pico-tracker/firmware/src/data.c

97 wiersze
2.6 KiB
C

/*
* Collects data from sensors etc into a struct
* Copyright (C) 2015 Richard Meadows <richardeoin>
*
* 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 <string.h>
#include "samd20.h"
#include "data.h"
#include "xosc.h"
#include "hw_config.h"
#include "analogue.h"
#include "gps.h"
#include "ubx_messages.h"
#include "telemetry.h"
#include "watchdog.h"
struct tracker_datapoint datapoint = {};
void xosc_measure_callback(uint32_t result)
{
datapoint.xosc_error = result - XOSC_FREQUENCY;
}
/**
* Collect data asynchronously
*/
void collect_data_async(void)
{
/* Measure XOSC against gps timepulse */
measure_xosc(XOSC_MEASURE_TIMEPULSE, xosc_measure_callback);
/* Analogue Measurements */
start_adc_conversion_sequence();
}
/**
* Collect Data synchronously and return datapoint
*/
struct tracker_datapoint* collect_data(void)
{
/**
* ---- Analogue ----
*/
datapoint.battery = get_battery();
datapoint.solar = get_solar();
datapoint.temperature = telemetry_si_temperature();
/**
* ---- GPS ----
*/
gps_update_position();
/* Wait for the gps update */
while (gps_update_position_pending()) {
idle(IDLE_WAIT_FOR_GPS);
}
/* GPS Status */
struct ubx_nav_sol sol = gps_get_nav_sol();
datapoint.satillite_count = sol.payload.numSV;
/* GPS Position */
if (gps_is_locked()) {
struct ubx_nav_posllh pos = gps_get_nav_posllh();
datapoint.latitude = pos.payload.lat;
datapoint.longitude = pos.payload.lon;
datapoint.altitude = pos.payload.height;
}
/* GPS Powersave */
gps_set_powersave_auto();
return &datapoint;
}