leehughesandClaude Opus 4.5
5554341b49
- Design LoRa packet protocol with CRC16 validation - Add protocol header files (lora_protocol.h, lora_packet.h) - Create battery-powered remote node firmware template - Support for DHT22, BME680, DS18B20 sensors - Deep sleep for battery conservation - Automatic gateway registration - Add LoRa receive to gateway firmware - RadioLib SX1262 integration - Node registry for tracking up to 16 nodes - HTTP forwarding of received readings - ACK responses to remote nodes - Create comprehensive setup guide with wiring diagrams Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
155 lines
4.6 KiB
C
155 lines
4.6 KiB
C
/**
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* ZNET LoRa Remote Sensor Node Configuration
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*
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* Edit these values for your specific node deployment.
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*/
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#ifndef CONFIG_H
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#define CONFIG_H
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// ============================================================================
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// NODE IDENTIFICATION
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// ============================================================================
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// Unique node ID (see docs/LORA_PROTOCOL.md for ID ranges)
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// - 0x0100-0x01FF: Ambient sensors (DHT22)
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// - 0x0200-0x02FF: Environmental (BME680)
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// - 0xFFFF: Request auto-assignment from gateway
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#ifndef NODE_ID
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#define NODE_ID 0xFFFF // Auto-assign
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#endif
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// Human-readable node name (max 8 chars)
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#ifndef NODE_NAME
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#define NODE_NAME "Remote1"
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#endif
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// Firmware version
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#define FW_VERSION_MAJOR 1
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#define FW_VERSION_MINOR 0
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// ============================================================================
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// SENSOR CONFIGURATION
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// ============================================================================
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// Sensor type is set by platformio.ini build flags:
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// -DSENSOR_TYPE_DHT22 or -DSENSOR_TYPE_BME680
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// DHT22 data pin (if not set by build flags)
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#ifndef DHT_PIN
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#define DHT_PIN 7
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#endif
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// BME680 I2C address (0x76 or 0x77)
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#ifndef BME680_I2C_ADDR
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#define BME680_I2C_ADDR 0x76
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#endif
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// DS18B20 1-Wire pin (if using DS18B20 variant)
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#ifndef ONEWIRE_PIN
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#define ONEWIRE_PIN 7
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#endif
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// ============================================================================
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// TIMING CONFIGURATION
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// ============================================================================
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// Report interval in seconds (default: 60 sec)
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// Can be overridden by gateway via CONFIG_RESP packet
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#ifndef REPORT_INTERVAL_SEC
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#define REPORT_INTERVAL_SEC 60
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#endif
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// How long to wait for ACK (milliseconds)
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#define ACK_TIMEOUT_MS 3000
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// Maximum retries if no ACK received
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#define MAX_RETRIES 3
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// How long to listen for incoming packets after TX (milliseconds)
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#define RX_WINDOW_MS 500
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// ============================================================================
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// LORA CONFIGURATION
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// ============================================================================
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// Frequency (US: 915 MHz, EU: 868 MHz, AS: 923 MHz)
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#ifndef LORA_FREQUENCY
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#define LORA_FREQUENCY 915.0
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#endif
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// Spreading factor (7-12, higher = longer range, slower)
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#define LORA_SPREADING_FACTOR 9
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// Bandwidth (kHz)
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#define LORA_BANDWIDTH 125E3
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// Coding rate (5-8)
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#define LORA_CODING_RATE 7
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// Sync word (must match gateway: 0x12)
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#define LORA_SYNC_WORD 0x12
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// TX power (dBm, max 20 for US)
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#define LORA_TX_POWER 14
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// ============================================================================
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// BATTERY MONITORING
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// ============================================================================
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// Battery voltage thresholds (millivolts)
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#define BATTERY_FULL_MV 4200 // Fully charged LiPo
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#define BATTERY_NOMINAL_MV 3700 // Nominal LiPo
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#define BATTERY_LOW_MV 3400 // Low battery warning threshold
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#define BATTERY_CRITICAL_MV 3200 // Critical - send alert
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// ADC calibration
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// Voltage divider ratio (if using voltage divider for ADC)
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// Set to 1.0 if reading directly (not recommended for LiPo)
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#define BATTERY_DIVIDER_RATIO 2.0
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// ============================================================================
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// ALERT THRESHOLDS (can be overridden by gateway)
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// ============================================================================
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// Temperature thresholds (Celsius)
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#define ALERT_TEMP_HIGH_C 35.0 // Too hot
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#define ALERT_TEMP_LOW_C 10.0 // Too cold
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// Humidity thresholds (percent)
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#define ALERT_HUMIDITY_HIGH 85.0 // Too humid
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#define ALERT_HUMIDITY_LOW 20.0 // Too dry
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// IAQ threshold (BME680 only)
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#define ALERT_IAQ_THRESHOLD 150 // Unhealthy air
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// Duration before alert is sent (seconds)
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#define ALERT_PERSIST_SEC 30
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// ============================================================================
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// DEEP SLEEP CONFIGURATION
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// ============================================================================
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// Use deep sleep between readings (recommended for battery)
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#define ENABLE_DEEP_SLEEP 1
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// Wake up sources
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#define WAKE_ON_TIMER 1 // Wake on interval timer
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#define WAKE_ON_GPIO 0 // Wake on external GPIO (for alerts)
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#define WAKE_GPIO_PIN 0 // GPIO pin for external wake
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// ============================================================================
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// DEBUG CONFIGURATION
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// ============================================================================
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// Enable serial debug output (disable in production to save power)
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#define ENABLE_SERIAL_DEBUG 1
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// Enable OLED display (disable to save power if not needed)
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#define ENABLE_OLED 1
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// Blink LED on TX (for debugging)
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#define ENABLE_TX_LED 1
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#endif // CONFIG_H
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