Daniel Lee / Mbed OS mbed-os-example-cellular-TPB23

SERCOMM/TPB23/SERCOMM_TPB23.cpp

Committer:
Daniel_Lee
Date:
2019-08-07
Revision:
45:63eba30af193
Child:
46:387c2d922a4a

File content as of revision 45:63eba30af193:

/*
 * Copyright (c) 2017, 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 "SERCOMM_TPB23_CellularNetwork.h"
#include "SERCOMM_TPB23_CellularContext.h"
#include "SERCOMM_TPB23_CellularInformation.h"
#include "SERCOMM_TPB23.h"
#include "CellularLog.h"

#define CONNECT_DELIM         "\r\n"
#define CONNECT_BUFFER_SIZE   (1280 + 80 + 80) // AT response + sscanf format
#define CONNECT_TIMEOUT       8000

using namespace events;
using namespace mbed;

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
    1,  // AT_CGSN_WITH_TYPE
    1,  // AT_CGDATA
    0,  // AT_CGAUTH
    1,  // AT_CNMI
    1,  // AT_CSMP
    1,  // AT_CMGF
    1,  // AT_CSDH
    1,  // PROPERTY_IPV4_STACK
    0,  // PROPERTY_IPV6_STACK
    0,  // PROPERTY_IPV4V6_STACK
    0,  // PROPERTY_NON_IP_PDP_TYPE
    1,  // PROPERTY_AT_CGEREP
};

SERCOMM_TPB23::SERCOMM_TPB23(FileHandle *fh) : AT_CellularDevice(fh)
{
    AT_CellularBase::set_cellular_properties(cellular_properties);
}

nsapi_error_t SERCOMM_TPB23::get_sim_state(SimState &state)
{
    _at->lock();
    _at->flush();
    _at->cmd_start("AT+NCCID?");
    _at->cmd_stop();
    _at->resp_start("+NCCID:");
    if (_at->info_resp()) {
        state = SimStateReady;
    } else {
        tr_warn("SIM not readable.");
        state = SimStateUnknown; // SIM may not be ready yet
    }
    _at->resp_stop();
    return _at->unlock_return_error();
}

AT_CellularNetwork *SERCOMM_TPB23::open_network_impl(ATHandler &at)
{
    return new SERCOMM_TPB23_CellularNetwork(at);
}

AT_CellularContext *SERCOMM_TPB23::create_context_impl(ATHandler &at, const char *apn, bool cp_req, bool nonip_req)
{
    return new SERCOMM_TPB23_CellularContext(at, this, apn, cp_req, nonip_req);
}

AT_CellularInformation *SERCOMM_TPB23::open_information_impl(ATHandler &at)
{
    return new SERCOMM_TPB23_CellularInformation(at);
}

nsapi_error_t SERCOMM_TPB23::init()
{
    _at->lock();
    _at->flush();
    _at->cmd_start("AT");
    _at->cmd_stop_read_resp();

    _at->cmd_start("AT+CMEE="); // verbose responses
    _at->write_int(1);
    _at->cmd_stop_read_resp();

    return _at->unlock_return_error();
}

#if MBED_CONF_SERCOMM_TPB23_PROVIDE_DEFAULT
#include "UARTSerial.h"
CellularDevice *CellularDevice::get_default_instance()
{
    static UARTSerial serial(MBED_CONF_SERCOMM_TPB23_TX, MBED_CONF_SERCOMM_TPB23_RX, MBED_CONF_SERCOMM_TPB23_BAUDRATE);
    static SERCOMM_TPB23 device(&serial);
    return &device;
}
#endif