Rainbow Electronics GM862-GPS - Manual (Page 3)

GM862-GPS Software User Guide
1vv0300729 Rev. 5 - 05/07/07
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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