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drivers/sds011: add saul integration

This commit is contained in:
Michel Rottleuthner 2018-11-22 19:17:22 +01:00
parent 61dc1920d3
commit bba4d5b39b
3 changed files with 138 additions and 0 deletions

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@ -0,0 +1,46 @@
/*
* Copyright (C) 2018 HAW-Hamburg
*
* 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_sds011
* @{
*
* @file
* @brief SAUL adaption for SDS011 sensor
*
* @author Michel Rottleuthner <michel.rottleuthner@haw-hamburg.de>
*
* @}
*/
#include <string.h>
#include "saul.h"
#include "sds011.h"
#include "xtimer.h"
static int _read(const void *dev, phydat_t *res)
{
sds011_data_t data;
if (sds011_read((sds011_t *)dev, &data) == SDS011_OK) {
res->val[0] = data.pm_2_5;
res->val[1] = data.pm_10;
res->unit = UNIT_GPM3;
res->scale = -7;
return 2;
}
return ECANCELED;
}
const saul_driver_t sds011_saul_driver = {
.read = _read,
.write = saul_notsup,
.type = SAUL_SENSE_PM
};

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@ -449,6 +449,10 @@ void auto_init(void)
extern void auto_init_sht3x(void);
auto_init_sht3x();
#endif
#ifdef MODULE_SDS011
extern void auto_init_sds011(void);
auto_init_sds011();
#endif
#ifdef MODULE_SI114X
extern void auto_init_si114x(void);
auto_init_si114x();

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@ -0,0 +1,88 @@
/*
* Copyright (C) 2018 HAW-Hamburg
*
* 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 sys_auto_init_saul
* @{
*
* @file
* @brief Auto initialization for SDS011 particulate matter sensor
*
* @author Michel Rottleuthner <michel.rottleuthner@haw-hamburg.de>
*
* @}
*/
#ifdef MODULE_SDS011
#include "assert.h"
#include "log.h"
#include "saul_reg.h"
#include "sds011.h"
#include "sds011_params.h"
/**
* @brief Define the number of configured sensors
*/
#define SDS011_NUM (sizeof(sds011_params) / sizeof(sds011_params[0]))
/**
* @brief Allocate memory for the device descriptors
*/
static sds011_t sds011_devs[SDS011_NUM];
/**
* @brief Memory for the SAUL registry entries
*/
static saul_reg_t saul_entries[SDS011_NUM];
/**
* @brief Define the number of saul info
*/
#define SDS011_INFO_NUM (sizeof(sds011_saul_info) / sizeof(sds011_saul_info[0]))
/**
* @name Import SAUL endpoint
* @{
*/
extern const saul_driver_t sds011_saul_driver;
/** @} */
void auto_init_sds011(void)
{
assert(SDS011_INFO_NUM == SDS011_NUM);
for (unsigned int i = 0; i < SDS011_NUM; i++) {
LOG_DEBUG("[auto_init_saul] initializing sds011 #%u\n", i);
if (sds011_init(&sds011_devs[i], &sds011_params[i]) != SDS011_OK) {
LOG_ERROR("[auto_init_saul] error initializing sds011 #%u\n", i);
continue;
}
int retries = 0;
/* sensor must be set to query mode for manual reading by saul */
while (sds011_set_reporting_mode(&sds011_devs[i], SDS011_RMODE_QUERY) != SDS011_OK) {
if (retries++ >= 3) {
LOG_ERROR("[auto_init_saul] error setting sds011 to query mode #%u\n", i);
continue;
}
}
saul_entries[i].dev = &(sds011_devs[i]);
saul_entries[i].name = sds011_saul_info[i].name;
saul_entries[i].driver = &sds011_saul_driver;
saul_reg_add(&saul_entries[i]);
}
}
#else
typedef int dont_be_pedantic;
#endif /* MODULE_SDS011 */