Peter Woolery
d5afd0bd87
Add config.h/config.cpp for DeviceConfig NVS persistence using Arduino Preferences library. Add minimal main.cpp stub. Fix partition table overlap (nvs 0x6000→0x5000, otadata 0xf000→0xe000) so firmware builds. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
25 lines
793 B
C
25 lines
793 B
C
// firmware/src/config.h
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#pragma once
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#include <Arduino.h>
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struct DeviceConfig {
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String device_id; // e.g. "dc-0042"
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String location_id; // e.g. "retailer-123"
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String hmac_secret; // 32-byte hex string
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String wifi_ssid;
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String wifi_pass;
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uint8_t line_offset; // 0-100, percent of frame height for virtual line
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};
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// Load all config from NVS. Returns false if device_id/location_id/hmac_secret missing.
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bool config_load(DeviceConfig& cfg);
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// Save WiFi credentials to NVS (called by provisioning after captive portal).
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bool config_save_wifi(const String& ssid, const String& pass);
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// Returns true if wifi_ssid is set in NVS.
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bool config_has_wifi();
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// Erase WiFi credentials only (factory reset — preserves device_id etc).
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void config_clear_wifi();
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