Gprs operations, Gps operations – Rainbow Electronics GM862-GPS User Manual
Page 3

GM862-GPS Software User Guide
1vv0300729 Rev. 5 - 05/07/07
Reproduction forbidden w ithout Telit Communications S.p.A. w ritten authorization - All Rights Reserved
page 3 of 120
3.5.1
SMS device setup ................................................................................................................. 58
3.5.2
IRA character set.................................................................................................................. 68
3.5.3
Writing a New SMS to storage .............................................................................................. 70
3.5.4
Sending an SMS previously stored......................................................................................... 72
3.5.5
Sending a new SMS without storing it.................................................................................... 73
3.5.6
Deleting an SMS .................................................................................................................. 75
3.5.7
Reading an SMS................................................................................................................... 76
3.5.8
Listing a group of SMSs........................................................................................................ 78
3.6
Using Ge ne ral Purpose Input/Output pins .................................................................................80
3.6.1
GPIO pin setup..................................................................................................................... 80
3.6.2
GPIO pin use........................................................................................................................ 82
3.7
Clock/Alarm function.................................................................................................................87
3.7.1
Clock date/time .................................................................................................................... 88
3.7.2
Alarm function ..................................................................................................................... 89
4
GPRS operations...............................................................................................94
4.1
Introduction...............................................................................................................................94
4.1.1
CSD application example ...................................................................................................... 96
4.1.2
GPRS application example .................................................................................................... 96
5
GPS operations..................................................................................................97
5.1
Introduction...............................................................................................................................97
5.2
GM862-GPS Se rial Ports ...........................................................................................................97
5.2.1
GPS SERIAL PORT B (NMEA) ........................................................................................... 97
5.3
WGS 84......................................................................................................................................97
5.4
NMEA 0183 ...............................................................................................................................98
5.4.1
GGA - Globa l Positioning System Fixed Data ........................................................................ 99
5.4.2
GLL - Geographic Position - Latitude/Longitude .................................................................. 100
5.4.3
GSA - GNSS DOP and Active Satellites .............................................................................. 101
5.4.4
GSV - GNSS Satellites in View........................................................................................... 102
5.4.5
RMC - Recommended Minimum Specific GNSS Data.......................................................... 103
5.4.6
VTG - Course Over Ground and Ground Speed .................................................................... 104
5.5
Che cking GPS device functionality ..........................................................................................105
5.6
CONTROLLING GPS RECEIVER.........................................................................................105
5.6.1
POWER CONTROL OF GPS RECEIVER .......................................................................... 105
5.6.2
GPS RESET....................................................................................................................... 106
5.6.3
GPS ANTENNA MANAGEMENT..................................................................................... 107
5.6.4
GPS PARAMETERS SAVE............................................................................................... 108
5.6.5
RESTORE GPS PARAMETERS ........................................................................................ 108
5.6.6
READ ACQUIRED GPS POSITION .................................................................................. 108
5.6.7
Setting The GPS Module In Power Saving Mode .................................................................. 110
5.6.8
Wake Up GPS From Power Saving Mode ............................................................................ 111
5.7
NMEA INPUT MESSAGES ....................................................................................................112