walkolution-odometer.gatt

// Walkolution Odometer GATT Service Definition

PRIMARY_SERVICE, GAP_SERVICE
CHARACTERISTIC, GAP_DEVICE_NAME, READ, "Walkolution Odo"

// Odometer Service
// Service UUID: 12345678-1234-5678-1234-56789ABCDEF0
PRIMARY_SERVICE, 12345678-1234-5678-1234-56789ABCDEF0

// Odometer Data Characteristic
// Characteristic UUID: 12345678-1234-5678-1234-56789ABCDEF1
// Sends 28-byte packets with session/total rotations, time, and speeds
CHARACTERISTIC, 12345678-1234-5678-1234-56789ABCDEF1, READ | NOTIFY | DYNAMIC,

// Sessions List Characteristic
// Characteristic UUID: 12345678-1234-5678-1234-56789ABCDEF2
// Returns array of unreported session records (20 bytes each)
CHARACTERISTIC, 12345678-1234-5678-1234-56789ABCDEF2, READ | NOTIFY | DYNAMIC,

// Mark Session Reported Characteristic
// Characteristic UUID: 12345678-1234-5678-1234-56789ABCDEF3
// Write 4-byte session_id to mark as reported
CHARACTERISTIC, 12345678-1234-5678-1234-56789ABCDEF3, WRITE | DYNAMIC,

// Time Sync Characteristic
// Characteristic UUID: 12345678-1234-5678-1234-56789ABCDEF4
// Write 4-byte Unix timestamp to sync device time
CHARACTERISTIC, 12345678-1234-5678-1234-56789ABCDEF4, WRITE | DYNAMIC,

// User Settings Characteristic
// Characteristic UUID: 12345678-1234-5678-1234-56789ABCDEF5
// READ: Returns current settings (1 byte: metric only)
// WRITE: Updates settings
CHARACTERISTIC, 12345678-1234-5678-1234-56789ABCDEF5, READ | WRITE | DYNAMIC,

// Set Lifetime Totals Characteristic
// Characteristic UUID: 12345678-1234-5678-1234-56789ABCDEF7
// WRITE: 8 bytes (4 bytes hours as float + 4 bytes distance as float)
CHARACTERISTIC, 12345678-1234-5678-1234-56789ABCDEF7, WRITE | DYNAMIC,

// Logs Characteristic
// Characteristic UUID: 12345678-1234-5678-1234-56789ABCDEF8
// READ: Returns new log data since last read (variable length, up to MTU size)
CHARACTERISTIC, 12345678-1234-5678-1234-56789ABCDEF8, READ | DYNAMIC,