User Guide

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Specification for Spektrum X-Bus Telemetry Sensors

Page 11 Rev E

APPENDIX – HEADER FILE DATA

Note that some device types cannot be used by third-party devices, in particular voltage (0x01) and

temperature (0x02), as these are reserved for internal use within the transmitter. The text below has

been re-formatted for tabs that look good on the page. If you copy/paste them into your code, you will

probably want to re-tab them.

//////////////////////////////////////////////////////////////////

// This header file may be incorporated into non-Horizon

// products.

//////////////////////////////////////////////////////////////////

#ifndef TELEMETRY_H

#define TELEMETRY_H

//////////////////////////////////////////////////////////////////

// Assigned I2C Addresses and Device Types

//////////////////////////////////////////////////////////////////

#define TELE_DEVICE_NODATA (0x00) // No data in packet

#define TELE_DEVICE_VOLTAGE (0x01) // High-Voltage sensor (INTERNAL)

#define TELE_DEVICE_TEMPERATURE (0x02) // Temperature Sensor (INTERNAL)

#define TELE_DEVICE_RSV_03 (0x03) // Reserved

#define TELE_DEVICE_RSV_04 (0x04) // Reserved

#define TELE_DEVICE_RSV_05 (0x05) // Reserved

#define TELE_DEVICE_RSV_06 (0x06) // Reserved

#define TELE_DEVICE_RSV_07 (0x07) // Reserved

#define TELE_DEVICE_RSV_08 (0x08) // Reserved

#define TELE_DEVICE_RSV_09 (0x09) // Reserved

#define TELE_DEVICE_PBOX (0x0A) // PowerBox

#define TELE_DEVICE_AIRSPEED (0x11) // Air Speed

#define TELE_DEVICE_ALTITUDE (0x12) // Altitude

#define TELE_DEVICE_GMETER (0x14) // GForce

#define TELE_DEVICE_JETCAT (0x15) // JetCat interface

#define TELE_DEVICE_GPS_LOC (0x16) // GPS Location Data

#define TELE_DEVICE_GPS_STATS (0x17) // GPS Status

#define TELE_DEVICE_ENERGY_DUAL (0x18) // Dual Coulomb counter

#define TELE_DEVICE_JETCAT_2 (0x19) // JetCat interface, msg 2

#define TELE_DEVICE_GYRO (0x1A) // 3-axis gyro

#define TELE_DEVICE_ATTMAG (0x1B) // Attitude and Magnetic Compass

#define TELE_DEVICE_AS3X_LEGACYGAIN (0x1F) // Active AS3X Gains for legacy mode

#define TELE_DEVICE_ESC (0x20) // ESC

#define TELE_DEVICE_FUEL (0x22) // Fuel Flow Meter

// DO NOT USE (0x30) // Reserved for internal use

// DO NOT USE (0x32) // Reserved for internal use

#define TELE_DEVICE_MAH (0x34) // Battery Gauge (mAh)

#define TELE_DEVICE_DIGITAL_AIR (0x36) // Digital Inputs & Tank Pressure

#define TELE_DEVICE_STRAIN (0x38) // Thrust/Strain Gauge

#define TELE_DEVICE_LIPOMON (0x3A) // Cell Monitor (LiPo taps)

#define TELE_DEVICE_VARIO_S (0x40) // Vario

#define TELE_DEVICE_RSV_43 (0x43) // Reserved

#define TELE_DEVICE_USER_16SU (0x50) // User-Def, STRU_TELE_USER_16SU

#define TELE_DEVICE_USER_16SU32U (0x52) // User-Def, STRU_TELE_USER_16SU32U

#define TELE_DEVICE_USER_16SU32S (0x54) // User-Def, STRU_TELE_USER_16SU32S

#define TELE_DEVICE_USER_16U32SU (0x56) // User-Def, STRU_TELE_USER_16U32SU

#define TELE_DEVICE_RSV_60 (0x60) // Reserved

#define TELE_DEVICE_RSV_68 (0x68) // Reserved

#define TELE_DEVICE_RSV_69 (0x69) // Reserved

#define TELE_DEVICE_RSV_6A (0x6A) // Reserved