Hid Report Version (Hid | Gatt | Slip); Magneprint Ksn (Hid | Tlv | Gatt | Slip); Battery Level (Hid | Gatt | Slip) - Magtek eDynamo Programmer's Manual

6 - Magnetic Stripe Card Data Sent from Device to Host (MSR Only | Keypad Entry Only)

6.19 HID Report Version (HID | GATT | SLIP)

This one-byte value identifies which variation of sets of values the device sends the host for Magnetic
Stripe Card Data Sent from Device to Host (MSR Only | Keypad Entry Only).
If the data does not contain this value, the host should implicitly assume it is equal to 0x01. If the report
does contain this value, it indicates the following:
HID Report Version
Empty
0x02
0x03
Format
HID
Streaming
TLV
GATT/SLIP

6.20 MagnePrint KSN (HID | TLV | GATT | SLIP)

This 80-bit value contains the TDES DUKPT Key Serial Number associated with encrypted MagnePrint
values included in the same message. The rightmost 21 bits are the current value of the encryption
counter. The leftmost 59 bits are a combination of the Key Set ID (KSID) that identifies the Base
Derivation Key injected into the device during manufacture, and the device's serial number; how those
two values are combined into the 59 bits is defined by a convention the customer decides when
architecting the solution, with support from MagTek. If no keys are loaded, all bytes have the value
0x00.
Format
HID
Streaming
TLV
GATT/SLIP

6.21 Battery Level (HID | GATT | SLIP)

This one-byte value contains the battery level of the device between 0% and 100%. 0x00 represents the
lowest safe operating voltage; 0x64 means the battery is at full voltage. When the device is powered by
USB, it always returns 100%. This field should be ignored for devices that do not contain a battery.
Format
HID
Streaming
eDynamo| Secure Card Reader Authenticator | Programmer's Manual (COMMANDS)
Original magnetic stripe card data contents
Added HID Report Version (HID | GATT | SLIP)
Added Battery Level (HID | GATT | SLIP)
Where to Find Value
Usage 0x58
N/A
N/A
Offset 887
Where to Find Value
Usage 0x5A
N/A
Data Object 8305
Offset 920..929
Where to Find Value
Usage 0x5B
N/A
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Changes