Digi XBee3 DigiMesh 2.4 Manuale utente

Digi XBee3® DigiMesh 2.4

RF Module

User Guide

Revision history—90002277

Revision Date Description

A April 2018 Initial release.

B September

2018

Added features for S2C parity.

C April 2019 Added sleep support, file system, OTA file system updates, and several

MicroPython features.

Trademarks and copyright

Digi, Digi International, and the Digi logo are trademarks or registered trademarks in the United

States and other countries worldwide. All other trademarks mentioned in this document are the

property of their respective owners.

Disclaimers

Information in this document is subject to change without notice and does not represent a

commitment on the part of Digi International. Digi provides this document “as is,” without warranty of

any kind, expressed or implied, including, but not limited to, the implied warranties of fitness or

merchantability for a particular purpose. Digi may make improvements and/or changes in this manual

or in the product(s) and/or the program(s) described in this manual at any time.

Warranty

To view product warranty information, go to the following website:

www.digi.com/howtobuy/terms

Customer support

Gather support information: Before contacting Digi technical support for help, gather the following

information:

Product name and model

Product serial number (s)

Firmware version

Operating system/browser (if applicable)

Logs (from time of reported issue)

Trace (if possible)

Description of issue

Steps to reproduce

Contact Digi technical support: Digi offers multiple technical support plans and service packages.

Digi XBee3® DigiMesh 2.4 RF Module User Guide 2

Feedback

To provide feedback on this document, email your comments to

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Include the document title and part number (Digi XBee3® DigiMesh 2.4 RF Module User Guide,

90002277 B) in the subject line of your email.

Digi XBee3® DigiMesh 2.4 RF Module User Guide 3

Contents

About the XBee3 DigiMesh RF Module

Applicable firmware and hardware 14

Change the firmware protocol 14

Regulatory information 14

Get started

Verify kit contents 16

Assemble the hardware 16

Plug in the XBee3 DigiMesh RF Module 17

Unplug an XBee3 DigiMesh RF Module 18

Configure the device using XCTU 18

Configure remote devices 18

Configure the devices for a range test 19

Perform a range test 20

XBIB-C Micro Mount reference 22

XBIB-C SMT reference 25

XBIB-CU TH reference 27

XBIB-C-GPS reference 29

Interface with the XBIB-C-GPS module 31

I2C communication 32

UART communication 32

Run the MicroPython GPS demo 32

Get started with MicroPython

About MicroPython 35

MicroPython on the XBee3 DigiMesh RF Module 35

Use XCTU to enter the MicroPython environment 35

Use the MicroPython Terminal in XCTU 36

MicroPython examples 36

Example: hello world 36

Example: enter MicroPython paste mode 36

Example:using the time module 37

Example: AT commands using MicroPython 37

MicroPython networking and communication examples 38

Exit MicroPython mode 44

Other terminal programs 45

Tera Term for Windows 45

Use picocom in Linux 46

Digi XBee3® DigiMesh 2.4 RF Module User Guide 4

Digi XBee3® DigiMesh 2.4 RF Module User Guide 5

Micropython help () 47

File system

Overview of the file system 50

Directory structure 50

Paths 50

Limitations 50

XCTU interface 51

Configure the XBee3 DigiMesh RF Module

Software libraries 53

Over-the-air (OTA) firmware update 53

Custom defaults 53

Set custom defaults 53

Restore factory defaults 53

Limitations 53

Custom configuration: Create a new factory default 54

Set a custom configuration 54

Clear all custom configuration on a device 54

XBee bootloader 54

Send a firmware image 55

XBee Network Assistant 55

XBee Multi Programmer 56

Modes

Transparent operating mode 58

API operating mode 58

Command mode 58

Enter Command mode 58

Troubleshooting 59

Send AT commands 59

Response to AT commands 59

Apply command changes 60

Make command changes permanent 60

Exit Command mode 60

Idle mode 60

Transmit mode 60

Receive mode 60

Serial communication

Serial interface 62

Serial receive buffer 62

Serial transmit buffer 62

UART data flow 62

Serial data 63

Flow control 63

Clear-to-send (CTS) flow control 64

RTS flow control 64

Digi XBee3® DigiMesh 2.4 RF Module User Guide 6

SPI operation

SPI communications 66

Full duplex operation 67

Low power operation 67

Select the SPI port 68

Force UART operation 69

I/O support

Digital I/O support 71

Analog I/O support 71

Monitor I/O lines 72

I/O sample data format 73

API frame support 74

On-demand sampling 74

Example: Command mode 74

Example: Local AT command in API mode 75

Example: Remote AT command in API mode 75

Periodic I/O sampling 76

Source 76

Destination 77

Digital I/O change detection 77

I/O line passing 77

Digital line passing 78

Example:Digital line passing 78

Analog line passing 78

Example:Analog line passing 79

Output sample data 79

Output control 79

I/O behavior during sleep 79

Digital I/O lines 80

Analog and PWM I/O Lines 80

Networking

Network identifiers 82

Operating channels 82

Delivery methods 82

Point-to-multipoint 82

DigiMesh networking 83

Broadcast addressing 84

Unicast addressing 84

Route discovery 84

Routing 85

Routers 85

Repeater/directed broadcast 85

MAC layer 85

Encryption 86

Maximum payload 86

Digi XBee3® DigiMesh 2.4 RF Module User Guide 7

Network commissioning and diagnostics

Local configuration 88

Remote configuration 88

Send a remote command 88

Apply changes on remote devices 88

Remote command response 88

Build aggregate routes 89

DigiMesh routing examples 89

Replace nodes 90

Test links between adjacent devices 90

Trace route option 92

NACK messages 92

RSSI indicators 93

Associate LED 93

The Commissioning Pushbutton 93

Definitions 94

Use the Commissioning Pushbutton 94

Node discovery 95

Discover all the devices on a network 95

Directed node discovery 95

Destination Node 96

Discover devices within RF range 96

Sleep support

Sleep modes 98

Asynchronous sleep modes 98

Asynchronous Pin Sleep mode (SM = 1) 98

Asynchronous Cyclic Sleep mode (SM = 4) 98

Asynchronous Cyclic Sleep with Pin Wake-up mode (SM = 5) 99

MicroPython sleep with optional pin wake (SM = 6) 99

Synchronous sleep modes 99

Synchronous sleep support mode (SM = 7) 99

Synchronous cyclic sleep mode (SM = 8) 100

Sleep parameters 100

Sleep pins 100

Sleep conditions 101

The sleep timer 101

Sleep coordinator sleep modes in the network 102

Synchronization messages 102

Become a sleep coordinator 104

Set the sleep coordinator option 104

Resolution criteria and selection option 104

Commissioning Pushbutton option 105

Overriding syncs 105

Sleep guard times 105

Auto-early wake-up sleep option 106

Select sleep parameters 106

Start a sleeping synchronous network 107

Add a new node to an existing network 108

Change sleep parameters 108

Rejoin nodes that lose sync 109

Diagnostics 110

Digi XBee3® DigiMesh 2.4 RF Module User Guide 8

Query sleep cycle 110

Sleep status 110

Missed sync messages command 110

Sleep status API messages 110

AT commands

Networking commands 112

CH (Operating Channel) 112

ID (Network ID) 112

CE (Routing / Messaging Mode) 112

C8 (Compatibility Options) 113

NI (Network Identifier) 113

ND (Network Discover) 115

DN (Discover Node) 115

FN (Find Neighbors) 116

NT (Network Discovery Back-off) 117

NO (Network Discovery Options) 117

NP (Maximum Packet Payload Bytes) 117

DigiMesh Addressing commands 118

SH (Serial Number High) 118

SL (Serial Number Low) 118

DH (Destination Address High) 118

DL (Destination Address Low) 118

RR (Unicast Mac Retries) 119

MT(Broadcast Multi-Transmits) 119

TO (Transmit Options) 119

CI (Cluster ID) 120

DigiMesh configuration commands 120

MR (Mesh Unicast Retries) 120

BH (Broadcast Hops) 120

NH (Network Hops) 121

NN (Network Delay Slots) 121

DM (DigiMesh Options) 121

AG (Aggregator Support) 122

Diagnostic commands - addressing timeouts 122

%H (MAC Unicast One Hop Time) 122

%8 (MAC Broadcast One Hop Time) 122

N? (Network Discovery Timeout) 123

Security commands 123

EE (Encryption Enable) 123

KY (AES Encryption Key) 123

RF interfacing commands 124

PL (TX Power Level) 124

PP (Output Power in dBm) 124

CA (CCA Threshold) 124

DB (Last Packet RSSI) 125

MAC diagnostics commands 125

EA (MAC ACK Failure Count) 125

EC (CCA Failures) 125

BC (Bytes Transmitted) 126

GD (Good Packets Received) 126

TR (Transmission Failure Count) 126

UA (Unicasts Attempted Count) 127

ED (Energy Detect) 127

Digi XBee3® DigiMesh 2.4 RF Module User Guide 9

Sleep settings commands 127

SM (Sleep Mode) 127

SP (Sleep Time) 128

ST (Wake Time) 128

SN (Number of Sleep Periods) 128

WH (Wake Host Delay) 129

SO (Sleep Options) 129

Diagnostic - sleep status/timing commands 130

SS (Sleep Status) 130

OS (Operating Sleep Time) 130

OW (Operating Wake Time) 130

MS (Missed Sync Messages) 131

SQ (Missed Sleep Sync Count) 131

UART interface commands 131

BD (Baud Rate) 131

NB (Parity) 132

SB (Stop Bits) 132

FT (Flow Control Threshold) 133

RO (Packetization Timeout) 133

AP (API Enable) 133

AO (API Options) 134

AZ (Extended API Options) 134

Command mode options 134

CC (Command Character) 135

CT (Command Mode Timeout) 135

GT (Guard Time) 135

CN (Exit Command mode) 135

MicroPython commands 136

PS (Python Startup) 136

PY (MicroPython Command) 136

File system commands 137

FS (File System) 137

FK (File System Public Key) 138

UART pin configuration commands 139

D6 (DIO6/RTS Configuration) 139

D7 (DIO7/CTS Configuration) 139

P3 (DIO13/UART_DOUT) 140

P4 (DIO14/UART_DIN Configuration) 140

SPI interface commands 141

P5 (DIO15/SPI_MISO Configuration) 141

P6 (DIO16/SPI_MOSI Configuration) 141

P7 (DIO17/SPI_SSEL Configuration) 142

P8 (DIO18/SPI_CLK Configuration) 142

P9 (DIO19/SPI_ATTN Configuration) 143

I/O settings commands 143

D0 (DIO0/ADC0/Commissioning Configuration) 143

D1 (DIO1/ADC1/TH_SPI_ATTN Configuration) 144

D2 (DIO2/ADC2/TH_SPI_CLK Configuration) 144

D3 (DIO3/ADC3/TH_SPI_SSEL Configuration) 145

D4 (DIO4/TH_SPI_MOSI Configuration) 145

D5 (DIO5/Associate Configuration) 146

D8 (DIO8/DTR/SLP_Request Configuration) 146

D9 (DIO9/ON_SLEEP Configuration) 147

P0 (DIO10/RSSI/PWM0 Configuration) 147

P1 (DIO11/PWM1 Configuration) 148

Digi XBee3® DigiMesh 2.4 RF Module User Guide 10

P2 (DIO12/TH_SPI_MISO Configuration) 148

PR (Pull-up/Down Resistor Enable) 149

PD (Pull Up/Down Direction) 150

IO (Set Digital I/O Lines) 150

M0 (PWM0 Duty Cycle) 150

M1 (PWM1 Duty Cycle) 151

RP command 151

LT command 151

CB (Commissioning Button) 152

I/O sampling commands 152

IS (I/O Sample) 152

IR (Sample Rate) 153

IC (DIO Change Detect) 153

AV (Analog Voltage Reference) 154

IF (Sleep Sample Rate) 154

I/O line passing commands 155

IA (I/O Input Address) 155

IU (Send I/O Sample to Serial Port) 155

T0 (D0 Timeout) 155

T1 (D1 Output Timeout) 155

T2 (D2 Output Timeout) 156

T3 (D3 Output Timeout) 156

T4 (D4 Output Timeout) 156

T5 (D5 Output Timeout) 156

T6 (D6 Output Timeout) 157

T7 (D7 Output Timeout) 157

T8 (D8 Timeout) 157

T9 (D9 Timeout) 157

Q0 (P0 Timeout) 157

Q1 (P1 Timeout) 158

Q2 (P2 Timeout) 158

PT (PWM Output Timeout) 158

Diagnostics – Firmware/Hardware Information 158

VR (Firmware Version) 158

VL (Version Long) 159

VH (Bootloader Version) 159

HV (Hardware Version) 159

%C (Hardware/Software Compatibility) 159

%V (Supply Voltage) 159

TP (Temperature) 160

DD (Device Type Identifier) 160

CK (Configuration CRC) 160

FR (Software Reset) 160

Memory access commands 161

AC (Apply Changes) 161

WR (Write) 161

RE (Restore Defaults) 161

Custom default commands 161

%F (Set Custom Default) 162

!C (Clear Custom Defaults) 162

R1 (Restore Factory Defaults) 162

Operate in API mode

API mode overview 164

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