How to use the SIM7100 Module in Linux

Transcription

1 How to use the SIM7100 Module in Linux

2 Document Title: Version: 1.0 Date: Status: Document Control ID: Release V1.0 General Notes SIMCom offers this information as a service to its customers, to support application and engineering efforts that use the products designed by SIMCom. The information provided is based upon requirements specifically provided to SIMCom by the customers. SIMCom has not undertaken any independent search for additional relevant information, including any information that may be in the customer s possession. Furthermore, system validation of this product designed by SIMCom within a larger electronic system remains the responsibility of the customer or the customer s system integrator. All specifications supplied herein are subject to change. Copyright This document contains proprietary technical information which is the property of SIMCom Limited., copying of this document and giving it to others and the using or communication of the contents thereof, are forbidden without express authority. Offenders are liable to the payment of damages. All rights reserved in the event of grant of a patent or the registration of a utility model or design. All specification supplied herein are subject to change without notice at any time. Copyright Shanghai SIMCom Wireless Solutions Ltd V1.0 2

3 Contents 1 Introduction Connection How to connect the SIM7100 module with the PC Intercommunication Intercommunicate with SIM7100 with AT commands by minicom Examples: PPP-dial use SIM Embedded system... 6 V1.0 3

4 Version History Date Version Description of change Author V1.0 New version Scope This document describes how to use the module of SIMCom SIM7100 modules in Linux. Examples are also given for reference. This document can be used for SIMCom SIM7100 modules. V1.0 4

5 1 Introduction This document provides the guide about how to use the SIM7100 module with PC host and embedded system in Linux OS. We take Ubuntu as an example to present the guild. If use other Linux distribution also can refer to this document. 2 Connection 2.1 How to connect the SIM7100 module with the PC. (1).Connect the SIM7100 by physical USB interface and power on the modem. (2).Open the terminal and type the shell command lsusb. (3) (4) (5) (6) Our Modem is recognized by Ubuntu by USB interface(vid=1e0e,pid=9001) Compile the driver GobiSerial. Type the command cd GobiSerial && make, if no error occurs, a file named GobiSerial.ko will be generated. Type the command sudo insmod GobiSerial.ko to install the driver. List the ttyusbx devices by ls -l /dev/ttyusb* If you find /dev/ttyusb0~5, the device driver is! 3 Intercommunication 3.1 Intercommunicate with SIM7100 with AT commands by minicom. Now just demonstrate the minicom case. V1.0 5

6 (1). Install the package minicom in you Linux. (2). The USB class ttyusb2 is the AT-port in SIM7100, so should configure the minicom with /dev/ttyusb2 port. (3). Send AT commands in minicom. Notes: As the slave USB device from the view of the Linux PC, SIM7100 presents has 6 ports(in other words, USB classes) to the PC. 1) /dev/ttyusb0-diag port for output developing messages 2) /dev/ttyusb1- NMEA port for GPS NMEA data output 3) /dev/ttyusb2-at port for AT commands 4) /dev/ttyusb3-modem port for ppp-dial 5) /dev/ttyusb4-audio port 6) /dev/ttyusb5-virtual Net card Figure as below following: 4 Examples: PPP-dial use SIM7100 Here take the Gnome PPP as a example to show how to dial-up with SIM Embedded system 1. System files and kernel configuration: the files as below should be ensured in system. /etc/ppp/chap-secrets /etc/ppp/pap-secrets /etc/ppp/ip-up /etc/ppp/ip-down /etc/ppp/peer/ /usr/sbin/chat V1.0 6

7 /usr/sbin/pppd TXT type file can be copied to use from version release packet, and execute program need be porting according to different hardware system. Compile kernel need select the items as below: CONFIG_PPP=y CONFIG_PPP_MULTILINK=y CONFIG_PPP_ASYNC=y CONFIG_PPP_SYNC_TTY=y 2 pppd configuration 1) Set up /etc/ppp/peer/gprsdial #/etc/ppp/peers/gprsdial # This is pppd script for China Mobile, used SIMCOM SIM7100 Module # Usage: root>pppd call gprs #Interface should be used is the interface which connects physics interface of SIM7100 Module. /dev/ttyusb crtscts modem #noauth debug nodetach #hide-password usepeerdns noipdefault defaultroute user "cmnet" : #ipcp-accept-local #ipcp-accept-remote #lcp-echo-failure 12 #lcp-echo-interval 3 #noccp #novj #novjccomp #persist connect '/usr/sbin/chat -s -v -f /etc/ppp/gprs-connect-chat' #disconnect '/bin/chat -v -f /etc/ppp/gprs-disconnect-chat' 2) Set up /etc/ppp/gprs-connect-chat SIM7100 ppp dial configuration as below, AT+CGEQREQ should be set according to actual parameters. The sections in red should be adjusted according to local mobile operators. V1.0 7

8 #/etc/ppp/gprs-connect-chat # chat script for China Mobile, used SIMCOM sim4100 TD module. TIMEOUT 15 ABORT "DELAYED" ABORT "BUSY" ABORT "ERROR" ABORT "NO DIALTONE" ABORT "NO CARRIER" TIMEOUT 40 '' \rat ATS0=0 ATE0V1 AT+CGDCONT=1,"IP","CMNET" AT+CGEQREQ=1,2,128,384,,,0,,,,,, ATDT*99*1# CONNECT 3) Dial [root@localhost ~]#pppd call gprsdial timeout set to 15 seconds abort on (DELAYED) abort on (BUSY) abort on (ERROR) abort on (NO DIALTONE) abort on (NO CARRIER) timeout set to 40 seconds send (AT) expect () send (ATS0=0) expect () send (ATE0V1) expect () V1.0 8

9 send (AT+CGDCONT=1,"IP","CMNET") expect () send (AT+CGEQREQ=1,2,128,384,,,0,,,,,,) expect () send (ATDT*99*1#) expect (CONNECT) CONNECT send () Serial connection established. using channel 3 Using interface ppp0 Connect: ppp0 <--> /dev/ttyusb0 rcvd [LCP ConfReq id=0x8 <mru 1600> <auth pap> <magic 0xc3c65c9> <asyncmap 0x0> <pcomp> <accomp>] sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x98af97eb> <pcomp> <accomp>] No auth is possible sent [LCP ConfRej id=0x8 <auth pap>] rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x98af97eb> <pcomp> <accomp>] rcvd [LCP ConfReq id=0x9 <mru 1600> <magic 0xc3c65c9> <asyncmap 0x0> <pcomp> <accomp>] sent [LCP ConfAck id=0x9 <mru 1600> <magic 0xc3c65c9> <asyncmap 0x0> <pcomp> <accomp>] sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15>] sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr > <ms-dns > <ms-dns >] V1.0 9

10 rcvd [LCP ProtRej id=0x2 80 fd c 1a ] rcvd [IPCP ConfRej id=0x1 <compress VJ 0f 01>] sent [IPCP ConfReq id=0x2 <addr > <ms-dns > <ms-dns >] rcvd [IPCP ConfReq id=0x3 <addr >] sent [IPCP ConfAck id=0x3 <addr >] rcvd [IPCP ConfNak id=0x2 <addr > <ms-dns > <ms-dns >] sent [IPCP ConfReq id=0x3 <addr > <ms-dns > <ms-dns >] rcvd [IPCP ConfAck id=0x3 <addr > <ms-dns > <ms-dns >] not replacing existing default route to eth0 [ ] local IP address remote IP address primary DNS address secondary DNS address Script /etc/ppp/ip-up started (pid 2869) Script /etc/ppp/ip-up finished (pid 2869), status = 0x0 NOTICE: Host has default gateway of the example, so it does not get gateway. The better method is set off for eth0, and configure host DNS again according to get the information of DNS. V1.0 1

11 Contact us: Shanghai SIMCom Wireless Solutions Co.,Ltd. Address: Building A, SIM Technology Building, No. 633, Jinzhong Road, Shanghai, P. R. China Tel: Fax: URL: V1.0 1