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EMX User Manual

1. In this case network settings will be taken from the hosting terminal server e g Internet Service Provider Important Note If the terminal server ISP does not require authentication credentials a user must use this type of communication anyway with any random user name and password Important The Ethernet port or WiFi cannot be used when using the GHI PPP Stack however an Ethernet cable or WiFi physical link can be traced This is available through GHI s NETMF library Example code is also included in the SDK SSL The NET Micro Framework includes an SSL stack to enable secure network communication The user must update the SSL seed through MFDeploy before using SSL MFDeploy Target Manage Device Keys Update SSL Seed Consult the NET Micro Framework documentation for more information about SSL 9 6 Graphics EMX Module supports 16Bit color displays The default resolution is 320x240 which matches the 3 5 PT0353224T A802 TFT display available on the EMX Development System Developers can use almost any digital TFT display This is accomplished by connecting HSYNC VSYNC CLK ENABLE and 16Bit color lines The color format is 5 6 5 5Bits for red 6Bits for green and 5Bits for blue If the display has more than 16Bits connect the MSB high Bits to EMX and the extra LSB low Bits to ground For developers wanting to connect VGA monitors EMX supports 640x480 actual 480x480 resolution
2. electronics oe EMX User Manual Rev 1 3 September 23 2011 User Manual 1C19 oT x WOD ueTseypeppequy 9717 s31u04129103 THO D OUR oan 7777613 irbeyardm TC2 4 T YT XH3 Ji CH N IC4 C14 C18 EI ROI Ris WY 3 C4 R17 S Ic12 T8 Rise E bk Bic C Di a R194 LONE IIS TE E i BT ROS C26 E NP AMET YA CM er ce ity O Te rw ww wr sw rU s EE Ica 36 EMX Module Top EMX Module Bottom Document Information Information Description Abstract This document covers information about the EMX Module specifications tutorials and references GHI Electronics LL C EMX User Manual Revision History Date Modification 09 21 11 Changed WiFi module information and various updates 03 10 11 Various updates 09 14 10 Updated In field update section 08 03 10 Updated power functions 07 21 10 Updated information for NETMF 4 1 04 28 10 Pin out table updated 04 26 10 Updated network section 04 02 10 Updates Fixes 03 05 10 First full version 03 02 10 Preliminary document Rev 1 3 Page 2 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual Table of Contents VANTRODUCHON eem etepniaaeass 4 1 1 What is Microsoft NET Micro Framework NETMF 4 1 2 NE TMF Por tig RE iier rer ti inre 4 1 3 GHl s NET Micro Framework Based Solutions 5 1 4 Whatis EMX Modul
3. A simple circuit is still needed to convert the 16Bit digital signals to analog RGB oolors If a higher resolution is required frame generator chips like Chrontel s CH7025 can be used Currently the highest supported resolution is 800x600 If your application requires a higher resolution please contact us Rev 1 3 Page 40 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX Module Features Refer to the EMX Development System schematic for more information about hardware design the backlight circuit TFT signal connections Refer to the Pin Out Description section for more information about TFT signals assignments to EMX hardware pins With EMX graphics support users can leverage the NET Micro Framework graphics features such as Windows Presentation Foundation WPF BMP GIF and JPEG image files Consult the NET Micro Framework documentation for more information on graphics support 9 7 Touch Screen Control EMX Module supports displays with a four wire resistive touch screen without the need for any additional hardware Refer to the Pin Out Description section for more information about touch screen signals YU YD XL XR assignments to EMX hardware pins Developers can support different kinds of touch screens and touch controllers if needed easily by writing a simple driver and expose the position parameters to touch screen methods 9 8 USB Client Device USB Clients device and USB Hos
4. Build Transport Build Events USB Y Debug Device Resources EMX EMX Reference Paths E Generate native stubs for internal methods NET Micro Framework Root name for native stub files 13 Press F5 Debug and you ll see how Visual Studio loads the application and runs it Visual Studio should pause at the breakpoint we placed in step 4 Rev 1 3 Page 29 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX firmware E public static void Main t 14 Make sure you have the Output window open If not you can open the Output window from View gt Output View Project Build Debug Data Tool E Code F7 i Ta Server Explorer Ctrl W L i CH Solution Explorer Ctrl W S Sj Class View Ctrl W C 1 Cd Code Definition Window Ctrl W D 3 95 Object Browser Ctrl W J D al dj Error List Ctrl W E Output Ctrl W O gt SF Properties Window Ctrl W P 15 Press F10 to step over Debug Print and watch the Output window The Output window should display Hello World Output Show output fron Launching em Microsoft Sl Microsoft Sl Microsoft Sl Hello World 16 Press F5 and the code will continue executing until it reaches the end of the program Adding GHI NETMF Library 1 Go to the Project tab and click Add Reference Rev 1 3 Page 30 of 52 www ghielectronics com GHI Electronics _LLC Build Debug Data Ag Add Class 1 cs Add New I
5. There are different CAN transceivers The most common one is dual wire high speed transceivers capable of transferring data up to 1MBit second Refer to the Pin Out Description section for more information about SPI signal assignments to EMX hardware pins This is available through GHI NETMF library One wire Through one wire a master can communicate with multiple slaves using a single digital pin One wire can be activated on any Digital I O on EMX This is available through GHI NETMF library 9 5 Networking TCP IP Networking is a crucial part of todays embedded devices The NET Micro Framework includes a full TCP IP stack with complete socket support for manged applications EMX networking implementation includes PPP WiFi Ethernet TCP IP SSL HTTP and Device Profile for Web Services MAC address setting Users can use MFDeploy to update the correct MAC address before the device is connected to a network Network settings can also be changed dynamically from the managed code Networkinterfacef netif Networkinterface GetAliNetworklnterfaces H Set new MAC address byte newMAC new byte 0x00 0x1A OxF1 0x01 0x42 OxDD netif 0 PhysicalAddress newMAC Rev 1 3 Page 37 of 52 www ghielectronics com GHI Electronics LL C Network Corfiguratior Siete P address Subas Mask Dz aul Gateway MAC edro3a DNS Frmary Address DFCP i2 153 gt 20N 255 255 255 0 182 153
6. Watchdog is used to reset the system if it enters an erroneous state The Watchdog is enabled with a specified timeout The user must keep resetting the Watchdog time counter within this timeout interval or otherwise the system will reset This is available through GHI s NETMF library Rev 1 3 Page 47 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual Advanced Users 10 Advanced Users The EMX Module is based on the NXP LPC2478 microcontroller With EMX s firmware register access feature advanced users familiar with NXP microcontrollers can manipulate the internal registers For example COM4 UART3 is capable of generating carrier frequencies This feature is not available by default but can be enabled using register access 11 EMX Design Consideration 11 1 Hardware The following peripherals are recommended to be exposed from the module in any design possibly hidden from the end user EMX access interface Serial COM1 pins 5 6 note TTL level USB Device pins 41 42 or both Up pin 7 down pin 3 and select pin 53 buttons LMODE pin J2 can be set to high or low high if left unconnected Important in case you need to change the access interface The recommended Ethernet connector is JO011D01BNL Refer to the EMX Development System schematic for more details about hardware design 11 2 Software When the EMX module is shipped do not assume what firmware is included The firmware has to
7. with 16Bit CRC error checking Keep on using TeraTerm software Transfer is initiated using the X command After the X command is entered the GHI boot loader will start sending back the C character continuously This C is an indicator that tells XMODEM a device is waiting for data Once you see the C character appearing on the terminal window you can select XMODEM transfer and point the software to the firmware file TinyBooter GHI Entering X command EMEEN GH m tart File Transfer CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC In the menu select File gt Transfer gt XMODEM gt Send Rev 1 3 Page 20 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual GHI Boot Loader Eie Edi Setup Control Window Help New connection Alt N Duplicate session Alt D Cygwin connection Alt G Log Comment to Log View Log Send file i E Transfer gt Kermit Change directory XMODEM Replay Log ZMODEM L Send A L Receive B Plus Quick VAN LogMeTT Print Alt P Disconnect Exit Next select the TinyBooter GHI file from GHI Electronics GHI NETMF SDK EMX Firmware TinyBooter a Tera Term XMODEM Send Lookin jj TinyBooter Name Date modif Type Version txt File name TinyBooter GHI Files of type au 7 Updating the firmware takes a few seconds to load Once loading has finished and the file is valid the new firm
8. 1 255 253 255 255 7 Eretle DNS Secondary Address 255 253 255 255 IP address DHCP or static EMX User Manual EMX Module Features DHCP dynamic IP and Static IP are supported when using Ethernet or WiFi on EMX If using dynamic IP EMX will not obtain IP lease at power up DHCP can only be enabled from software MFDeploy has a DHCP enable option but it has no effect on getting the IP lease on start up if netif O IsDhcpEnabled netif O RenewDhcpLease else netif 0 EnableDhcp Networkinterfacef netif Networkinterface GetAliNetworklnterfaces H Get an IP address from DHCP server Ethernet The EMX Module hardware includes an industrial Ethernet PHY along with the needed circuitry The Ethernet oscillator is controlled by the processor allowing the user to control its power consumption The designer only needs to wire the signals to the Ethernet connector The recommended Ethernet connector is J0011D01BNL Refer to the Pin Out Description section for more information about the Ethernet signal assignments to EMX hardware pins GHI Electronics supplies a dedicated MAC address for each EMX Module The MAC address printed out on a ROHS static Dissipative Polyimide label compatible with Surface Mount Technology Rev 1 3 Page 38 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX Module Features Wireless LAN WiFi IEEE 802 11b EMX provides WiFi support
9. 18 In Field Update This functionality allows devices that are deployed in the field to update their software automatically without external help This is very useful in remote and end users applications You can either update the entire device including GHI firmware files or update the managed application only Also this feature includes a managed C boot loader that the user will provide This is different from the GHI low level boot loader that already exists on the device This is available through GHI s NETMF library 9 19 Managed Application Protection Using the EMX library you can disable reading the deployed application on EMX This is useful if you need to protect your managed application against copying tampering or disassembling Although extensive testing is done on this feature GHI cannot guarantee or be held responsible for the possibility of hacking or bypassing protection This is available through GHI s NETMF library Rev 1 3 Page 46 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX Module Features 9 20 Runtime Loadable Procedure RLP A highly useful and unique feature in EMX is allowing users to load their own compiled native code C or assembly and run it directly through managed code This feature is similar to the use of DLLs on PCs RLP can be used to implement processing intensive and time critical routines This is available through GHI s NETMF library 9 21 Watchdog
10. 20 Runitime Loadable Procedure RLP 5 6 ee 46 RE e E 46 TO Advanced UssiSi sammas 47 TTUEMX design CODSIGerelOD DE 47 qd do datei E 47 E 3 M 47 TS EM Placements aa 48 Machine Placement rrr etn tern rrr rien 49 Appendix A MPBeploy TOO snarka ainmnean 50 Legal let cse 1 Licensing Disclaimer Rev 1 3 Page 3 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual Introduction 1 Introduction 1 1 What is Microsoft NET Micro Framework NETMF Microsoft s NET Micro Framework is a lightweight implementation of the NET Framework It focuses on the specific requirements of resource constrained embedded systems Supporting development in C and debugging on an emulator or the device both using Microsoft s Visual Studio The NET Micro Framework is also open source released under the Apache 2 0 license and completely free Developers already experienced with NET and Visual Studio can take advantage of their skills immediately reducing the learning curve The actual C application development process is completely shielded from the low level design details of the hardware platform Combining the benefits with off the shelf low cost network enabled embedded systems creates a rapid product development solution 1 2 NETMF Porting vs Using There are two sides to working with NETMF porting it and using it For example writing a JAVA gam
11. Companies Rev 1 3 Page 52 of 52 www ghielectronics com
12. EWR eene 34 Extended Week References EWI rentas 34 9 2 Debugging Interface Access Interface 34 9 9 Digital Inputs OWDI ie nie hepar i t eive REENEN 36 SAG smear METTE o S 36 Seral Pont VART E 36 SP lis AEE A EE A TE TEN 36 Table of Contents Ke 37 Ee 2r ONE WO casse tI dE RESO ID OD RO XO EROR O CO NO M SOT EOS 3T J ENSWIRHI TOPAR E 37 MAC address le e DEE or IP address DHCP ot stalic y ere tetas 38 Elea aimakis Po 38 Wireless LAN WiFi IEEE 802 11b rne 39 PPP TCP IP access through serial modems 40 lj e 40 GiGi Crap MGS m P 40 8 7 TOUCH Screen CONREEOL inae rini sonare rp aate yt aka 41 9 8 USB Client DEVICE esii rrr ern ater dra 41 USB cable connection detection enne 43 9 9 USB Host and Supported Class Drivers 43 9 10 Storage Devices SD USB MS File System SD MMG MemOlty t v tu intueri raihi tontnbx rri puse USB Mass Storage 8 11 Analog Inputs Oultp lts rre ettet tenent SIZ PWM r 9 13 Output Compare 9 14 Battery RAM 9 15 Power Control Hibernate Power Control 22 Hibernate JIO Rod TMS COOR EE 9 17 Processor Register ADCESS uisi mtr rere 9 18 In Field Update eee 9 19 Managed Application Protection 9
13. P0 26 107 ADC3 DAC ADC3 10Bit Analog to Digital Input or DAC Digital to Analog Output COM4 or Serial port UART RXD receive signal In for COM4 11 P0 23 108 ADCO ADCO 10Bit Analog to Digital Input Touch X Left or Touch Screen X axis Left analog signal 12 P4 29 109 N A General purpose digital I O 13 P4 28 1010 Piezo Piezo hardware control 14 P0 28 1011 I2C open drain pin I2C Interface SCL 15 P0 27 1012 I2C open drain pin I2C Interface SDA 16 P3 16 1013 PWMO PWMO Pulse Width Modulation Output LPC2478 PWM Timer 0 17 P3 24 1014 PWM1 PWM 1 Pulse Width Modulation Output LPC2478 PWM Timer 1 18 P3 25 1015 N A General purpose digital I O 19 P1 19 1016 N A General purpose digital I O 20 P2 21 1017 N A General purpose digital I O 21 P0 11 1018 N A General purpose digital I O 22 P2 22 1019 N A General purpose digital I O 23 P0 1 1020 CAN1 TD CAN Channel 1 Data Transmit pin Out 24 P0 10 1021 N A General purpose digital I O 25 P0 0 1022 CAN1 RD CAN Channel 1 Data Receive pin In 26 P1 30 N A USB VBUS USB device power detect signal Connect to power pin on USB device 27 P2 10 1023 N A General purpose digital I O 28 RTC_VBAT Connect to 3 3 volt backup battery to keep the real time clock running 29 USBD USB Host Feature USB negative data line of the USB hosting feature 30 USBD USB Host Feature USB positive data line of the USB hosting feature 31 P0 12 1045 ADC6 ADC6 10Bit Analog to Digital Input 32 P0 13 1046
14. USB serial port or Ethernet The Access Interface section provides the required information on how to access the EMX debugging interface Changing the debug interface might be necessary for some applications The default debug interface is USB but some application might need to use the USB Client feature to connect to PC as a different device for example as USB Storage In this case you should change the debug interface Rev 1 3 Page 34 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX Module Features Other access interfaces can be enabled using software Using GHI s library you can set the interface and it is saved So it will keep this setting after you reset the device Only TinyCLR Firmware and TinyBooter interfaces can be changed The boot loader cannot be changed using software You can force EMX to ignore the software settings and use LMODE pin to select the debug interface USB or COM1 This is helpful in case the incorrect settings are stored This is done by holding the Center and Down buttons upon start up Note that for Embedded Master the older version only holding Center and Down buttons will force the interface to COM because the LMODE pin is not available If you are not able to access the device after setting the debug interface for example it was set incorrectly you can reboot the device in boot loader mode erase and update TinyBooter and firmware again Software settings is done us
15. are ignored Interface Made Var Pani one Driver In GHI NETMF SDK GHI Settings EE 4 NETMF Interface Driver In GHI NETMF SDK GHI NETMF Interface Note 1 Up 104 Down 100 and Select 1030 button pins in addition to LMODE 1071 pin can still be used from managed code after EMX firmware boots up Note 2 On the EMX Development System the LMODE pin is pulled down low to the ground with 10K resistor R1 making USB the default access interface Users can change it back to serial by connecting LMODE to 3 3 volts or by removing R1 not recommended Emergency GHI Boot Loader Access EMX provides an emergency direct access to the GHI boot loader through COM1 which can be done Port by sending the character continuously and Bust quickly to COM1 on power up from terminal service software TeraTerm with the following settings Baud rate 115200 Bus width 8 bits e Parity none d Stop bits 1 bit Flow Control none Tera Term Serial port setup Data 8 bi Cancel Parity Help Stop Flow control none Transmit delay msecfchar 0 msecfline Other Interfaces You can set other access interfaces and even save them to the device using software In case problems occur for the access interface holding the center and down buttons upon start up will force EMX to ignore the software settings and use the LMODE pin as described above Rev 1 3 Page 18 of 52 www g
16. assignment to EMX hardware pins This is available through GHI s NETMF library 9 10 Storage Devices SD USB MS File System File System lets you create and manipulate files and folders on the connected SD and USB storage devices With NET Micro Framework V4 1 FAT32 and FAT16 are supported by NETMF The user should refer to the NET Micro Framework documentation for details on handling files and folders Note FAT32 and FAT16 formats are supported but FAT12 is not You can format your storage device on a PC with a FAT32 or FAT16 option before using on EMX Before using the storage devices and accessing them with NETMF the user must mount the file system first This is done using the EMX library provided with the SDK SD cards and USB storage devices are NOT mounted automatically Please refer to library documentation GHIElectronics NETMF IO PersistentStorage SD MMC Memory SD and MMC memory cards have similar interfaces EMX supports both cards and also supports SDHC over 2GB cards The interface runs at 4Bits when using SD cards and 1Bit when using MMC cards There are two smaller versions of SD cards mini SD and micro SD All three card sizes are identical as far as the interface All card sizes work with EMX Refer to the Pin Out Description section for more information about SD signals assignment to EMX hardware pins A user might be interested in mounting or unmounting the file system on the SD card automatically
17. be downloaded through an EMX access interface using MFDeploy starting with downloading TinyBooter If the user is using the in field firmware update feature without EMX access interface it would be a good idea to have an EMX access interface exposed in case of firmware update failure for example a power loss Rev 1 3 Page 48 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX design Consideration 11 3 EMX Placement The EMX Module was designed to be easily placed and soldered by machine or technician This image shows a manually soldered module Static sensitive precautions should take place when handling the modules EMX Module Pin outs rot 13 inland EMX Module Pin outs EMX Module Pin outs 11 s3100413913 IH ES OT Tet 25 1 28 1 9 1 Te te x i Ld HI D mmm mmm Ms pue rs EMX Module Pin outs Rev 1 3 Page 49 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX design Consideration Machine Placement When electrical components are machine placed they are under high temperature for a short time This is needed to reflow the components Devices that are not sealed from humidity should be baked before they are used in machine placement This is a standard procedure and EMX needs to go through this process as well Important Note The process of reflow can damage the EMX module if the temperature is too high or exposure is too long The s
18. core and the user managed application During boot up a user can interrupt the sequence to remain in boot loader TinyBooter or firmware by changing the state of the following signals on start up Pin 7 Pin 3 Pin 53 Description Up Button Down Button Select Button signal signal signal High or High or High or This indicates the user has no interference on boot up unconnected unconnected unconnected process and the system will boot in normal mode sequence Low Low Low Hold the system in the GHI boot loader mode access Low Low High or Hold the system in the TinyBooter mode access unconnected These pins are exposed on the EMX Development System to Up Down and Select buttons with a high default state In other words the pin is low when the button is pressed The following flow chart clearly explains the boot up sequence Rev 1 3 Page 15 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX on boot up System Power Up OQ Access GHI Boot Loader Wait for GHI boot loader Yes SA E e commands through terminal I du d service program Tera Term No Valid TinyBooter e g Update TinyBooter EMX Boot Up Sequence Flow Chart Rev 1 3 Page 16 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX on boot up 5 1 GHI Boot Loader vs TinyBooter vs EMX Firmware The following table lists the ma
19. device Press Ping and you should see this message E NET Micro Framework Deployment Tool Target Options Plug in Help Device Image file Pinging TinyBooter Bootloader build info GHI Electronics LLC 6 Now we can lead MFDeploy to the new EMX firmware files Click Browse and direct MFDeploy to the firmware HEX files These can be found under EMX firmware folder in the SDK The other files with sig extension must exist in the same folder Rev 1 3 Page 23 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual TinyBooter as the HEX files Select ALL of the HEX files at once and start deploying the firmware by pressing Deploy 88 MET Micro Framework Deployment Tool E Open 19 Ji EMX firmware gt Views v Favorite Links Date taken Name Urg E El Recent Places j i Computer TinyBooter CLR HEX CLR2 HEX Config HEX More Folders S d M ChipworkXSDK 1 Embedded Master SI M FEZ SDK GHI Drivers 3 M GHI NETMF SDK Ji EMS a firmware A TinyBooter LJ GHI Drivers zin File name Config HEX CLR HEX CLR2 HEX T 88 MET Micro Framework Deployment Tool Target Options Plug in Help Device e Joo d Image File C Program Files x85 GHI Electronics GHI NETMF SDKXEMX fmwareXCLR HEX C Program Files v Name Time Stamp CLR HEX MProgn 80 2 25 2010 3 30 49 PM CLR2 HEX AProgn Ba 2 25 2010 3 30 49 PM Config H
20. when an SD card is inserted or ejected To do this there is a pin on the SD card connector called Card Detect which works like a switch Connect this to a digital I O interruptPort on EMX and call mount or unmount appropriately USB Mass Storage USB mass storage devices such as USB hard drives or memory sticks are directly supported on EMX Please refer to library documentation GHI Electronics NETMF IO PersistentStorage Rev 1 3 Page 44 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX Module Features 9 11 Analog Inputs Outputs Analog inputs can read voltages from OV to 3 3V with 10Bit resolution Similarly the analog output can set the pin voltage from OV to 3 3V VCC to be exact with 10Bit resolution Although the pins are 5V tolerant the ADC multiplexing is not and this can cause wrong readings on the affected pin or other analog pins Please consult LPC24xx user manual for more details Refer to the Pinout Description section for more information about Analog input output assignments to EMX hardware pins This is available through GHI NETMF library 9 12 PWM The available PWM pins have built in hardware to generate the signals No resources are needed to generate PWM Note that some PWM pins share the same timer Changing one PWM frequency will affect the others PWMO and PWM 2 share the same timer PWM1 PWM3 PWM4 and PWM5 share the same timer This is available through GHI s NETMF libra
21. ADC7 ADC7 10Bit Analog to Digital Input 33 P1 31 1047 ADC5 ADC5 10Bit Analog to Digital Input 34 3 3V Connect to 3 3 volt source 35 P3 27 1048 PWM4 PWMA Pulse Width Modulation Output LPC2478 PWM Timer 1 36 GND Connect to Ground 37 3 3V Connect to 3 3 volt source 38 N C Not Connected Rev 1 3 Page 12 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual Pin Out Description Name No LPC2478 EMX IO 2 Feature EMX Module H W Name Pin Description 39 P3 26 1049 PWM3 PWMG Pulse Width Modulation Output LPC2478 PWM Timer 1 40 P3 17 1050 PWM2 PWM2 Pulse Width Modulation Output LPC2478 PWM Timer 0 41 USBD device USB negative data line of the USB debugging interface and for the USB client feature 42 USBD device USB positive data line of the USB debugging interface and for the USB client feature 43 Ethernet RD Ethernet receive data minus Recommended Ethernet connector is 44 Ethernet RD Ethernet receive data plus JO011D01BNL 45 Ethernet TD Ethernet transmit data minus Ethernet PHY is not needed since it is 46 Ethernet TD Ethernet transmit data plus SERIES 47 P0 18 1024 SPI1 SPI master bus interface MOSI signal Master Out Slave In for SPI1 48 P0 17 1025 SPI1 SPI master bus interface MISO signal Master In Slave Out
22. Development System is the official kit from GHI Electronics for the EMX module This kit exposes the various peripherals and interfaces that make it an ideal starting point for any NET Micro Framework project Furthermore most of the EMX module signals such as GPIO SPI and UART are accessible on a 0 1 header for rapid prototyping The EMX Development System Brochure and Pin outs Document provides for a more detailed view of this system 1048 1043 334 Pe Be Do W Bo ma Gro O 1032 RX0 IC ETTK gt SEK E TEZ SIE E 2 1088 Pun2 SO Detect 1048 Puri O 1046 007 1038 8TNS 1045 A06 1023 8TNL 19 10477008 1021 55 LT enu 1019 JR 105 02 gt 1018 075 om 1017 CG AN 1018 om e SA 174 PUNE CG e 1013 Pun8 108 MMC NU O mann lopment System V1 2 wuu GHIElectronics com GHI Electronics LLC Front View Rev 1 3 Page 7 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX Development System Ri Ga ooo Mew a E PTT TTT TTT BE Row e UM A e a ZAITIA 00000 ID x EE EE qtii a aw nl R C2 ae Oseo GHI Electronics LLC uuu GHIElectronics com Copyright c 2818 io m i4 GHI Electronics H X Back View Rev 1 3 Page 8 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX Module Architecture H W amp S W 3 EMX Module Architecture H W amp S W The EMX Module is a combin
23. EX MProgn 9 2 25 2010 3 30 49 PM Pinging TinyBooter Bootloader build info G Rev 3 Page 24 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual TinyBooter 7 Loading the files takes about a minute Upon completion the firmware will execute Double check the version number to make sure the correct firmware is loaded 8 Loading new firmware will not erase the deployed managed application If you need to erase the managed application click Erase Important Note If you see a message after updating the EMX firmware on the LCD or on the EMX access debugging interface stating you need to update the TinyBooter the TinyBooter version is not suitable for the current firmware In this case update the TinyBooter then update the EMX firmware again Rev 1 3 Page 25 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX firmware 8 EMX Firmware EMX firmware is the main piece of embedded software in the EMX Module which hosts a NET Micro Framework core with the required HAL drivers to provide the various EMX features a user can control with C A user deploys and debugs the managed application code directly on the EMX Module from Microsoft s Visual Studio through the EMX debugging interface The EMX on boot up section provides the required information on how to choose an access interface and how to access the EMX firmware The EMX firmware is different than the TinyBooter or GHI boot load
24. Emulator exe Managed Loade The thread 0x2 has exited with code 0 0x0 w how output from Debug Emulator Sample SampleEmulator exe Managed Loade Emulator Sample SampleEmulator exe Managed Loade Emulator Sample SampleEmulator exe Managed Loade Emulator cj Call Stack E Immediate Window Output Ln 10 is MFWindowApplication1 Running Microsoft Visual C 2008 Express Edition Administrator cj X File Edit View Project Build Debug Data Tools Window Help H ma D 3 Gel Hex E o CS Mo 23 0 E J Jm GHLssT39WF 168L ed m Eh 3e Bl TR a S SIG A z Program cs X Solution Explorer Solution MFWindowApplicatio 3 X ud Sample Emulator e Dd E Si E t MFWindowAppl gt v eau using Sys Insert Eject Emulator Serial Ports 24 Solution MFWindowApplication1 1 project LE x EZ MFWindowApplication1 a Properties ij References x O Resources c GPIOButtonInputProvider cs Program cs Gai Resources resx T Fal Sample SampleEmulator exe Managed Loade Col 54 Ch54 INS Rev 1 3 Page 33 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX Module Features 9 EMX Module Features The EMX firmware supports all the necessary features of NET Micro Framework version with all the required HAL and PAL drivers such as FAT File System The NET Micro Framework SDK includes full documentation and examples about the usa
25. In Out No 5 Bulk In Out Yes 6 Isochronous In Out Yes 7 Interrupt In Out No 8 Bulk In Out Yes 9 Isochronous In Out Yes 10 Interrupt In Out No 11 Bulk In Out Yes 12 Isochronous In Out Yes 13 Interrupt In Out No 14 Bulk In Out Yes 15 Bulk In Out Yes USB cable connection detection USB VBUS USB power can be connected through a protection resistor to any digital I O to detect the presence of a USB cable 9 9 USB Host and Supported Class Drivers USB Clients device and USB Hosts are completely different Many designers confuse USB when it comes to hosts and devices A USB Host is the master of the bus where all the work is done USB devices are simple compared to hosts and they can only connect communicate with a host and not other devices The USB host and device on EMX are two separate peripherals so there would be no conflict when using them both simultaneously The USB Host allows the use of USB Hubs USB storage devices joysticks keyboards mice printers and more With EMX supported class drivers you don t have to worry about the inner workings For USB devices that do not have a standard class low level USB access is supported The EMX Module contains a USB host and a USB client both can work simultaneously Rev 1 3 Page 43 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX Module Features Refer to the Pin Out Description section for more information about USB Host signals
26. Mhz ARM7 32Bit processor is the core of the EMX Module The LPC2478 contains a memory acceleration interface with 128Bit internal FLASH memory This lets the processor core run with zero wait states Comparing to executing code from 16Bit external FLASH we see over 10 times the execution speed The internal FLASH is 0 5MB that is used to run the complete NET Micro Framework core very efficiently Also the processor includes an RTC that can operate while while the processor is off The EMX Module already has the needed circuitry to run the RTC Users only need to add a battery or a super capacitor to VBAT pin Further more the LPC2478 has a wide range of peripherals that adds a lot of functions and features to EMX such as PWM GPIO LCD Controller USB HC etc 3 3 SDRAM 16MB of SDRAM comes standard with EMX Module 3 4 FLASH 4MB of external flash is available on EMX Modules This doesn t include the 0 5MB internal flash used for Micro Framework CLR execution External flash is used for system assemblies boot loader user deployment and EWR storage About 1MB of the external FLASH is used for boot loader system assemblies and other internal GHI resources About 3MB is reserved for deployed managed applications including resources 256KB is reserved for two EWR Extended Week References regions each region being 128KB and one of them is reserved for CLR use 3 5 Ethernet PHY The EMX Module hardware includes an industrial Ethernet PHY
27. PC serial port an RS232 level converter is required One common converter is MAX232 Note If the serial port is connected between two TTL circuits no level converter is needed but they should be connected as a null modem Null modem means RX on one circuit is connected to TX on the other circuit and vice versa Refer to the Pin Out Description section for more information about UART signals assignment to EMX hardware pins SPI EMX supports two SPI interfaces SPI1 and SPI2 SPI Bus is designed to interface multiple SPI slave devices the active slave is selected by asserting the Chip Select line on the relative slave device Rev 1 3 Page 36 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX Module Features Refer to the Pin Out Description section for more information about SPI signals assignments to EMX hardware pins LC I2C is a two wire addressable serial interface EMX supports one master I2C port Refer to the Pin Out Description section for more information about I2C signals assignments to EMX hardware pins CAN Controller Area Network is a common interface in industrial control and automotive CAN is remarkably robust and works well in noisy environments All error checking and recovery methods are done automatically on the hardware TD Transmit Data and RD Receive Data are the only pins needed These pins carry out the digital signals that need to be converted to analog before it can be used
28. T Hardware reset signal Reset state is on Low T1 P2 12 1069 LCD RO TFT Display Red signal bit 0 T2 P2 6 1065 LCDR1 TFT Display Red signal bit 1 T3 P2 7 1066 LCDR2 TFT Display Red signal bit 2 T4 P2 8 1067 LCD R3 TFT Display Red signal bit 3 T5 P2 9 1068 LCD R4 TFT Display Red signal bit 4 T6 P1 20 1051 LCD GO TFT Display Green signal bit 0 T7 P1 21 1052 LCD G1 TFT Display Green signal bit 1 T8 P1 22 1053 LCD G2 TFT Display Green signal bit 2 T9 P1 23 1054 LCD G3 TFT Display Green signal bit 3 T10 P1 24 1055 LCD G4 TFT Display Green signal bit 4 T11 P1 25 1056 LCD G5 TFT Display Green signal bit 5 T12 P2 13 1070 LCD BO J TFT Display Blue signal bit 0 T13 P1 26 1057 LCDB1 TFT Display Blue signal bit 1 T14 P1 27 1058 LCD B2___ TFT Display Blue signal bit 2 Rev 1 3 Page 13 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual Pin Out Description Name No LPC2478 EMX IO 2 Feature EMX Module H W Name Pin Description T15 P1 28 1059 LCD B3 TFT Display Blue signal bit 3 T16 P1 29 1060 LCD B4 TFT Display Blue signal bit 4 T17 P2 2 1061 LCD CLK TFT Display Clock T18 P2 4 1063 LCDEN TFT Display Enable T19 P2 5 1064 LCD TFT Display Horizontal sync H Sync T20 P2 3 1062 LCD TFT Display Vertical sync V Sync J1 ALARM _ The alarm pin is an RTC controlled output This is a 1 8 V pin J2 P3 23 1071 LMODE General purpo
29. access it through Microsoft Visual C to deploy execute and debug the managed NETMF application through the debugging interface Users can access it using Microsoft NETMF MFDeploy tool to maintain the firmware or application code region Very compact to accomplish only the flash memory and firmware maintenance functions Compact enough to handle the assigned functions Highly sophisticated with NET Micro Framework and requires HAL and PAL drivers to provide the various EMX features The next sections provide more details Rev 1 3 Page 17 of 52 www ghielectronics com EMX User Manual EMX on boot up GHI Electronics LL C 5 2 EMX Access Interface The access interface is defined as the EMX Module s hardware interface used by the user s station to access EMX s GHI boot loader TinyBooter and EMX Firmware TinyCLR With EMX the access interface can be USB or Serial Port COM1 which is a UART interface The hardware designer chooses between these two interfaces by setting wesetting LMODE pin using a 10K pull up or pull down resistor LMODE High or unconnected Low Serial Port COM1 TTL levels H W Access Interface USB Client Driver In GHI NETMF SDK GHI EMX Firmware TinyCLR Stop bits 1 bit Flow Control none GE No diver need d Bootloader a evice Virtual Serial port serial port settings Drivers and pon os ae baud rate bus width etc
30. along with the needed circuitry The Ethernet oscillator is controlled by the processor allowing the user to control it s power consumption The designer only needs to wire the signals to the Ethernet connector The recommended Ethernet connector is J0011D01BNL 3 6 Runtime Loadable Procedure RLP A highly useful and unique feature in EMX is allowing users to load their own compiled native code C or assembly and run it directly through managed code This feature is similar to the use of DLLs on PCs RLP can be used to implement processing intensive and time critical routines Rev 1 3 Page 10 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual Pin Out Description 4 Pin Out Description The LPC2478 72Mhz ARM7 32Bit processor is the core of EMX The processor has a wide range of peripherals that add a lot of functions and features to EMX such as PWM GPIO USB HC LCD Controller etc Most signals on EMX are multiplexed to offer more than one function for every pin It is up to the developer to select which one of the functions to use GHI drivers and NET Micro Framework does checking to make sure the user is not trying to use two functions on the same pin The developer should still understand what functions are multiplexed so there is no conflict For example analog channel 3 ADC3 and the analog output AOUT are on the same pin 107 Either function can be used but not both of them simultaneously See the Advanced Us
31. ation of hardware ARM Processor Flash RAM Ethernet PHY etc that hosts Microsoft s NET Micro Framework with various PAL HAL drivers In addition to the benefits of the NET Micro Framework EMX includes exclusive software and hardware features such as support for USB host PPP networking and more The small 1 55 x1 8 module contains everything needed to run the NET Micro Framework We also designed the module to be incredibly flexible while keeping costs low Applications ranging from simple data loggers to high end security systems and industrial controls can be created The module is a sophisticated piece of hardware developed with a complex 8 layer BGA design This complexity provides the end user with a remarkably simple platform to implement in any hardware design Looking at the EMX Development System schematic shows just how simple it really is All you need is 3 3 volts and some connections to bring the latest technologies to your products 3 1 Block Diagram EMX Module Hardware User Runtime Loadable Procedure compiled C or assembly region User Managed Code 4 5MB Flash NET Micro Framework CLR LPC2478 72 MHz ARM7 Peripherals Digital IOs Interrupts PWM A D q USB HC USB Device MCI LCD Controller Ethernet Controller etc Rev 1 3 Page 9 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX Module Architecture H W A S W 3 2 LPC2478 Microcontroller The LPC2478 72
32. der mode and forces running TinyBooter H Returns the hardware version e g X11 EMX 1 1 B Changes the baud rate to User needs to change the baud rate on the terminal service 921600 accordingly Serial Port access interface only 6 2 TinyBooter Update through GHI Boot Loader At power up the GHI boot loader takes over the processor and validates the TinyBooter stored in FLASH If the TinyBooter was found and is valid execution is transferred to TinyBooter More information about TinyBooter is available in these sections EMX On Rev 1 3 Page 19 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual GHI Boot Loader Boot up and TinyBooter section Usually a user would never need to update the TinyBooter as it is not used in the final application but for very rare cases especially when changing to a different NET Micro Framework version e g 3 0 to 4 0 or when it is mentioned in the release notes of a new GHI NETMF SDK to update the TinyBooter there is a way to update it through the GHI boot loader First it is better to start fresh before loading the new firmware 1 Access the boot loader using TeraTerm as explained earlier in EMX on boot up section 2 Erase the flash memory using E command then press Y to confirm this will take several seconds 3 Loading new firmware is simple but it requires a terminal that supports XMODEM file transfer XMODEM has many versions GHI boot loader requires 1K transfers
33. e eire irri rhe euer 5 1 5 Extended Features with EMX Module 6 1 5 EMX Module Key Featles riter onset rre ak a 6 1 7 Example TE tiv mate nS e FO UE SEHE penis 6 2 EMX Development Sy Ste esnin a T 3 EMX Module Architecture HAN amp GAN 9 3 1 Block BJF 10 514 1 A eet eir terraa cha deg AE 9 3 2 62478 Microcontroller oosa corpi rris st ete entere s aoi 10 BiB SDA 10 BA AFA lel M 10 En curd M em 10 3 6 Runtime Loadable Procedure RLP 10 A Pin Out Deen uii sicot ta ente esrb asa n 4 1 EMX Module Pin out Table 2 errore 12 5 EMX on boot UP e Seie dere 15 5 1 GHI Boot Loader vs TinyBooter vs EMX Firmware 17 5 2 EMA Access Merla eiai nersidin ansia 18 Emergency GHI Boot Loader Access eee 18 Other Interfaces ciiin cos eret tiens 18 Pelo Boot LOAM Ol p M 19 6 1 GHI Boot Loader Comnmman ds eren sa 19 6 2 TinyBooter Update through GHI Boot Loader 19 DM so T 22 7 1 EMX Firmware Update Through TinyBooter 22 Kee 26 8 1 Getting Started with EMX sisisi 26 All YOu need d TEEN 26 First ET osos eoe o ROS aD CHOROS ORO S 27 Adding GHI NETMF uinci 30 tx A dicito egene eebe 33 9 EMX Module Feal tes ottiene er rr reprae 34 9 1 Application Flash RAM
34. e on a cell phone is much easier than porting the JAVA virtual machine JVM to the phone The phone manufacturer did all the hard work of porting JAVA to their phone allowing the game programmers to use it with ease NETMF works the same way porting is not easy but using it is effortless NETMF can be split into two major components the core CLR Common Language Runtime and HAL Hardware Access Layer The core libraries are made so they are hardware independent Usually no modifications are needed on the core libraries A developer porting NETMF for a hardware platform will need to make the HAL to handle interfacing the hardware control to upper layers According to GHI s own experience with NETMF porting it is not feasible to work on porting NETMF to your new hardware in case you are targeting medium or low quantities annually less than 100 000 units A faster to market option is by using one of the available OEM modules chipsets These OEM devices have everything you need built in the hardware and software Rev 1 3 Page 4 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual Introduction 1 3 GHI s NET Micro Framework Based Solutions With GHI Electronics you re getting an experienced partner that offers a wide range of NET Micro Framework hardware and software capabilities using the various drop in modules chipsets such as ChipworkX Embedded Master EMX and USBizi In addition our free unlimited support is a
35. er The GHI boot loader vs TinyBooter vs EMX firmware section lists the features and properties of each piece of software Users can update EMX firmware through the TinyBooter Refer to the TinyBooter to learn how to update the Firmware EMX firmware can be updated with In Field Update feature The end user software interface that communicates with EMX firmware is MFDeploy which comes with Microsoft s NET Micro Framework SDK and Microsoft s Visual CH with installed NET Micro Framework SDK 8 1 Getting Started with EMX The objectives of this section are to provide simple steps to setup your EMX based system on your PC so you are ready to develop your application on Visual Studio C with the NET Micro Framework All you need to start up An EMX based system such as the EMX Development System or your own custom hardware design USB cable Microsoft Visual Studio 2010 or Microsoft Visual C Express 2010 free download installed with the latest updates Microsoft NET Micro Framework SDK Version 4 1 Latest GHI NETMF SDK available on GHI Electronics website If you got a new EMX Development System it is recommended that you update the EMX firmware and the TinyBooter if needed using the files available in the latest GHI NETMF SDK within EMX folder before you start these steps The suggested access interface in these steps is USB the default on EMX Development System Rev 1 3 Page 26 of 52 www ghielectronics com GHI E
36. ers section for more details The schematics of EMX Development System board should be used as a reference design Advanced details on oscillator and power tolerance can be found in the LPC2478 datasheet from NXP website Digital I O pins are named IOxx where xx is an assigned number Rev 1 3 Page 11 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual Pin Out Description 4 1 EMX Module Pin out Table EMX Module is based on LPC2478 from NXP Name No LPC2478 EMX IO 2 Feature EMX Module H W Name Pin Description 1 3 3V Connect to 3 3 volt source 2 GND Connect to Ground 3 P0 4 100 CAN2 RD CAN Channel 2 Data Receive pin In and TinyBooter Firmware Down Button Down Button Check hardware design consideration 4 P0 5 101 CAN2 TD CAN Channel 2 Data Transmit pin Out 5 P0 3 102 COM1 Serial port UART RXD receive signal In for COM1 6 P0 2 103 COM1 Serial port UART TXD transmit signal Out for COM1 7 P2 5 104 UP Button General purpose digital I O and TinyBooter Firmware Up Button Check hardware design consideration 8 P0 24 105 ADC1 ADC1 10Bit Analog to Digital Input Touch Y UP Jor Touch Screen Y axis Up analog signal 9 P0 25 106 ADC2 ADC2 10Bit Analog to Digital Input COM4 or Serial port UART TXD transmit signal Out for COM4 10
37. for SP11 49 P0 16 1026 N A General purpose digital I O 50 P0 15 1027 SPI1 SPI master bus interface SCK signal Clock for SPI1 51 P4 23 1028 COM3 Serial port UART RXD receive signal In for COM3 52 P4 22 1029 COM3 Serial port UART TXD transmit signal Out for COM3 53 P2 11 1030 Select Button General purpose digital I O and TinyBooter Firmware Select Button Check hardware design consideration 54 P3 30 1031 COM2 Serial port UART RTS hardware handshaking signal for COM2 55 P2 1 1032 COM2 Serial port UART RXD receive signal IN for COM2 56 P0 6 1033 N A General purpose digital I O 57 P3 18 1034 COM2 Serial port UART CTS hardware handshaking signal for COM2 58 P0 7 1035 SPI2 SPI master bus interface SCK signal Clock for SPI2 59 P0 9 1036 SPI2 SPI master bus interface MOSI signal Master Out Slave In for SPI2 60 P2 0 1037 COM2 Serial port UART TXD transmit signal Out for COM2 61 P0 8 1038 SPI2 SPI master bus interface MISO signal Master In Slave Out for SPI2 62 P1 12 1039 SD DAT3 SD card 4Bit data bus data line no 3 63 P1 11 1040 SD DAT2 SD card 4Bit data bus data line no 2 64 P1 7 1041 SD DAT1 SD card 4Bit data bus data line no 1 65 P1 2 1042 SD CLK SD card 4Bit data bus clock line 66 P1 6 1043 SD DATO GD card 4Bit data bus data line no 0 67 P1 3 1044 SD CMD GD card 4Bit data bus command line 68 SD_PWR SD memory power connect directly to SD socket power pin 69 GND Connect to Ground 70 RESE
38. ge of these features with the related libraries Furthermore EMX supports other exclusive GHI hardware and software features such as USB host PWM ADC and DAC The SDK includes the required library files with full documentation and examples about the usage of these features with the related libraries The following sections clarify necessary guidelines about EMX features 9 1 Application Flash RAM EWR 4MB of external flash is available on EMX Modules This doesn t include the 0 5MB of internal flash used for the Micro Framework CLR execution External flash is used for system assemblies boot loader user deployment and EWR storage About 3MB is reserved for deployed managed applications including resources 16MB of SDRAM comes standard with the EMX Module Enough for applications using the NET Micro Framework and SideShow Extended Weak References EWR EWR is a way for managed applications to store data on non volatile memory Consult the NET Micro Framework documentation for more details 256KB of flash memory is reserved for EWR If more storage is needed SD memory cards and or USB memory devices can be used EWR does not work with removable media devices 9 2 Debugging Interface Access Interface The Access Interface with EMX firmware is usually named NETMF debugging interface which is the communication interface between the EMX firmware and the application code terminal Visual C debugger It can be configured as
39. h the TinyBooter using MFDeploy 7 1 EMX Firmware Update Through TinyBooter The objective of this section is to provide simple steps to access the TinyBooter on your EMX based system from your PC so you will be ready to update the EMX firmware using MFDeploy In the following steps it is assumed that the user is using the USB access interface with the GHI NETMEF interface driver installed Refer to the EMX access interface section for more details 1 First install the latest GHI NETMF SDK which includes the EMX firmware 2 Ensure there is no need to update the TinyBooter This information is usually mentioned in the GHI NETMF SDK release notes If a new TinyBooter is needed update the TinyBooter then update the EMX firmware 3 Press and hold down the Up and Down buttons then press and release Reset button Once you see the TinyBooter mode on the LCD you may release the Up and Down buttons Refer to the EMX on boot up section to learn about the boot up Rev 1 3 Page 22 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual TinyBooter sequence 4 Run MFDeploy and select USB from the Device list you should see EMX EMX in the drop down list E NET Micro Framework Deployment Tool Target Options Plug in Help Device EMX EMX Image File Browse Deploy Base Address Size Time Stamp 5 Check the communication between MFDeploy and the TinyBooter by pinging the
40. hielectronics com GHI Electronics LL C EMX User Manual EMX on boot up Please see debug interface section for details 6 GHI Boot Loader The EMX Boot Loader is software developed by GHI and is included on all EMX Modules It is used to update the EMX TinyBooter or for low level EMX flash maintenance The GHI boot loader accepts simple commands in ASCII characters sent with help of a terminal service software TeraTerm Thus the user sends the desired command character and the boot loader performs an action The results are returned in a human friendly format followed by a BL indicating that the boot loader is ready for the next command EMX on boot up section provides the required information on how to choose the access interface and how to access the GHI boot loader The GHI boot loader is different than the TinyBooter or EMX firmware The GHI boot loader vs TinyBooter vs EMX firmware section lists the features and properties of each piece of software 6 1 GHI Boot Loader Commands CMD Description Notes V Returns the GHI Loader Format X XX version number e g 1 06 E Erases the Flash memory Confirm erase by sending Y or any other character to abort except the boot loader region This command erases EMX firmware and the user s application region X Loads the new TinyBooter file TinyBooter Update section explains this command process in more detail R Runs firmware Exits GHI boot loa
41. icating loaded files MFDeploy uses public private keys to verify files This is a good feature for companies who want to make sure they are the only ones who can load applications on the system MFDeploy documentation explains this feature in details Rev 1 3 Page 51 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual Legal Notice Legal Notice Licensing The EMX Module is fully licensed for commercial use The Module price covers the commercial use of the EMX Module with NET Micro Framework Disclaimer IN NO EVENT SHALL GHI ELECTRONICS LLC OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS PRODUCT EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT ANY NOTICE GHI ELECTRONICS LLC LINE OF PRODUCTS ARE NOT DESIGNED FOR LIFE SUPPORT APPLICATIONS EMX is a Trademark of GHI Electronics LLC NET Micro Framework Visual Studio MFDeploy Windows Vista Windows SideShow are registered or unregistered trademarks of Microsoft Corporation Other Trademarks and Registered Trademarks are Owned by their Respective
42. in Out Description section for more information about the USB device signal assignments to EMX hardware pins Important Notes Be CAREFUL when changing the USB configuration and settings as you go on with development and creating your USB device and connecting it to the PC Windows might save the device information in its registry Therefore if you change the USB device settings interfaces and connect it again it might not work properly Make sure to be careful with changing your USB device settings You may also need to delete all the settings from Windows registry manually By default the Micro Framework debug interface is USB If you need to use the USB Client feature to build a USB device you should select a different debug interface first COM1 Make sure to select 64 bytes as the bMaxPacketSize0 in the Device Descriptor EMX uses LPC2478 as the core processor which has a fixed endpoint configuration and the user must comply with these restrictions otherwise the USB device configuration will be refused by EMX Here s a table of how the endpoints are assigned LPC24xx user manual has complete reference Rev 1 3 Page 42 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX Module Features Endpoint Endpoint Direction Double Number Type Buffer 0 Control In Out No Interrupt In Out No 2 Bulk In Out Yes 3 Isochronous In Out Yes 4 Interrupt
43. ing GHI NETMF library under GHlElectronics NETMF Hardware Configuration Rev 1 3 Page 35 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX Module Features 9 3 Digital Inputs Outputs All Digital IO pins are 3 3V and 5V tolerant This means that signals coming from other circuits can be 5V e g connecting EMX to a 5V microcontroller All pins support input and output with pull up and pull down resistors Refer to the Pin Out Description section for more information about Digital I O assignment to EMX hardware pins Most digital I O pins are interrupt capable Interrupt pins asynchronously call functions in managed applications Interrupts can be activated on rising or falling edges with an optional glitch filter Enabling interrupts for both rising and falling edges is supported but in this case the glitch filter is disabled Interrupt capable pins are marked in the pin out table Important Note Inputs are 5V tolerant but EMX cannot be powered by 5 volts 9 4 Serial Peripherals Serial Port UART One of the oldest and most common protocols is UART or USART EMX hardware exposes four UART ports Serial Port LPC2478 UART Hardware Handshaking COM1 UARTO Not Supported COM2 UART1 Supported COM3 UART2 Not Supported COM4 UART3 Not Supported Important Note Serial port pins have 3 3V TTL levels where the PC uses RS232 levels For proper communication with RS232 serial ports
44. ject with the Console Application template This is the simplest application that can be loaded All it does is print a string to the debug output Name your project MyConsoleApp Console Application K l Window Application 9 Visual Studio will now generate all the needed project files One of the files is called Program cs open it Solution Explorer Solution ag IS A Solution MyConsoleApp E MyConsoleApp G i Properties H aj References a Ea Resources resx EJ 10 Place a breakpoint on the Debug Print line You can do this by clicking on the line and pressing F9 Rev 1 3 Page 28 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX firmware public static void Main Debug Print Resources GetString Res 11 Compile the application There should be no errors 12 Go to the menu and select Project gt MyConsoleApp Properties and in the new window select the NET Micro Framework tab In the tab there are options for deployment Select USB from the Transport drop down list and select EMX EMX from the Device drop down Project Build Debug Data Tools vi Add Class Shift Alt C k jul Add New Item Ctrl Shift A k Add Existing Item Shift Alt A Exclude From Project Show All Files F Add Reference 1 Set as StartUp Project MyConsoleApp Properties a Application Deployment
45. jor properties of each software GHI Boot Loader EMX TinyBooter EMX firmware Used to update EMX TinyBooter or for low level EMX flash maintenance Used to update the EMX firmware maintenance application code region get system information and to update system configurations such as networking settings Used to deploy execute and debug the managed NETMF application code In other words it plays the role of a virtual machine Emergency use or when GHI releases a new TinyBooter frequently used always used Pre burnt on the chipset s flash memory The user can download to EMX Module through GHI boot loader for instance The user can download to EMX Module through TinyBooter for instance Fixed and can not be updated Latest file is included with every GHI NETMF SDK not necessarily changed in every new SDK Latest file is included with every GHI NETMF SDK not necessarily changed in every new SDK Access interface can be USB or COM1 serial port on EMX Module Access Interface debugging interface can be USB or COMI serial port Access Interface debugging interface can be USB Ethernet or COM1 serial port User interface is a simple command line interface through any terminal service software such as TeraTerm or Hyper Terminal User access it through MFDeploy tool to maintain firmware configurations networking USB and application code region Users
46. lectronics LLC EMX User Manual EMX firmware First Power up 1 2 3 Install the latest Microsoft NET Micro Framework SDK Version 4 1 Install the latest GHI NETMF SDK LMODE Low Skip this step if you are using the EMX Development System since LMODE is pulled down low on this development system Up down and select buttons are high or unconnected Leave the up down and select buttons unpressed on the EMX Development system to accomplish this step Power up the system connect with USB cable 6 Run the MFDeploy tool and choose USB from the Device list and you ll see E NET Micro Framework Deployment Tool EMX EMX appear in the drop down list Target Options Plug in Help Device USB v SORSUN 1 Browse Deploy Base Address Size Time Stamp Pe Note If you did not see that string you may have a different default debugging interface you might have installed the driver incorrectly or the processor is shutdown Press Ping on MFDeploy It should return TinyCLR This verifies that the board is responsive Be sure to review the MFDeploy description in appendix A Rev 1 3 Page 27 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX firmware E NET Micro Framework Deployment Tool Target Options Plug in Help Device Image File id TinyCLR 8 Open Visual Studio and start a new Micro Framework pro
47. lity the debug output will show these errors This is useful for debugging certain applications Note If you Connect through MFDeploy you cannot deploy using Visual Studio anymore MFDeploy must be disconnected or closed first and then you can go back to Visual Studio Only one of these two programs can be connected to your platform at one time Rev 1 3 Page 32 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual 8 2 EMX Emulator EMX firmware The NET Micro Framework has a powerful emulator that can be extended or changed to suite the developer s needs This is very useful as you can do most of the development and testing before building the actual hardware EMX has an emulator available that maps the buttons and LCD dimensions as provided on the Development System However support for the extended features provided by GHI PWM USB Host etc are not supported in the emulator Using any of these extended features will result in an error on the emulator A user can choose the emulator from the Device list in Visual studio project properties using Micd using Micy using Micd using Micd namespace publid Hello World lt Watch 40 Sl Locals gg Watchl Ready Microsoft SPOT Microsoft SPOT Microsoft SPOT Microsoft SPOT Microsoft SPOT Emulator Sample SampleEmulator exe Managed Loade Microsoft SPOT Emulator Sample Sample
48. n of the GHI library and an older or incorrect version of the firmware is running on your hardware This is simply resolved by upgrading the firmware to the one included in your SDK and making Rev 1 3 Page 31 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX firmware sure the Added Reference is from the SDK as well MFDeploy is helpful to investigate these errors as explained next Using MFDeloy you can see any debug messages exceptions or errors from your device Make sure Visual Studio is not in debug mode or close it Open MFDeploy and make sure you can ping as explained in previous steps Now Click on Target gt Connect amp E MET Micro Framework Deployment Tool Target Options Plug in Help Application Deployment gt Manage Device Keys gt Configuration gt Device Capabilities Ctrl Shift C Disconnect Ctrl F5 Now reset your hardware and click ping You will see the debug output of what the device is doing for example loading assemblies and any debug messages printed by your application Attributes 48 bytes 6 elements TypeSpec 16 bytes 4 elements Resources Files 96 bytes 4 elements Resources 320 bytes 40 elements Resources Data 1197 bytes Strings 1305 bytes Signatures 2637 bytes ByteCode 10729 bytes Ready Hello World Done Waiting for debug commands In case the program did not run because of incompatibi
49. oldering profile used on the lead free development system is available for reference Rev 1 3 Page 50 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual Appendix A MFDeploy Tool Appendix A MFDeploy Tool Name i Gi MFDeploy chm MFDeploy is a free tool from Microsoft that helps you deploy BE MFDeploy exe Microsoft s NET Micro Framework applications to your E MFDeploy exe config hardware devices MFDeploy makes it easy for you to upgrade MFDeployEngine dli the firmware you are developing to your hardware MFDeploy is Microsoft SPOT Debug available in the NETMF SDK Microsoft NET Micro Framework vx 0 folder Tools MF Deploy exe Detailed documentation about MFDeploy is available under the NET Micro Framework Help MFDeploy Microsoft Visual Studio 2008 Documentation Microsoft Document Explorer Administrator File Edit View Tools Window Help Q Back i A How Dol Q Search index 45 Contents E Help Favorites 45 J MSDN Forums vA _ 3X MFDeploy Search X ADR URL ms help MS VSCC v90 MS VSIPCC v90 MS NETMF v30 1033 MS NETMF PSDK v30 1033 PSDK SDK MI MET Micro Framework Z Contents MET Micro Framework Platform SDK E NET Micro Framework Development MFDeploy NET Micro Framework Platform SDK El Collapse All Legal Notice The MFDeploy tool helps you copy Microsoft amp NET Micro Framework applications to your What s New in the NET Micro Framew
50. omplete set of NET Micro Framework features such as TCP IP SSL FAT USB device and more Including support for other exclusive GHI features such as full USB host stack CAN ADC DAC PPP GPRS 3G etc EMX also allows developers to load their own compiled native code EMX includes protection against firmware or user application piracy 1 6 EMX Module Key Features N e 0 0 0 0 e 8 0 NET Micro Framework 76 GPIO Pins 72Mhz 32Bit Processor 39 Interrupt Inputs 16MB RAM 2 SPI 8 16bit 4 5MB FLASH I2C Embedded LCD controller 4 UART 2 CAN Channels 7 10Bit Analog Inputs 10Bit Analog Output 4Bit SD MMC Memory card interface Embedded Ethernet PHY with fast DMA communication Runtime Loadable Procedure Full TCP IP Stack Web Services 6 PWM SSL 160 mA current consumption with ZG2100 WiFi Driver everything enabled PPP GPRS 3G e 40mA Hibernate Mode DPWS e 40 C to 85 C Operational Embedded USB host device e RoHS Lead Free Example Applications Designs with intensive processing or time critical routines using RLP Vending machine Measurement tool or tester Network server device Robotics GPS navigation Medical instrument with a color touch screen display Central alarm system Smart appliances Industrial automation devices Windows SideShow devices Rev 1 3 Page 6 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX Development System 2 EMX Development System The EMX
51. ork Platform SDK hardware devices MFDeploy makes it easy for you to deploy or upgrade the firmware you are Quick Start Guide developing to your hardware H Overviews of the NET Micro Framework A 6 API Reference for NET Micro Framework In This Section 5 Tools Legal Notice Extensible Emulator This section provides a list of trademarks or registered trademarks of Microsoft Corporation that MFDeploy appear in this documentation Legal Notice MFDeploy Overviews The MFDeploy tool copies applications to NET Micro Framework devices A production E MFDeploy Overviews environment tool MFDeploy also enables you to test a device s responsiveness create a standard 6 MFDeploy References application deployment for multiple devices manage application signing and perform select amp amp TFConvert debugging tasks 1 Samples MFDeploy References F The MFDeploy class library contains the functionality you need to deploy code to NET Micro Glossary Framework devices namespaces from within your own applications 2009 Microsoft Corporation All rights reserved Send feedback to mfdocfb microsoft com Version 2009 11 13 13h47m Index Results NET Micro Framework key namespaces 1 topics found Title Location What Is the NET Micro Framework MET Micro Framework Platform SDK Contents 3 Index X Help Favorites Ready ee One of the great features of MFDeploy is authent
52. ry 9 13 Output Compare By using output compare developers can generate different waveforms This is available on any digital output pin This is available through GHI s NETMF library 9 14 Battery RAM EMX has 2KB of RAM that is backed up by battery Data is retained on power loss The developer only needs to wire a 3V battery or a super capacitor to the VBAT pin This is available through GHI s NETMF library 9 15 Power Control Hibernate Power Control EMX is running at 72MHz Different low power modes are possible This feature is still under development Rev 1 3 Page 45 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX Module Features Hibernate Hibernate is supported to save power The processor will go to sleep and wakeup on specific events This is available through GHI s NETMF library 9 16 Real Time Clock LPC2478 includes a real time clock that can operate while the processor is off The developer only needs to wire a 3V battery or a super capacitor to the VBAT pin A 32KHz crystal is already included on the EMX module RTC also provides alarm functionality This is available through GHI s NETMF library 9 17 Processor Register Access EMX Module allows direct access to the LPC2478 registers The user can write read or manipulate the bits as needed This can be useful enabling some features that may not be already exposed This is available through GHI s NETMF library 9
53. se digital I O is used to choose the access interface for EMX between USB Low or COM1 High or not connected on startup refer to EMX access interface section J3 P2 23 1072 T X Right Touch Screen X axis Right digital output signal J4 P3 31 1073 T Y Down Touch Screen Y axis Down digital output signal J5 P3 29 1074 PWM5 PWM5 Pulse Width Modulation Output LPC2478 PWM Timer 1 J6 P4 31 1075 N A General purpose digital I O J7 JTAG TMS JTAG TMS signal J8 JTAG TCK JTAG TCK signal J9 JTAG TDO JTAG TDO signal J10 JTAG TRST JTAG TRST signal J11 JTAG RTCK JTAG RTCK signal J12 JTAG TDI JTAG TDI signal J13 Ethernet Speed Connect to Ethernet Connector Speed LED High 100 Mbps Low 10 Mbps J14 Ethernet Link Connect to Ethernet Connector Link LED High Ethernet activity J15 GND Connect to Ground Interrupt capable input Rev 1 3 Page 14 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX on boot up 5 EMX On Boot Up EMX includes three pieces of embedded software the GHI boot loader TinyBooter and EMX firmware On system boot up the GHI boot loader initializes Flash and RAM memory then it looks for a valid TinyBooter and lets it execute from RAM After the TinyBooter takes over the hardware it prepares the resources to be handled by the EMX firmware The EMX firmware is the main software that runs the NET Micro Framework
54. tem E 3 Add Existing Item 4 fy New Folder Show All Files Add Reference Add Service Reference Set as StartUp Project NET Projects Recent Browse Component Name Version FEZDomino GHlElectronics NETMF FEZ 1 0 0 0 FEZMini GHlElectronics NETMF FEZ 1 0 0 0 GHlElectronics NETMF Hardware 1 0 0 0 GHlElectronics NETMF Hardware EMX 1 0 0 0 GHlElectronics NETMF Hardware USBizi 1 0 0 0 GHlElectronics NETMF IO 1 0 0 0 GHlElectronics NETMF System 1 0 0 0 GHlElectronics NETMF USBHost 1 0 0 0 GreenTheme 1 0 0 0 Innobedded SPOT Presentation 1 0 0 0 MFDpwsClient 4 0 1681 0 4 m Runtime v2 0 50727 v2 0 50727 v2 0 50727 E v2 0 50727 v2 0 50727 v2 0 50727 v2 0 50727 v2 0 50727 v2 0 50727 v2 0 50727 v2 0 50727 X 2 Let s add USB Host library Select it and click OK 3 Add using for the name space at the beginning of the file using GHlElectronics NETMF USBHost EMX User Manual EMX firmware 4 As an example we will get a list of currently connected devices Add this in Main method USBH Devicef devices USBHostController GetDevices 5 Similarly you can use any other functionality provided by GHI library Press F5 in Visual Studio and the program will run If the program does not run then there is something incompatible on your system For example you are using a newer or incorrect versio
55. through the RS9110 N 11 21 01 WiFi module by Redpine Signals This module allows for real Socket connection over WiFi For example you can open up to 127 TCP UDP sockets simultaneously with SSL security This is not a simple WiFi Serial bridge commonly used on simple embedded systems RS9110 N 11 21 01 WiFi module WiFi RS21 Module with UEXT Connector This module from Redpine s Connect io n family is a complete IEEE 802 11bgn WiFi client device with a standard SPI interface to a host processor or data source It integrates a MAC baseband processor RF transceiver with power amplifier a frequency reference an antenna and all WLAN protocol and configuration functionality in embedded firmware to provide a self contained 802 11n WLAN solution for a variety of applications GHI Electronics offers the WiFi RS21 Module with UEXT Expansion to evaluate this WiFi module with the EMX Development System Rev 1 3 Page 39 of 52 www ghielectronics com GHI Electronics LLC EMX User Manual EMX Module Features PPP TCP IP access through serial modems Using this feature users can create sockets and communicate over links that are not Ethernet serial or wireless links for example This includes PPP Client with PAP authentication protocol This feature allows the user to dial in through serial modem V 90 GPRS 3G to access the Internet or Extranet Embedded TCP IP Master lt Seria Communication gt PPP Client M Internet
56. ts are completely different Many designers confuse USB when it comes to hosts and devices A USB Host is the master of the bus where all the work is done USB devices are simple compared to hosts and they can only connect communicate with a host and not other devices The USB host and device on EMX are two separate peripherals so there would be no conflict when using them both simultaneously The USB client interface is usually used as an EMX access interface for debugging and application deployment through Microsoft s Visual Studio However developers have full control over the USB client interface For example the USB client can be made to simulate a USB keyboard or USB mass storage Controlling an EMX USB client requires intricate knowledge of how USB works The user should refer to the NET Micro Framework documentation for complete details on how to use this feature Fortunately GHI Electronics offers a USB Client library available in the SDK to ease development and provide direct support for some USB devices such as Mass Storage Virtual Disk and CDC Virtual COM Port The library is capable of creating a USB client that s composed of multiple USB interfaces Please refer to GHI s NETMF Library for more information Rev 1 3 Page 41 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual EMX Module Features The EMX Module contains a USB host and USB client both can work simultaneously Refer to the P
57. vailable to assist you at any point New features and fixes come seamlessly to your product at no cost to you USBizi EMX ChipworkX On top of the great features that the NET Micro Framework provides such as Ethernet graphics and touch screen GHI solutions has additional exclusive features such as USB host PPP GPRS 3G database and native code runtime libraries RLP All these exclusive features are included for you at no extra cost 1 4 What is EMX Module The EMX Module is a combination of hardware ARM Processor Flash RAM Ethernet PHY etc on a very small 1 55 x1 8 SMT OEM _ 8 Layer board that hosts Microsoft s NET Micro Framework with various PAL HAL drivers In addition to the benefits of the NET Micro Framework EMX includes exclusive software and hardware features such as support for USB host PPP networking and more The EMX Module is a vastly sophisticated piece of hardware This complexity provides the end user with a remarkably simple platform to implement in any hardware design Looking at the EMX Development System schematic shows just how simple it really is All you need is 3 3 volts and some connections to bring the latest technologies to your products With manageable features Rev 1 3 Page 5 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual Introduction like USB host and WiFi the possibilities are boundless 1 5 Extended Features with EMX Module EMX supports a c
58. ware is executed automatically and you will not see BL again Rev 1 3 Page 21 of 52 www ghielectronics com GHI Electronics LL C EMX User Manual TinyBooter 7 TinyBooter The EMX Module implements embedded software from Microsoft called TinyBooter This software can be used to update the EMX firmware to maintain the application code region to get system information and to update system configurations such as networking settings EMX on boot up section provides the required information on how to choose an access interface and how to access the TinyBooter TinyBooter is different than the GHI boot loader or EMX firmware The GHI boot loader vs TinyBooter vs EMX firmware section lists the features and properties of each software Typically a user would never need to update the TinyBooter as it is not used in the final application For rare cases especially when changing to a different NET Micro Framework version e g 3 0 to 4 0 or when it is mentioned in the release notes of a new GHI NETMF SDK to update the TinyBooter there is a way to update it through the GHI boot loader A TinyBooter update can be done through the GHI boot loader or it can be done with the In Field Update feature The end user software interface that communicates with the TinyBooter is MFDeploy a tool provided with Microsoft s NET Micro Framework SDK The following section explains how to access the TinyBooter and update the EMX firmware throug

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