mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
0cb92e1e51
A memset was used to clear two of the SAUL values in phydat_t::val The change is to replace that by the following res->val[1] = 0; res->val[2] = 0; which makes the code more obvious.
44 lines
894 B
C
44 lines
894 B
C
/*
|
|
* Copyright (C) 2018 UC Berkeley
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU Lesser
|
|
* General Public License v2.1. See the file LICENSE in the top level
|
|
* directory for more details.
|
|
*/
|
|
|
|
/**
|
|
* @ingroup drivers_pir
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief PIR adaption to the RIOT actuator/sensor interface
|
|
*
|
|
* @author Hyung-Sin Kim <hs.kim@cs.berkeley.edu>
|
|
*
|
|
* @}
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include "saul.h"
|
|
#include "pir.h"
|
|
|
|
static int read_occup(const void *dev, phydat_t *res) {
|
|
pir_t *d = (pir_t *)dev;
|
|
if (pir_get_occupancy(d, &(res->val[0]))) {
|
|
/* Read failure */
|
|
return -ECANCELED;
|
|
}
|
|
res->val[1] = 0;
|
|
res->val[2] = 0;
|
|
res->unit = UNIT_PERCENT;
|
|
res->scale = -2;
|
|
return 1;
|
|
}
|
|
|
|
const saul_driver_t pir_saul_occup_driver = {
|
|
.read = read_occup,
|
|
.write = saul_notsup,
|
|
.type = SAUL_SENSE_OCCUP,
|
|
};
|