Riot Micro cellular device

features/cellular/framework/targets/RiotMicro/AT/RM1000_AT.cpp

@@ -0,0 +1,105 @@
+/*
+ * 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 "RM1000_AT.h"
+
+#include "RM1000_AT_CellularContext.h"
+#include "RM1000_AT_CellularNetwork.h"
+
+#include "mbed-trace/mbed_trace.h"
+#ifndef TRACE_GROUP
+#define TRACE_GROUP  "RIOT"
+#endif // TRACE_GROUP
+
+using namespace mbed;
+using namespace events;
+static const uint16_t retry_timeout[] = {1, 2, 4};
+static const intptr_t cellular_properties[AT_CellularBase::PROPERTY_MAX] = {
+    AT_CellularNetwork::RegistrationModeLAC,// C_EREG
+    AT_CellularNetwork::RegistrationModeDisable,// C_GREG
+    AT_CellularNetwork::RegistrationModeDisable,// C_REG
+    0,  // AT_CGSN_WITH_TYPE
+    0,  // AT_CGDATA
+    0,  // AT_CGAUTH
+    0,  // AT_CNMI
+    0,  // AT_CSMP
+    0,  // AT_CMGF
+    0,  // AT_CSDH
+    1,  // PROPERTY_IPV4_STACK
+    1,  // PROPERTY_IPV6_STACK
+    1,  // PROPERTY_IPV4V6_STACK
+    0,  // PROPERTY_NON_IP_PDP_TYPE
+    0,  // PROPERTY_AT_CGEREP
+};
+
+RM1000_AT::RM1000_AT(FileHandle *fh) : AT_CellularDevice(fh)
+{
+    tr_debug("RM1000_AT::RM1000_AT");
+    AT_CellularBase::set_cellular_properties(cellular_properties);
+    set_retry_timeout_array(retry_timeout, sizeof(retry_timeout) / sizeof(retry_timeout[0]));
+}
+
+AT_CellularNetwork *RM1000_AT::open_network_impl(ATHandler &at)
+{
+    tr_debug("RM1000_AT::open_network_impl");
+    return new RM1000_AT_CellularNetwork(at);
+}
+
+AT_CellularContext *RM1000_AT::create_context_impl(ATHandler &at, const char *apn, bool cp_req, bool nonip_req)
+{
+    tr_debug("RM1000_AT::create_context_impl");
+    return new RM1000_AT_CellularContext(at, this, apn, cp_req, nonip_req);
+}
+
+nsapi_error_t RM1000_AT::init()
+{
+    tr_debug("RM1000_AT::init");
+
+    _at->lock();
+    _at->flush();
+    _at->cmd_start("ATE0"); // echo off
+    _at->cmd_stop_read_resp();
+
+    _at->cmd_start("AT+SIM=physical");
+    _at->cmd_stop_read_resp();
+
+    _at->set_at_timeout(5000);
+    _at->cmd_start("AT+CFUN=1"); // set full functionality
+    _at->cmd_stop_read_resp();
+
+    _at->cmd_start("AT+VERBOSE=0"); // verbose responses
+    _at->cmd_stop_read_resp();
+
+    return _at->unlock_return_error();
+}
+
+#if MBED_CONF_RM1000_AT_PROVIDE_DEFAULT
+#include "UARTSerial.h"
+CellularDevice *CellularDevice::get_default_instance()
+{
+    tr_debug("Calling CellularDevice::get_default_instance from RM1000_AT");
+
+    static UARTSerial serial(MBED_CONF_RM1000_AT_TX, MBED_CONF_RM1000_AT_RX, MBED_CONF_RM1000_AT_BAUDRATE);
+#if defined (MBED_CONF_RM1000_AT_RTS) && defined(MBED_CONF_RM1000_AT_CTS)
+    tr_debug("RM1000_AT flow control: RTS %d CTS %d", MBED_CONF_RM1000_AT_RTS, MBED_CONF_RM1000_AT_CTS);
+    serial.set_flow_control(SerialBase::RTSCTS, MBED_CONF_RM1000_AT_RTS, MBED_CONF_RM1000_AT_CTS);
+#endif
+    static RM1000_AT device(&serial);
+    return &device;
+}
+#endif
+

features/cellular/framework/targets/RiotMicro/AT/RM1000_AT.h

@@ -0,0 +1,41 @@
+/*
+ * 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.
+ */
+
+#ifndef RM1000_AT_H_
+#define RM1000_AT_H_
+
+#include "AT_CellularDevice.h"
+
+namespace mbed {
+
+class RM1000_AT : public AT_CellularDevice {
+public:
+    RM1000_AT(FileHandle *fh);
+
+protected: // AT_CellularDevice
+    virtual AT_CellularNetwork *open_network_impl(ATHandler &at);
+    virtual AT_CellularContext *create_context_impl(ATHandler &at, const char *apn, bool cp_req = false, bool nonip_req = false);
+
+    virtual nsapi_error_t init();
+
+public: // NetworkInterface
+    void handle_urc(FileHandle *fh);
+};
+
+} // namespace mbed
+
+#endif // RM1000_AT_H_

features/cellular/framework/targets/RiotMicro/AT/RM1000_AT_CellularContext.cpp

@@ -0,0 +1,54 @@
+/*
+ * 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 "RM1000_AT_CellularContext.h"
+
+#include "APN_db.h"
+#include "RM1000_AT_CellularStack.h"
+#include "mbed-trace/mbed_trace.h"
+#ifndef TRACE_GROUP
+#define TRACE_GROUP  "RIOT"
+#endif // TRACE_GROUP
+
+namespace mbed {
+
+RM1000_AT_CellularContext::RM1000_AT_CellularContext(ATHandler &at, CellularDevice *device, const char *apn, bool cp_req, bool nonip_req) :
+    AT_CellularContext(at, device, apn, cp_req, nonip_req)
+{
+    tr_debug("Calling RM1000_AT_CellularContext::RM1000_AT_CellularContext");
+}
+
+RM1000_AT_CellularContext::~RM1000_AT_CellularContext()
+{
+    tr_debug("Calling RM1000_AT_CellularContext::~RM1000_AT_CellularContext");
+}
+
+NetworkStack *RM1000_AT_CellularContext::get_stack()
+{
+    tr_debug("Calling RM1000_AT_CellularContext::get_stack");
+
+    if (_pdp_type == NON_IP_PDP_TYPE || _cp_in_use) {
+        tr_error("Requesting stack for NON-IP context! Should request control plane netif: get_cp_netif()");
+        return NULL;
+    }
+    if (!_stack) {
+        _stack = new RM1000_AT_CellularStack(_at, _cid, (nsapi_ip_stack_t)_pdp_type);
+    }
+
+    return _stack;
+}
+
+} /* namespace mbed */

features/cellular/framework/targets/RiotMicro/AT/RM1000_AT_CellularContext.h

@@ -0,0 +1,35 @@
+/*
+ * 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.
+ */
+#ifndef RM1000_AT_CELLULARCONTEXT_H_
+#define RM1000_AT_CELLULARCONTEXT_H_
+
+#include "AT_CellularContext.h"
+
+namespace mbed {
+
+class RM1000_AT_CellularContext: public AT_CellularContext {
+public:
+    RM1000_AT_CellularContext(ATHandler &at, CellularDevice *device, const char *apn, bool cp_req = false, bool nonip_req = false);
+    virtual ~RM1000_AT_CellularContext();
+
+protected:
+    virtual NetworkStack *get_stack();
+};
+
+} /* namespace mbed */
+
+#endif // RM1000_AT_CELLULARCONTEXT_H_

features/cellular/framework/targets/RiotMicro/AT/RM1000_AT_CellularNetwork.cpp

@@ -0,0 +1,89 @@
+/*
+ * 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 <stdlib.h>
+#include "rtos.h"
+#include "CellularCommon.h"
+#include "RM1000_AT_CellularNetwork.h"
+#include "platform/mbed_wait_api.h"
+
+#include "mbed-trace/mbed_trace.h"
+#ifndef TRACE_GROUP
+#define TRACE_GROUP  "RIOT"
+#endif // TRACE_GROUP
+using namespace mbed;
+
+// Callback for MODEM faults URC.
+void RM1000_AT_CellularNetwork::MODEM_FAULT_URC()
+{
+    tr_debug("RM1000_AT_CellularNetwork::ASSERTED_URC");
+    _connect_status = NSAPI_STATUS_DISCONNECTED;
+    if (_connection_status_cb) {
+        _connection_status_cb(NSAPI_EVENT_CONNECTION_STATUS_CHANGE, NSAPI_STATUS_DISCONNECTED);
+    }
+}
+
+RM1000_AT_CellularNetwork::RM1000_AT_CellularNetwork(ATHandler &atHandler) : AT_CellularNetwork(atHandler)
+{
+    tr_debug("RM1000_AT_CellularNetwork::RM1000_B0_CellularNetwork");
+    _op_act = RAT_UNKNOWN;
+    _at.set_urc_handler("ASSERTED!", callback(this, &RM1000_AT_CellularNetwork::MODEM_FAULT_URC));
+    _at.set_urc_handler("ERRCODE:", callback(this, &RM1000_AT_CellularNetwork::MODEM_FAULT_URC));
+    _at.set_urc_handler("Halt the processor", callback(this, &RM1000_AT_CellularNetwork::MODEM_FAULT_URC));
+}
+
+RM1000_AT_CellularNetwork::~RM1000_AT_CellularNetwork()
+{
+    tr_debug("RM1000_AT_CellularNetwork::~RM1000_B0_CellularNetwork");
+
+    _at.set_urc_handler("ASSERTED!", NULL);
+    _at.set_urc_handler("ERRCODE:", NULL);
+    _at.set_urc_handler("Halt the processor", NULL);
+}
+
+nsapi_error_t RM1000_AT_CellularNetwork::set_access_technology_impl(RadioAccessTechnology opRat)
+{
+    nsapi_error_t ret = NSAPI_ERROR_OK;
+
+    tr_debug("RM1000_AT_CellularNetwork::set_access_technology_impl %d", opRat);
+
+    switch (opRat) {
+        case RAT_NB1:
+            break;
+        default: {
+            _op_act = RAT_UNKNOWN;
+            ret = NSAPI_ERROR_UNSUPPORTED;
+        }
+    }
+
+    return (ret);
+}
+
+nsapi_error_t RM1000_AT_CellularNetwork::set_registration_urc(RegistrationType type, bool urc_on)
+{
+    tr_debug("RM1000_AT_CellularNetwork::set_registration_urc");
+
+    int index = (int)type;
+    MBED_ASSERT(index >= 0 && index < C_MAX);
+
+    RegistrationMode mode = (RegistrationMode)get_property((AT_CellularBase::CellularProperty)type);
+    if (mode == RegistrationModeDisable) {
+        return NSAPI_ERROR_UNSUPPORTED;
+    } else {
+        return NSAPI_ERROR_OK; /* FIXME use at commands */
+    }
+}

features/cellular/framework/targets/RiotMicro/AT/RM1000_AT_CellularNetwork.h

@@ -0,0 +1,41 @@
+/*
+ * 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.
+ */
+
+#ifndef RM1000_AT_CELLULAR_NETWORK_H_
+#define RM1000_AT_CELLULAR_NETWORK_H_
+
+#include "AT_CellularNetwork.h"
+
+namespace mbed {
+
+class RM1000_AT_CellularNetwork : public AT_CellularNetwork {
+public:
+    RM1000_AT_CellularNetwork(ATHandler &atHandler);
+    virtual ~RM1000_AT_CellularNetwork();
+
+    virtual nsapi_error_t set_registration_urc(RegistrationType type, bool on);
+
+protected:
+    virtual nsapi_error_t set_access_technology_impl(RadioAccessTechnology opRat);
+private:
+    // URC handlers
+    void MODEM_FAULT_URC();
+};
+
+} // namespace mbed
+
+#endif // RM1000_AT_CELLULAR_NETWORK_H_