upm/src/nmea_gps/nmea_gps_fti.c
Jon Trulson a040f51cda nmea_gps: renamed vk2828u7 to nmea_gps
This driver will serve as a generic module for grabbing NMEA data from
various GPS devices via a serial interface.  ublox6 will also be
removed in favor of using this driver going forward.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
2016-09-14 14:07:48 -07:00

97 lines
2.9 KiB
C

/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2016 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "nmea_gps.h"
#include "upm_fti.h"
/**
* This file implements the Function Table Interface (FTI) for this sensor
*/
const char upm_nmea_gps_name[] = "NMEA_GPS";
const char upm_nmea_gps_description[] = "Serial GPS (providing NMEA data)";
const upm_protocol_t upm_nmea_gps_protocol[] = {UPM_UART, UPM_GPIO};
const upm_sensor_t upm_nmea_gps_category[] = {UPM_STREAM};
// forward declarations
const void* upm_nmea_gps_get_ft(upm_sensor_t sensor_type);
void* upm_nmea_gps_init_name();
void upm_nmea_gps_close(void *dev);
int upm_nmea_gps_read(void *dev, char *buffer, int len);
int upm_nmea_gps_write(void *dev, char *buffer, int len);
bool upm_nmea_gps_data_available(void *dev, unsigned int timeout);
static const upm_sensor_ft ft =
{
.upm_sensor_init_name = &upm_nmea_gps_init_name,
.upm_sensor_close = &upm_nmea_gps_close,
};
static const upm_stream_ft sft =
{
.upm_stream_read = upm_nmea_gps_read,
.upm_stream_write = upm_nmea_gps_write,
.upm_stream_data_available = upm_nmea_gps_data_available
};
const void* upm_nmea_gps_get_ft(upm_sensor_t sensor_type)
{
switch(sensor_type)
{
case UPM_SENSOR:
return &ft;
case UPM_STREAM:
return &sft;
default:
return NULL;
}
}
void* upm_nmea_gps_init_name()
{
return NULL;
}
void upm_nmea_gps_close(void *dev)
{
nmea_gps_close((nmea_gps_context)dev);
}
int upm_nmea_gps_read(void *dev, char *buffer, int len)
{
return nmea_gps_read((nmea_gps_context)dev, buffer, len);
}
int upm_nmea_gps_write(void *dev, char *buffer, int len)
{
return nmea_gps_write((nmea_gps_context)dev, buffer, len);
}
bool upm_nmea_gps_data_available(void *dev, unsigned int timeout)
{
return nmea_gps_data_available((nmea_gps_context)dev, timeout);
}