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User Manual deRFnode / deRFgateway Document Version V1.1 2011-07-15 User Manual Version 1.1 2011-07-15 deRFnode and deRFgateway Table of contents 1. Overview ......................................................................................................................... 6 2. Application ....................................................................................................................... 6 3. Features .......................................................................................................................... 6 3.1. Block diagram......................................................................................................... 7 3.2. Hardware selection table ........................................................................................ 7 3.3. Feature list ............................................................................................................. 8 4. Hardware selection examples ........................................................................................ 10 4.1. Battery powered nodes in a small wireless sensor network .................................. 10 4.2. 6LoWPAN tree-network application ...................................................................... 10 4.3. Point-to-Point connection for simple applications .................................................. 10 5. Technical data ............................................................................................................... 11 5.1. Mechanical ........................................................................................................... 11 5.2. Operation conditions............................................................................................. 11 5.3. Electrical............................................................................................................... 11 5.3.1. Operational ranges.................................................................................... 11 5.3.2. Current consumption ................................................................................. 12 6. Overview of platforms .................................................................................................... 14 7. Pin assignment .............................................................................................................. 17 7.1. Radio module interface......................................................................................... 17 7.2. Debug interface .................................................................................................... 20 7.3. JTAG for ARM ...................................................................................................... 21 7.4. JTAG for AVR....................................................................................................... 22 7.5. User Interface ....................................................................................................... 22 7.6. Jumper configuration ............................................................................................ 24 8. Board features ............................................................................................................... 25 8.1. Onboard sensors .................................................................................................. 26 8.1.1. Temperature sensor .................................................................................. 26 8.1.2. Ambient light sensor.................................................................................. 26 8.1.3. Acceleration sensor................................................................................... 27 8.2. LEDs and buttons ................................................................................................. 27 8.2.1. User LEDs ................................................................................................ 27 8.2.2. User buttons.............................................................................................. 28 8.3. USB interface ....................................................................................................... 28 8.3.1. Native USB only for ARM based radio modules ........................................ 29 8.3.2. USB serial for AVR based radio modules .................................................. 29 8.4. Ethernet................................................................................................................ 31 8.5. Power supply ........................................................................................................ 32 8.6. Supervisor ............................................................................................................ 34 8.7. Current measurement........................................................................................... 36 8.8. USB supply voltage monitoring ............................................................................. 36 8.9. Battery supply voltage monitoring ......................................................................... 37 dresden elektronik ingenieurtechnik gmbh Enno-Heidebroek-Str. 12 01237 Dresden / Germany Tel.: +49 351 – 31 85 00 Fax: +49 351 – 3 18 50 10 wireless@dresden-elektronik.de www.dresden-elektronik.de Page 2 of 56 User Manual Version 1.1 2011-07-15 9. deRFnode and deRFgateway Programming ................................................................................................................. 38 9.1. Requirements (HW/SW) ....................................................................................... 38 9.1.1. Source code and compiler toolchain ......................................................... 38 9.1.2. JTAG programming and adapter selection ................................................ 38 9.1.3. JTAG programming software .................................................................... 38 9.2. AVR based radio modules over JTAG .................................................................. 39 9.3. ARM based radio modules over JTAG.................................................................. 41 9.4. Software programming model ............................................................................... 42 9.4.1. Enabling the reset supervisor .................................................................... 42 9.4.2. Initialize and use I2C devices .................................................................... 42 9.4.3. Using the USB interface ............................................................................ 44 9.4.4. Measuring the battery voltage ................................................................... 45 9.4.5. Accessing the external flash...................................................................... 47 9.4.6. Initialize and use the Ethernet transceiver ................................................. 48 9.4.7. Minimize device power consumption ......................................................... 49 10. Ordering information ...................................................................................................... 52 11. Revision notes ............................................................................................................... 53 dresden elektronik ingenieurtechnik gmbh Enno-Heidebroek-Str. 12 01237 Dresden / Germany Tel.: +49 351 – 31 85 00 Fax: +49 351 – 3 18 50 10 wireless@dresden-elektronik.de www.dresden-elektronik.de Page 3 of 56 User Manual Version 1.1 2011-07-15 deRFnode and deRFgateway Document history Date Version Description 2011-04-15 1.0 Initial version 2011-07-15 1.1 Update feature list Mailing list Firm Division / Name DE Dev. / A. Palm Author / Check / Release Author Firm Division / Name DE Dev. / A. Palm Check Release dresden elektronik ingenieurtechnik gmbh Enno-Heidebroek-Str. 12 01237 Dresden / Germany Tel.: +49 351 – 31 85 00 Fax: +49 351 – 3 18 50 10 wireless@dresden-elektronik.de www.dresden-elektronik.de Page 4 of 56 User Manual Version 1.1 2011-07-15 deRFnode and deRFgateway Abbreviations Abbreviation Description ADC Analog to Digital Converter ARM Advanced RISC Machine. A kind of processor architecture. AVR Names a family of microcontrollers from Atmel. BOD Brownout-Detection CE Consumer Electronics DBGU Debug Unit. An UART dedicated to print debug traces – available on ARM microcontrollers only. EMAC Ethernet Media Access Controller FCC Federal Communications Commission FTDI USB to serial converter from FTDI GPIO Generals Purpose Input Output I2C Inter-Integrated Circuit, another name for TWI. LDO Low-Dropout (Regulator) JTAG Joint Test Action Group, defines a standardized interface for programming and debugging microcontrollers. µC, MCU Micro Controller (Unit) PCBA Printed Circuit Board Assembled PHY Physical layer, refers to the lowest possible layer in a layered communication model RF Radio Frequency RMII Reduced Media Independent Interface SMT Surface Mount Technology SPI Serial Peripheral Interface THT Through-Hole Technology Transceiver Transmitter / Receiver TWI Two-Wire Serial Interface U[S]ART Universal [Synchronous/]Asynchronous Receiver Transmitter USB Universal Serial Bus dresden elektronik ingenieurtechnik gmbh Enno-Heidebroek-Str. 12 01237 Dresden / Germany Tel.: +49 351 – 31 85 00 Fax: +49 351 – 3 18 50 10 wireless@dresden-elektronik.de www.dresden-elektronik.de Page 5 of 56 User Manual Version 1.1 2011-07-15 deRFnode and deRFgateway 1. Overview The deRFnode and deRFgateway are demonstration and application platforms for the AVR and ARM based dresden elektronik radio modules. They support AVR and ARM programming and communication over Serial, USB and Ethernet interface. Assembled environmental sensors supplies data for a huge bandwidth of user defined applications. 2. Application The main applications for the deRFgateway platform are: Coordinator and Router device for IEEE 802.15.4 compliant networks 6loWPAN nodes ZigBee® Gateway between IEEE 802.15.4 and IEEE 802.3 Wireless Sensor Networks The main applications for the deRFnode platform are: Stand-Alone End device for a IEEE 802.15.4 compliant network applicable as coordinator for small networks battery powered applications with a lifetime of several years 6loWPAN nodes ZigBee® 3. Features The main features of deRFnode and deRFgateway are: Compact size: 69 x 75 x 30 mm Supports AVR or ARM based dresden elektronik radio modules Variants for pluggable and solderable radio modules USB and Ethernet interface JTAG interface for AVR or ARM Serial debug interface Onboard Sensors: acceleration, temperature and luminosity Onboard 4Mbit Serial Flash Power Supply over USB, battery and 5V DC-Plug possible 2x buttons and 3x LEDs (free programmable) User interface with all important signals (2x17 pins connector) Switchable reset supervisor. Triggers on VCC