Import Mbed OS hard-float snapshot

connectivity/drivers/cellular/QUECTEL/BG96/QUECTEL_BG96_CellularContext.cpp

@@ -0,0 +1,189 @@
+/*
+ * 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 "QUECTEL_BG96_CellularContext.h"
+#include "QUECTEL_BG96_CellularStack.h"
+#include "QUECTEL_BG96_ControlPlane_netif.h"
+#include "CellularLog.h"
+
+#include "Semaphore.h"
+
+namespace mbed {
+
+// Non-IP context supported only for context id 1
+#define NIDD_PDP_CONTEXT_ID 1
+// Timeout to wait for URC indicating NIDD connection opening
+#define NIDD_OPEN_URC_TIMEOUT 3000
+
+QUECTEL_BG96_CellularContext::QUECTEL_BG96_CellularContext(ATHandler &at, CellularDevice *device, const char *apn, bool cp_req, bool nonip_req) :
+    AT_CellularContext(at, device, apn, cp_req, nonip_req)
+{
+    if (_nonip_req) {
+        _at.set_urc_handler("+QIND:", mbed::Callback<void()>(this, &QUECTEL_BG96_CellularContext::urc_nidd));
+    }
+}
+
+QUECTEL_BG96_CellularContext::~QUECTEL_BG96_CellularContext()
+{
+    if (_nonip_req) {
+        _at.set_urc_handler("+QIND:", nullptr);
+    }
+}
+
+#if !NSAPI_PPP_AVAILABLE
+NetworkStack *QUECTEL_BG96_CellularContext::get_stack()
+{
+    if (_pdp_type == NON_IP_PDP_TYPE || (_nonip_req && _pdp_type != DEFAULT_PDP_TYPE)) {
+        tr_error("Requesting stack for NON-IP context! Should request control plane netif: get_cp_netif()");
+        return NULL;
+    }
+
+    if (!_stack) {
+        _stack = new QUECTEL_BG96_CellularStack(_at, _cid, (nsapi_ip_stack_t)_pdp_type, *get_device());
+    }
+
+    return _stack;
+}
+#endif // #if !NSAPI_PPP_AVAILABLE
+
+ControlPlane_netif *QUECTEL_BG96_CellularContext::get_cp_netif()
+{
+    if (!_cp_netif) {
+        _cp_netif = new QUECTEL_BG96_ControlPlane_netif(_at, _cid, *get_device());
+    }
+    return _cp_netif;
+}
+
+nsapi_error_t QUECTEL_BG96_CellularContext::do_user_authentication()
+{
+    uint8_t type = (uint8_t)_pdp_type;
+    if ((uint8_t)_pdp_type < 1) {
+        type = 1;
+    }
+
+    if (_pwd && _uname) {
+        if (_at.at_cmd_discard("+QICSGP", "=", "%d%d%s%s%s%d", _cid, type,
+                               _apn, _uname, _pwd, _authentication_type) != NSAPI_ERROR_OK) {
+            return NSAPI_ERROR_AUTH_FAILURE;
+        }
+    } else {
+        if (_at.at_cmd_discard("+QICSGP", "=", "%d%d%s", _cid, type,
+                               _apn) != NSAPI_ERROR_OK) {
+            return NSAPI_ERROR_AUTH_FAILURE;
+        }
+    }
+
+    return NSAPI_ERROR_OK;
+}
+
+nsapi_error_t QUECTEL_BG96_CellularContext::activate_non_ip_context()
+{
+
+    // Open the NIDD connection
+    nsapi_size_or_error_t ret = _at.at_cmd_discard("+QCFGEXT", "=\"nipd\",1");
+    if (ret == NSAPI_ERROR_OK) {
+        _at.lock();
+        _at.set_at_timeout(NIDD_OPEN_URC_TIMEOUT);
+        _at.resp_start("+QIND:");
+        urc_nidd();
+        _at.restore_at_timeout();
+        _at.unlock();
+        if (_cid == -1) {
+            return NSAPI_ERROR_NO_CONNECTION;
+        }
+    }
+
+    return (ret == NSAPI_ERROR_OK) ? NSAPI_ERROR_OK : NSAPI_ERROR_NO_CONNECTION;
+}
+
+void QUECTEL_BG96_CellularContext::activate_context()
+{
+    tr_info("Activate PDP context %d", _cid);
+
+    if (_at.at_cmd_discard("+QIACT", "=", "%d", _cid) == NSAPI_ERROR_OK) {
+        _is_context_activated = true;
+    }
+}
+
+void QUECTEL_BG96_CellularContext::deactivate_context()
+{
+    _at.at_cmd_discard("+QIDEACT", "=", "%d", _cid);
+}
+
+void QUECTEL_BG96_CellularContext::deactivate_non_ip_context()
+{
+    // Close the NIDD connection
+    _at.at_cmd_discard("+QCFGEXT", "=\"nipd\",0");
+}
+
+void QUECTEL_BG96_CellularContext::urc_nidd()
+{
+    char nipd_string[6];
+
+    // skip "nipd"
+    _at.skip_param();
+    _at.read_string(nipd_string, sizeof(nipd_string));
+
+    if (!strcmp(nipd_string, "recv")) {
+        cp_data_received();
+    } else if (!strcmp(nipd_string, "open")) {
+        urc_nidd_open();
+    } else if (!strcmp(nipd_string, "close")) {
+        urc_nidd_close();
+    }
+}
+
+void QUECTEL_BG96_CellularContext::urc_nidd_open()
+{
+    int err = _at.read_int();
+    if (!err) {
+        _is_context_active = true;
+        _is_context_activated = true;
+        _cid = NIDD_PDP_CONTEXT_ID;
+    } else {
+        tr_error("NIDD connection open failed with error: %d", err);
+    }
+}
+
+void QUECTEL_BG96_CellularContext::urc_nidd_close()
+{
+    set_disconnect();
+}
+
+nsapi_error_t QUECTEL_BG96_CellularContext::setup_control_plane_opt()
+{
+    _at.lock();
+
+    _at.at_cmd_discard("+QCFGEXT", "=\"pdp_type\",", "%d%s%s", NIDD_PDP_CONTEXT_ID, "Non-IP", _apn);
+
+    _at.at_cmd_discard("+CFUN", "=0");
+
+    _at.at_cmd_discard("+CFUN", "=1");
+
+    // Configure Non-IP outgoing data type - 0 for no exception data
+    nsapi_error_t err = _at.at_cmd_discard("+QCFGEXT", "=\"nipdcfg\",0,", "%s", _apn);
+
+    if (err == NSAPI_ERROR_OK) {
+        _cp_in_use = true;
+        if (_nonip_req) {
+            _pdp_type = NON_IP_PDP_TYPE;
+        }
+    }
+
+    return _at.unlock_return_error();
+}
+
+} /* namespace mbed */