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6.4.2.4 Sequence Number
Sequence Number: The SubGig sequence number (see the SubGig spec for more detail). This
is represented as a 24-bit ASCII-coded hex number.
6.4.2.5 Encryption
Encryption: "N" for unencrypted or "Y" for encrypted
6.4.2.6 Command
Command: The SubGig command field (see the SubGig spec for more detail). This is
represented as an 8-bit ASCII-coded hex number.
6.4.2.7 Payload
Payload: The 64-bit SubGig payload field which is a superset of the user payload field (see the
SubGig spec for more detail). For those commands that have numerical values as part of the
payload, those are recoded as ASCII encoded numbers and displayed as additional field types.
User payloads are displayed as they are sent over the air without any ASCII encoding.
6.5. Bootloader
The module contains a bootloader to allow for firmware upgrades. The configuration utility
provides an easy to use interface for the bootloader and programming the module with new
firmware images and is recommended above using any terminal emulators or manual
methods of upgrading the image.
6.5.1. Using Terminal Emulators
When usage of the configuration utility is not possible, the bootloader can also be used
through a simple terminal program such as Tera Term via AT commands or through an
external microcontroller.
If the serial port is connected to a terminal program, the following will be displayed after it
receives the BL AT command:
Press <DEL> to enter Bootloader
The bootloader then waits a period of 3 seconds (by default) for the <DEL> character (ASCII
character 127) and re-enters the program if it is not received. The same prompt appears
anytime the device is reset which allows the user to program a new image even if the current
image has become corrupt.
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Note that if the user payload is not ASCII readable then it will not be readable if
sniffer mode is used through a standard terminal emulator.
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