/* * 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 #include #include #include #include #include #include #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 #ifdef AT_DEVICE_EC20 #define EC20_NETDEV_NAME "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_W("%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_W("%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 : 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 ", 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 : 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 ", 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; rt_mutex_take(at_event_lock, RT_WAITING_FOREVER); /* default connection timeout is 10 seconds, but it set to 1 seconds is convenient to use.*/ result = at_exec_cmd(RT_NULL, "AT+QICLOSE=%d,1", socket); if (result < 0) { return result; } rt_mutex_release(at_event_lock); 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: /* Clear socket connect event */ at_socket_event_recv(SET_EVENT(socket, EC20_EVENT_CONN_OK | EC20_EVENT_CONN_FAIL), 0, RT_EVENT_FLAG_OR); if (is_client) { switch (type) { case AT_SOCKET_TCP: /* send AT commands(AT+QIOPEN=,,"","/",,,) 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), 10 * RT_TICK_PER_SECOND, 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, 1 * RT_TICK_PER_SECOND, 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_W("socket (%d) connect failed, maybe the socket was not be closed at the last time and now will retry.", socket); /* default connection timeout is 10 seconds, but it set to 1 seconds is convenient to use.*/ at_exec_cmd(RT_NULL, "AT+QICLOSE=%d,1", socket); 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, 5 * RT_TICK_PER_SECOND); 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_mdelay(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, 5 * RT_TICK_PER_SECOND); if (!resp) { LOG_E("No memory for response structure!"); return -RT_ENOMEM; } rt_mutex_take(at_event_lock, RT_WAITING_FOREVER); /* Clear socket send event */ at_socket_event_recv(SET_EVENT(socket, EC20_EVENT_SEND_OK | EC20_EVENT_SEND_FAIL), 0, RT_EVENT_FLAG_OR); /* 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), 10 * RT_TICK_PER_SECOND, RT_EVENT_FLAG_OR) < 0) { 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, 1 * RT_TICK_PER_SECOND, 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 3 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, 10 * RT_TICK_PER_SECOND); 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); result = at_exec_cmd(resp, "AT+QIDNSGIP=1,\"%s\"", name); if (result < 0) { goto __exit; } 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, 10 * RT_TICK_PER_SECOND, RT_EVENT_FLAG_OR) < 0) { continue; } else { if (strlen(recv_ip) < 8) { rt_thread_mdelay(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; } } } /* response timeout */ if (i == RESOLVE_RETRY) { result = -RT_ENOMEM; } } __exit: 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_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= ,0" command to close socket */ at_exec_cmd(RT_NULL, "AT+QICLOSE=%d,0\r\n", socket); rt_thread_mdelay(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; 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) { sscanf(data, "+QIURC: \"dnsgip\",\"%[^\"]", recv_ip); recv_ip[15] = '\0'; at_socket_event_send(EC20_EVENT_DOMAIN_OK); } else { 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}, {"+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); \ static int ec20_netdev_set_info(struct netdev *netdev); static int ec20_netdev_check_link_status(struct netdev *netdev); /* 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_mdelay(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_mdelay(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_mdelay(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_mdelay(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_mdelay(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) { /* set network interface device status and address information */ ec20_netdev_set_info(netdev_get_by_name(EC20_NETDEV_NAME)); ec20_netdev_check_link_status(netdev_get_by_name(EC20_NETDEV_NAME)); LOG_I("AT network initialize success!"); } else { LOG_E("AT network initialize failed (%d)!", result); } } /* EC20 device network initialize */ 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 failed!"); } #else ec20_init_thread_entry(RT_NULL); #endif } #ifdef FINSH_USING_MSH #include MSH_CMD_EXPORT_ALIAS(ec20_net_init, at_net_init, initialize AT network); #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, }; /* set ec20 network interface device status and address information */ static int ec20_netdev_set_info(struct netdev *netdev) { #define EC20_IEMI_RESP_SIZE 32 #define EC20_IPADDR_RESP_SIZE 64 #define EC20_DNS_RESP_SIZE 96 #define EC20_INFO_RESP_TIMO rt_tick_from_millisecond(300) int result = RT_EOK; at_response_t resp = RT_NULL; ip_addr_t addr; if (netdev == RT_NULL) { LOG_E("Input network interface device is NULL.\n"); return -RT_ERROR; } rt_mutex_take(at_event_lock, RT_WAITING_FOREVER); /* set network interface device status */ netdev_low_level_set_status(netdev, RT_TRUE); netdev_low_level_set_link_status(netdev, RT_TRUE); netdev_low_level_set_dhcp_status(netdev, RT_TRUE); resp = at_create_resp(EC20_IEMI_RESP_SIZE, 0, EC20_INFO_RESP_TIMO); if (resp == RT_NULL) { LOG_E("EC20 set netdev information failed, no memory for response object."); result = -RT_ENOMEM; goto __exit; } /* set network interface device hardware address(IEMI) */ { #define EC20_NETDEV_HWADDR_LEN 8 #define EC20_IEMI_LEN 15 char iemi[EC20_IEMI_LEN] = {0}; int i = 0, j = 0; /* send "AT+GSN" commond to get device IEMI */ if (at_exec_cmd(resp, "AT+GSN") < 0) { result = -RT_ERROR; goto __exit; } if (at_resp_parse_line_args(resp, 2, "%s", iemi) <= 0) { LOG_E("Prase \"AT+GSN\" commands resposne data error!"); result = -RT_ERROR; goto __exit; } LOG_D("EC20 IEMI number: %s", iemi); netdev->hwaddr_len = EC20_NETDEV_HWADDR_LEN; /* get hardware address by IEMI */ for (i = 0, j = 0; i < EC20_NETDEV_HWADDR_LEN && j < EC20_IEMI_LEN; i++, j+=2) { if (j != EC20_IEMI_LEN - 1) { netdev->hwaddr[i] = (iemi[j] - '0') * 10 + (iemi[j + 1] - '0'); } else { netdev->hwaddr[i] = (iemi[j] - '0'); } } } /* set network interface device IP address */ { #define IP_ADDR_SIZE_MAX 16 char ipaddr[IP_ADDR_SIZE_MAX] = {0}; at_resp_set_info(resp, EC20_IPADDR_RESP_SIZE, 0, EC20_INFO_RESP_TIMO); /* send "AT+QIACT?" commond to get IP address */ if (at_exec_cmd(resp, "AT+QIACT?") < 0) { result = -RT_ERROR; goto __exit; } /* parse response data "+QIACT: 1,,[,]" */ if (at_resp_parse_line_args_by_kw(resp, "+QIACT:", "+QIACT: %*[^\"]\"%[^\"]", ipaddr) <= 0) { LOG_E("Prase \"AT+QIACT?\" commands resposne data error!"); result = -RT_ERROR; goto __exit; } LOG_D("EC20 IP address: %s", ipaddr); /* set network interface address information */ inet_aton(ipaddr, &addr); netdev_low_level_set_ipaddr(netdev, &addr); } /* set network interface device dns server */ { #define DNS_ADDR_SIZE_MAX 16 char dns_server1[DNS_ADDR_SIZE_MAX] = {0}, dns_server2[DNS_ADDR_SIZE_MAX] = {0}; at_resp_set_info(resp, EC20_DNS_RESP_SIZE, 0, EC20_INFO_RESP_TIMO); /* send "AT+QIDNSCFG=1" commond to get DNS servers address */ if (at_exec_cmd(resp, "AT+QIDNSCFG=1") < 0) { result = -RT_ERROR; goto __exit; } /* parse response data "+QIDNSCFG: ,," */ if (at_resp_parse_line_args_by_kw(resp, "+QIDNSCFG:", "+QIDNSCFG: 1,\"%[^\"]\",\"%[^\"]\"", dns_server1, dns_server2) <= 0) { LOG_E("Prase \"AT+QIDNSCFG=1\" commands resposne data error!"); result = -RT_ERROR; goto __exit; } LOG_D("EC20 primary DNS server address: %s", dns_server1); LOG_D("EC20 secondary DNS server address: %s", dns_server2); inet_aton(dns_server1, &addr); netdev_low_level_set_dns_server(netdev, 0, &addr); inet_aton(dns_server2, &addr); netdev_low_level_set_dns_server(netdev, 1, &addr); } __exit: if (resp) { at_delete_resp(resp); } rt_mutex_release(at_event_lock); return result; } static void ec20_check_link_status_entry(void *parameter) { #define EC20_LINK_RESP_SIZE 64 #define EC20_LINK_RESP_TIMO (3 * RT_TICK_PER_SECOND) #define EC20_LINK_DELAY_TIME (30 * RT_TICK_PER_SECOND) int link_stat = 0; at_response_t resp = RT_NULL; struct netdev *netdev = (struct netdev *) parameter; resp = at_create_resp(EC20_LINK_RESP_SIZE, 0, EC20_LINK_RESP_TIMO); if (resp == RT_NULL) { LOG_E("EC20 set check link status failed, no memory for response object."); return; } while (1) { rt_mutex_take(at_event_lock, RT_WAITING_FOREVER); /* send "AT+CGREG" commond to check netweork interface device link status */ if (at_exec_cmd(resp, "AT+CGREG?") < 0) { if (netdev_is_link_up(netdev)) { netdev_low_level_set_link_status(netdev, RT_FALSE); } rt_mutex_release(at_event_lock); rt_thread_mdelay(EC20_LINK_DELAY_TIME); continue; } else { at_resp_parse_line_args_by_kw(resp, "+CGREG:", "+CGREG: %*d,%d", &link_stat); /* 1 Registered, home network,5 Registered, roaming */ if (link_stat == 1 || link_stat == 5) { if (netdev_is_link_up(netdev) == RT_FALSE) { netdev_low_level_set_link_status(netdev, RT_TRUE); } } else { if (netdev_is_link_up(netdev)) { netdev_low_level_set_link_status(netdev, RT_FALSE); } } } rt_mutex_release(at_event_lock); rt_thread_mdelay(EC20_LINK_DELAY_TIME); } } static int ec20_netdev_check_link_status(struct netdev *netdev) { #define EC20_LINK_THREAD_STACK_SIZE 1024 #define EC20_LINK_THREAD_PRIORITY (RT_THREAD_PRIORITY_MAX - 2) #define EC20_LINK_THREAD_TICK 20 rt_thread_t tid; if (netdev == RT_NULL) { LOG_E("Input network interface device is NULL.\n"); return -RT_ERROR; } /* create WIZnet link status Polling thread */ tid = rt_thread_create("ec20_link", ec20_check_link_status_entry, (void *) netdev, EC20_LINK_THREAD_STACK_SIZE, EC20_LINK_THREAD_PRIORITY, EC20_LINK_THREAD_TICK); if (tid != RT_NULL) { rt_thread_startup(tid); } return RT_EOK; } static int ec20_netdev_set_up(struct netdev *netdev) { netdev_low_level_set_status(netdev, RT_TRUE); LOG_D("EC20 network interface set up status."); return RT_EOK; } static int ec20_netdev_set_down(struct netdev *netdev) { netdev_low_level_set_status(netdev, RT_FALSE); LOG_D("EC20 network interface set down status."); return RT_EOK; } static int ec20_netdev_set_dns_server(struct netdev *netdev, ip_addr_t *dns_server) { #define EC20_DNS_RESP_LEN 8 #define EC20_DNS_RESP_TIMEO rt_tick_from_millisecond(300) at_response_t resp = RT_NULL; int result = RT_EOK; RT_ASSERT(netdev); RT_ASSERT(dns_server); rt_mutex_take(at_event_lock, RT_WAITING_FOREVER); resp = at_create_resp(EC20_DNS_RESP_LEN, 0, EC20_DNS_RESP_TIMEO); if (resp == RT_NULL) { LOG_E("EC20 set dns server failed, no memory for response object."); result = -RT_ENOMEM; goto __exit; } /* send "AT+QIDNSCFG=[,]" commond to set dns servers */ if (at_exec_cmd(resp, "AT+QIDNSCFG=1,\"%s\"", inet_ntoa(dns_server)) < 0) { result = -RT_ERROR; goto __exit; } netdev_low_level_set_dns_server(netdev, 0, dns_server); __exit: if (resp) { at_delete_resp(resp); } rt_mutex_release(at_event_lock); return result; } static int ec20_netdev_ping(struct netdev *netdev, const char *host, size_t data_len, uint32_t timeout, struct netdev_ping_resp *ping_resp) { #define EC20_PING_RESP_SIZE 128 #define EC20_PING_IP_SIZE 16 #define EC20_PING_TIMEO (5 * RT_TICK_PER_SECOND) at_response_t resp = RT_NULL; rt_err_t result = RT_EOK; int response = -1, recv_data_len, ping_time, ttl; char ip_addr[EC20_PING_IP_SIZE] = {0}; RT_ASSERT(netdev); RT_ASSERT(host); RT_ASSERT(ping_resp); rt_mutex_take(at_event_lock, RT_WAITING_FOREVER); resp = at_create_resp(EC20_PING_RESP_SIZE, 4, EC20_PING_TIMEO); if (resp == RT_NULL) { LOG_E("No memory for response structure!\n"); return -RT_ENOMEM; } /* send "AT+QPING=""[,[][,]]" commond to send ping request */ if (at_exec_cmd(resp, "AT+QPING=1,\"%s\",%d,1", host, timeout / RT_TICK_PER_SECOND) < 0) { result = -RT_ERROR; goto __exit; } at_resp_parse_line_args_by_kw(resp, "+QPING:", "+QPING:%d", &response); /* Received the ping response from the server */ if (response == 0) { if (at_resp_parse_line_args_by_kw(resp, "+QPING:", "+QPING:%d,\"%[^\"]\",%d,%d,%d", &response, ip_addr, &recv_data_len, &ping_time, &ttl) <= 0) { result = -RT_ERROR; goto __exit; } } /* prase response number */ switch (response) { case 0: inet_aton(ip_addr, &(ping_resp->ip_addr)); ping_resp->data_len = recv_data_len; ping_resp->ticks = ping_time; ping_resp->ttl = ttl; result = RT_EOK; break; case 569: result = -RT_ETIMEOUT; break; default: result = -RT_ERROR; break; } __exit: if (resp) { at_delete_resp(resp); } rt_mutex_release(at_event_lock); return result; } void ec20_netdev_netstat(struct netdev *netdev) { // TODO return; } const struct netdev_ops ec20_netdev_ops = { ec20_netdev_set_up, ec20_netdev_set_down, RT_NULL, ec20_netdev_set_dns_server, RT_NULL, ec20_netdev_ping, ec20_netdev_netstat, }; static int ec20_netdev_add(const char *netdev_name) { #define ETHERNET_MTU 1500 #define HWADDR_LEN 6 struct netdev *netdev = RT_NULL; netdev = (struct netdev *)rt_calloc(1, sizeof(struct netdev)); if (netdev == RT_NULL) { return RT_NULL; } netdev->mtu = ETHERNET_MTU; netdev->ops = &ec20_netdev_ops; netdev->hwaddr_len = HWADDR_LEN; #ifdef SAL_USING_AT extern int sal_at_netdev_set_pf_info(struct netdev *netdev); /* set the network interface socket/netdb operations */ sal_at_netdev_set_pf_info(netdev); #endif return netdev_register(netdev, netdev_name, RT_NULL); } 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])); /* Add ec20 network inetrface device to the netdev list */ if (ec20_netdev_add(EC20_NETDEV_NAME) < 0) { LOG_E("EC20 network interface device(%d) add failed.", EC20_NETDEV_NAME); return -RT_ENOMEM; } /* initialize EC20 network */ ec20_net_init(); /* set EC20 AT Socket options */ at_socket_device_register(&ec20_socket_ops); return RT_EOK; } INIT_APP_EXPORT(at_socket_device_init); #endif /* AT_DEVICE_EC20 */