMM"));
@@ -239,7 +251,6 @@ public:
return "u-blox Cellular Modem";
}
res2.replace(GSM_NL "OK" GSM_NL, "");
res2.replace(GSM_NL, " ");
res2.trim();
return res1 + String(' ') + res2;
@@ -440,37 +451,49 @@ public:
return false;
}
// NOTE: Setting up the PSD profile/PDP context with the UPSD commands
// sets up an "internal" PDP context, i.e. a data connection using the
// internal IP stack and related AT commands for sockets.
// Using CGDCONT sets up an "external" PCP context, i.e. a data connection
// using the external IP stack (e.g. Windows dial up) and PPP link over the
// serial interface. This is the only command set supported by the LTE-M
// and LTE NB-IoT modules (SARA-R4x, SARA-N4X, SARA-N2x)
// Using CGDCONT would set up an "external" PCP context, i.e. a data
// connection using the external IP stack (e.g. Windows dial up) and PPP
// link over the serial interface.
// Setting up the PSD profile/PDP context with the UPSD commands sets up an
// "internal" PDP context, i.e. a data connection using the internal IP
// stack and related AT commands for sockets. This is what we're using for
// all of the other modules.
sendAT(GF("+UPSD=0,1,\""), apn, '"'); // Set APN for PSD profile 0
waitResponse();
if (isCatM_NBIoT) {
if (user && strlen(user) > 0) {
sendAT(GF("+CGAUTH=1,0,\""), user, GF("\",\""), pwd, '"'); // Set the authentication
waitResponse();
}
if (user && strlen(user) > 0) {
sendAT(GF("+UPSD=0,2,\""), user, '"'); // Set user for PSD profile 0
sendAT(GF("+CGDCONT=1,\"IP\",\""), apn, '"'); // Define the PDP context
waitResponse();
}
if (pwd && strlen(pwd) > 0) {
sendAT(GF("+UPSD=0,3,\""), pwd, '"'); // Set password for PSD profile 0
waitResponse();
}
sendAT(GF("+UPSD=0,7,\"0.0.0.0\"")); // Dynamic IP on PSD profile 0
waitResponse();
// LTE modules do not support UPSDA and UPSND commands, even for "internal" contexts
if (getModemName().startsWith(GF("SARA-R")) or getModemName().startsWith(GF("SARA-N")))
sendAT(GF("+CGACT=0,1")); // activate PDP profile/context 0
sendAT(GF("+CGACT=1,1")); // activate PDP profile/context 1
if (waitResponse(150000L) != 1) {
return false;
}
return true;
}
else {
sendAT(GF("+UPSD=0,1,\""), apn, '"'); // Set APN for PSD profile 0
waitResponse();
if (user && strlen(user) > 0) {
sendAT(GF("+UPSD=0,2,\""), user, '"'); // Set user for PSD profile 0
waitResponse();
}
if (pwd && strlen(pwd) > 0) {
sendAT(GF("+UPSD=0,3,\""), pwd, '"'); // Set password for PSD profile 0
waitResponse();
}
sendAT(GF("+UPSD=0,7,\"0.0.0.0\"")); // Dynamic IP on PSD profile 0
waitResponse();
sendAT(GF("+UPSDA=0,3")); // Activate the PDP context associated with profile 0
if (waitResponse(360000L) != 1) {
return false;
@@ -481,19 +504,19 @@ public:
return false;
}
waitResponse();
return true;
}
return true;
}
bool gprsDisconnect() {
// LTE modules do not support UPSDA and UPSND commands, even for "internal" contexts
if (getModemName().startsWith(GF("SARA-R")) or getModemName().startsWith(GF("SARA-N")))
sendAT(GF("+CGACT=0,0")); // activate PDP profile/context 0
// LTE-M and NB-IoT modules do not support UPSx commands
if (isCatM_NBIoT) {
sendAT(GF("+CGACT=1,0")); // Deactivate PDP context 0
if (waitResponse(40000L) != 1) {
return false;
}
}
else {
@@ -527,14 +550,14 @@ public:
*/
String getLocalIP() {
// LTE modules do not support UPSDA and UPSND commands, even for "internal" contexts
if (getModemName().startsWith(GF("SARA-R")) or getModemName().startsWith(GF("SARA-N"))) {
sendAT(GF("+CGPADDR?"));
// LTE-M and NB-IoT modules do not support UPSx commands
if (isCatM_NBIoT) {
sendAT(GF("+CGPADDR"));
if (waitResponse(GF(GSM_NL "+CGPADDR:")) != 1) {
return "";
}
streamSkipUntil('\"'); // Skip context id
String res = stream.readStringUntil('\"');
streamSkipUntil(','); // Skip context id
String res = stream.readStringUntil('\r');
if (waitResponse() != 1) {
return "";
}
@@ -815,6 +838,7 @@ public:
protected:
GsmClient* sockets[TINY_GSM_MUX_COUNT];
bool isCatM_NBIoT;
};
#endif