Cellular: Added support for the Gemalto/EMS31 cellular module

Author: Ari Parkkila

features/cellular/framework/targets/GEMALTO/CINTERION/GEMALTO_CINTERION_CellularNetwork.cpp

@@ -49,6 +49,9 @@ bool GEMALTO_CINTERION_CellularNetwork::get_modem_stack_type(nsapi_ip_stack_t re
 
 bool GEMALTO_CINTERION_CellularNetwork::has_registration(RegistrationType reg_type)
 {
+    if (GEMALTO_CINTERION_Module::get_model() == GEMALTO_CINTERION_Module::ModelEMS31) {
+        return (reg_type == C_EREG);
+    }
     if (GEMALTO_CINTERION_Module::get_model() == GEMALTO_CINTERION_Module::ModelBGS2) {
         return (reg_type == C_REG || reg_type == C_GREG);
     }

features/cellular/framework/targets/GEMALTO/CINTERION/GEMALTO_CINTERION_CellularStack.cpp

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-#include <stdlib.h>
+#include <cstdlib>
 #include "GEMALTO_CINTERION_CellularStack.h"
 #include "GEMALTO_CINTERION_Module.h"
 #include "CellularLog.h"
@@ -176,7 +176,6 @@ nsapi_error_t GEMALTO_CINTERION_CellularStack::socket_open_defer(CellularSocket
     _at.resp_start();
     _at.resp_stop();
 
-
     _at.cmd_start("AT^SISO=");
     _at.write_int(socket->id);
     _at.cmd_stop();
@@ -483,6 +482,11 @@ nsapi_size_or_error_t GEMALTO_CINTERION_CellularStack::socket_recvfrom_impl(Cell
 // setup internet connection profile for sockets
 bool GEMALTO_CINTERION_CellularStack::create_connection_profile()
 {
+    if (GEMALTO_CINTERION_Module::get_model() == GEMALTO_CINTERION_Module::ModelEMS31) {
+        // EMS31 connection has only DNS settings and there is no need to modify those here for now
+        return true;
+    }
+
     char conParamType[12];
     std::sprintf(conParamType, "GPRS%d", (_stack_type == IPV4_STACK) ? 0 : 6);
     _at.cmd_start("AT^SICS?");

features/cellular/framework/targets/GEMALTO/CINTERION/GEMALTO_CINTERION_Module.cpp

@@ -29,12 +29,17 @@ static const AT_CellularBase::SupportedFeature unsupported_features_els61[] =  {
     AT_CellularBase::SUPPORTED_FEATURE_END_MARK
 };
 
-// unsupported features as per EMS31-US_ATC_V4.9.5
+// unsupported features as per BGS2-W_ATC_V00.100
 static const AT_CellularBase::SupportedFeature unsupported_features_bgs2[] =  {
     AT_CellularBase::AT_CGSN_WITH_TYPE,
     AT_CellularBase::SUPPORTED_FEATURE_END_MARK
 };
 
+// unsupported features as per EMS31-US_ATC_V4.9.5
+static const AT_CellularBase::SupportedFeature unsupported_features_ems31[] =  {
+    AT_CellularBase::SUPPORTED_FEATURE_END_MARK
+};
+
 GEMALTO_CINTERION_Module::Model GEMALTO_CINTERION_Module::_model;
 
 nsapi_error_t GEMALTO_CINTERION_Module::detect_model(const char *model)
@@ -46,6 +51,9 @@ nsapi_error_t GEMALTO_CINTERION_Module::detect_model(const char *model)
     } else if (memcmp(model, "BGS2", sizeof("BGS2") - 1) == 0) {
         _model = ModelBGS2;
         unsupported_features = unsupported_features_bgs2;
+    } else if (memcmp(model, "EMS31", sizeof("EMS31") - 1) == 0) {
+        _model = ModelEMS31;
+        unsupported_features = unsupported_features_ems31;
     } else {
         tr_error("Cinterion model unsupported %s", model);
         return NSAPI_ERROR_UNSUPPORTED;

features/cellular/framework/targets/GEMALTO/CINTERION/GEMALTO_CINTERION_Module.h

@@ -33,6 +33,7 @@ class GEMALTO_CINTERION_Module {
         ModelUnknown = 0,
         ModelELS61,
         ModelBGS2,
+        ModelEMS31,
     };
     static nsapi_error_t detect_model(const char *model);
     static Model get_model();