mirror of
https://bitbucket.org/librepilot/librepilot.git
synced 2024-11-30 08:24:11 +01:00
65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
*
|
||
|
|
* @file pios_sensors.c
|
||
|
|
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2014.
|
||
|
|
* @brief PiOS sensors handling
|
||
|
|
* --
|
||
|
|
* @see The GNU Public License (GPL) Version 3
|
||
|
|
*
|
||
|
|
*****************************************************************************/
|
||
|
|
/*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful, but
|
||
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
||
|
|
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||
|
|
* for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License along
|
||
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||
|
|
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <pios_mem.h>
|
||
|
|
#include <pios_sensors.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
// private variables
|
||
|
|
|
||
|
|
static PIOS_SENSORS_Instance *sensor_list = 0;
|
||
|
|
|
||
|
|
PIOS_SENSORS_Instance *PIOS_SENSORS_Register(const PIOS_SENSORS_Driver *driver, PIOS_SENSORS_TYPE type, uintptr_t context)
|
||
|
|
{
|
||
|
|
PIOS_SENSORS_Instance *instance = (PIOS_SENSORS_Instance *)pios_malloc(sizeof(PIOS_SENSORS_Instance));
|
||
|
|
|
||
|
|
instance->driver = driver;
|
||
|
|
instance->type = type;
|
||
|
|
instance->context = context;
|
||
|
|
LL_APPEND(sensor_list, instance);
|
||
|
|
return instance;
|
||
|
|
}
|
||
|
|
|
||
|
|
PIOS_SENSORS_Instance *PIOS_SENSORS_GetList()
|
||
|
|
{
|
||
|
|
return sensor_list;
|
||
|
|
}
|
||
|
|
|
||
|
|
PIOS_SENSORS_Instance *PIOS_SENSORS_GetInstanceByType(const PIOS_SENSORS_Instance *previous_instance, PIOS_SENSORS_TYPE type)
|
||
|
|
{
|
||
|
|
if (!previous_instance) {
|
||
|
|
previous_instance = sensor_list;
|
||
|
|
}
|
||
|
|
PIOS_SENSORS_Instance *sensor;
|
||
|
|
|
||
|
|
LL_FOREACH((PIOS_SENSORS_Instance *)previous_instance, sensor) {
|
||
|
|
if (sensor->type && type) {
|
||
|
|
return sensor;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return NULL;
|
||
|
|
}
|