From bba4d5b39b988831abf9afaa7552bbe1e55172b0 Mon Sep 17 00:00:00 2001
From: Michel Rottleuthner <michel.rottleuthner@haw-hamburg.de>
Date: Thu, 22 Nov 2018 19:17:22 +0100
Subject: [PATCH] drivers/sds011: add saul integration
---
drivers/sds011/sds011_saul.c | 46 ++++++++++++++
sys/auto_init/auto_init.c | 4 ++
sys/auto_init/saul/auto_init_sds011.c | 88 +++++++++++++++++++++++++++
3 files changed, 138 insertions(+)
create mode 100644 drivers/sds011/sds011_saul.c
create mode 100644 sys/auto_init/saul/auto_init_sds011.c
diff --git a/drivers/sds011/sds011_saul.c b/drivers/sds011/sds011_saul.c
new file mode 100644
index 0000000000..d57e125f9e
--- /dev/null
+++ b/drivers/sds011/sds011_saul.c
@@ -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
+};
diff --git a/sys/auto_init/auto_init.c b/sys/auto_init/auto_init.c
index a5c45badec..b4e389d95d 100644
--- a/sys/auto_init/auto_init.c
+++ b/sys/auto_init/auto_init.c
@@ -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();
diff --git a/sys/auto_init/saul/auto_init_sds011.c b/sys/auto_init/saul/auto_init_sds011.c
new file mode 100644
index 0000000000..f5874b6f49
--- /dev/null
+++ b/sys/auto_init/saul/auto_init_sds011.c
@@ -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 */
--
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