| /* |
| * Copyright (c) 2019 Foundries.io |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /* |
| * Source material for IPSO Accelerometer object (3313): |
| * http://www.openmobilealliance.org/tech/profiles/lwm2m/3313.xml |
| */ |
| |
| #define LOG_MODULE_NAME net_ipso_accel |
| #define LOG_LEVEL CONFIG_LWM2M_LOG_LEVEL |
| |
| #include <logging/log.h> |
| LOG_MODULE_REGISTER(LOG_MODULE_NAME); |
| |
| #include <stdint.h> |
| #include <init.h> |
| |
| #include "lwm2m_object.h" |
| #include "lwm2m_engine.h" |
| |
| #ifdef CONFIG_LWM2M_IPSO_ACCELEROMETER_TIMESTAMP |
| #define ADD_TIMESTAMPS 1 |
| #else |
| #define ADD_TIMESTAMPS 0 |
| #endif |
| /* Server resource IDs */ |
| #define ACCEL_X_VALUE_ID 5702 |
| #define ACCEL_Y_VALUE_ID 5703 |
| #define ACCEL_Z_VALUE_ID 5704 |
| #define ACCEL_SENSOR_UNITS_ID 5701 |
| #define ACCEL_MIN_RANGE_VALUE_ID 5603 |
| #define ACCEL_MAX_RANGE_VALUE_ID 5604 |
| #if ADD_TIMESTAMPS |
| #define ACCEL_TIMESTAMP_ID 5518 |
| |
| #define ACCEL_MAX_ID 7 |
| #else |
| #define ACCEL_MAX_ID 6 |
| #endif |
| |
| #define MAX_INSTANCE_COUNT CONFIG_LWM2M_IPSO_ACCELEROMETER_INSTANCE_COUNT |
| |
| /* |
| * Calculate resource instances as follows: |
| * start with ACCEL_MAX_ID |
| */ |
| #define RESOURCE_INSTANCE_COUNT (ACCEL_MAX_ID) |
| |
| /* resource state */ |
| struct ipso_accel_data { |
| float32_value_t x_value; |
| float32_value_t y_value; |
| float32_value_t z_value; |
| float32_value_t min_range; |
| float32_value_t max_range; |
| }; |
| |
| static struct ipso_accel_data accel_data[MAX_INSTANCE_COUNT]; |
| |
| static struct lwm2m_engine_obj accel; |
| static struct lwm2m_engine_obj_field fields[] = { |
| OBJ_FIELD_DATA(ACCEL_X_VALUE_ID, R, FLOAT32), |
| OBJ_FIELD_DATA(ACCEL_Y_VALUE_ID, R_OPT, FLOAT32), |
| OBJ_FIELD_DATA(ACCEL_Z_VALUE_ID, R_OPT, FLOAT32), |
| OBJ_FIELD_DATA(ACCEL_SENSOR_UNITS_ID, R_OPT, STRING), |
| OBJ_FIELD_DATA(ACCEL_MIN_RANGE_VALUE_ID, R_OPT, FLOAT32), |
| OBJ_FIELD_DATA(ACCEL_MAX_RANGE_VALUE_ID, R_OPT, FLOAT32), |
| #if ADD_TIMESTAMPS |
| OBJ_FIELD_DATA(ACCEL_TIMESTAMP_ID, RW_OPT, TIME), |
| #endif |
| }; |
| |
| static struct lwm2m_engine_obj_inst inst[MAX_INSTANCE_COUNT]; |
| static struct lwm2m_engine_res res[MAX_INSTANCE_COUNT][ACCEL_MAX_ID]; |
| static struct lwm2m_engine_res_inst |
| res_inst[MAX_INSTANCE_COUNT][RESOURCE_INSTANCE_COUNT]; |
| |
| static struct lwm2m_engine_obj_inst *accel_create(uint16_t obj_inst_id) |
| { |
| int index, avail = -1, i = 0, j = 0; |
| |
| /* Check that there is no other instance with this ID */ |
| for (index = 0; index < ARRAY_SIZE(inst); 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; |
| } |
| |
| /* Save first available slot index */ |
| if (avail < 0 && !inst[index].obj) { |
| avail = index; |
| } |
| } |
| |
| if (avail < 0) { |
| LOG_ERR("Can not create instance - no more room: %u", |
| obj_inst_id); |
| return NULL; |
| } |
| |
| /* Set default values */ |
| (void)memset(&accel_data[avail], 0, sizeof(accel_data[avail])); |
| |
| (void)memset(res[avail], 0, |
| sizeof(res[avail][0]) * ARRAY_SIZE(res[avail])); |
| init_res_instance(res_inst[avail], ARRAY_SIZE(res_inst[avail])); |
| |
| /* initialize instance resource data */ |
| INIT_OBJ_RES_DATA(ACCEL_X_VALUE_ID, res[avail], i, res_inst[avail], j, |
| &accel_data[avail].x_value, |
| sizeof(accel_data[avail].x_value)); |
| INIT_OBJ_RES_DATA(ACCEL_Y_VALUE_ID, res[avail], i, res_inst[avail], j, |
| &accel_data[avail].y_value, |
| sizeof(accel_data[avail].y_value)); |
| INIT_OBJ_RES_DATA(ACCEL_Z_VALUE_ID, res[avail], i, res_inst[avail], j, |
| &accel_data[avail].z_value, |
| sizeof(accel_data[avail].z_value)); |
| INIT_OBJ_RES_OPTDATA(ACCEL_SENSOR_UNITS_ID, res[avail], i, |
| res_inst[avail], j); |
| INIT_OBJ_RES_DATA(ACCEL_MIN_RANGE_VALUE_ID, res[avail], i, |
| res_inst[avail], j, |
| &accel_data[avail].min_range, |
| sizeof(accel_data[avail].min_range)); |
| INIT_OBJ_RES_DATA(ACCEL_MAX_RANGE_VALUE_ID, res[avail], i, |
| res_inst[avail], j, |
| &accel_data[avail].max_range, |
| sizeof(accel_data[avail].max_range)); |
| #if ADD_TIMESTAMPS |
| INIT_OBJ_RES_OPTDATA(ACCEL_TIMESTAMP_ID, res[avail], i, |
| res_inst[avail], j); |
| #endif |
| |
| inst[avail].resources = res[avail]; |
| inst[avail].resource_count = i; |
| |
| LOG_DBG("Create IPSO Accelerometer instance: %d", obj_inst_id); |
| |
| return &inst[avail]; |
| } |
| |
| static int ipso_accel_init(const struct device *dev) |
| { |
| accel.obj_id = IPSO_OBJECT_ACCELEROMETER_ID; |
| accel.fields = fields; |
| accel.field_count = ARRAY_SIZE(fields); |
| accel.max_instance_count = ARRAY_SIZE(inst); |
| accel.create_cb = accel_create; |
| lwm2m_register_obj(&accel); |
| |
| return 0; |
| } |
| |
| SYS_INIT(ipso_accel_init, APPLICATION, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT); |