Import Mbed OS hard-float snapshot

connectivity/drivers/cellular/UBLOX/AT/UBLOX_AT_CellularNetwork.cpp

@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2018, Arm Limited and affiliates.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "UBLOX_AT_CellularNetwork.h"
+#include "rtos/ThisThread.h"
+
+using namespace std::chrono_literals;
+using namespace mbed;
+
+UBLOX_AT_CellularNetwork::UBLOX_AT_CellularNetwork(ATHandler &atHandler, AT_CellularDevice &device) : AT_CellularNetwork(atHandler, device)
+{
+    _op_act = RAT_UNKNOWN;
+}
+
+UBLOX_AT_CellularNetwork::~UBLOX_AT_CellularNetwork()
+{
+    if (_connection_status_cb) {
+        _connection_status_cb(NSAPI_EVENT_CONNECTION_STATUS_CHANGE, NSAPI_ERROR_CONNECTION_LOST);
+    }
+}
+
+nsapi_error_t UBLOX_AT_CellularNetwork::set_access_technology_impl(RadioAccessTechnology opRat)
+{
+    nsapi_error_t ret = NSAPI_ERROR_OK;
+    CellularNetwork::AttachStatus status;
+
+    get_attach(status);
+    if (status == Attached) {
+        tr_debug("RAT should only be set in detached state");
+        return NSAPI_ERROR_UNSUPPORTED;
+    }
+
+    _at.lock();
+    switch (opRat) {
+        case RAT_EGPRS:
+#if defined (UBX_MDM_SARA_R412M)
+            _at.at_cmd_discard("+URAT", "=", "%d%d", 9, 8);
+            break;
+#endif
+#if defined(UBX_MDM_SARA_U201)
+        case RAT_GSM:
+            _at.at_cmd_discard("+URAT", "=", "%d%d", 0, 0);
+            break;
+        case RAT_UTRAN:
+        case RAT_HSDPA:
+        case RAT_HSUPA:
+        case RAT_HSDPA_HSUPA:
+            _at.at_cmd_discard("+URAT", "=", "%d%d", 2, 2);
+            break;
+#elif defined(UBX_MDM_SARA_R41XM)
+        case RAT_CATM1:
+            _at.at_cmd_discard("+URAT", "=", "%d%d", 7, 8);
+            break;
+        case RAT_NB1:
+            _at.at_cmd_discard("+URAT", "=", "%d%d", 8, 7);
+            break;
+#endif
+        default:
+            _op_act = RAT_UNKNOWN;
+            ret = NSAPI_ERROR_UNSUPPORTED;
+            break;
+    }
+    _at.unlock();
+    ubx_reboot();
+
+    return (ret);
+}
+
+nsapi_error_t UBLOX_AT_CellularNetwork::ubx_reboot()
+{
+    _at.lock();
+    _at.at_cmd_discard("+CFUN", "=15");
+
+    nsapi_error_t err = NSAPI_ERROR_OK;
+    Timer t1;
+    t1.start();
+    while (!(t1.elapsed_time() >= 30s)) {
+        err = _at.at_cmd_discard("E0", "");
+        if (err == NSAPI_ERROR_OK) {
+            break;
+        } else {
+            //Don't clear err here so that we get some error in case of failure
+            _at.clear_error();
+            rtos::ThisThread::sleep_for(1s);
+        }
+    }
+    t1.stop();
+    _at.unlock();
+    return err;
+}