μRFID User Manual v1.00
Contents
1. Pin MCUPin Available function s 1 33V 2 GND 3 P021 GPIO SSEL1 MAT3 0 4 P0 20 GPIO MAT1 3 MOSII 5 P019 GPIO MAT1 2 MISO1 6 PO 18 GPIO CAP1 3 7 P014 GPIO SCK1 EINTI www ThaiEasyElec com Enable Your Design ThaiEasyElec com li RAD User Manual v1 00 On Line Electronics Shop for Embedded System Also P2 contains 3 GPIOs and 2 dedicated I2C pins 1 3 3V 2 GND 3 P0 2 SCL 4 P0 3 SDA 5 P0 22 GPIO ADO0 0 6 P0 23 GPIO ADO 1 7 P0 24 GPIO ADO 2 www ThaiKasyElec com2. Found New Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with your permission Read our privacy policy Can Windows connect to Windows Update to search for software O Yes this time only OY d every time connect a device Click Next to continue www ThaiKasyElec com Enable Your Design ThaiEasyElec comilll On Line Electronics Shop for Embedded System uRAD User Manual v1 00 Found New Hardware Wizard This wizard helps you install software for CP2102 USB to UART Bridge Controller If your hardware came with an installation CD lt 6 or floppy disk insert it now What do you want the wizard to do O Install the software automatically Recommended d Click Next to continue The path that contains driver is by default C SiLabs MCU CP210x Windows_2K XP_S2K3_ Vista Found New Hardware Wizard Please choose your search and installation options lt Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed L Search removable media floppy CD ROM Include this location in the search C SiLabs MCU CP21Ox Windows_2K_XP_S2
3. With access mode the module acts as a RFID access controller which users can register tags easily with a command line add Up to 255 tags can be added since one tag use 32 bytes information and the EEPROM size is 8192 bytes The last 32 bytes are reserved for configuration 2 of 8 ports GPIO are by software used as Hit ports in access mode one with active high and one with active low characteristic These dedicated ports can be used to control a solenoid or relay for door opening purpose The on board serial number IC DS2411P is a perfect embedded hard lock solution Cooperating with PC application user can lock there software to operate only with there authorized RFID reader 2 Features Hardware 125KHz RFID reader ID 12 NXP s ARM7 LPC2103 On board 8kB EEPROM the last 32 bytes are reserved for configuration parameters Serial number IC DS2411P 8 ports GPIO and 2 I2C pins USB to serial bridge IC CP2102 the MCU can be programmed with this serial port Mini B USB connector the board is powered from USB connector www ThaiKasyElec com Enable Your Design ThaiEasyElec com li RAD User Manual v1 00 On Line Electronics Shop for Embedded System Software Application software the mode selected via console Access mode mode 0 a simple RFID access controller Forward mode mode 1 a simple RFID reader with USB interface Low level drivers Serial port One wire interface 2
4. C interface 3 Requirement USB cable type A to mini B for supplying the board and programming 125KHz RFID tags CP2102 driver can be downloaded from www silabs com products interface usbtouart Pages default aspx www ThaiKasyElec com Enable Your Design ThaiEasyElec comIll RAD User Manual v1 00 On Line Electronics Shop for Embedded System 4 Drawing 4 1 Outline drawing _ 50 8 mm gt g We A Da D 3 048 lt mm gt Aly h cig l ST id 8 1 524 Cmm 2 921 lt mm 4 2 Drawing for docking purpose lt _ 2000 nr 3 __ gt lt 1500 miD gt www ThaiEasyElec com Enable Your Design ThaiEasyElec comlll RAD User Manual v1 00 On Line Electronics Shop for Embedded System 5 Getting start 5 1 Peripherals 3 ISP Jumper 4 Reset Jumper 2 Power supply connector 5 5 GPIOs RFID reader 8 Buzzer SORER 7 3 GPIOs and 2 I2C pins 5 2 Power it on Connect the board with your computer via USB cable as seen in picture www ThaiKasyElec com Enable Your Design 7 ThaiEasyElec com l RAD User Manual v1 00 On Line Electronics Shop for Embedded System A Found new hardware pop up should appear for the first time Unless you install the driver downloaded from internet please install it first When the package is installed follow the Found new hardware wizard
5. C2104 01 l LPC2105 3 LPC2105 01 3 LPC2106 1 LPC2106 01 Secondly set the XTAL frequency as 16 MHz www ThaiEasyElec com 10 Enable Your Design ThaiEasyElec comlll RAD User Manual v1 00 On Line Electronics Shop for Embedded System Options for Target Target 1 Device Target Output Listing User C C Asm Linker Debug Utilities NXP founded by Philips LPC2103 Code Generation Xtal MHz ARMMode v Operating system None F Use Cross Module Optimization F Use MicroLlB l Big Endian Read Only Memory Areas Read Write Memory Areas default off chip Start Size Startup default off chip Start Size Nolnit ROM1 RAMT RoM2 RAM2 Roms RAM3 on chip on chip IRAM1 040000000 02000 IROM1 IROM2 IRAM2 Cancel Defaults Thirdly replace the Startup s file with the one you got from our website And then add all other source files c in the project After these settings the project should be compiled without any errors some warnings may occur The project workspace should be seen as below www ThaiEKasyElec com Enable Your Design 11 ThaiEasyElec com II RAD User Manual v1 00 On Line Electronics Shop for Embedded System _ File Edit View Project Debug Flash Peripherals Tools SVCS Window Help fo ee eae ee Al zia e gt O29 jes A Target1 A282 Project Workspace gt x Target 1 H 6 Source Group 1 E Startup
6. K3_V 9 Browse Don t search will choose the driver to install Choose this option to select the device driver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware www ThaiEKasyElec com Enable Your Design ThaiEasyElec com li RAD User Manual v1 00 On Line Electronics Shop for Embedded System If the board starts up without ISP jumper installed the LED should flash in orange color for time per second 5 3 Creating project with Keil The board is supplied with codes Users have to make project themselves This guide is an example for Kei s software Firstly you have to create a project And select the device as LPC2103 Select Device for Target Target 1 CPU Vendor NXP founded by Philips Device LPC2103 Toolset ARM Data base Description Ed LH79524 a ARM TDMI S based high performance 32 bit RISC Microcontroller with Tr EJ LH79525 10 bit A D converters provides eight analog inputs LH7A400 Two 32 bit timers external event counters Two 16 bit timers external event counters A LH7A404 Low power Real Time Clock RTC with dedicated 32 kHz clock input 3 LPC2101 Multiple serial interfaces including two UART s 160550 LPC2102 two Fast 12C buses 400 kbit s SPI and SSP with buffering and variable c C2103 7 A a 32KB on chip Flash ROM with In System Programming ISP and In Applic 4 LP
7. ag is detected from reader and the tag s serial number is in the list the module generates a high pulse on P0 23 and in the same time generates a low pulse on P0 24 The interval of these pulses can be configured using command HIT_LONG User can configure this interval between 100 ms to 50 minutes 5 5 2 Forward mode mode 1 In this mode MCU does nothing with serial data receiving from ID 12 but forwards them to PC via USB Bridge Suits for application in which many of tags and readers are installed in the system Only with this mode an automatic generating buzz sound when tags detected can be disabled and let PC decides type of buzzing to be generated These can be done with AUTO_BEEP and BEEP command which will be described in next section www ThaiKasyElec com Enable Your Design 14 ThaiEasyElec comlll RAD User Manual v1 00 On Line Electronics Shop for Embedded System 5 6 Programming and Command line interface To program the module install a jumper on ISP jumper see 5 1 and then plug the module to PC Now the MCU should starts with ISP boot loader and will not flash LED Open Flash magic and program the module After that uninstall the ISP jumper and reset the module by installing a jumper on reset jumper for a while then take it off With the same USB cable and same serial port user can communicate with the module using command line interface through HyperTerminal Set the COM port as f
8. ff ADD command follow with tag label for example entering add tag1 then put a tag on RFID reader The tag will be registered and this label string tag1 will be printed out to serial port whenever this tag is detected again LIST commands allow user to see the tag list REM and REM_ALL command allow user to remove a tag or remove all tag in the list www ThaiKasyElec com Enable Your Design 16 ThaiEasyElec comlll RAD User Manual v1 00 On Line Electronics Shop for Embedded System HIT_LONG command sets the interval time in 100 ms for Hit event DEFAULT command loads default setting to the module which the module operates in Forward mode echo on and automatic beep on SAVE command let user to save there setting to EEPROM including operating mode echo and automatic beep behaviors Doing things with the tag list is automatically saved to EEPROM SHOW command let user to see current setting on the module www ThaiKasyElec com 17 Enable Your Design ThaiEasyElec comIll RAD User Manual v1 00 On Line Electronics Shop for Embedded System Appendix 1 Quick reference guide for port connections 3 3 3 3V GND GND P0 21 SCL PO 20 SDA P0 19 P0 22 P0 18 aj FO 23 P0 14 a P0 24 of a B 5V GND P1 contains 7 pins including 5 GPIOs and power supply pins
9. file This file also has function declarations from app_id12 c 3 All other header files are subjected to declare functions only Source files only important files are shown 1 main c background functions are here including timer interrupt service routine T1_IRQHandler i o initialization io_init In case that user need to use more peripherals PINSEL may be set in io_init Notice that AppInit and AppRun are called from main Q user application may be modified or recreate using these functions 2 app_id12 c the application software are here 3 All other source files are hardware drivers for example I2C one wire interface www ThaiEKasyElec com Enable Your Design 13 ThaiEasyElec comlll RAD User Manual v1 00 On Line Electronics Shop for Embedded System 5 5 Operation The example source code designed for 2 purposes one as an access controller called access mode and two as a simple USB interface RFID reader called forward mode 5 5 1 Access mode mode 0 With capability of up to 255 tags in a system it suites for access control application or any others which one reader is enough The module does checking sum checking whether a tag is registered in the system In addition when a registered tag detected the module generate 2 signals called Hit ports These ports are dedicated on P0 23 active high and P0 24 active low and a port is inverted to each other In the other hand when a t
10. ollow COM4 Properties Port Settings Bits per second Data bits Parity Stop bits Flow control Every time the module starts up it greets you with lines of text The last of them says enter help for help Below is what you can see with HELP command Remember that this command line interface is not case sensitive www ThaiEasyElec com 15 Enable Your Design ThaiEasyElec com l RAD User Manual v1 00 On Line Electronics Shop for Embedded System AUTO_BEEP n 1 on 0 off turn on off auto beep BEEP n 1 once 2 twice beep manually READ_SN read module s serial number MODE n 1 fwd 0 access select operation mode ECHO n 1 on 0 off turn on off console echo ADD card_label string add a card LIST list all added card REM nn remove card at nn REM_ALL remove all cards HIT_LONG set Hit interval in 100ms DEFAULT load default setting SAVE save setting SHOW show setting AUTO_BEEP command sets whether you want the module to generate buzz sound when a tag detected only applicable with Forward mode If you or your PC application wish to generate buzz sound use BEEP command It in the same time flash LED in different color READ_SN command allows you to read serial number from DS2411P MODE command selects which mode to be operated ECHO command allows PC application not to process much data by turning echo o
11. s E main c E one_wire_v1_00 c app_console c utils_custom_v1_00 c serial_Ipc21xx_v1_00 c app_idi2 c ds2411_v1_00 c i2c_Ipc21xx_yv1_00 c 2 i2c_eeprom c console_v1_O1 c 2 4 8 lcompiling i2 c_lpe2ixx_vi1_00 c compiling iZc_eeprom c compiling console vi1_Ol c linking Program Size Code 12008 RO data 1384 Ril data 136 ZI data 3376 FromELF creating hex file idl2 v2 axf 0O Error s 2 Warning s D Build Command A Find in Files 7 ls ut Window 5 4 Source files description Header files only important files are shown 1 hw_urfid h define hardware for example LED 1 is at port 0 4 define LED1_DPRT FIODIR define LED1_PRTS FIOSET define LED1_PRTC FIOCLR define LED1_PINP FIOPIN define LED1_PIN 4 www ThaiKasyElec com 12 Enable Your Design ThaiEasyElec com l RAD User Manual v1 00 On Line Electronics Shop for Embedded System DPRT direction port PRTS port set PRTC port clear PINP port input PIN pin number in the port These may look awkward but it s very easy to change some pins 2 app_config h this file is used to configure many parameters various on each project Header file including are in this file And this file is included in most of source file So which declaration shared on more than one source file should be declared on this
12. uRAD User Manual v1 00 A pa p3 RIS JIRIGIZE 9 Foig Enable Your Design ThaiEasyElec com Il On Line Electronics Shop for Embedded System Copyright 2008 ThaiEasyElec All rights reserved Disclaimer This document is intended only to assist the reader in the use of the product ThaiEasyElec com shall not be liable for any loss or damage arising from the use of any information in this document or any error or omission in such information or any incorrect use of the product Enable Your Design ThaiEasyElec comlll RAD User Manual v1 00 On Line Electronics Shop for Embedded System Index 1 Introduction 3 2 Features 3 3 Requirement 4 4 Drawing 5 5 Getting start 6 5 1 Peripherals 6 5 2 Power it on 6 5 3 Creating project with Keil 9 5 4 Source files description 11 5 5 Operation 13 5 6 Programming and Command line interface 14 Appendix 1 Quick reference guide for port connections 17 www ThaiKasyElec com Enable Your Design ThaiEasyElec comlll RAD User Manual v1 00 On Line Electronics Shop for Embedded System 1 Introduction uRFID is a RFID development board comes with NXP s powerful ARM7 LPC2103 125KHz RFID reader ID 12 USB to serial bridge IC CP2102 8kB EEPROM and serial number IC DS2411P With the example software open source code the module can be configured as 2 modes forward mode and access mode With forward mode the module acts as a simple USB RFID reader
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