TWR-RF-SNAP
Contents
1. GPIO Expansion 288607 TWRPI Socket GPIO I2C Analog GPIO 700 Wireless 802 15 4 EX Q E lac c E Q Reset Figure 1 TWR RF SNAP Block Diagram Pushbuttons Analog Photocell Sensor Analog Temp Sensor D UART USB 5 O Interface TWR RF SNAP User s Manual Page 4 of 22 An image the TWR RF SNAP with callouts is shown the figure below cengal Purpose Elevator Connection Jumpers General Purpose TWRPI 9 in Primary Elevator Connector p Temperatura Sensor Shar oo Wireless 802 15 4 RF Engine MicroUSB p GPIO Expangian Header Secondary Elewstor Connector E Push Button Red LED Button Figure 2 TWR RF SNAP Image 2 Reference Documents The documents listed below should be referenced for more information on the Freescale Tower system and the TWR RF SNAP Refer to http freescale com tower for the latest revision of all released Tower documentation e TWR RF SNAP Schematics e TWR RF SNAP Quick Start Guide e TWR RF SNAP Lab Document TWR RF SNAP User s Manual Page 5 of 222. USER S MANUAL TWR RF SNAP Document Revision v1 0 EFTETTETETQB Wireless Technology to Control and es Monitor Anything from Anywhere 2011 Synapse All Rights Reserved All Synapse products are patented or patent pending Specifications are subject to change without notice confirm that data is current Synapse the Synapse logo SNAP and Portal are all registered trademarks of Synapse Wireless Inc 500 Discovery Drive Huntsville Alabama 35806 877 982 7888 Doc 600049 01A Freescale Semiconductor Inc 2011 All rights reserved Freescale and the Freescale logo are trademarks of Freescale Semiconductor Inc All other product or service names are the property of their respective owners rwn nr sNAP featuing the Synapse Wireless SM700 IEEE 802 15 4 RF Engine Contents MOV CTV CW N A EEA A A A E EAE AE A AA E O E EA O E OE A AE E OE 3 2 Reference Documents eere 5 RAE WAL OC RUMI CS 6 FR Fa INA M Options for Powering the TWR RF SNAP Module Installing into the Tower System SZ S02 01210 0 E 5 700
3. 3 Hardware Features This section provides more details about the features and functionality of the TWR RF SNAP 3 1 Using the TWR RF SNAP Options for Powering the TWR RF SNAP Module The module can be powered using any of the following options 1 USB connector either via USB AC power supply or USB port on a PC 2 The Tower Elevator modules relying on the 5V supply pins 3 The battery connector Power Switch Settings Power Switch Operation Position Far Left Draws power from the battery connector Far Right Draws power from USB Port or Primary Elevator connector Installing into the Tower System In additional to functioning standalone the TWR RF SNAP is designed to be used in the Freescale Tower System When inserted into the Tower System a Tower MCU module can utilize the TWR RF SNAP to relay information to additional SNAP nodes including the provided SN132 USB Dongle The TWR RF SNAP can also access compatible peripheral modules directly using I2C and SPI To ensure proper functionality of the TWR RF SNAP within the Tower System the Primary Edge connector marked with the white stripe must be inserted into the Primary Elevator The TWR RF SNAP is also compatible with the General Purpose Tower Plug in modules TWRPIs TWRPI module can be inserted directly into the available socket on the TWR RF SNAP The TWRPI socket on the TWR RF SNAP provides access to I2C Analog and GPIO s TWR RF SNAP User s
4. TWR RF SNAP Primary Elevator Connector Pinout TWR RF SNAP Primary Connector Pin Name Usage Used Usage Used 8 jswPwr x M sv jswPwr x cv Ground 10 Qx X cv asw savewr jJsavewr _ 5 SENSE HevtorPowersene a sav _ _ jJsavPwr per swears ce mw ___ Jgamvsao scsc SoHcps sPLC3Lb X s SHcps seLGOb sohc ceos sthcp 11 GPIO7 SD WP tmc ects __ __ d o wo j pus ET TEN a etek pers my tmm az es pers tmm _ peso tmm oeo i GPOl RI aij simak oa ae see __ s3 ws sza awo w4 __ __ ws Sm B _ Ground S S x peor oar G S d d ZA J
5. wms __ TWR RF SNAP User s Manual Page 19 of 22 TWR RF SNAP Primary Connector Pin Usage Used Jmp Pin Usage Used eof ag ANI po w fest ____ Ground S x ress act fn fc ress oma o S S d oo ___ __ esa ome a emoa des tos 6 asv ____ pag m peso ewm Pt Pr pear __ o JEEVROUARTLTXD X ELEV X RxD1 Oo SPOMSO O 5 0 MSOGPLMSO X X ma _ Bas SPOMOSO0 _ 5 mosi sP MOs X X ms _ spio_csob j evsmocoGPSS X X e __ voa wg 5 0 j mvsmocsuGess X X ag peas 5 00 ELEV_SPIO X X as vreraz MS _ Ground O eno Ground x peso su J e X gen sa ae 852 cmos seo 152 ecmom smoweqo usso ppe evown 1 e cmo j ja fs ver fs Ra 0 __
6. Manual Page 6 of 22 Controller Module Primary Elevator Tower MCU MPU N e Common serial board 4A EH gt and expansion N EU s bus signals Works stand alone or in Tower System Two 2x80 connectors on backside for easy signal access and side mounting board LCD module Features integrated debugging interface for easy programming and run control via standard USB cable BR NR Power regulation A x WE x circuitry ESN Bh Standardized signal assignments Secondary Elevator Additional and secondary serial and expansion bus signals Mounting holes e Standardized signal assignments Board Connectors Mounting holes and expansion connectors for side mounting peripheral boards Four card edge connectors Uses PCI Express connectors Size Peripheral Module x16 90 mm 3 5 long 164 pins Tower is approx 3 5 Hx 3 5 W Examples include serial interface module x 3 5 D when fully assembled memory expansion module and Wi Fi Figure 3 Freescale Tower System Overview TWR RF SNAP User s Manual Page 7 of 22 3 2 IEEE 802 15 4 RF Engine The TWR RF SNAP features the Synapse Wireless SM700 IEEE 802 15 4 RF Engine The SM700 RF Engine is based the Freescale MC13224V transceiver platform The SM700 comes with SNAP preloaded and ready to perform out of the box SNAP is Synapse s award winning mesh network
7. installing the Synapse Portal IDE and the necessary USB drivers refer to the TWR RF SNAP Lab Guide The Default View of Portal IDE consists of the following key panels and tool bars Main Toolbar Node View Panel Node Info Panel Node Info Toolbar and Event Log Panel From this user interface you can connect to a SNAP bridge node and start viewing and configuring your SNAP network The nodes in your network will be displayed in the Node Views window as they start TWR RF SNAP User s Manual Page 14 of 22 responding to queries made by Portal Selecting a node by clicking on it in the Node Views window will display detailed information about that node over in the Node Info window Finally the Event Log window displays event message about things that have occurred in the system and in the SNAP network The Main Toolbar will provide icons to open existing scripts create new scripts connect to a Port Node and perform a broadcast ping of the network The Node Info Toolbar Node Info Toolbar Main Toolbar I1 Synapse Portal default swn File View Options Network Help ce i Node Views gt X 515 aes active Nodes d X Node Info Network Address Device Image Link Quality Device Type 00 00 01 Firmware Version Platform Network Address MAC Address Device Image Node View Image CRC Image Size License Channel Network ID Path Mo path info
8. 14 15 Pin 37 15 TX 36 GPIO 14 This serial port attaches to edge connectors elevator for communication with other devices within the Tower System UART2 SNAP UART1 USBconnected to UART2 of the system Physical Pins 21 23 25 SNAP GPIO 21 18 RTS Pin 21 GPIO 21 CTS 23 GPIO 20 24 GPIO 19 TX 25 GPIO 18 Used to upload firmware factory default the SNAP settings or erase a script via Portal Connected to the USB port TWR RF SNAP User s Manual Page 10 of 22 I2C SNAP I2C Connected to Physical Pins 28 29 SNAP GPIO 13 12 SCL Pin 29 12 SDA Pin 28 GPIO 13 This interface port attaches to edge connectors elevator for communication with other devices within the Tower System as well as the on board TWRPI socket SPI SNAP SPI Connected to Physical Pins 35 39 41 SNAP GPIO 7 4 SCK Pin 35 GPIO 7 MOSI Pin 39 GPIO 6 MISO Pin 40 GPIO 5 SS Pin 41 GPIO 4 This serial interface bus attaches to edge connectors elevator for communication with other devices within the Tower System ADC ADC1 has the capability to use an on board 2 5V precision voltage reference GPIO Expansion Header The GPIO header exposes the following pins for use external to the TWR RF SNAP board GPIO Header J6 Pin Description GPIO HEADER gt N __________________ 5 TX SNAP 1 551 LM 5 2 55 FSYN SS
9. 20 01 00 42 57 83 buttonPresstpin Device Image TWR SNAP Example contralireenLedi 05272 inibi Startu Fick 15 Timer Image Image 5ize 415 bytes 155 List of discovered nodes Channel 4 Network ID Oxicec Path Event Log Time Event Device Type 2011 02 04 01 14 37 STATUS 42 2011 02 04 01 14 37 STATUS Node INFO 42 2011 02 04 01 14 37 QUERY Node Version 2 4 9 Jul 08 2010 1 0 0 0 32767 RF100 2011 02 04 01 14 37 NY PARAM Image CRC Mone 2011 02 04 01 14 37 QUERY Channel 4 2011 02 04 01 14 37 QUERY Node Network ID Oxlcec 2011 02 04 01 14 37 NY PARAM Address 00 12 20 1 86 03 42 46 2011 02 04 01 14 37 QUERY Node Space 13248 WWW synapse wireless com RPCsin Queue 0 Connected 0580 38400 Figure 7 SNAPTower in Portal TWR RF SNAP User s Manual Page 16 of 22 The Broadcast Ping icon located the Toolbar can be used to refresh the identified Nodes the network Clicking on this toolbar button will cause Portal to broadcast a special answer if you hear me message to all nodes When the nodes answer any nodes that Portal did not already know about will be individually queried for additional information You might use this button if you just added one or more new nodes to your network Refer to the image below fo
10. Python implemented by the core software is named SNAPpy Scripts written in SNAPpy also referred to as Device Images SNAPpy images or even Snappy Images can be uploaded into SNAP Nodes serially or even over the air and dramatically alter the nodes capabilities and behavior The TWR RF SNAP comes preloaded with the SNAP firmware including an initial SNAPpy script that allows the user to interact with the LEDs by pressing the on board push buttons For more information regarding this example SNAPpy script refer to the TWR RF SNAP lab guide SNAP Highlights Multi hop mesh e Auto forming e Instant on e Peer to peer e SNAPpy application scripts Python based programming language e Over the air programming e Remote Procedure call architecture e Processor independence Sleepy Mesh allows for battery operation e Each node runs autonomously e No central coordinator since each node can participate in routing e No single point of failure TWR RF SNAP User s Manual Page 13 of 22 Refer to the SNAP Reference Manual details regarding the available SNAPpy functions and commands 3 7 Synapse Portal IDE Portal takes you beyond traditional network commissioning tools by giving you an end to end view into your wireless application Implement the functionality you need one step at a time dynamically interactively wirelessly As a bridge between the SNAP network and the PC Portal provides a simple and flexible P
11. RF Engine Synapse Part SM700PC1 3 3 On board Sensors Inputs and Temperature Sensor Photocell Light Sensor Power Switch User LED 1 Red User LED2 Green Power LED Switch 2 software accessible input Switch 3 software accessible input Reset Button CS 10 TWPRI Connector UART1 SNAP UARTO UART2 SNAP UART1 I2C SNAP I2C SPI SNAP SPI ADC GPIO Expansion Header SO SNAP 12 RF100 RF Engine Synapse Part RF100P86 Mia Pig gig 13 ONAP IY 13 SNAP Highlights o POr IDE ansam ic iE dicU DES 14 Portal Highlights eiecit M 18 A1 Jumper octies 18 oS Electrome chanicals A var GV MU FE ERN 19 CO 19 5 2 G5 al 8 G10 8 al 22 TWR RF SNAP User s Manual Page 2 of 22 1 Overview The Wireless Mesh Networking Tower Board TWR RF SNAP is a peripheral Tower System Module The TWR RF SNAP provides wireless mesh networking via the Certified Synapse Wireless 5 700 RF Engine The 5 700 is based on the Freescale MC13224 chip which combin
12. T BITCK 6 UARTI RTS SNAP GPIO 2 551 FSYN 10 7 SNAP GPIO 3 551 BITCK 8 SNAPGPIO 21 UART1_RTS SNAP SW UARTO _______ SNAP 20 UART1_CTS SNAP SW oo TWR RF SNAP User s Manual Page 11 of 22 3 5 SNAP SN132 USB Dongle The SNAP SN132 USB Dongle is included with the TWR RF SNAP The SN132 features an RF100 RF Engine It is not only its own free standing node in the SNAP network but also provides the PC and Portal software a bridge into the SNAP network Refer to the lab material associated with the TWR RF SNAP module for more about the USB dongle RF100 RF Engine Synapse Part RF100P86 SNAP Instant ON mesh network stack Powerful reliable wireless connection in 2 4GHz license free band Spread spectrum DSSS technology surmounts noisy environments Optional Transmit amplifier 18 for best in class range Embedded F antenna Receive amplifier 10 dBm standard Up to 3 mile range with external antenna Low power modes down to 2 5 pA with internal timer running 60k flash with 20k free for over the air uploaded user apps FCC Certified on all 16 channels 4 001 2 1 C6005A57 FCC ID U9O RFET IC 7084 ab e e EJ e Ind e gt at 12 Figure 4 SNAP SN132 USB Dongle The following table describes the how to control the output pins to obtain desired colors Notice that the LED lines
13. __ fs j wo 143 RSOULb EEVRSTOUTB REED x X auo x enn Ground S x e fac e _ _ la ___ AD17 B63 B64 B65 B66 B67 B68 B69 B70 B71 B72 AD16 TWR RF SNAP User s Manual Page 20 of 22 TWR RF SNAP Primary Connector Name Usage Used Jmp Pin Name Used Jmp Pin A3 O NENNEN fn EBADO pes __ ge ewe gg es 0 5 a O s BD 5 e cma e cN Ground x s2 asv jsavewr a jsavewr TWR RF SNAP User s Manual Page 21 of 22 5 2 Tower Form Factor The TWR RF SNAP is designed for the Freescale Tower System as a side mounting peripheral and complies with the electrical and mechanical specification as described in Freescale Tower Electromechanical Specification 0 112 0 409 3 54 3 319 0 112 3 175 0 435 2531 Figure 10 Tower Board size 409 TWR RF SNAP User s Manual Page 22 of 22
14. are active LOW Desired LED Color 0 Value of GPIO Pin 1 ___ High __ Low OFF X J A second green LED is used to indicate that power is being supplied to the module It cannot be controlled by the user TWR RF SNAP User s Manual Page 12 of 22 Software Features This section provides more details about the software features and functionality of the TWR RF SNAP including the Synapse Wireless Portal IDE and python based SNAPpy scripts 3 6 SNAP SNAPpy Synapse s SNAP technology is an Internet enabled auto forming multi hop mesh network Operating System that is designed to run efficiently on all types of microcontroller including cost effective 8 bit microprocessors With the SNAP protocol firmware installed the device automatically forms an ad hoc radio mesh network with other SNAP devices in range so each can pass information back and forth and can relay messages to other SNAP devices that might be out of the original sender s range Since SNAP provides a full mesh network there is no single point of failure any node can talk directly to any other node that is in range and any node can talk indirectly to any other node via intermediate nodes SNAP based networks are self forming instant on and self healing The SNAP core code handles wireless communications as well as implementing a Python virtual machine The subset of
15. e selection Refer to the following table for details Jumper Options Setting Description 2 SCL Connects 2 SCLto TWR ELEV ELEV SCLO 2 SDA Connects 2 SDAto TWR ELEV SDAO TWR ELEV 17 18 SPICLK Connects SPI SCLK to TWR ELEV _ ELEV SPIO 19 20 RESET RESET to TWR ELEV ELEV RSTOUT Powered Battery Terminal Switched towards battery connection Switch 1 Bower Switch Sida Right Powered via USB Tower System Switched towards USB receptacle Switch connects 700 GPIO 22 to GND when pressed Pin can be used as SHUM EXT an interrupt pin to wake the SM700 from sleep Switch connects SM700 23 to GND when pressed Pin can be used as Fuso Eimer interrupt to wake the 700 from sleep Switch 4 Push Button Resets the SM700 TWR RF SNAP User s Manual Page 18 of 22 5 Electromechanicals 5 1 Elevator Connections The TWR RF SNAP features two expansion card edge connectors that interface to Elevator boards in a Tower System the Primary and Secondary Elevator connectors Table 1 provides the pinout for the Primary and Secondary Elevator Connector An X in the Used column indicated that there is a connection from the TWR MEM to that pin on the Elevator connector An X in the Jmp column indicates that a jumper is available that can configure or isolate the connection from the Elevator connector Table 1
16. es a 32 bit ARM7 with an IEEE 802 15 4 radio transceiver The TWR RF SNAP module can function standalone or within the Tower System As part of the Tower System the TWR RF SNAP can interface with Tower System controller modules via 5 and can access available Tower System peripheral modules using UART or I2C The TWR RF SNAP also includes a General Purpose Tower Plug in TWRPI socket allowing direct access to a selection of sensor plug ins via I2C A SN132 USB Dongle is also included with the TWR RF SNAP The USB Dongle features the RF100 RF Engine based on a Freescale MC9S08 MCU and the Freescale MC13191 radio The USB dongle provides a communication portal to a host computer via USB The TWR RF SNAP can be accessed in Synapse s Portal IDE using either the on board USB or wirelessly using the included RF100 USB Dongle The TWR RF SNAP features the following Synapse Wireless SM700 A surface mount RF Engine powered by the Freescale MC13224 Onboard Sensors Push Buttons LEDs for user interaction and feedback Tower Plug in TWRPI socket for additional sensors microUSB connector for powering and providing wired access to the Portal IDE Optional battery connector for untethered operation Included SN132 USB Dongle with RF100 RF Engine for wireless access to a host computer TWR RF SNAP User s Manual Page 3 of 22 A block diagram for the TWR RF SNAP is shown in the figure below Primary Tower Elevator Connector
17. operating system that provides wireless connectivity for Internet to machine and machine to machine communications M700 RF Engine Synapse Part SM700PC1 Powerful 32 bit TDMI ARM7 microprocessor Large on board memory resources o Allows for over the air SNAPpy script and SNAP OS upgrades Accurate 12 bit ADC for precision sensors SNAP Instant ON mesh network operating system Powerful reliable wireless connection in 2 4GHz license free band o 2 4 GHz RF Frequency 2400 2483 5 MHz 16RF Channels Up to 100mW output power 96 dBm Rx sensitivity 20dBm Tx output power 2 0 to 3 6 Volts Vcc Small footprint 1 x 1 4 25 4mm x 36 5mm Low power consumption o Transmit mode 193mA o Receive mode 30mA o Hibernate 1 1 Integrated F antenna Over 1 5 miles range Available AES 128 bit encryption FCC CE and IC certified TWR RF SNAP User s Manual Page 8 of 22 3 3 On board Sensors Inputs and Indicators The following interfaces are implemented in the TWR RF SNAP to allow for user interaction Temperature Sensor Connected to ADC Ch 1 physical pin 9 of the 5 700 SNAP GPIO 31 Low Power Linear Active Thermistor Analog output Photocell Light Sensor Connected to ADC Ch 0 physical pin 8 of the 5 700 SNAP GPIO 30 Analog output Power Switch Left position Draws power from the battery connector Middle position OFF Right position Dra
18. r the location of the Broadcast Ping icon yi synapse Portal swn File View Options Network Help ue Maya Mode Views X is Figure 8 Broadcast Ping Icon The Node Info panel will contain only information relevant to the Node that is selected or highlighted in the Node View panel When referring to the information in the Node Info panel or using the Node Info Toolbar it is important that the correct SNAP Node is first selected in the Node View panel For example to upload a new script to the TWR RF SNAP Tower Module you must first ensure that the SNAPTower Node is selected in the Node Info panel as shown in the image below synapse Portal default 55 File View Options Network Help ie yii Mode Views Xx 2 ds ali Nodes Made Network Address Device Image Link Quality Device Type cs Portal 00 00 01 Portal Node 03 42 46 68 None gt BNAPTower 45 67 83 SMAP 61 SMAP Figure 9 SNAPTower Selected Portal Refer to the Synapse Portal Reference Manual for detailed instructions regarding the application TWR RF SNAP User s Manual Page 17 of 22 4 Configuration Settings 4 1 Jumper Switch Settings There are several jumpers provided for isolation configuration and featur
19. rmation collected Info In your Portal script use remoteNode setColumn name value to display information here Event Log x Time Event Device wWwWw synapse wireless com RPCs in Queue 0 Disconnected 2 Event Log Figure 5 Portal IDE Application With the SN132 USB Dongle connected to the PC running the Portal IDE and the TWR RF SNAP powered externally and within range of the SN132 the application will identify the USB Dongle as an available SNAP Bridge Device on Port USBO TWR RF SNAP User s Manual Page 15 of 22 Connect to Port Port Progress Found SNAP Bridge Device on Port USBO Connect Cancel Figure 6 SNAP Bridge Device Connect The application will then attempt to identify all available Nodes available in the network as seen in the figure below The TWR RF SNAP will be identified as a SNAPTower Node Device TWR SNAP yl Synapse Portal default sven File View Options Network Help v ijr bem de wh Views x Mode Info x t BE R x All Nodes Network Address Device Image Link Quality Device Type SNAP Tower ce Portal 00 00 01 Portal fj Node 03 EB Wee Firmware Version 2 4 17 Debug SNMAPpy Modules 73 SNAPTower 4 67 83 TWR SMAP 61 SNAP Platform neue BuiltIn Network Address 40 67 53 TWR SNAP Example MAC Address 00 12
20. ws power from the tower elevator or USB port User LED 1 Red Connected to TMRO physical pin 34 of the SM700 SNAP GPIO 8 Activated by setting the pin HIGH User LED2 Green Connected to TMR1 physical pin 33 of the SM700 SNAP GPIO 9 Activated by setting the pin HIGH Power LED Green LED D5 will indicate when power is applied to the board Switch 2 software accessible input Connected to Physical Pin 57 of the 5 700 SNAP GPIO 22 KBI pin wake from sleep interrupt capable Switch is grounded when pressed Switch 3 software accessible input Connected to Physical Pin 56 of the 5 700 SNAP GPIO 23 KBI pin wake from sleep interrupt capable Switch is grounded when pressed Reset Button Push button tied directly to RESET on the SM700 Reboots the device TWR RF SNAP User s Manual Page 9 of 22 3 4 Expansion Interfaces The following interfaces allow for expandability of the TWR RF SNAP TWPRI Connector Freescale standard connector for General Purpose Tower Plug ins TWRPIs Allows for plug in of several different sensors TWRPI MMA7660 Accelerometer Interfaces to sensors via IC and or ADC ADC 5 7 See figure below for specific pin out 115 is the right connector while J14 is the left connector E 47K 0402 RE SDA EBI 3 EBI 4 EBI 3 5 COMBINED UART1 SNAP UARTO Connected to Physical Pins 36 37 SNAP GPIO
21. ython based interface Remote nodes can invoke Python functions in Portal using built in SNAPpy RPC calls Portal Highlights e Comprehensive administration tool for SNAP networks e Participates as a full peer on the network e Syntax highlighted Python editor for developing SNAPpy scripts e Invoke RPC script functions on any device in network e Remote nodes can invoke RPC scripts within Portal e Channel analyzer to find ideal channel e Event Log with timestamps and filtering e Graphical Data Logger e Node configuration editor e Channel scanner to detect new or un configured nodes e Connect to SNAP Connect over Internet or TCP IP LAN Synapse Portal is a standalone software application that runs on a standard PC Using a USB or RS232 interface it connects to any node in the SNAP Wireless Network and becomes a graphical user interface GUI for the entire network Using Portal you can quickly and easily create deploy configure and monitor SNAP based network applications Once connected the Portal PC has its own unique SNAP Network Address and can participate in the SNAP network as a peer The address of each node within the SNAP network can be determined by looking at the last 6 digits of the device s MAC address This is the node s unique address in a SNAP network For example a MAC address of 00 1C 2C 1E 86 03 A2 A6 will use the SNAP address 03 A2 A6 The MAC address is printed on the label of each SNAP device For a quick overview of
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