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at_device/at_socket_ec20.c

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/*
* File : at_socket_ec20.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2018-06-12 chenyong first version
* 2018-08-12 Marcus port to ec20
*/
#include <stdio.h>
#include <string.h>
#include <rtthread.h>
#include <sys/socket.h>
#include <at.h>
#include <at_socket.h>
#if !defined(AT_SW_VERSION_NUM) || AT_SW_VERSION_NUM < 0x10200
#error "This AT Client version is older, please check and update latest AT Client!"
#endif
#define LOG_TAG "at.ec20"
#include <at_log.h>
#ifdef AT_DEVICE_EC20
#define EC20_MODULE_SEND_MAX_SIZE 1460
#define EC20_WAIT_CONNECT_TIME 5000
#define EC20_THREAD_STACK_SIZE 1024
#define EC20_THREAD_PRIORITY (RT_THREAD_PRIORITY_MAX/2)
/* set real event by current socket and current state */
#define SET_EVENT(socket, event) (((socket + 1) << 16) | (event))
/* AT socket event type */
#define EC20_EVENT_CONN_OK (1L << 0)
#define EC20_EVENT_SEND_OK (1L << 1)
#define EC20_EVENT_RECV_OK (1L << 2)
#define EC20_EVNET_CLOSE_OK (1L << 3)
#define EC20_EVENT_CONN_FAIL (1L << 4)
#define EC20_EVENT_SEND_FAIL (1L << 5)
#define EC20_EVENT_DOMAIN_OK (1L << 6)
/* AT+QICSGP command default*/
char *QICSGP_CHINA_MOBILE = "AT+QICSGP=1,1,\"CMNET\",\"\",\"\",0";
char *QICSGP_CHINA_UNICOM = "AT+QICSGP=1,1,\"UNINET\",\"\",\"\",0";
char *QICSGP_CHINA_TELECOM = "AT+QICSGP=1,1,\"CTNET\",\"\",\"\",0";
static int cur_socket;
static char recv_ip[16] = { 0 };
static rt_event_t at_socket_event;
static rt_mutex_t at_event_lock;
static at_evt_cb_t at_evt_cb_set[] = {
[AT_SOCKET_EVT_RECV] = NULL,
[AT_SOCKET_EVT_CLOSED] = NULL,
};
static void at_cme_errcode_parse(int result)
{
switch(result)
{
case 0 : LOG_E("%d : Phone failure", result); break;
case 1 : LOG_E("%d : No connection to phone", result); break;
case 2 : LOG_E("%d : Phone-adaptor link reserved", result); break;
case 3 : LOG_E("%d : Operation not allowed", result); break;
case 4 : LOG_E("%d : Operation not supported", result); break;
case 5 : LOG_E("%d : PH-SIM PIN required", result); break;
case 6 : LOG_E("%d : PH-FSIM PIN required", result); break;
case 7 : LOG_E("%d : PH-FSIM PUK required", result); break;
case 10 : LOG_E("%d : SIM not inserted", result); break;
case 11 : LOG_E("%d : SIM PIN required", result); break;
case 12 : LOG_E("%d : SIM PUK required", result); break;
case 13 : LOG_E("%d : SIM failure", result); break;
case 14 : LOG_E("%d : SIM busy", result); break;
case 15 : LOG_E("%d : SIM wrong", result); break;
case 16 : LOG_E("%d : Incorrect password", result); break;
case 17 : LOG_E("%d : SIM PIN2 required", result); break;
case 18 : LOG_E("%d : SIM PUK2 required", result); break;
case 20 : LOG_E("%d : Memory full", result); break;
case 21 : LOG_E("%d : Invalid index", result); break;
case 22 : LOG_E("%d : Not found", result); break;
case 23 : LOG_E("%d : Memory failure", result); break;
case 24 : LOG_E("%d : Text string too long", result); break;
case 25 : LOG_E("%d : Invalid characters in text string", result); break;
case 26 : LOG_E("%d : Dial string too long", result); break;
case 27 : LOG_E("%d : Invalid characters in dial string", result); break;
case 30 : LOG_E("%d : No network service", result); break;
case 31 : LOG_E("%d : Network timeout", result); break;
case 32 : LOG_E("%d : Network not allowed - emergency calls only", result); break;
case 40 : LOG_E("%d : Network personalization PIN required", result); break;
case 41 : LOG_E("%d : Network personalization PUK required", result); break;
case 42 : LOG_E("%d : Network subset personalization PIN required", result); break;
case 43 : LOG_E("%d : Network subset personalization PUK required", result); break;
case 44 : LOG_E("%d : Service provider personalization PIN required", result); break;
case 45 : LOG_E("%d : Service provider personalization PUK required", result); break;
case 46 : LOG_E("%d : Corporate personalization PIN required", result); break;
case 47 : LOG_E("%d : Corporate personalization PUK required", result); break;
case 901 : LOG_E("%d : Audio unknown error", result); break;
case 902 : LOG_E("%d : Audio invalid parameters", result); break;
case 903 : LOG_E("%d : Audio operation not supported", result); break;
case 904 : LOG_E("%d : Audio device busy", result); break;
default : LOG_E("%d : Unknown err code", result); break;
}
}
static void at_cms_errcode_parse(int result)
{
switch(result)
{
case 300 : LOG_E("%d : ME failure", result); break;
case 301 : LOG_E("%d : SMS ME reserved", result); break;
case 302 : LOG_E("%d : Operation not allowed", result); break;
case 303 : LOG_E("%d : Operation not supported", result); break;
case 304 : LOG_E("%d : Invalid PDU mode", result); break;
case 305 : LOG_E("%d : Invalid text mode", result); break;
case 310 : LOG_E("%d : SIM not inserted", result); break;
case 311 : LOG_E("%d : SIM pin necessary", result); break;
case 312 : LOG_E("%d : PH SIM pin necessary", result); break;
case 313 : LOG_E("%d : SIM failure", result); break;
case 314 : LOG_E("%d : SIM busy", result); break;
case 315 : LOG_E("%d : SIM wrong", result); break;
case 316 : LOG_E("%d : SIM PUK required", result); break;
case 317 : LOG_E("%d : SIM PIN2 required", result); break;
case 318 : LOG_E("%d : SIM PUK2 required", result); break;
case 320 : LOG_E("%d : Memory failure", result); break;
case 321 : LOG_E("%d : Invalid memory index", result); break;
case 322 : LOG_E("%d : Memory full", result); break;
case 330 : LOG_E("%d : SMSC address unknown", result); break;
case 331 : LOG_E("%d : No network", result); break;
case 332 : LOG_E("%d : Network timeout", result); break;
case 500 : LOG_E("%d : Unknown", result); break;
case 512 : LOG_E("%d : SIM not ready", result); break;
case 513 : LOG_E("%d : Message length exceeds", result); break;
case 514 : LOG_E("%d : Invalid request parameters", result); break;
case 515 : LOG_E("%d : ME storage failure", result); break;
case 517 : LOG_E("%d : Invalid service mode", result); break;
case 528 : LOG_E("%d : More message to send state error", result); break;
case 529 : LOG_E("%d : MO SMS is not allow", result); break;
case 530 : LOG_E("%d : GPRS is suspended", result); break;
case 531 : LOG_E("%d : ME storage full", result); break;
default : LOG_E("%d : Unknown err code", result); break;
}
}
static void at_mms_errcode_parse(int result)//MMS
{
switch(result)
{
case 751 : LOG_E("%d : Unknown error", result); break;
case 752 : LOG_E("%d : URL length error", result); break;
case 753 : LOG_E("%d : URL error", result); break;
case 754 : LOG_E("%d : Invalid proxy type", result); break;
case 755 : LOG_E("%d : Proxy address error", result); break;
case 756 : LOG_E("%d : Invalid parameter", result); break;
case 757 : LOG_E("%d : Recipient address full", result); break;
case 758 : LOG_E("%d : CC recipient address full", result); break;
case 759 : LOG_E("%d : BCC recipient address full", result); break;
case 760 : LOG_E("%d : Attachments full", result); break;
case 761 : LOG_E("%d : File error", result); break;
case 762 : LOG_E("%d : No recipient", result); break;
case 763 : LOG_E("%d : File not found", result); break;
case 764 : LOG_E("%d : MMS busy", result); break;
case 765 : LOG_E("%d : Server response failed", result); break;
case 766 : LOG_E("%d : Error response of HTTP(S) post", result); break;
case 767 : LOG_E("%d : Invalid report of HTTP(S) post", result); break;
case 768 : LOG_E("%d : PDP activation failed", result); break;
case 769 : LOG_E("%d : PDP deactivated", result); break;
case 770 : LOG_E("%d : Socket creation failed", result); break;
case 771 : LOG_E("%d : Socket connection failed", result); break;
case 772 : LOG_E("%d : Socket read failed", result); break;
case 773 : LOG_E("%d : Socket write failed", result); break;
case 774 : LOG_E("%d : Socket closed", result); break;
case 775 : LOG_E("%d : Timeout", result); break;
case 776 : LOG_E("%d : Encode data error", result); break;
case 777 : LOG_E("%d : HTTP(S) decode data error", result); break;
default : LOG_E("%d : Unknown err code", result); break;
}
}
static void at_tcp_ip_errcode_parse(int result)//TCP/IP_QIGETERROR
{
switch(result)
{
case 0 : LOG_D("%d : Operation successful", result); break;
case 550 : LOG_E("%d : Unknown error", result); break;
case 551 : LOG_E("%d : Operation blocked", result); break;
case 552 : LOG_E("%d : Invalid parameters", result); break;
case 553 : LOG_E("%d : Memory not enough", result); break;
case 554 : LOG_E("%d : Create socket failed", result); break;
case 555 : LOG_E("%d : Operation not supported", result); break;
case 556 : LOG_E("%d : Socket bind failed", result); break;
case 557 : LOG_E("%d : Socket listen failed", result); break;
case 558 : LOG_E("%d : Socket write failed", result); break;
case 559 : LOG_E("%d : Socket read failed", result); break;
case 560 : LOG_E("%d : Socket accept failed", result); break;
case 561 : LOG_E("%d : Open PDP context failed", result); break;
case 562 : LOG_E("%d : Close PDP context failed", result); break;
case 563 : LOG_E("%d : Socket identity has been used", result); break;
case 564 : LOG_E("%d : DNS busy", result); break;
case 565 : LOG_E("%d : DNS parse failed", result); break;
case 566 : LOG_E("%d : Socket connect failed", result); break;
case 567 : LOG_E("%d : Socket has been closed", result); break;
case 568 : LOG_E("%d : Operation busy", result); break;
case 569 : LOG_E("%d : Operation timeout", result); break;
case 570 : LOG_E("%d : PDP context broken down", result); break;
case 571 : LOG_E("%d : Cancel send", result); break;
case 572 : LOG_E("%d : Operation not allowed", result); break;
case 573 : LOG_E("%d : APN not configured", result); break;
case 574 : LOG_E("%d : Port busy", result); break;
default : LOG_E("%d : Unknown err code", result); break;
}
}
static void at_http_errcode_parse(int result)//HTTP
{
switch(result)
{
case 0 : LOG_D("%d : Operation successful", result); break;
case 701 : LOG_E("%d : HTTP(S) unknown error", result); break;
case 702 : LOG_E("%d : HTTP(S) timeout", result); break;
case 703 : LOG_E("%d : HTTP(S) busy", result); break;
case 704 : LOG_E("%d : HTTP(S) UART busy", result); break;
case 705 : LOG_E("%d : HTTP(S) no GET/POST requests", result); break;
case 706 : LOG_E("%d : HTTP(S) network busy", result); break;
case 707 : LOG_E("%d : HTTP(S) network open failed", result); break;
case 708 : LOG_E("%d : HTTP(S) network no configuration", result); break;
case 709 : LOG_E("%d : HTTP(S) network deactivated", result); break;
case 710 : LOG_E("%d : HTTP(S) network error", result); break;
case 711 : LOG_E("%d : HTTP(S) URL error", result); break;
case 712 : LOG_E("%d : HTTP(S) empty URL", result); break;
case 713 : LOG_E("%d : HTTP(S) IP address error", result); break;
case 714 : LOG_E("%d : HTTP(S) DNS error", result); break;
case 715 : LOG_E("%d : HTTP(S) socket create error", result); break;
case 716 : LOG_E("%d : HTTP(S) socket connect error", result); break;
case 717 : LOG_E("%d : HTTP(S) socket read error", result); break;
case 718 : LOG_E("%d : HTTP(S) socket write error", result); break;
case 719 : LOG_E("%d : HTTP(S) socket closed", result); break;
case 720 : LOG_E("%d : HTTP(S) data encode error", result); break;
case 721 : LOG_E("%d : HTTP(S) data decode error", result); break;
case 722 : LOG_E("%d : HTTP(S) read timeout", result); break;
case 723 : LOG_E("%d : HTTP(S) response failed", result); break;
case 724 : LOG_E("%d : Incoming call busy", result); break;
case 725 : LOG_E("%d : Voice call busy", result); break;
case 726 : LOG_E("%d : Input timeout", result); break;
case 727 : LOG_E("%d : Wait data timeout", result); break;
case 728 : LOG_E("%d : Wait HTTP(S) response timeout", result); break;
case 729 : LOG_E("%d : Memory allocation failed", result); break;
case 730 : LOG_E("%d : Invalid parameter", result); break;
default : LOG_E("%d : Unknown err code", result); break;
}
}
static void at_http_rsponsecode_parse(int result)//HTTP
{
switch(result)
{
case 200 : LOG_D("%d : OK", result); break;
case 400 : LOG_E("%d : Bad request", result); break;
case 403 : LOG_E("%d : Forbidden", result); break;
case 404 : LOG_E("%d : Not found", result); break;
case 409 : LOG_E("%d : Conflict", result); break;
case 411 : LOG_E("%d : Length required", result); break;
case 500 : LOG_E("%d : Internal server error", result); break;
case 502 : LOG_E("%d : Bad gate way", result); break;
default : LOG_E("%d : Unknown err code", result); break;
}
}
static void at_ftp_errcode_parse(int result)//FTP
{
switch(result)
{
case 0 : LOG_D("%d : Operation successful", result); break;
case 601 : LOG_E("%d : Unknown error", result); break;
case 602 : LOG_E("%d : FTP(S) server blocked", result); break;
case 603 : LOG_E("%d : FTP(S) server busy", result); break;
case 604 : LOG_E("%d : DNS parse failed", result); break;
case 605 : LOG_E("%d : Network error", result); break;
case 606 : LOG_E("%d : Control connection closed.", result); break;
case 607 : LOG_E("%d : Data connection closed", result); break;
case 608 : LOG_E("%d : Socket closed by peer", result); break;
case 609 : LOG_E("%d : Timeout error", result); break;
case 610 : LOG_E("%d : Invalid parameter", result); break;
case 611 : LOG_E("%d : Failed to open file", result); break;
case 612 : LOG_E("%d : File position invalid", result); break;
case 613 : LOG_E("%d : File error", result); break;
case 614 : LOG_E("%d : Service not available, closing control connection", result); break;
case 615 : LOG_E("%d : Open data connection failed", result); break;
case 616 : LOG_E("%d : Connection closed; transfer aborted", result); break;
case 617 : LOG_E("%d : Requested file action not taken", result); break;
case 618 : LOG_E("%d : Requested action aborted: local error in processing", result); break;
case 619 : LOG_E("%d : Requested action not taken: insufficient system storage", result); break;
case 620 : LOG_E("%d : Syntax error, command unrecognized", result); break;
case 621 : LOG_E("%d : Syntax error in parameters or arguments", result); break;
case 622 : LOG_E("%d : Command not implemented", result); break;
case 623 : LOG_E("%d : Bad sequence of commands", result); break;
case 624 : LOG_E("%d : Command parameter not implemented", result); break;
case 625 : LOG_E("%d : Not logged in", result); break;
case 626 : LOG_E("%d : Need account for storing files", result); break;
case 627 : LOG_E("%d : Requested action not taken", result); break;
case 628 : LOG_E("%d : Requested action aborted: page type unknown", result); break;
case 629 : LOG_E("%d : Requested file action aborted", result); break;
case 630 : LOG_E("%d : Requested file name invalid", result); break;
case 631 : LOG_E("%d : SSL authentication failed", result); break;
default : LOG_E("%d : Unknown err code", result); break;
}
}
static void at_ftp_protocol_errcode_parse(int result)//FTP_Protocol
{
switch(result)
{
case 421 : LOG_E("%d : Service not available, closing control connection", result); break;
case 425 : LOG_E("%d : Open data connection failed", result); break;
case 426 : LOG_E("%d : Connection closed; transfer aborted", result); break;
case 450 : LOG_E("%d : Requested file action not taken", result); break;
case 451 : LOG_E("%d : Requested action aborted: local error in processing", result); break;
case 452 : LOG_E("%d : Requested action not taken: insufficient system storage", result); break;
case 500 : LOG_E("%d : Syntax error, command unrecognized", result); break;
case 501 : LOG_E("%d : Syntax error in parameters or arguments", result); break;
case 502 : LOG_E("%d : Command not implemented", result); break;
case 503 : LOG_E("%d : Bad sequence of commands", result); break;
case 504 : LOG_E("%d : Command parameter not implemented", result); break;
case 530 : LOG_E("%d : Not logged in", result); break;
case 532 : LOG_E("%d : Need account for storing files", result); break;
case 550 : LOG_E("%d : Requested action not taken: file unavailable", result); break;
case 551 : LOG_E("%d : Requested action aborted: page type unknown", result); break;
case 552 : LOG_E("%d : Requested file action aborted: exceeded storage allocation", result); break;
case 553 : LOG_E("%d : Requested action not taken: file name not allowed", result); break;
default : LOG_E("%d : Unknown err code", result); break;
}
}
static void at_smtp_errcode_parse(int result)//Email
{
switch(result)
{
case 651 : LOG_E("%d : Unknown error", result); break;
case 652 : LOG_E("%d : The SMTP server is busy, such as uploading the body or sending an email.", result); break;
case 653 : LOG_E("%d : Failed to get IP address according to the domain name.", result); break;
case 654 : LOG_E("%d : Network error, such as failed to activate GPRS/CSD context, failed to establish the TCP connection with the SMTP server or failed to send an email to the SMTP server, etc.", result); break;
case 655 : LOG_E("%d : Unsupported authentication type", result); break;
case 656 : LOG_E("%d : The connection for the SMTP server is closed by peer.", result); break;
case 657 : LOG_E("%d : GPRS/CSD context is deactivated.", result); break;
case 658 : LOG_E("%d : Timeout", result); break;
case 659 : LOG_E("%d : No recipient for the SMTP server", result); break;
case 660 : LOG_E("%d : Failed to send an email", result); break;
case 661 : LOG_E("%d : Failed to open a file", result); break;
case 662 : LOG_E("%d : No enough memory for the attachment", result); break;
case 663 : LOG_E("%d : Failed to save the attachment", result); break;
case 664 : LOG_E("%d : The input parameter is wrong", result); break;
case 665 : LOG_E("%d : SSL authentication failed", result); break;
case 666 : LOG_E("%d : Service not available, closing transmission channel", result); break;
case 667 : LOG_E("%d : Requested mail action not taken: mailbox unavailable", result); break;
case 668 : LOG_E("%d : Requested action aborted: local error in processing", result); break;
case 669 : LOG_E("%d : Requested action not taken: insufficient system storage", result); break;
case 670 : LOG_E("%d : Syntax error, command unrecognized", result); break;
case 671 : LOG_E("%d : Syntax error in parameters or arguments", result); break;
case 672 : LOG_E("%d : Command not implemented", result); break;
case 673 : LOG_E("%d : Bad sequence of commands", result); break;
case 674 : LOG_E("%d : Command parameter not implemented", result); break;
case 675 : LOG_E("%d : <domain> does not accept mail (see RFC1846)", result); break;
case 676 : LOG_E("%d : Access denied", result); break;
case 677 : LOG_E("%d : Authentication failed", result); break;
case 678 : LOG_E("%d : Requested action not taken: mailbox unavailable", result); break;
case 679 : LOG_E("%d : User not local; please try <forward-path>", result); break;
case 680 : LOG_E("%d : Requested mail action aborted: exceeded storage allocation", result); break;
case 681 : LOG_E("%d : Requested action not taken: mailbox name not allowed", result); break;
case 682 : LOG_E("%d : Transaction failed", result); break;
default : LOG_E("%d : Unknown err code", result); break;
}
}
static void at_smtp_protocol_errcode_parse(int result)//Email_Protocol
{
switch(result)
{
case 421 : LOG_E("%d : Service not available, closing transmission channel", result); break;
case 450 : LOG_E("%d : Requested mail action not taken: mailbox unavailable", result); break;
case 451 : LOG_E("%d : Requested action aborted: local error in processing", result); break;
case 452 : LOG_E("%d : Requested action not taken: insufficient system storage", result); break;
case 500 : LOG_E("%d : Syntax error, command unrecognized", result); break;
case 501 : LOG_E("%d : Syntax error in parameters or arguments", result); break;
case 502 : LOG_E("%d : Command not implemented", result); break;
case 503 : LOG_E("%d : Bad sequence of commands", result); break;
case 504 : LOG_E("%d : Command parameter not implemented", result); break;
case 521 : LOG_E("%d : <domain> does not accept mail (see RFC1846)", result); break;
case 530 : LOG_E("%d : Access denied", result); break;
case 535 : LOG_E("%d : Authentication failed", result); break;
case 550 : LOG_E("%d : Requested action not taken: mailbox unavailable", result); break;
case 551 : LOG_E("%d : User not local; please try <forward-path>", result); break;
case 552 : LOG_E("%d : Requested mail action aborted: exceeded storage allocation", result); break;
case 553 : LOG_E("%d : Requested action not taken: mailbox name not allowed", result); break;
case 554 : LOG_E("%d : Transaction failed", result); break;
default : LOG_E("%d : Unknown err code", result); break;
}
}
static int at_socket_event_send(uint32_t event)
{
return (int) rt_event_send(at_socket_event, event);
}
static int at_socket_event_recv(uint32_t event, uint32_t timeout, rt_uint8_t option)
{
int result = 0;
rt_uint32_t recved;
result = rt_event_recv(at_socket_event, event, option | RT_EVENT_FLAG_CLEAR, timeout, &recved);
if (result != RT_EOK)
{
return -RT_ETIMEOUT;
}
return recved;
}
/**
* close socket by AT commands.
*
* @param current socket
*
* @return 0: close socket success
* -1: send AT commands error
* -2: wait socket event timeout
* -5: no memory
*/
static int ec20_socket_close(int socket)
{
int result = 0;
at_response_t resp = RT_NULL;
resp = at_create_resp(64, 2, rt_tick_from_millisecond(2 * 1000));
if (!resp)
{
LOG_E("No memory for response structure!");
return -RT_ENOMEM;
}
/* default connection timeout is 10 seconds, but it set to 1 seconds is convenient to use.*/
result = at_exec_cmd(resp, "AT+QICLOSE=%d,1", socket);
if (result < 0)
{
LOG_E("socket (%d) close failed, wait close OK timeout or ERROR.", socket);
}
__exit:
if (resp)
{
at_delete_resp(resp);
}
return result;
}
/**
* create TCP/UDP client or server connect by AT commands.
*
* @param socket current socket
* @param ip server or client IP address
* @param port server or client port
* @param type connect socket type(tcp, udp)
* @param is_client connection is client
*
* @return 0: connect success
* -1: connect failed, send commands error or type error
* -2: wait socket event timeout
* -5: no memory
*/
static int ec20_socket_connect(int socket, char *ip, int32_t port, enum at_socket_type type, rt_bool_t is_client)
{
int result = 0, event_result = 0;
rt_bool_t retryed = RT_FALSE;
RT_ASSERT(ip);
RT_ASSERT(port >= 0);
/* lock AT socket connect */
rt_mutex_take(at_event_lock, RT_WAITING_FOREVER);
__retry:
if (is_client)
{
switch (type)
{
case AT_SOCKET_TCP:
/* send AT commands(AT+QIOPEN=<contextID>,<socket>,"<TCP/UDP>","<IP_address>/<domain_name>",<remote_port>,<local_port>,<access_mode>) to connect TCP server */
/* contextID = 1 : use same contextID as AT+QICSGP & AT+QIACT */
/* local_port=0 : local port assigned automatically */
/* access_mode = 1 : Direct push mode */
if (at_exec_cmd(RT_NULL, "AT+QIOPEN=1,%d,\"TCP\",\"%s\",%d,0,1", socket, ip, port) < 0)
{
result = -RT_ERROR;
goto __exit;
}
break;
case AT_SOCKET_UDP:
if (at_exec_cmd(RT_NULL, "AT+QIOPEN=1,%d,\"UDP\",\"%s\",%d,0,1", socket, ip, port) < 0)
{
result = -RT_ERROR;
goto __exit;
}
break;
default:
LOG_E("Not supported connect type : %d.", type);
return -RT_ERROR;
}
}
/* waiting result event from AT URC, the device default connection timeout is 75 seconds, but it set to 10 seconds is convenient to use.*/
if (at_socket_event_recv(SET_EVENT(socket, 0), rt_tick_from_millisecond(10 * 1000), RT_EVENT_FLAG_OR) < 0)
{
LOG_E("socket (%d) connect failed, wait connect result timeout.", socket);
result = -RT_ETIMEOUT;
goto __exit;
}
/* waiting OK or failed result */
if ((event_result = at_socket_event_recv(EC20_EVENT_CONN_OK | EC20_EVENT_CONN_FAIL, rt_tick_from_millisecond(1 * 1000),
RT_EVENT_FLAG_OR)) < 0)
{
LOG_E("socket (%d) connect failed, wait connect OK|FAIL timeout.", socket);
result = -RT_ETIMEOUT;
goto __exit;
}
/* check result */
if (event_result & EC20_EVENT_CONN_FAIL)
{
if (!retryed)
{
LOG_E("socket (%d) connect failed, maybe the socket was not be closed at the last time and now will retry.", socket);
if (ec20_socket_close(socket) < 0)
{
goto __exit;
}
retryed = RT_TRUE;
goto __retry;
}
LOG_E("socket (%d) connect failed, failed to establish a connection.", socket);
result = -RT_ERROR;
goto __exit;
}
__exit:
/* unlock AT socket connect */
rt_mutex_release(at_event_lock);
return result;
}
static int at_get_send_size(int socket, size_t *size, size_t *acked, size_t *nacked)
{
at_response_t resp = at_create_resp(128, 0, rt_tick_from_millisecond(5000));
int result = 0;
if (!resp)
{
LOG_E("No memory for response structure!");
result = -RT_ENOMEM;
goto __exit;
}
if (at_exec_cmd(resp, "AT+QISEND=%d,0", socket) < 0)
{
result = -RT_ERROR;
goto __exit;
}
if (at_resp_parse_line_args_by_kw(resp, "+QISEND:", "+QISEND: %d,%d,%d", size, acked, nacked) <= 0)
{
result = -RT_ERROR;
goto __exit;
}
__exit:
if (resp)
{
at_delete_resp(resp);
}
return result;
}
static int at_wait_send_finish(int socket, size_t settings_size)
{
/* get the timeout by the input data size */
rt_tick_t timeout = rt_tick_from_millisecond(settings_size);
rt_tick_t last_time = rt_tick_get();
size_t size = 0, acked = 0, nacked = 0xFFFF;
while (rt_tick_get() - last_time <= timeout)
{
at_get_send_size(socket, &size, &acked, &nacked);
if (nacked == 0)
{
return RT_EOK;
}
rt_thread_delay(rt_tick_from_millisecond(50));
}
return -RT_ETIMEOUT;
}
/**
* send data to server or client by AT commands.
*
* @param socket current socket
* @param buff send buffer
* @param bfsz send buffer size
* @param type connect socket type(tcp, udp)
*
* @return >=0: the size of send success
* -1: send AT commands error or send data error
* -2: waited socket event timeout
* -5: no memory
*/
static int ec20_socket_send(int socket, const char *buff, size_t bfsz, enum at_socket_type type)
{
int result = 0, event_result = 0;
at_response_t resp = RT_NULL;
size_t cur_pkt_size = 0, sent_size = 0;
RT_ASSERT(buff);
resp = at_create_resp(128, 2, rt_tick_from_millisecond(5000));
if (!resp)
{
LOG_E("No memory for response structure!");
return -RT_ENOMEM;
}
rt_mutex_take(at_event_lock, RT_WAITING_FOREVER);
/* set current socket for send URC event */
cur_socket = socket;
/* set AT client end sign to deal with '>' sign.*/
at_set_end_sign('>');
while (sent_size < bfsz)
{
if (bfsz - sent_size < EC20_MODULE_SEND_MAX_SIZE)
{
cur_pkt_size = bfsz - sent_size;
}
else
{
cur_pkt_size = EC20_MODULE_SEND_MAX_SIZE;
}
/* send the "AT+QISEND" commands to AT server than receive the '>' response on the first line. */
if (at_exec_cmd(resp, "AT+QISEND=%d,%d", socket, cur_pkt_size) < 0)
{
result = -RT_ERROR;
goto __exit;
}
/* send the real data to server or client */
result = (int) at_client_send(buff + sent_size, cur_pkt_size);
if (result == 0)
{
result = -RT_ERROR;
goto __exit;
}
/* waiting result event from AT URC */
if (at_socket_event_recv(SET_EVENT(socket, 0), rt_tick_from_millisecond(300*3), RT_EVENT_FLAG_OR) < 0)
{
LOG_E("socket (%d) send failed, wait connect result timeout.", socket);
result = -RT_ETIMEOUT;
goto __exit;
}
/* waiting OK or failed result */
if ((event_result = at_socket_event_recv(EC20_EVENT_SEND_OK | EC20_EVENT_SEND_FAIL, rt_tick_from_millisecond(1 * 1000),
RT_EVENT_FLAG_OR)) < 0)
{
LOG_E("socket (%d) send failed, wait connect OK|FAIL timeout.", socket);
result = -RT_ETIMEOUT;
goto __exit;
}
/* check result */
if (event_result & EC20_EVENT_SEND_FAIL)
{
LOG_E("socket (%d) send failed, return failed.", socket);
result = -RT_ERROR;
goto __exit;
}
if (type == AT_SOCKET_TCP)
{
at_wait_send_finish(socket, cur_pkt_size);
}
sent_size += cur_pkt_size;
}
__exit:
/* reset the end sign for data conflict */
at_set_end_sign(0);
rt_mutex_release(at_event_lock);
if (resp)
{
at_delete_resp(resp);
}
return result;
}
/**
* domain resolve by AT commands.
*
* @param name domain name
* @param ip parsed IP address, it's length must be 16
*
* @return 0: domain resolve success
* -1: send AT commands error or response error
* -2: wait socket event timeout
* -5: no memory
*/
static int ec20_domain_resolve(const char *name, char ip[16])
{
#define RESOLVE_RETRY 5
int i, result;
// char recv_ip[16] = { 0 };
at_response_t resp = RT_NULL;
RT_ASSERT(name);
RT_ASSERT(ip);
/* The maximum response time is 60 seconds, but it set to 10 seconds is convenient to use. */
resp = at_create_resp(128, 0, rt_tick_from_millisecond(10 * 1000));
if (!resp)
{
LOG_E("No memory for response structure!");
return -RT_ENOMEM;
}
rt_mutex_take(at_event_lock, RT_WAITING_FOREVER);
/* Clear EC20_EVENT_DOMAIN_OK */
at_socket_event_recv(EC20_EVENT_DOMAIN_OK, 0, RT_EVENT_FLAG_OR);
for(i = 0; i < RESOLVE_RETRY; i++)
{
if (at_exec_cmd(resp, "AT+QIDNSGIP=1,\"%s\"", name) < 0)
{
LOG_E("Domain \"%s\" resolve return ERROR (%d).", name, i);
result = -RT_ERROR;
continue;
}
else
{
result = RT_EOK;
break;
}
}
if (result == RT_EOK)
{
for(i = 0; i < RESOLVE_RETRY; i++)
{
/* waiting result event from AT URC, the device default connection timeout is 60 seconds.*/
if (at_socket_event_recv(EC20_EVENT_DOMAIN_OK, rt_tick_from_millisecond(10 * 1000), RT_EVENT_FLAG_OR) < 0)
{
LOG_E("Domain \"%s\" resolve failed, wait dns result timeout.", name);
result = -RT_ETIMEOUT;
continue;
}
else
{
if (strlen(recv_ip) < 8)
{
rt_thread_delay(rt_tick_from_millisecond(100));
/* resolve failed, maybe receive an URC CRLF */
result = -RT_ERROR;
continue;
}
else
{
strncpy(ip, recv_ip, 15);
ip[15] = '\0';
result = RT_EOK;
break;
}
}
}
}
rt_mutex_release(at_event_lock);
if (resp)
{
at_delete_resp(resp);
}
return result;
}
/**
* set AT socket event notice callback
*
* @param event notice event
* @param cb notice callback
*/
static void ec20_socket_set_event_cb(at_socket_evt_t event, at_evt_cb_t cb)
{
if (event < sizeof(at_evt_cb_set) / sizeof(at_evt_cb_set[1]))
{
at_evt_cb_set[event] = cb;
}
}
static void urc_ping_func(const char *data, rt_size_t size)
{
static int icmp_seq = 0;
int i, j = 0;
int result, recv_len, time, ttl;
int sent, rcvd, lost, min, max, avg;
char dst_ip[16] = { 0 };
RT_ASSERT(data);
for (i=0;i<size;i++)
{
if(*(data+i) == '.')
j++;
}
if (j != 0)
{
sscanf(data, "+QPING: %d,%[^,],%d,%d,%d", &result, dst_ip, &recv_len, &time, &ttl);
if (result == 0)
LOG_I("%d bytes from %s icmp_seq=%d ttl=%d time=%d ms", recv_len, dst_ip, icmp_seq++, ttl, time);
}
else
{
sscanf(data, "+QPING: %d,%d,%d,%d,%d,%d,%d", &result, &sent, &rcvd, &lost, &min, &max, &avg);
if (result == 0)
LOG_I("%d sent %d received %d lost, min=%dms max=%dms average=%dms", sent, rcvd, lost, min, max, avg);
}
if (result != 0)
{
LOG_E("ping: ");
at_tcp_ip_errcode_parse(result);
}
}
static void urc_connect_func(const char *data, rt_size_t size)
{
int socket = 0;
int result = 0;
RT_ASSERT(data && size);
sscanf(data, "+QIOPEN: %d,%d", &socket , &result);
if (result == 0)
{
at_socket_event_send(SET_EVENT(socket, EC20_EVENT_CONN_OK));
}
else
{
at_tcp_ip_errcode_parse(result);
at_socket_event_send(SET_EVENT(socket, EC20_EVENT_CONN_FAIL));
}
}
static void urc_send_func(const char *data, rt_size_t size)
{
RT_ASSERT(data && size);
if (strstr(data, "SEND OK"))
{
at_socket_event_send(SET_EVENT(cur_socket, EC20_EVENT_SEND_OK));
}
else if (strstr(data, "SEND FAIL"))
{
at_socket_event_send(SET_EVENT(cur_socket, EC20_EVENT_SEND_FAIL));
}
}
static void urc_close_func(const char *data, rt_size_t size)
{
int socket = 0;
RT_ASSERT(data && size);
sscanf(data, "+QIURC: \"closed\",%d", &socket);
/* notice the socket is disconnect by remote */
if (at_evt_cb_set[AT_SOCKET_EVT_CLOSED])
{
at_evt_cb_set[AT_SOCKET_EVT_CLOSED](socket, AT_SOCKET_EVT_CLOSED, NULL, 0);
}
/* when TCP socket service is closed, host must send "AT+QICLOSE= <connID>,0" command to close socket */
at_exec_cmd(RT_NULL, "AT+QICLOSE=%d,0\r\n", socket);
rt_thread_delay(rt_tick_from_millisecond(100));
}
static void urc_recv_func(const char *data, rt_size_t size)
{
int socket = 0;
rt_size_t bfsz = 0, temp_size = 0;
rt_int32_t timeout;
char *recv_buf = RT_NULL, temp[8];
RT_ASSERT(data && size);
/* get the current socket and receive buffer size by receive data */
sscanf(data, "+QIURC: \"recv\",%d,%d", &socket, (int *) &bfsz);
/* get receive timeout by receive buffer length */
timeout = bfsz;
if (socket < 0 || bfsz == 0)
return;
recv_buf = rt_calloc(1, bfsz);
if (!recv_buf)
{
LOG_E("no memory for URC receive buffer (%d)!", bfsz);
/* read and clean the coming data */
while (temp_size < bfsz)
{
if (bfsz - temp_size > sizeof(temp))
{
at_client_recv(temp, sizeof(temp), timeout);
}
else
{
at_client_recv(temp, bfsz - temp_size, timeout);
}
temp_size += sizeof(temp);
}
return;
}
/* sync receive data */
if (at_client_recv(recv_buf, bfsz, timeout) != bfsz)
{
LOG_E("receive size(%d) data failed!", bfsz);
rt_free(recv_buf);
return;
}
/* notice the receive buffer and buffer size */
if (at_evt_cb_set[AT_SOCKET_EVT_RECV])
{
at_evt_cb_set[AT_SOCKET_EVT_RECV](socket, AT_SOCKET_EVT_RECV, recv_buf, bfsz);
}
}
static void urc_pdpdeact_func(const char *data, rt_size_t size)
{
int connectID = 0;
RT_ASSERT(data && size);
sscanf(data, "+QIURC: \"pdpdeact\",%d", &connectID);
LOG_E("Context (%d) is deactivated.", connectID);
}
static void urc_dnsqip_func(const char *data, rt_size_t size)
{
int i = 0, j = 0;
int result, ip_count, dns_ttl;
static uint8_t resolved = 0;
RT_ASSERT(data && size);
for(i=0;i<size;i++)
{
if(*(data+i) == '.')
j++;
}
/* There would be several dns result, we just pickup one*/
if(j == 3 && resolved == 0)
{
resolved = 1;
sscanf(data, "+QIURC: \"dnsgip\",\"%[^\"]", recv_ip);
recv_ip[15] = '\0';
at_socket_event_send(EC20_EVENT_DOMAIN_OK);
}
else
{
resolved = 0;
sscanf(data, "+QIURC: \"dnsgip\",%d,%d,%d", &result, &ip_count, &dns_ttl);
if(result)
{
at_tcp_ip_errcode_parse(result);
}
}
}
static void urc_func(const char *data, rt_size_t size)
{
RT_ASSERT(data);
LOG_I("URC data : %.*s", size, data);
}
static void urc_qiurc_func(const char *data, rt_size_t size)
{
RT_ASSERT(data && size);
// LOG_D("qiurc : %s", data);
switch(*(data+9))
{
case 'c' : urc_close_func(data, size); break;//+QIURC: "closed"
case 'r' : urc_recv_func(data, size); break;//+QIURC: "recv"
case 'p' : urc_pdpdeact_func(data, size); break;//+QIURC: "pdpdeact"
case 'd' : urc_dnsqip_func(data, size); break;//+QIURC: "dnsgip"
default : urc_func(data, size); break;//
}
}
static const struct at_urc urc_table[] = {
{"SEND OK", "\r\n", urc_send_func},
{"SEND FAIL", "\r\n", urc_send_func},
{"+QPING:", "\r\n", urc_ping_func},
{"+QIOPEN:", "\r\n", urc_connect_func},
{"+QIURC:", "\r\n", urc_qiurc_func},
};
#define AT_SEND_CMD(resp, resp_line, timeout, cmd) \
do \
{ \
if (at_exec_cmd(at_resp_set_info(resp, 128, resp_line, rt_tick_from_millisecond(timeout)), cmd) < 0) \
{ \
result = -RT_ERROR; \
goto __exit; \
} \
} while(0); \
/* init for EC20 */
static void ec20_init_thread_entry(void *parameter)
{
#define AT_RETRY 10
#define CIMI_RETRY 10
#define CSQ_RETRY 20
#define CREG_RETRY 10
#define CGREG_RETRY 20
at_response_t resp = RT_NULL;
int i, qi_arg[3];
char parsed_data[20];
rt_err_t result = RT_EOK;
resp = at_create_resp(128, 0, rt_tick_from_millisecond(300));
if (!resp)
{
LOG_E("No memory for response structure!");
result = -RT_ENOMEM;
goto __exit;
}
LOG_D("Start initializing the EC20 module");
/* wait EC20 startup finish, Send AT every 500ms, if receive OK, SYNC success*/
if (at_client_wait_connect(EC20_WAIT_CONNECT_TIME))
{
result = -RT_ETIMEOUT;
goto __exit;
}
/* set response format to ATV1 */
AT_SEND_CMD(resp, 0, 300, "ATV1");
/* disable echo */
AT_SEND_CMD(resp, 0, 300, "ATE0");
/* Use AT+CMEE=2 to enable result code and use verbose values */
AT_SEND_CMD(resp, 0, 300, "AT+CMEE=2");
/* Get the baudrate */
AT_SEND_CMD(resp, 0, 300, "AT+IPR?");
at_resp_parse_line_args_by_kw(resp, "+IPR:", "+IPR: %d", &i);
LOG_D("Baudrate %d", i);
/* get module version */
AT_SEND_CMD(resp, 0, 300, "ATI");
/* show module version */
for (i = 0; i < (int) resp->line_counts - 1; i++)
{
LOG_D("%s", at_resp_get_line(resp, i + 1));
}
/* Use AT+GSN to query the IMEI of module */
AT_SEND_CMD(resp, 0, 300, "AT+GSN");
/* check SIM card */
AT_SEND_CMD(resp, 2, 5 * 1000, "AT+CPIN?");
if (!at_resp_get_line_by_kw(resp, "READY"))
{
LOG_E("SIM card detection failed");
result = -RT_ERROR;
goto __exit;
}
/* waiting for dirty data to be digested */
rt_thread_delay(rt_tick_from_millisecond(10));
/* Use AT+CIMI to query the IMSI of SIM card */
// AT_SEND_CMD(resp, 2, 300, "AT+CIMI");
i = 0;
while(at_exec_cmd(at_resp_set_info(resp, 128, 0, rt_tick_from_millisecond(300)), "AT+CIMI") < 0)
{
i++;
LOG_D("AT+CIMI %d", i);
if(i > CIMI_RETRY)
{
LOG_E("Read CIMI failed");
result = -RT_ERROR;
goto __exit;
}
rt_thread_delay(rt_tick_from_millisecond(1000));
}
/* Use AT+QCCID to query ICCID number of SIM card */
AT_SEND_CMD(resp, 0, 300, "AT+QCCID");
/* check signal strength */
for (i = 0; i < CSQ_RETRY; i++)
{
AT_SEND_CMD(resp, 0, 300, "AT+CSQ");
at_resp_parse_line_args_by_kw(resp, "+CSQ:", "+CSQ: %d,%d", &qi_arg[0], &qi_arg[1]);
if (qi_arg[0] != 99)
{
LOG_D("Signal strength: %d Channel bit error rate: %d", qi_arg[0], qi_arg[1]);
break;
}
rt_thread_delay(rt_tick_from_millisecond(1000));
}
if (i == CSQ_RETRY)
{
LOG_E("Signal strength check failed (%s)", parsed_data);
result = -RT_ERROR;
goto __exit;
}
/* check the GSM network is registered */
for (i = 0; i < CREG_RETRY; i++)
{
AT_SEND_CMD(resp, 0, 300, "AT+CREG?");
at_resp_parse_line_args_by_kw(resp, "+CREG:", "+CREG: %s", &parsed_data);
if (!strncmp(parsed_data, "0,1", sizeof(parsed_data)) || !strncmp(parsed_data, "0,5", sizeof(parsed_data)))
{
LOG_D("GSM network is registered (%s)", parsed_data);
break;
}
rt_thread_delay(rt_tick_from_millisecond(1000));
}
if (i == CREG_RETRY)
{
LOG_E("The GSM network is register failed (%s)", parsed_data);
result = -RT_ERROR;
goto __exit;
}
/* check the GPRS network is registered */
for (i = 0; i < CGREG_RETRY; i++)
{
AT_SEND_CMD(resp, 0, 300, "AT+CGREG?");
at_resp_parse_line_args_by_kw(resp, "+CGREG:", "+CGREG: %s", &parsed_data);
if (!strncmp(parsed_data, "0,1", sizeof(parsed_data)) || !strncmp(parsed_data, "0,5", sizeof(parsed_data)))
{
LOG_D("GPRS network is registered (%s)", parsed_data);
break;
}
rt_thread_delay(rt_tick_from_millisecond(1000));
}
if (i == CGREG_RETRY)
{
LOG_E("The GPRS network is register failed (%s)", parsed_data);
result = -RT_ERROR;
goto __exit;
}
/*Use AT+CEREG? to query current EPS Network Registration Status*/
AT_SEND_CMD(resp, 0, 300, "AT+CEREG?");
/* Use AT+COPS? to query current Network Operator */
AT_SEND_CMD(resp, 0, 300, "AT+COPS?");
at_resp_parse_line_args_by_kw(resp, "+COPS:", "+COPS: %*[^\"]\"%[^\"]", &parsed_data);
if(strcmp(parsed_data,"CHINA MOBILE") == 0)
{
/* "CMCC" */
LOG_I("%s", parsed_data);
AT_SEND_CMD(resp, 0, 300, QICSGP_CHINA_MOBILE);
}
else if(strcmp(parsed_data,"CHN-UNICOM") == 0)
{
/* "UNICOM" */
LOG_I("%s", parsed_data);
AT_SEND_CMD(resp, 0, 300, QICSGP_CHINA_UNICOM);
}
else if(strcmp(parsed_data,"CHN-CT") == 0)
{
AT_SEND_CMD(resp, 0, 300, QICSGP_CHINA_TELECOM);
/* "CT" */
LOG_I("%s", parsed_data);
}
/* Enable automatic time zone update via NITZ and update LOCAL time to RTC */
AT_SEND_CMD(resp, 0, 300, "AT+CTZU=3");
/* Get RTC time */
AT_SEND_CMD(resp, 0, 300, "AT+CCLK?");
/* Deactivate context profile */
AT_SEND_CMD(resp, 0, 40 * 1000, "AT+QIDEACT=1");
/* Activate context profile */
AT_SEND_CMD(resp, 0, 150 * 1000, "AT+QIACT=1");
/* Query the status of the context profile */
AT_SEND_CMD(resp, 0, 150 * 1000, "AT+QIACT?");
at_resp_parse_line_args_by_kw(resp, "+QIACT:", "+QIACT: %*[^\"]\"%[^\"]", &parsed_data);
LOG_I("%s", parsed_data);
__exit:
if (resp)
{
at_delete_resp(resp);
}
if (!result)
{
LOG_I("AT network initialize success!");
}
else
{
LOG_E("AT network initialize failed (%d)!", result);
}
}
void ec20_net_init(void)
{
#ifdef PKG_AT_INIT_BY_THREAD
rt_thread_t tid;
tid = rt_thread_create("ec20_net_init", ec20_init_thread_entry, RT_NULL, EC20_THREAD_STACK_SIZE, EC20_THREAD_PRIORITY, 20);
if (tid)
{
rt_thread_startup(tid);
}
else
{
LOG_E("Create AT initialization thread fail!");
}
#else
ec20_init_thread_entry(RT_NULL);
#endif
}
int ec20_ping(int argc, char **argv)
{
at_response_t resp = RT_NULL;
if (argc != 2)
{
rt_kprintf("Please input: at_ping <host address>\n");
return -RT_ERROR;
}
resp = at_create_resp(128, 0, rt_tick_from_millisecond(5000));
if (!resp)
{
rt_kprintf("No memory for response structure!\n");
return -RT_ENOMEM;
}
if (at_exec_cmd(resp, "AT+QPING=1,\"%s\"", argv[1]) < 0)
{
rt_kprintf("AT send ping commands error!\n");
return -RT_ERROR;
}
if (resp)
{
at_delete_resp(resp);
}
return RT_EOK;
}
int ec20_connect(int argc, char **argv)
{
int32_t port;
if (argc != 3)
{
rt_kprintf("Please input: at_connect <host address>\n");
return -RT_ERROR;
}
sscanf(argv[2],"%d",&port);
ec20_socket_connect(0, argv[1], port, AT_SOCKET_TCP, 1);
return RT_EOK;
}
int ec20_close(int argc, char **argv)
{
if (ec20_socket_close(0) < 0)
{
rt_kprintf("ec20_socket_close fail\n");
}
else
{
rt_kprintf("ec20_socket_closeed\n");
}
return RT_EOK;
}
int ec20_send(int argc, char **argv)
{
const char *buff = "1234567890\n";
if (ec20_socket_send(0, buff, 11, AT_SOCKET_TCP) < 0)
{
rt_kprintf("ec20_socket_send fail\n");
}
return RT_EOK;
}
int ec20_domain(int argc, char **argv)
{
char ip[16];
if (ec20_domain_resolve("baidu.com", ip) < 0)
{
rt_kprintf("ec20_socket_send fail\n");
}
else
{
rt_kprintf("baidu.com : %s\n", ip);
}
return RT_EOK;
}
int ec20_ifconfig(void)
{
at_response_t resp = RT_NULL;
char resp_arg[AT_CMD_MAX_LEN] = { 0 };
rt_err_t result = RT_EOK;
resp = at_create_resp(128, 2, rt_tick_from_millisecond(300));
if (!resp)
{
rt_kprintf("No memory for response structure!\n");
return -RT_ENOMEM;
}
/* Query the status of the context profile */
AT_SEND_CMD(resp, 0, 150 * 1000, "AT+QIACT?");
at_resp_parse_line_args_by_kw(resp, "+QIACT:", "+QIACT: %*[^\"]\"%[^\"]", &resp_arg);
rt_kprintf("IP adress : %s\n", resp_arg);
__exit:
if (resp)
{
at_delete_resp(resp);
}
return result;
}
#ifdef FINSH_USING_MSH
#include <finsh.h>
MSH_CMD_EXPORT_ALIAS(ec20_net_init, at_net_init, initialize AT network);
MSH_CMD_EXPORT_ALIAS(ec20_ping, at_ping, AT ping network host);
MSH_CMD_EXPORT_ALIAS(ec20_ifconfig, at_ifconfig, list the information of network interfaces);
MSH_CMD_EXPORT_ALIAS(ec20_connect, at_connect, AT connect network host);
MSH_CMD_EXPORT_ALIAS(ec20_close, at_close, AT close a socket);
MSH_CMD_EXPORT_ALIAS(ec20_send, at_send, AT send a pack);
MSH_CMD_EXPORT_ALIAS(ec20_domain, at_domain, AT domain resolve);
#endif
static const struct at_device_ops ec20_socket_ops = {
ec20_socket_connect,
ec20_socket_close,
ec20_socket_send,
ec20_domain_resolve,
ec20_socket_set_event_cb,
};
static int at_socket_device_init(void)
{
/* create current AT socket event */
at_socket_event = rt_event_create("at_se", RT_IPC_FLAG_FIFO);
if (!at_socket_event)
{
LOG_E("AT client port initialize failed! at_sock_event create failed!");
return -RT_ENOMEM;
}
/* create current AT socket lock */
at_event_lock = rt_mutex_create("at_se", RT_IPC_FLAG_FIFO);
if (!at_event_lock)
{
LOG_E("AT client port initialize failed! at_sock_lock create failed!");
rt_event_delete(at_socket_event);
return -RT_ENOMEM;
}
/* initialize AT client */
at_client_init(AT_DEVICE_NAME, AT_DEVICE_RECV_BUFF_LEN);
/* register URC data execution function */
at_set_urc_table(urc_table, sizeof(urc_table) / sizeof(urc_table[0]));
/* initialize EC20 network */
ec20_net_init();
/* set EC20 AT Socket options */
at_socket_device_register(&ec20_socket_ops);
return 0;
}
INIT_APP_EXPORT(at_socket_device_init);
#endif /* AT_DEVICE_EC20 */
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