225 lines
7.0 KiB
C
225 lines
7.0 KiB
C
/*
|
|
* Copyright (c) 2017 Linaro Limited
|
|
* Copyright (c) 2018-2019 Foundries.io
|
|
* Copyright (c) 2020 Laird Connectivity
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#define LOG_MODULE_NAME net_ipso_pressure_sensor
|
|
#define LOG_LEVEL CONFIG_LWM2M_LOG_LEVEL
|
|
|
|
#include <zephyr/logging/log.h>
|
|
LOG_MODULE_REGISTER(LOG_MODULE_NAME);
|
|
|
|
#include <stdint.h>
|
|
#include <zephyr/init.h>
|
|
|
|
#include "lwm2m_object.h"
|
|
#include "lwm2m_engine.h"
|
|
#include "lwm2m_resource_ids.h"
|
|
|
|
#define PRESSURE_VERSION_MAJOR 1
|
|
|
|
#if defined(CONFIG_LWM2M_IPSO_PRESSURE_SENSOR_VERSION_1_1)
|
|
#define PRESSURE_VERSION_MINOR 1
|
|
#define NUMBER_OF_OBJ_FIELDS 13
|
|
#else
|
|
#define PRESSURE_VERSION_MINOR 0
|
|
#define NUMBER_OF_OBJ_FIELDS 9
|
|
#endif /* defined(CONFIG_LWM2M_IPSO_PRESSURE_SENSOR_VERSION_1_1) */
|
|
|
|
#define MAX_INSTANCE_COUNT CONFIG_LWM2M_IPSO_PRESSURE_SENSOR_INSTANCE_COUNT
|
|
|
|
#define IPSO_OBJECT_ID IPSO_OBJECT_PRESSURE_ID
|
|
|
|
#define SENSOR_NAME "Pressure"
|
|
|
|
#define UNIT_STR_MAX_SIZE 8
|
|
|
|
/*
|
|
* Calculate resource instances as follows:
|
|
* start with NUMBER_OF_OBJ_FIELDS
|
|
* subtract EXEC resources (1)
|
|
*/
|
|
#define RESOURCE_INSTANCE_COUNT (NUMBER_OF_OBJ_FIELDS - 1)
|
|
|
|
/* resource state variables */
|
|
static double sensor_value[MAX_INSTANCE_COUNT];
|
|
static char units[MAX_INSTANCE_COUNT][UNIT_STR_MAX_SIZE];
|
|
static double min_measured_value[MAX_INSTANCE_COUNT];
|
|
static double max_measured_value[MAX_INSTANCE_COUNT];
|
|
static double min_range_value[MAX_INSTANCE_COUNT];
|
|
static double max_range_value[MAX_INSTANCE_COUNT];
|
|
|
|
static struct lwm2m_engine_obj sensor;
|
|
static struct lwm2m_engine_obj_field fields[] = {
|
|
OBJ_FIELD_DATA(SENSOR_VALUE_RID, R, FLOAT),
|
|
OBJ_FIELD_DATA(SENSOR_UNITS_RID, R_OPT, STRING),
|
|
OBJ_FIELD_DATA(MIN_MEASURED_VALUE_RID, R_OPT, FLOAT),
|
|
OBJ_FIELD_DATA(MAX_MEASURED_VALUE_RID, R_OPT, FLOAT),
|
|
OBJ_FIELD_DATA(MIN_RANGE_VALUE_RID, R_OPT, FLOAT),
|
|
OBJ_FIELD_DATA(MAX_RANGE_VALUE_RID, R_OPT, FLOAT),
|
|
OBJ_FIELD_EXECUTE_OPT(RESET_MIN_MAX_MEASURED_VALUES_RID),
|
|
OBJ_FIELD_DATA(CURRENT_CALIBRATION_RID, R_OPT, FLOAT),
|
|
OBJ_FIELD_DATA(APPLICATION_TYPE_RID, RW_OPT, STRING),
|
|
#if defined(CONFIG_LWM2M_IPSO_PRESSURE_SENSOR_VERSION_1_1)
|
|
OBJ_FIELD_DATA(TIMESTAMP_RID, R_OPT, TIME),
|
|
OBJ_FIELD_DATA(FRACTIONAL_TIMESTAMP_RID, R_OPT, FLOAT),
|
|
OBJ_FIELD_DATA(MEASUREMENT_QUALITY_INDICATOR_RID, R_OPT, U8),
|
|
OBJ_FIELD_DATA(MEASUREMENT_QUALITY_LEVEL_RID, R_OPT, U8),
|
|
#endif
|
|
};
|
|
|
|
static struct lwm2m_engine_obj_inst inst[MAX_INSTANCE_COUNT];
|
|
static struct lwm2m_engine_res res[MAX_INSTANCE_COUNT][NUMBER_OF_OBJ_FIELDS];
|
|
static struct lwm2m_engine_res_inst res_inst[MAX_INSTANCE_COUNT]
|
|
[RESOURCE_INSTANCE_COUNT];
|
|
|
|
static void update_min_measured(uint16_t obj_inst_id, int index)
|
|
{
|
|
min_measured_value[index] = sensor_value[index];
|
|
lwm2m_notify_observer(IPSO_OBJECT_ID, obj_inst_id, MIN_MEASURED_VALUE_RID);
|
|
}
|
|
|
|
static void update_max_measured(uint16_t obj_inst_id, int index)
|
|
{
|
|
max_measured_value[index] = sensor_value[index];
|
|
lwm2m_notify_observer(IPSO_OBJECT_ID, obj_inst_id, MAX_MEASURED_VALUE_RID);
|
|
}
|
|
|
|
static int reset_min_max_measured_values_cb(uint16_t obj_inst_id,
|
|
uint8_t *args, uint16_t args_len)
|
|
{
|
|
int i;
|
|
|
|
LOG_DBG("RESET MIN/MAX %d", obj_inst_id);
|
|
for (i = 0; i < MAX_INSTANCE_COUNT; i++) {
|
|
if (inst[i].obj && inst[i].obj_inst_id == obj_inst_id) {
|
|
update_min_measured(obj_inst_id, i);
|
|
update_max_measured(obj_inst_id, i);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return -ENOENT;
|
|
}
|
|
|
|
static int sensor_value_write_cb(uint16_t obj_inst_id, uint16_t res_id,
|
|
uint16_t res_inst_id, uint8_t *data,
|
|
uint16_t data_len, bool last_block,
|
|
size_t total_size, size_t offset)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < MAX_INSTANCE_COUNT; i++) {
|
|
if (inst[i].obj && inst[i].obj_inst_id == obj_inst_id) {
|
|
/* update min / max */
|
|
if (sensor_value[i] < min_measured_value[i]) {
|
|
update_min_measured(obj_inst_id, i);
|
|
}
|
|
|
|
if (sensor_value[i] > max_measured_value[i]) {
|
|
update_max_measured(obj_inst_id, i);
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct lwm2m_engine_obj_inst *
|
|
pressure_sensor_create(uint16_t obj_inst_id)
|
|
{
|
|
int index, i = 0, j = 0;
|
|
|
|
/* Check that there is no other instance with this ID */
|
|
for (index = 0; index < MAX_INSTANCE_COUNT; index++) {
|
|
if (inst[index].obj && inst[index].obj_inst_id == obj_inst_id) {
|
|
LOG_ERR("Can not create instance - "
|
|
"already existing: %u",
|
|
obj_inst_id);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
for (index = 0; index < MAX_INSTANCE_COUNT; index++) {
|
|
if (!inst[index].obj) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (index >= MAX_INSTANCE_COUNT) {
|
|
LOG_ERR("Can not create instance - no more room: %u",
|
|
obj_inst_id);
|
|
return NULL;
|
|
}
|
|
|
|
/* Set default values */
|
|
sensor_value[index] = 0;
|
|
units[index][0] = '\0';
|
|
min_measured_value[index] = INT32_MAX;
|
|
max_measured_value[index] = -INT32_MAX;
|
|
min_range_value[index] = 0;
|
|
max_range_value[index] = 0;
|
|
|
|
(void)memset(res[index], 0,
|
|
sizeof(res[index][0]) * ARRAY_SIZE(res[index]));
|
|
init_res_instance(res_inst[index], ARRAY_SIZE(res_inst[index]));
|
|
|
|
/* initialize instance resource data */
|
|
INIT_OBJ_RES(SENSOR_VALUE_RID, res[index], i, res_inst[index], j, 1,
|
|
false, true, &sensor_value[index], sizeof(*sensor_value),
|
|
NULL, NULL, NULL, sensor_value_write_cb, NULL);
|
|
INIT_OBJ_RES_DATA_LEN(SENSOR_UNITS_RID, res[index], i, res_inst[index], j,
|
|
units[index], UNIT_STR_MAX_SIZE, 0);
|
|
INIT_OBJ_RES_DATA(MIN_MEASURED_VALUE_RID, res[index], i,
|
|
res_inst[index], j, &min_measured_value[index],
|
|
sizeof(*min_measured_value));
|
|
INIT_OBJ_RES_DATA(MAX_MEASURED_VALUE_RID, res[index], i,
|
|
res_inst[index], j, &max_measured_value[index],
|
|
sizeof(*max_measured_value));
|
|
INIT_OBJ_RES_DATA(MIN_RANGE_VALUE_RID, res[index], i, res_inst[index],
|
|
j, &min_range_value[index], sizeof(*min_range_value));
|
|
INIT_OBJ_RES_DATA(MAX_RANGE_VALUE_RID, res[index], i, res_inst[index],
|
|
j, &max_range_value[index], sizeof(*max_range_value));
|
|
INIT_OBJ_RES_EXECUTE(RESET_MIN_MAX_MEASURED_VALUES_RID, res[index], i,
|
|
reset_min_max_measured_values_cb);
|
|
INIT_OBJ_RES_OPTDATA(CURRENT_CALIBRATION_RID, res[index], i,
|
|
res_inst[index], j);
|
|
INIT_OBJ_RES_OPTDATA(APPLICATION_TYPE_RID, res[index], i,
|
|
res_inst[index], j);
|
|
#if defined(CONFIG_LWM2M_IPSO_PRESSURE_SENSOR_VERSION_1_1)
|
|
INIT_OBJ_RES_OPTDATA(TIMESTAMP_RID, res[index], i, res_inst[index], j);
|
|
INIT_OBJ_RES_OPTDATA(FRACTIONAL_TIMESTAMP_RID, res[index], i,
|
|
res_inst[index], j);
|
|
INIT_OBJ_RES_OPTDATA(MEASUREMENT_QUALITY_INDICATOR_RID, res[index],
|
|
i, res_inst[index], j);
|
|
INIT_OBJ_RES_OPTDATA(MEASUREMENT_QUALITY_LEVEL_RID, res[index], i,
|
|
res_inst[index], j);
|
|
#endif
|
|
|
|
inst[index].resources = res[index];
|
|
inst[index].resource_count = i;
|
|
LOG_DBG("Created IPSO %s Sensor instance: %d", SENSOR_NAME,
|
|
obj_inst_id);
|
|
return &inst[index];
|
|
}
|
|
|
|
static int ipso_pressure_sensor_init(void)
|
|
{
|
|
sensor.obj_id = IPSO_OBJECT_ID;
|
|
sensor.version_major = PRESSURE_VERSION_MAJOR;
|
|
sensor.version_minor = PRESSURE_VERSION_MINOR;
|
|
sensor.is_core = false;
|
|
sensor.fields = fields;
|
|
sensor.field_count = ARRAY_SIZE(fields);
|
|
sensor.max_instance_count = MAX_INSTANCE_COUNT;
|
|
sensor.create_cb = pressure_sensor_create;
|
|
lwm2m_register_obj(&sensor);
|
|
|
|
return 0;
|
|
}
|
|
|
|
LWM2M_OBJ_INIT(ipso_pressure_sensor_init);
|