mbed-os/connectivity/drivers/cellular/QUECTEL/BG96/QUECTEL_BG96_CellularStack.h

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4.1 KiB
C++

/*
* 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.
*/
#ifndef QUECTEL_BG96_CELLULARSTACK_H_
#define QUECTEL_BG96_CELLULARSTACK_H_
#include "AT_CellularStack.h"
namespace mbed {
#define BG96_CREATE_SOCKET_TIMEOUT 150s
#define BG96_CLOSE_SOCKET_TIMEOUT 20s // TCP socket max timeout is >10sec
#define BG96_MAX_RECV_SIZE 1500
#define BG96_MAX_SEND_SIZE 1460
#define BG96_SOCKET_BIND_FAIL 556
typedef enum {
URC_RECV,
URC_CLOSED,
} urc_type_t;
class QUECTEL_BG96_CellularStack : public AT_CellularStack {
public:
QUECTEL_BG96_CellularStack(ATHandler &atHandler, int cid, nsapi_ip_stack_t stack_type, AT_CellularDevice &device);
virtual ~QUECTEL_BG96_CellularStack();
protected: // NetworkStack
virtual nsapi_error_t socket_listen(nsapi_socket_t handle, int backlog);
virtual nsapi_error_t socket_accept(nsapi_socket_t server,
nsapi_socket_t *handle, SocketAddress *address = 0);
virtual nsapi_error_t socket_connect(nsapi_socket_t handle, const SocketAddress &address);
#ifdef MBED_CONF_CELLULAR_OFFLOAD_DNS_QUERIES
virtual nsapi_error_t gethostbyname(const char *host, SocketAddress *address, nsapi_version_t version, const char *interface_name);
virtual nsapi_value_or_error_t gethostbyname_async(const char *host, hostbyname_cb_t callback, nsapi_version_t version = NSAPI_UNSPEC,
const char *interface_name = NULL);
virtual nsapi_error_t gethostbyname_async_cancel(int id);
#endif
#if defined(MBED_CONF_NSAPI_OFFLOAD_TLSSOCKET) && (MBED_CONF_NSAPI_OFFLOAD_TLSSOCKET)
virtual nsapi_error_t setsockopt(nsapi_socket_t handle, int level,
int optname, const void *optval, unsigned optlen);
#endif
protected: // AT_CellularStack
virtual nsapi_error_t socket_close_impl(int sock_id);
virtual nsapi_error_t create_socket_impl(CellularSocket *socket);
virtual nsapi_size_or_error_t socket_sendto_impl(CellularSocket *socket, const SocketAddress &address,
const void *data, nsapi_size_t size);
virtual nsapi_size_or_error_t socket_recvfrom_impl(CellularSocket *socket, SocketAddress *address,
void *buffer, nsapi_size_t size);
private:
// URC handler
void urc_qiurc(urc_type_t urc_type);
// URC handler for socket data being received
void urc_qiurc_recv();
// URC handler for socket being closed
void urc_qiurc_closed();
void handle_open_socket_response(int &modem_connect_id, int &err, bool tlssocket);
#if defined(MBED_CONF_NSAPI_OFFLOAD_TLSSOCKET) && (MBED_CONF_NSAPI_OFFLOAD_TLSSOCKET)
nsapi_error_t set_to_modem_impl(const char *filename, const char *config, const char *data, size_t size);
#endif
#ifdef MBED_CONF_CELLULAR_OFFLOAD_DNS_QUERIES
// URC handler for DNS query
void urc_qiurc_dnsgip();
// read DNS query result
bool read_dnsgip(SocketAddress &address, nsapi_version_t _dns_version);
hostbyname_cb_t _dns_callback;
nsapi_version_t _dns_version;
#endif
uint8_t _tls_sec_level;
/** Convert IP address to dotted string representation
*
* BG96 requires consecutive zeros so can't use get_ip_address or ip6tos directly.
*
* @param ip address
* @param dot buffer with size NSAPI_IPv6, where address is written zero terminated
*/
void ip2dot(const SocketAddress &ip, char *dot);
};
} // namespace mbed
#endif /* QUECTEL_BG96_CELLULARSTACK_H_ */