Timer triggers lighness setup server set_cb and set value to 6%

Question

I have an issue with the Lightness setup server set cb being triggered without a connected device and is not internally called in my code. Yet for some reason the set cb is triggered every time my timer and the value is set to 6%.
The idee behind the timer is to set the lightness to 100% and repeat this every 500ms for 10s.
The value is reset to the 6% every time. Could someone explain why? Here is the code:
The defines for the timer ``` /*The interval for the timer instance. */ #define INTERVAL_MS 500 /* The total duration of the timer instance. */ #define TOTAL_DURATION_MS 10000 /* The amount the timer will be reset. */ #define CALL_COUNT (TOTAL_DURATION_MS / INTERVAL_MS) ``` The timer instance ``` /** * @brief The timer used at the start to set the dali to 254 and send the signal. */ APP_TIMER_DEF(m_start_timer); ``` The forward declaration of the functions ``` /***************************************************************************** * Forward declaration of static functions *****************************************************************************/ static void mesh_events_handle(const nrf_mesh_evt_t * p_evt); static void light_ctl_set_cb(const app_light_ctl_setup_server_t * p_app, app_light_ctl_temperature_duv_hw_state_t * present_ctl_state); static void light_ctl_get_cb(const app_light_ctl_setup_server_t * p_app, app_light_ctl_temperature_duv_hw_state_t * present_ctl_state); static void ligth_ctl_transition_cb(const app_light_ctl_setup_server_t * p_server, uint32_t transition_time_ms, app_light_ctl_temperature_duv_hw_state_t target_ctl_state); static void light_ctl_lightness_set_cb(const app_light_lightness_setup_server_t * p_app, uint16_t lightness); static void light_ctl_lightness_get_cb(const app_light_lightness_setup_server_t * p_app, uint16_t * p_lightness); static void temperature32_range_listener_cb(mesh_config_change_reason_t reason, mesh_config_entry_id_t id, const void * p_entry); static void light_ctl_lightness_transition_cb(const app_light_lightness_setup_server_t * p_server, uint32_t transition_time_ms, uint16_t target_lightness); ``` The setup: ``` /* CTL Setup Server and associated model structures' definition and initialization */ APP_LIGHT_CTL_SETUP_SERVER_DEF(m_light_ctl_server_0, APP_FORCE_SEGMENTATION, APP_MIC_SIZE, light_ctl_set_cb, light_ctl_get_cb, ligth_ctl_transition_cb) APP_LIGHT_LIGHTNESS_SETUP_SERVER_DEF(m_light_ctl_server_0_ll, APP_FORCE_SEGMENTATION, APP_MIC_SIZE, light_ctl_lightness_set_cb, light_ctl_lightness_get_cb, light_ctl_lightness_transition_cb) APP_LIGHT_LC_SETUP_SERVER_DEF(m_light_ctl_server_0_lc, APP_FORCE_SEGMENTATION, APP_MIC_SIZE) /* Application variables for holding instantaneous CTL state values */ static app_light_ctl_temperature_duv_hw_state_t m_pwm0_present_ctl_value; static uint16_t m_pwm0_present_actual_lightness; ``` The timer functions: ``` // App logic function (for timer, etc.) static void set_actual_lightness_internal(uint16_t lightness) { // Modify ONLY the app-side variable and hardware m_pwm0_present_actual_lightness = lightness; } void start_timer_timeout_handler(void * p_context) { uint16_t internal_brightness = 0xFFFF; set_actual_lightness_internal(internal_brightness); __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "The timer current lightness = %d ", m_pwm0_present_actual_lightness); uint8_t requested_dali = m_pwm0_present_actual_lightness / 257; dali_broadcast_level(requested_dali); start_timer_calls++; if (start_timer_calls >= CALL_COUNT) { app_timer_stop(m_start_timer); } } void start_timer_init(void) { ret_code_t err_code; APP_ERROR_CHECK(err_code); // Create timer (repeated mode) err_code = app_timer_create(&m_start_timer, APP_TIMER_MODE_REPEATED, start_timer_timeout_handler); APP_ERROR_CHECK(err_code); // Start timer err_code = app_timer_start(m_start_timer, APP_TIMER_TICKS(INTERVAL_MS), NULL); APP_ERROR_CHECK(err_code); __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "Start timer started "); } ``` The mesh functions: ``` static void pwm_lightness_ctemp_duv_set(uint16_t lightness, uint16_t temperature, int16_t delta_uv) { /* Tunable white light demonstration is shown using two LEDs on the DK board. Assume that the * LED1 represents a warm white light element, and the LED2 represents a cool white light * element. These two LEDs are turned on with different PWM duty cycles corresponding to the * given color temperature. Also, the overall light output is scaled by the given lightness * level to achieve dimming. * * The photometrically accurate implementation of the tunable white light is out of scope of * this example. */ uint32_t warm_factor; uint16_t warm_level; uint16_t cool_level; if (m_range_max >= m_range_min && m_range_max >= temperature) { warm_factor = (m_range_max - temperature) * SCALE_FACTOR / (APP_TEMPERATURE_MAX - APP_TEMPERATURE_MIN); warm_level = (uint16_t)((uint32_t)lightness * warm_factor / SCALE_FACTOR); cool_level = (uint16_t)((uint32_t)lightness * (SCALE_FACTOR - warm_factor) / SCALE_FACTOR); __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "warm: %05d cool: %05d duv: %05d (unused) ", warm_level, cool_level, delta_uv); m_pwm.channel = 0; (void)pwm_utils_level_set_unsigned(&m_pwm, warm_level); m_pwm.channel = 1; (void)pwm_utils_level_set_unsigned(&m_pwm, cool_level); } else { __LOG(LOG_SRC_APP, LOG_LEVEL_ERROR, "Invalid inputs: range_max: %d range_min: %d temperature: %d ", m_range_max, m_range_min, temperature); } } /* Callback for updating the hardware state */ static void light_ctl_set_cb(const app_light_ctl_setup_server_t * p_app, app_light_ctl_temperature_duv_hw_state_t * p_present_ctl_state) { m_pwm0_present_ctl_value = *p_present_ctl_state; pwm_lightness_ctemp_duv_set(m_pwm0_present_actual_lightness, light_ctl_utils_temperature32_to_temperature(m_pwm0_present_ctl_value.temperature32), m_pwm0_present_ctl_value.delta_uv); } /* Callback for reading the hardware state */ static void light_ctl_get_cb(const app_light_ctl_setup_server_t * p_app, app_light_ctl_temperature_duv_hw_state_t * p_present_ctl_state) { p_present_ctl_state->temperature32 = m_pwm0_present_ctl_value.temperature32; p_present_ctl_state->delta_uv = m_pwm0_present_ctl_value.delta_uv; } /* Callback for receiving transition time. */ static void ligth_ctl_transition_cb(const app_light_ctl_setup_server_t * p_server, uint32_t transition_time_ms, app_light_ctl_temperature_duv_hw_state_t target_ctl_state) { __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "Transition time: %d, Target temperature: %d, Target delta_uv: %d ", transition_time_ms, light_ctl_utils_temperature32_to_temperature(target_ctl_state.temperature32), target_ctl_state.delta_uv); } /* Callback for updating the hardware state for lightness */ static void light_ctl_lightness_set_cb(const app_light_lightness_setup_server_t * p_app, uint16_t lightness) { __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "light_ctl_lightness_set_cb called with lightness: %d ", lightness); m_pwm0_present_actual_lightness = lightness; uint8_t requested_dali = m_pwm0_present_actual_lightness / 257; __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "cb actual lightness = %d , dali = %d ",m_pwm0_present_actual_lightness, requested_dali); pwm_lightness_ctemp_duv_set(m_pwm0_present_actual_lightness, light_ctl_utils_temperature32_to_temperature(m_pwm0_present_ctl_value.temperature32), m_pwm0_present_ctl_value.delta_uv); dali_broadcast_level(requested_dali); } /* Callback for reading the hardware state */ static void light_ctl_lightness_get_cb(const app_light_lightness_setup_server_t * p_app, uint16_t * p_lightness) { __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "The current lightness = %d ", m_pwm0_present_actual_lightness); *p_lightness = m_pwm0_present_actual_lightness; } /* Callback for receiveing transition time. */ static void light_ctl_lightness_transition_cb(const app_light_lightness_setup_server_t * p_server, uint32_t transition_time_ms, uint16_t target_lightness) { __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "Transition time: %d, Target lightness: %d ", transition_time_ms, target_lightness); } static void models_init_cb(void) { /* Initialize the CTL Setup Server and associated models */ /* Initialize the Light Lightness Setup Server - the CTL main element is shared with light lightness */ APP_ERROR_CHECK(app_light_lightness_model_init(&m_light_ctl_server_0_ll, APP_CTL_ELEMENT_INDEX)); __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "App Light Lightness Model handle: %d, Element index: %d ", m_light_ctl_server_0_ll.light_lightness_setup_server.model_handle, m_light_ctl_server_0_ll.light_lightness_setup_server.settings.element_index); /* Initialize the CTL Setup Server */ APP_ERROR_CHECK(app_light_ctl_model_init(&m_light_ctl_server_0, APP_CTL_ELEMENT_INDEX, &m_light_ctl_server_0_ll)); __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "App CTL Model Handle: %d, Element index: %d ", m_light_ctl_server_0.light_ctl_setup_srv.model_handle, m_light_ctl_server_0.light_ctl_setup_srv.settings.element_index); /* Initialize the LC server */ APP_ERROR_CHECK(app_light_lc_model_init(&m_light_ctl_server_0_lc, APP_LC_ELEMENT_INDEX, &m_light_ctl_server_0_ll)); __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "App LC (%d, %d) = (Model Handle, element index) ", m_light_ctl_server_0_lc.light_lc_setup_srv.model_handle, m_light_ctl_server_0_lc.light_lc_setup_srv.settings.element_index); } static void mesh_init(void) { /* Initialize the application storage for models */ model_config_file_init(); mesh_stack_init_params_t init_params = { .core.irq_priority = NRF_MESH_IRQ_PRIORITY_LOWEST, .core.lfclksrc = DEV_BOARD_LF_CLK_CFG, .core.p_uuid = NULL, .models.models_init_cb = models_init_cb, .models.config_server_cb = config_server_evt_cb }; uint32_t status = mesh_stack_init(&init_params, &m_device_provisioned); if (status == NRF_SUCCESS) { /* Check if application stored data is valid, if not clear all data and use default values. */ status = model_config_file_config_apply(); } switch (status) { case NRF_ERROR_INVALID_DATA: /* Clear model config file as loading failed */ model_config_file_clear(); __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "Data in the persistent memory was corrupted. Device starts as unprovisioned. "); __LOG(LOG_SRC_APP, LOG_LEVEL_INFO, "Reboot device before starting of the provisioning process. "); break; case NRF_SUCCESS: break; default: APP_ERROR_CHECK(status); } } ``` ``` static void initialize(void) { __LOG_INIT(LOG_SRC_APP | LOG_SRC_ACCESS, LOG_LEVEL_INFO, LOG_CALLBACK_DEFAULT); clear_persistent_storage(); pwm_utils_enable(&m_pwm); APP_ERROR_CHECK(app_timer_init()); reset_input_init(); led_output_init(); ble_stack_init(); #if MESH_FEATURE_GATT_ENABLED gap_params_init(); conn_params_init(); #endif mesh_init(); dali_init(ELLAGE_H4T_DALI_RX, ELLAGE_H4T_DALI_TX); __enable_irq(); start_timer_init(); APP_ERROR_CHECK(app_timer_create(&m_identify_timer, APP_TIMER_MODE_SINGLE_SHOT, identify_timeout_handler)); } ``` The log: ``` , pwm_utils.c, 88, PWM max ticks: 1600 , main.c, 341, App Light Lightness Model handle: 8, Element index: 0 , main.c, 346, App CTL Model Handle: 12, Element index: 0 , main.c, 351, App LC (15, 0) = (Model Handle, element index) , main.c, 237, Start timer started , mesh_app_utils.c, 66, Device UUID (raw): 294F2C39CE374D99B9C620D42C1E0B36 , mesh_app_utils.c, 67, Device UUID : 294F2C39-CE37-4D99-B9C6-20D42C1E0B36 , main.c, 312, actual lightness = 0, dali = 0 , main.c, 263, warm: 00000 cool: 00000 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 0 , light_lc_setup_server.c, 822, LC FSM ON , light_lc_fsm.c, 995, mode status publish failed 7 , app_light_ctl.c, 384, Temp SET: target temperature: 20000 duv: 0, delay: 0 tt: 0 req-delta: 20000 , app_light_ctl.c, 976, Element 0: transition completed , main.c, 263, warm: 00000 cool: 00000 duv: 00000 (unused) , main.c, 302, Transition time: 0, Target temperature: 20000, Target delta_uv: 0 , main.c, 324, The current lightness = 0 , main.c, 324, The current lightness = 0 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 324, The current lightness = 4103 , main.c, 214, The timer current lightness = 65535 , main.c, 324, The current lightness = 65535 , main.c, 312, actual lightness = 4103, dali = 15 , main.c, 263, warm: 00000 cool: 04103 duv: 00000 (unused) , main.c, 332, Transition time: 0, Target lightness: 4103 ```