Datasheet module sim908 cua AT_Com
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Transcript of Datasheet module sim908 cua AT_Com
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1 | P a g e
Coppyright AT-COM - www.at-sky.com.vn
General Purpose GSM/GPS SIM908
User Manual
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2 | P a g e
Coppyright AT-COM - www.at-sky.com.vn
1.Gii thiu:
o SIM908 module l mt Module Quad-Band GSM / GPRS hon chnh kt hp cng ngh GPS dn ng v tinh. Thit k nh gn tch hp GPRS v GPS trong mt gi SMT s tit kim ng k thi gian v chi ph cho khch hng pht trin cc ng dng GPS c kch hot.
o Vi mt giao din tiu chun cng nghip v chc nng GPS, n cho php theo di lin tc bt k v tr no v bt c lc no vi tn hiu c bo m tuyt i nhng ch c kch thc: 30 * 30 * 3.2mm.
o GSM/GPS SIM908 l mt sn phm do AT-COM pht trin nhm gip ngi s dng c th khai thc cc tnh nng ca Sim908 mt cch d dng. Bn cnh vi kch thc nh gn v ng giao tip d liu tin dng, GSM/GPS SIM908 s mang n cho bn nhng cm hng thit k hin i v tinh t nht.
Hnh 1: Module GSM/GPS SIM908
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Coppyright AT-COM - www.at-sky.com.vn
1.1 c im k thut ca GSM/GPS SIM908
Module GSM/GPS SIM908:
Quad-Band 850/900/1800/1900MHz
GPRS multi-slot class 10
GPRS class 8/10: max. 85.6 kbps (downlink)
GPS: 42-channel, GPS L1 C/A code, High-performance STE engine
Control via AT commands
in p hot ng:
Ngun xung dng IC LM2596 cho dng ti 3A, tn s p ng 150Khz in p ng vo: 7-12V DC in p ng ra : 4.5V, 4V, 3.3V in p ng ra c la chn thng qua mt jumper select trn mch
Giao tip my tnh:
Cng USB 2.0 kiu B cho php SIM908 giao tip my tnh Nt nhn chn cng GSM hoc GPS giao tip vi my tnh S dng IC FT232RL chuyn i USB TO UART
Tch hp kt ni anten ngoi cho GSM, GPS
Tch hp SIM Card trn mch
Tch hp Transistor kch ngun v led Netlight
Nt nhn ON/OFF: dng bt/tt ngun cung cp cho SIM908
Led PWR: led hin th ngun
Led NET: led hin th sng ca SIM908
Led TX, RX: hin th d liu truyn nhn khi giao tip qua cng USB
Cng kt ni ngoi 16 chn: ON/OFF, SPK1N, SPK1P, MIC1N, MIC1P, VCHG, TEMP-BAT, SDA, SCL, PWM3, PWM2, PWM1, ADC,
VRTC, STATUS, LED
Cng kt ni ngoi 8 chn giao tip RS232 cng GSM: DTR, DCD, RI, CTS, RTS, TX, RX, GND
Cng kt ni ngoi 3 chn giao tip UART cng GPS: RX-GPS, TX-GPS, GND
Kch thc : 80x50 mm
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Coppyright AT-COM - www.at-sky.com.vn
1.2 ng dng:
Sim908 l module sim tch hp GPRS v GPS do SimCom pht trin s gip cho ngi s dng tit kim c rt nhiu thi gian v chi ph cho vic s dng. N c kh nng theo di lin tc bt k v tr no vi tn hiu cc k n nh v chnh xc. Vi nhng li th ni tri nh vy, AT-COM xin gii thiu vi cc bn mt ng dng n gin trn nn GPS.
2. Hng dn kt ni:
Hnh 2: S khi GSM/GPS SIM908
3. Hng dn s dng:
Module SIM908 hot ng vi mc in p t 3.2V 4.8V, yu cu dng cung cp 2A. Simcom khuyn nn s dng mch ngun xung 3A dng IC n p LM2596.
bt/tt GSM/GPS SIM908 ta nhn nt khi ng khong 1s, lc ny n Led status s sng, sau nhp nhy vi tn sut nhanh bo hiu SIM908 ang khi ng v tm mng. Sau Led status nhp nhy chm li bo hiu SIM908 hot ng bnh thng.
Vi cc ng giao tip c thit k sao cho thun tin nht cho ngi s dng, bn c th t pht trin tng v lm ra mt sn phm hin i nhng cng rt thit thc vi cuc sng
test SIM908 vi my vi tnh ta cn mt mch giao tip my tnh truyn nhn d liu t cng UART ca SIM908 vi bt k mt phn mm Terminal no trn my vi tnh.
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5 | P a g e
Coppyright AT-COM - www.at-sky.com.vn
Hnh 3: S kt ni vi my tnh
Sau khi kt ni ta s dng phn mm Terminal.exe giao tip my tnh vi GSM/GPS SIM908
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6 | P a g e
Coppyright AT-COM - www.at-sky.com.vn
Cc bc test SMS/GPRS GSM/GPS SIM908:
Bc 1: Khi ng SIM908
- Sau khi khi ng SIM908 ta s nhn thy trn mn hnh nh sau
- Mn hnh hin 4 dng nh trn tc l SIM908 khi ng hon tt
Bc 2: Test kim tra ng truyn
- kim tra ng truyn ta gi lnh AT cho SIM908 ta g t bn phm lnh AT v nhn enter. Lc trn mn hnh s hin th:
- Nu nhn c thng bo OK tc l ng truyn ang truyn tt.
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Coppyright AT-COM - www.at-sky.com.vn
Bc 3: Test nhn cuc gi:
- Sau khi test gi AT thnh cng ta dng mt in thoi khc gi vo s thu bao trn GSM/GPS SIM908 test nhn cuc gi. SIM908 hot ng tt s tr v mn hnh nh sau:
Bc 4: Test nhn tin nhn
u tin ta phi cu hnh tin nhn ca SIM908 vi nh dng l kiu text
Cu trc lnh nh sau: AT+CMGF=1 G Enter
By gi ta s dng mt in thoi khc gi mt tin nhn vo SIM908. Nu SIM908 hot ng tt s nhn chui nh sau:
Bc 5: Test gi
- Bc tip theo l test cho sim thc hin cuc gi ta dng lnh:
C php lnh: ATDxxxxxxxxxx; G Enter (xxxxxxxxxxx: l s in thoi cn gi). Nu mun kt thc cuc gi dng lnh ATH kt thc cuc gi.
C php lnh: ATH G Enter
Bc 6: Test nhn tin
- test nhn tin ta dng lnh
AT+CMGS=xxxxxxxxxxx (xxxxxxxxxxx: l s in thoi cn nhn tin)
>ni dung tin nhn
- Sau khi nhp ni dung tin nhn v cui cng l t hp phm Ctrl+z sim hiu v gi tin nhn i. Sau y l cc thao tc trn mn hnh:
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8 | P a g e
Coppyright AT-COM - www.at-sky.com.vn
- Sim tr v OK tc l gi thnh cng tin nhn.
Tp lnh AT dnh cho GPS
SimCom cug cp cho chng ta h thng cc lnh AT Command iu
khin GPS, nhin v quan trng l kh nng p dng lnh vo tng ng dng m
chng ta mong mun.
Sao y l mt s lnh AT Command cc bn c th tham kho:
1.1 Tng quan:
Command Description
AT+CGPSPWR iu khin ngun GPS
AT+CGPSRST t li ch GPS(Hot/Warm/Cold)
AT+CGPSINF nhn thng tin v tr GPS hin ti
AT+CGPSOUT iu khin d liu ra NMEA GPS
AT+CGPSSTATUS Tnh trng GPS
AT+CGPSIPR set tc baudrate
1.2 AT+CGPSPWR:
a. Lnh test:
AT+CGPSPWR=?
Phn hi: +CGPSPWR:(danh sch cc mode)
b. Lnh c:
AT+CGPSPWR?
Phn hi: +CGPSPWR:[mode]
c. Lnh ghi:
AT+CGPSPWR=[mode]
[mode]:0 tt ngun GPS
[mode]:1 bt ngun GPS
1.3 AT+CGPSRST:
a. Lnh test:
AT+CGPSRST=?
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Coppyright AT-COM - www.at-sky.com.vn
Phn hi: +CGPSRST:(danh sch cc mode)
b. Lnh c:
AT+CGPSRST?
Phn hi: +CGPSRST:[mode]
c. Lnh ghi:
AT+CGPSRST=[mode]
[mode]: 0 reset GPS in COLD start mode
[mode]: 1 mode t ng
Ch COLD l ngh cho ln u tin reset
1.4 AT+CGPSINF:
a. Lnh test:
AT+CGPSINF=?
Phn hi: +CGPSINF:(0,2,4,8,16,32,64,128)
b.Lnh c:
AT+CGPSINF=[mode]
Nu [mode] l 0 th:
Phn hi:
[mode],[kinh ],[v ],[ cao],[UTC time],[TTFF],[num],[tc
],[course]
Nu [mode] l:
21: cc thng s xem ph lc A.1 $GPGGA [1]
22: cc thng s xem ph lc A.2 GPGLL [1]
23: cc thng s xem ph lc A.3 GPGSA [1]
24: cc thng s xem ph lc A.4 GPGSV [1][2]
25: cc thng s xem ph lc A.5 GPRMC [1]
26: cc thng s xem ph lc A.6 GPVTG [1]
27: cc thng s xem ph lc A.7 GPZDA [1]
[1] khng bao gm cc thng s:massage ID, checksum, [CR][LF]
[2] bao gm cc thng s:
Satellites in view
Satellites ID
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10 | P a g e
Coppyright AT-COM - www.at-sky.com.vn
elevation
azimuth
SNR(C/N0)
1.5 AT+CGPSOUT:
a. Lnh test
AT+CGPSOUT=?
Phn hi: +CGPSOUT:(0-255)
b. Lnh c
AT+CGPSOUT?
Phn hi: +CGPSOUT:[mode]
c. Lnh ghi:
AT+CGPSOUT=[mode]
Nu l 0 th: gim thiu thng tin ng ra GPS NMEA t Debug UART
Nu:
Bit1=1, cho php d liu ng ra NMEA $GPGGA, xem ph lc A.1
Bit2=1, cho php d liu ng ra NMEA $GPGLL, xem ph lc A.2
Bit3=1, cho php d liu ng ra NMEA $GPGSA, xem ph lc A.3
Bit4=1, cho php d liu ng ra NMEA $GPGSV, xem ph lc A.4
Bit5=1, cho php d liu ng ra NMEA $GPRMC, xem ph lc A.5
Bit6=1, cho php d liu ng ra NMEA $GPVTG, xem ph lc A.6
Bit7=1, cho php d liu ng ra NMEA $GPZDA, xem ph lc A.7
1.6 AT+CGPSSTATUS:
a. Lnh test
AT+CGPSSTATUS=?
Phn hi: +CGPSSTATUS:(danh sch cc mode )
b. Lnh c:
AT+CGPSSTATUS?
Phn h: +AT+CGPSSTATUS: [mode]
Cc thng s GPS MODE RESET
[mode] l mt gi tr chui
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Coppyright AT-COM - www.at-sky.com.vn
Location UnKnown: GPS khng chy
Location Not Fix: GPS chy v khng c nh
Location 2D Fix: trng thi GPS c nh 2D
Location 3D Fix: trng thi GPS c nh 3D
1.7 AT+CGPSIPR:
a. Lnh test:
AT+CGPSIPR=?
Phn hi: +CGPSIPR:(danh sch mode)
b. Lnh c:
AT+CGPSIPR:[mode]
c. Lnh ghi:
AT+CGPSIPR=[mode]
[mode]:4800,9600,19200,38400,57600,115200,230400,460800
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12 | P a g e
Coppyright AT-COM - www.at-sky.com.vn
AT-COM gi li cm n chn thnh n cc bn quan tm v ng h cc sn phm ca chng ti, AT-COM s tip tc pht trin, ngy cng hon thin sn phm ca mnh. Hy vng sn phm ca chng ti s gip ch cho vic nghin cu, trin khai nhng ng dng thc t ca cc bn.
Chc thnh cng.
Cty TNHH T ng ha Vin Thng AT-COM Add: 65A, Trn Quc Tun, P. 1, Q. G Vp, TP H Ch Minh Web: www.at-sky.com.vn
Email: [email protected]