uint8_t enable_gps()
enables the GPS functionality of the SIM808 module
Definition: gps.c:13
uint8_t sim_gps_get_speed(char *speed)
returns the speed relative to ground.
Prototypes of functions that communicate with the SIM808 module and control it and definition of rela...
uint8_t sim_gps_disable()
disables the GPS functionality of the SIM808 module and the active antenna power supply ...
uint8_t get_gps_location(char *coordinates)
checks if the module has a GPS fix, if yes, it querries the GPS module for the current position...
Definition: gps.c:26