1 /*
2 * Copyright (c) 2019 Foundries.io
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 /*
8 * Source material for IPSO Accelerometer object (3313):
9 * http://www.openmobilealliance.org/tech/profiles/lwm2m/3313.xml
10 */
11
12 #define LOG_MODULE_NAME net_ipso_accel
13 #define LOG_LEVEL CONFIG_LWM2M_LOG_LEVEL
14
15 #include <zephyr/logging/log.h>
16 LOG_MODULE_REGISTER(LOG_MODULE_NAME);
17
18 #include <stdint.h>
19 #include <zephyr/init.h>
20
21 #include "lwm2m_object.h"
22 #include "lwm2m_engine.h"
23 #include "lwm2m_resource_ids.h"
24
25 #define ACCEL_VERSION_MAJOR 1
26
27 #if defined(CONFIG_LWM2M_IPSO_ACCELEROMETER_VERSION_1_1)
28 #define ACCEL_VERSION_MINOR 1
29 #define ACCEL_MAX_ID 11
30 #else
31 #define ACCEL_VERSION_MINOR 0
32 #define ACCEL_MAX_ID 6
33 #endif /* defined(CONFIG_LWM2M_IPSO_ACCELEROMETER_VERSION_1_1) */
34
35 #define MAX_INSTANCE_COUNT CONFIG_LWM2M_IPSO_ACCELEROMETER_INSTANCE_COUNT
36
37 /*
38 * Calculate resource instances as follows:
39 * start with ACCEL_MAX_ID
40 */
41 #define RESOURCE_INSTANCE_COUNT (ACCEL_MAX_ID)
42
43 /* resource state */
44 struct ipso_accel_data {
45 double x_value;
46 double y_value;
47 double z_value;
48 double min_range;
49 double max_range;
50 };
51
52 static struct ipso_accel_data accel_data[MAX_INSTANCE_COUNT];
53
54 static struct lwm2m_engine_obj accel;
55 static struct lwm2m_engine_obj_field fields[] = {
56 OBJ_FIELD_DATA(X_VALUE_RID, R, FLOAT),
57 OBJ_FIELD_DATA(Y_VALUE_RID, R_OPT, FLOAT),
58 OBJ_FIELD_DATA(Z_VALUE_RID, R_OPT, FLOAT),
59 OBJ_FIELD_DATA(SENSOR_UNITS_RID, R_OPT, STRING),
60 OBJ_FIELD_DATA(MIN_RANGE_VALUE_RID, R_OPT, FLOAT),
61 OBJ_FIELD_DATA(MAX_RANGE_VALUE_RID, R_OPT, FLOAT),
62 #if defined(CONFIG_LWM2M_IPSO_ACCELEROMETER_VERSION_1_1)
63 OBJ_FIELD_DATA(APPLICATION_TYPE_RID, RW_OPT, STRING),
64 OBJ_FIELD_DATA(TIMESTAMP_RID, R_OPT, TIME),
65 OBJ_FIELD_DATA(FRACTIONAL_TIMESTAMP_RID, R_OPT, FLOAT),
66 OBJ_FIELD_DATA(MEASUREMENT_QUALITY_INDICATOR_RID, R_OPT, U8),
67 OBJ_FIELD_DATA(MEASUREMENT_QUALITY_LEVEL_RID, R_OPT, U8),
68 #endif
69 };
70
71 static struct lwm2m_engine_obj_inst inst[MAX_INSTANCE_COUNT];
72 static struct lwm2m_engine_res res[MAX_INSTANCE_COUNT][ACCEL_MAX_ID];
73 static struct lwm2m_engine_res_inst
74 res_inst[MAX_INSTANCE_COUNT][RESOURCE_INSTANCE_COUNT];
75
accel_create(uint16_t obj_inst_id)76 static struct lwm2m_engine_obj_inst *accel_create(uint16_t obj_inst_id)
77 {
78 int index, avail = -1, i = 0, j = 0;
79
80 /* Check that there is no other instance with this ID */
81 for (index = 0; index < ARRAY_SIZE(inst); index++) {
82 if (inst[index].obj && inst[index].obj_inst_id == obj_inst_id) {
83 LOG_ERR("Can not create instance - "
84 "already existing: %u", obj_inst_id);
85 return NULL;
86 }
87
88 /* Save first available slot index */
89 if (avail < 0 && !inst[index].obj) {
90 avail = index;
91 }
92 }
93
94 if (avail < 0) {
95 LOG_ERR("Can not create instance - no more room: %u",
96 obj_inst_id);
97 return NULL;
98 }
99
100 /* Set default values */
101 (void)memset(&accel_data[avail], 0, sizeof(accel_data[avail]));
102
103 (void)memset(res[avail], 0,
104 sizeof(res[avail][0]) * ARRAY_SIZE(res[avail]));
105 init_res_instance(res_inst[avail], ARRAY_SIZE(res_inst[avail]));
106
107 /* initialize instance resource data */
108 INIT_OBJ_RES_DATA(X_VALUE_RID, res[avail], i, res_inst[avail], j,
109 &accel_data[avail].x_value,
110 sizeof(accel_data[avail].x_value));
111 INIT_OBJ_RES_DATA(Y_VALUE_RID, res[avail], i, res_inst[avail], j,
112 &accel_data[avail].y_value,
113 sizeof(accel_data[avail].y_value));
114 INIT_OBJ_RES_DATA(Z_VALUE_RID, res[avail], i, res_inst[avail], j,
115 &accel_data[avail].z_value,
116 sizeof(accel_data[avail].z_value));
117 INIT_OBJ_RES_OPTDATA(SENSOR_UNITS_RID, res[avail], i,
118 res_inst[avail], j);
119 INIT_OBJ_RES_DATA(MIN_RANGE_VALUE_RID, res[avail], i, res_inst[avail],
120 j, &accel_data[avail].min_range,
121 sizeof(accel_data[avail].min_range));
122 INIT_OBJ_RES_DATA(MAX_RANGE_VALUE_RID, res[avail], i, res_inst[avail],
123 j, &accel_data[avail].max_range,
124 sizeof(accel_data[avail].max_range));
125 #if defined(CONFIG_LWM2M_IPSO_ACCELEROMETER_VERSION_1_1)
126 INIT_OBJ_RES_OPTDATA(APPLICATION_TYPE_RID, res[avail], i,
127 res_inst[avail], j);
128 INIT_OBJ_RES_OPTDATA(TIMESTAMP_RID, res[avail], i, res_inst[avail], j);
129 INIT_OBJ_RES_OPTDATA(FRACTIONAL_TIMESTAMP_RID, res[avail], i,
130 res_inst[avail], j);
131 INIT_OBJ_RES_OPTDATA(MEASUREMENT_QUALITY_INDICATOR_RID, res[avail],
132 i, res_inst[avail], j);
133 INIT_OBJ_RES_OPTDATA(MEASUREMENT_QUALITY_LEVEL_RID, res[avail], i,
134 res_inst[avail], j);
135 #endif
136
137 inst[avail].resources = res[avail];
138 inst[avail].resource_count = i;
139
140 LOG_DBG("Create IPSO Accelerometer instance: %d", obj_inst_id);
141
142 return &inst[avail];
143 }
144
ipso_accel_init(void)145 static int ipso_accel_init(void)
146 {
147 accel.obj_id = IPSO_OBJECT_ACCELEROMETER_ID;
148 accel.version_major = ACCEL_VERSION_MAJOR;
149 accel.version_minor = ACCEL_VERSION_MINOR;
150 accel.is_core = false;
151 accel.fields = fields;
152 accel.field_count = ARRAY_SIZE(fields);
153 accel.max_instance_count = ARRAY_SIZE(inst);
154 accel.create_cb = accel_create;
155 lwm2m_register_obj(&accel);
156
157 return 0;
158 }
159
160 LWM2M_OBJ_INIT(ipso_accel_init);
161
