62 lines
2.5 KiB
C
62 lines
2.5 KiB
C
/**
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* @file nvs_config.h
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* @brief Runtime configuration via NVS (Non-Volatile Storage).
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*
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* Reads WiFi credentials and aggregator target from NVS.
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* Falls back to compile-time Kconfig defaults if NVS keys are absent.
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* This allows a single firmware binary to be shipped and configured
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* per-device using the provisioning script.
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*/
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#ifndef NVS_CONFIG_H
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#define NVS_CONFIG_H
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#include <stdint.h>
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/** Maximum lengths for NVS string fields. */
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#define NVS_CFG_SSID_MAX 33
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#define NVS_CFG_PASS_MAX 65
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#define NVS_CFG_IP_MAX 16
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/** Maximum channels in the hop list (must match CSI_HOP_CHANNELS_MAX). */
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#define NVS_CFG_HOP_MAX 6
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/** Runtime configuration loaded from NVS or Kconfig defaults. */
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typedef struct {
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char wifi_ssid[NVS_CFG_SSID_MAX];
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char wifi_password[NVS_CFG_PASS_MAX];
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char target_ip[NVS_CFG_IP_MAX];
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uint16_t target_port;
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uint8_t node_id;
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/* ADR-029: Channel hopping and TDM configuration */
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uint8_t channel_hop_count; /**< Number of channels to hop (1 = no hop). */
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uint8_t channel_list[NVS_CFG_HOP_MAX]; /**< Channel numbers for hopping. */
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uint32_t dwell_ms; /**< Dwell time per channel in ms. */
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uint8_t tdm_slot_index; /**< This node's TDM slot index (0-based). */
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uint8_t tdm_node_count; /**< Total nodes in the TDM schedule. */
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/* MAC address filter for CSI source selection (Issue #98) */
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uint8_t filter_mac[6]; /**< Transmitter MAC to accept (all zeros = no filter). */
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uint8_t filter_mac_enabled; /**< 1 = filter active, 0 = accept all. */
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/* ADR-039: Edge intelligence configuration */
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uint8_t edge_tier; /**< 0=disabled, 1=phase/stats, 2=vitals, 3=reserved. */
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uint16_t presence_thresh; /**< Presence detection threshold (default 50). */
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uint16_t fall_thresh; /**< Fall detection threshold (default 500). */
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uint16_t vital_window; /**< Vital signs window in frames (default 300). */
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uint16_t vital_interval_ms; /**< Vitals packet send interval in ms (default 1000). */
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uint8_t subk_count; /**< Top-K subcarrier count (default 32). */
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} nvs_config_t;
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/**
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* Load configuration from NVS, falling back to Kconfig defaults.
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*
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* Must be called after nvs_flash_init().
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*
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* @param cfg Output configuration struct.
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*/
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void nvs_config_load(nvs_config_t *cfg);
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#endif /* NVS_CONFIG_H */
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