CALYPSO ULTRASONIC Portable Solar & Mini Developer Manual

Notes

• Firmware versions compatible: 2.0 and above
• All measures are referenced to the orientation mark on the side of the device. The mark is oriented to the bow of the boat.
• The device enters low power mode at battery levels <20%.
• The device enters sleep mode at battery levels <10%.
• Only Bluetooth advertising.

Device Information Service

Service UUID: 0x180A

• 0x2A29 Manufacturer Name String (Calypso)
• 0x2A24 Model Number String (UP10)
• 0x2A25 Serial Number String (Not used)
• 0x2A27 Hardware Revision String (Not used)
• 0x2A26 Firmware Revision String (0.47)
• 0x2A28 Software Revision String (Not used)

Data Service

Service UUID: 0x180D

Principal Characteristic: Notify

Characteristic: UUID: 0x2A39

Status Characteristic

Read

UUID: 0xA001

• 0x00 -> Sleep Mode, Only Advertising
• 0x02 -> Normal Mode, All data rate and sensors available

Environmental Calculations

Notify & Read

UUID: 0x181A

• Apparent Wind Speed UUID: 0x2A72
• Apparent Wind Direction UUID: 0x2A73

Environmental Sensing Service

UUID: 0x181A

Apparent Wind Speed (UUID 0x2A72)

2 bytes little endian, unsigned short (uint16).

Wind speed in m/s *100

(example: 39 02 => 569 => 5.69m/s)

Apparent Wind Direction (UUID 0x2A73)

2 bytes little endian, unsigned short (uint16).

Wind direction in degrees * 100

(example: 78 50 => 20600 => 206°)

(example: f8 75 => 30200 => 302°)

Battery Service

(UUID 0x180F)

Battery level (UUID 0x2A19)

1 byte, battery level 0 to 100%

Device Connection and Services

The device can be scanned for and connected to via Bluetooth Low Energy (BLE).

Upon connection, various services are available:

• Generic Access (UUID: 0x1800) - PRIMARY SERVICE
• Generic Attribute (UUID: 0x1801) - PRIMARY SERVICE
• Secure DFU Service (UUID: 0xFE59) - PRIMARY SERVICE
• Nordic UART Service (UUID: 6e400001-b5a3-f393-e0a9-e50e24dcca9e) - PRIMARY SERVICE
• Device Information (UUID: 0x180A) - PRIMARY SERVICE
  • Manufacturer Name String (UUID: 0x2A29), Properties: READ
  • Model Number String (UUID: 0x2A24), Properties: READ
  • Serial Number String (UUID: 0x2A25), Properties: READ
  • Hardware Revision String (UUID: 0x2A27), Properties: READ
  • Firmware Revision String (UUID: 0x2A26), Properties: READ
  • Software Revision String (UUID: 0x2A28), Properties: READ
• Battery Service (UUID: 0x180F) - PRIMARY SERVICE
  • Battery Level (UUID: 0x2A19), Properties: NOTIFY, READ
  • Descriptors:
    • Client Characteristic Configuration (UUID: 0x2902)
    • Characteristic User Description (UUID: 0x2901)
• Environmental Sensing (UUID: 0x181A) - PRIMARY SERVICE
  • Apparent Wind Speed (UUID: 0x2A72), Properties: NOTIFY, READ
    • Descriptors:
      • Client Characteristic Configuration (UUID: 0x2902)
      • Characteristic User Description (UUID: 0x2901)
  • Apparent Wind Direction (UUID: 0x2A73), Properties: NOTIFY, READ
    • Value: 129.00°
    • Descriptors:
      • Client Characteristic Configuration (UUID: 0x2902) - Value: Notifications enabled
      • Characteristic User Description (UUID: 0x2901)
• Heart Rate (UUID: 0x180D) - PRIMARY SERVICE
  • Heart Rate Control Point (UUID: 0x2A39), Properties: NOTIFY, READ
  • Unknown Characteristic (UUID: 0000a001-0000-1000-8000-00805f9b34fb), Properties: READ
  • Unknown Characteristic (UUID: 0000a002-0000-1000-8000-00805f9b34fb), Properties: READ, WRITE