mbed-os/connectivity/drivers/cellular/UBLOX/AT/UBLOX_AT.cpp

220 lines
6.8 KiB
C++

/*
* 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.h"
using namespace mbed;
using namespace events;
#ifdef UBX_MDM_SARA_R41XM
static const intptr_t cellular_properties[AT_CellularDevice::PROPERTY_MAX] = {
AT_CellularNetwork::RegistrationModeDisable,// C_EREG
AT_CellularNetwork::RegistrationModeLAC, // C_GREG
AT_CellularNetwork::RegistrationModeLAC, // C_REG
0, // AT_CGSN_WITH_TYPE
0, // AT_CGDATA
0, // AT_CGAUTH
1, // AT_CNMI
1, // AT_CSMP
1, // AT_CMGF
0, // AT_CSDH
1, // PROPERTY_IPV4_STACK
0, // PROPERTY_IPV6_STACK
0, // PROPERTY_IPV4V6_STACK
0, // PROPERTY_NON_IP_PDP_TYPE
1, // PROPERTY_AT_CGEREP
1, // PROPERTY_AT_COPS_FALLBACK_AUTO
7, // PROPERTY_SOCKET_COUNT
1, // PROPERTY_IP_TCP
1, // PROPERTY_IP_UDP
0, // PROPERTY_AT_SEND_DELAY
};
#elif defined(UBX_MDM_SARA_U2XX) || defined(UBX_MDM_SARA_G3XX)
static const intptr_t cellular_properties[AT_CellularDevice::PROPERTY_MAX] = {
AT_CellularNetwork::RegistrationModeDisable,// C_EREG
AT_CellularNetwork::RegistrationModeLAC, // C_GREG
AT_CellularNetwork::RegistrationModeLAC, // C_REG
#ifdef UBX_MDM_SARA_G3XX
0, // AT_CGSN_WITH_TYPE
#else
1, // AT_CGSN_WITH_TYPE
#endif
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
1, // PROPERTY_AT_COPS_FALLBACK_AUTO
7, // PROPERTY_SOCKET_COUNT
1, // PROPERTY_IP_TCP
1, // PROPERTY_IP_UDP
0, // PROPERTY_AT_SEND_DELAY
};
#else
static const intptr_t cellular_properties[AT_CellularDevice::PROPERTY_MAX] = {
0, // C_EREG
0, // C_GREG
0, // 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
0, // PROPERTY_IPV4_STACK
0, // PROPERTY_IPV6_STACK
0, // PROPERTY_IPV4V6_STACK
0, // PROPERTY_NON_IP_PDP_TYPE
0, // PROPERTY_AT_CGEREP
0, // PROPERTY_AT_COPS_FALLBACK_AUTO
0, // PROPERTY_SOCKET_COUNT
0, // PROPERTY_IP_TCP
0, // PROPERTY_IP_UDP
0, // PROPERTY_AT_SEND_DELAY
};
#endif
UBLOX_AT::UBLOX_AT(FileHandle *fh) : AT_CellularDevice(fh), ubx_context(0)
{
set_cellular_properties(cellular_properties);
}
AT_CellularNetwork *UBLOX_AT::open_network_impl(ATHandler &at)
{
return new UBLOX_AT_CellularNetwork(at, *this);
}
AT_CellularContext *UBLOX_AT::create_context_impl(ATHandler &at, const char *apn, bool cp_req, bool nonip_req)
{
ubx_context = new UBLOX_AT_CellularContext(at, this, apn, cp_req, nonip_req);
return ubx_context;
}
#if MBED_CONF_UBLOX_AT_PROVIDE_DEFAULT
#include "drivers/BufferedSerial.h"
CellularDevice *CellularDevice::get_default_instance()
{
static BufferedSerial serial(MBED_CONF_UBLOX_AT_TX, MBED_CONF_UBLOX_AT_RX, MBED_CONF_UBLOX_AT_BAUDRATE);
#if defined (MBED_CONF_UBLOX_AT_RTS) && defined(MBED_CONF_UBLOX_AT_CTS)
tr_debug("UBLOX_AT flow control: RTS %d CTS %d", MBED_CONF_UBLOX_AT_RTS, MBED_CONF_UBLOX_AT_CTS);
serial.set_flow_control(SerialBase::RTSCTS, MBED_CONF_UBLOX_AT_RTS, MBED_CONF_UBLOX_AT_CTS);
#endif
static UBLOX_AT device(&serial);
return &device;
}
#endif
nsapi_error_t UBLOX_AT::init()
{
setup_at_handler();
_at.lock();
_at.flush();
_at.at_cmd_discard("", "");
#if defined(UBX_MDM_SARA_U2XX) || defined(UBX_MDM_SARA_G3XX)
nsapi_error_t err = _at.at_cmd_discard("E0", ""); // echo off
if (err == NSAPI_ERROR_OK) {
_at.at_cmd_discard("+CMEE", "=1"); // verbose responses
err = _at.at_cmd_discard("+CFUN", "=1"); // set full functionality
}
#elif defined(UBX_MDM_SARA_R41XM)
nsapi_error_t err = _at.at_cmd_discard("+CFUN", "=", "%d", 4);
if (err == NSAPI_ERROR_OK) {
_at.at_cmd_discard("E0", ""); // echo off
_at.at_cmd_discard("+CMEE", "=1"); // verbose responses
config_authentication_parameters();
err = _at.at_cmd_discard("+CFUN", "=1"); // set full functionality
}
#else
_at.unlock();
return NSAPI_ERROR_UNSUPPORTED;
#endif
return _at.unlock_return_error();
}
nsapi_error_t UBLOX_AT::config_authentication_parameters()
{
char *config = NULL;
nsapi_error_t err;
const char *apn;
const char *uname;
const char *pwd;
CellularContext::AuthenticationType auth = CellularContext::NOAUTH;
char imsi[MAX_IMSI_LENGTH + 1];
if (ubx_context->get_apn() == NULL) {
err = get_imsi(imsi);
if (err == NSAPI_ERROR_OK) {
config = (char *)apnconfig(imsi);
}
ubx_context->get_next_credentials(&config);
}
apn = ubx_context->get_apn();
pwd = ubx_context->get_pwd();
uname = ubx_context->get_uname();
if (*uname && *pwd) {
auth = ubx_context->get_auth();
}
err = set_authentication_parameters(apn, uname, pwd, auth);
return err;
}
nsapi_error_t UBLOX_AT::set_authentication_parameters(const char *apn,
const char *username,
const char *password,
CellularContext::AuthenticationType auth)
{
int modem_security = ubx_context->nsapi_security_to_modem_security(auth);
nsapi_error_t err = _at.at_cmd_discard("+CGDCONT", "=", "%d%s%s", 1, "IP", apn);
if (err == NSAPI_ERROR_OK) {
#ifdef UBX_MDM_SARA_R41XM
if (modem_security == CellularContext::CHAP) {
err = _at.at_cmd_discard("+UAUTHREQ", "=", "%d%d%s%s", 1, modem_security, password, username);
} else if (modem_security == CellularContext::NOAUTH) {
err = _at.at_cmd_discard("+UAUTHREQ", "=", "%d%d", 1, modem_security);
} else {
err = _at.at_cmd_discard("+UAUTHREQ", "=", "%d%d%s%s", 1, modem_security, username, password);
}
#else
err = _at.at_cmd_discard("+UAUTHREQ", "=", "%d%d%s%s", 1, modem_security, username, password);
#endif
}
return err;
}
nsapi_error_t UBLOX_AT::get_imsi(char *imsi)
{
//Special case: Command put in cmd_chr to make a 1 liner
return _at.at_cmd_str("", "+CIMI", imsi, MAX_IMSI_LENGTH + 1);
}