VCP-04 User`s guide
Contents
1. Backup Charger Accumulator 2013 MICRORISC s r o Display control www iqvcp org Custom class CDC Mass storage USB host q IQRF Infra red Upload Bootloader Debug ICD UG_VCP 04_ 130815 Page 2 MAVCP VCP 04 Electrical specifications typical values unless otherwise stated Power supply Accumulator LIP423885 3 7 V 1450 mAh Li Pol Charging 5 0 0 35 V DC via micro USB Power consumption Power off all peripherals shut down 8 yA Operation display backlight off 150 mA Operation display backlight on 240 mA Accumulator charging 450 mA max Display KWH035ST26 F01 VCP04 TFT LCD 3 5 320 x 480 pixels 256 K colors Temperature range Operating 0 C to 60 C Accumulator charging 0 C to 45 C Storage 10 C to 25 C recommended TR module TR 54D soldered Frequency range 868 MHz or 916 MHz SW selectable RF output power 5 dBm SW selectable in 8 steps up to specified value Antenna On board PCB RF range 430 m Serial EEPROM endurance 16 Kb I2C bus 1 000 000 erase write cycles 25 C Serial Flash memory endurance 8 Mb SPI bus 100 000 typ 10 000 min erase write cycles SD card Standard 2 GB micro SD Dimensions 121 6 mm x 64 5 mm x 11 mm Weight 108 g Absolute maximum ratings Stresses above those values may cause permanent damage to the device Exposure to maximum rating conditions for extended periods may affect device reliability Supply voltage 5 5 V DC v2. data from internal Flash memory Sleep It allows to put the device in sleep standby mode This screen can be also accessed by holding the user button pressed not longer than 2 s Device can be woken up upon pressing user button or connecting external power source Vibro module It demonstrates the capability of vibration module Single shot and repeated vibrations are supported SD card A demo for initialization of the SD card and test access to the card by reading and writing a text message to the file GW_FILE txt is used for reading and writing tests The SD card connector is equipped with a contact to detect whether the card is inserted This contact is checked and the following message is issued e Contact Error the contact is open e Contact OK the contact is switched If no SD card is inserted the message SD card not inserted is issued About A screen displaying FW version of the demo application and additional information about company and product web pages Se SSS 2013 MICRORISC s r o www iqvcp org UG_VCP 04_ 130815 Page 9 MAVCP VCP 04 Pushbutton PB1 Three kinds of presses are distinguished by the demo e Short lt 2 s Quick access to the Sleep screen e Long gt 2 s Creating a screenshot and storing it as the BMP file on the SD card in the S_ SHOT folder To update the file system in order to access the newly created file on the SD card via USB the USB cable must be unplugged f
3. org UG_VCP 04_ 130815 Page 11 MAVCP VCP 04 Sales and Service Corporate office MICRORISC s r o Prumyslova 1275 506 01 Jicin Czech Republic EU Tel 420 493 538 125 Fax 420 493 538 126 www microrisc com Partners and distribution Please visit www iqrf org partners Quality management ISO 9001 2009 certified Complies with Directive 2002 95 EC RoHS Trademarks The IQRF name and logo and MICRORISC name are registered trademarks of MICRORISC s r o PIC SPI Microchip and all other trademarks mentioned herein are property of their respective owners Legal All information contained in this publication is intended through suggestion only and may be superseded by updates without prior notice No representation or warranty is given and no liability is assumed by MICRORISC s r o with respect to the accuracy or use of such information Without written permission it is not allowed to copy or reproduce this information even partially No licenses are conveyed implicitly or otherwise under any intellectual property rights The IQRF products utilize several patents CZ EU US On line support support iqrf org VCP Smarter Control Simply An AAA AAA AE EEE O 2013 MICRORISC s r o www iqvcp org UG_VCP 04_130815 Page 12
4. VCP 04 Visual control panel HW version v1 03 FW version v01 00 01 SW demo version v1 07 User s Guide KAVCP Smarter Control Simply Fn 2013 MICRORISC s r o www iqvcp org UG_VCP 04_ 130815 Page 1 VCP VCP 04 Description VCP 04 is a portable pocket visual control device with wireless connectivity and many peripherals for arbitrary use fully user customizable programmable It is a generic equipment i e the hardware is fixed and the user can implement specific functionality by software only This device is intended for final production while the DS VCP 04 development set should be used for development Key features e Display touchscreen 3 5 320 x 480 pixels 262144 colors e Main MCU PIC32MX7 Secondary MCU PIC12F615 for basic management e Micro SD card serial EEPROM and Flash memories e USB device e Wireless connectivity IQRF and IR e Audio output e RTCC real time clock calendar e G sensor e g for portrait landscape view switching e Light sensor e Accumulator e Very low power consumption in Sleep mode Block diagram Applications e Control units for arbitrary use e Remote wireless controllers e Building automation e Industrial control e Access systems Touchscreen Sound Alarm Micro SD card gt Buzzer Speaker Datalogging RTCC Real time clock calendar Telemetry Light sensor Orientation Control G sensor Pushbuttons 5
5. additional PC disk This selection is allowed if the SD card is plugged only e CDC Class Creates a virtual serial COM port The user can use a suitable PC terminal or create his own PC program to communicate via this port Demo application uses the COM settings 9600 8 none 1 and operates as follows If the i character is sent from the PC terminal VCP 04 returns the device identification in text format Tip For a communication in CDC mode various SW terminals operating with PC serial ports are available Select a terminal enabling to issue direct byte commands and data Recommended terminal Docklight www docklight de Unsuitable terminal Windows Hyperterminal and Tera Term AAA NN et 2013 MICRORISC s r o www iqvep org UG_VCP 04_ 130815 Page 10 MAVCP VCP 04 Product information Pack list e VCP 04 in Sleep mode e Demo application and the bootloader uploaded in main MCU e The tr_vcp04 demo application uploaded in embedded TR module RFPGM after reset disabled TR module and SD card 2 GB included Accumulator soldered Power source TY A6A 5V DC 500 mA stabilized cordless with USB A connector Micro USB cable CAB USBABMICRO Brief User s manual Ordering codes e VCP 04 Visual control panel for final production e DS VCP 04 Development set for VCP 04 for development Document history e 130815 Bug in display type on page 3 fixed e 130725 First release I NTN ty 2013 MICRORISC s r o www iqvep
6. ated in the following configuration e The tr_vcp04 application uploaded in embedded TR module Another remote TR module plugged in the DK EVAL 04 development kit having the appropriate demo SW uploaded iqrf_demo_control or vcp_temp_sensor see below Both HEX codes can be downloaded from the VCP 04 product web page Complete demo SW including all source codes is available in DS VCP 04 development set AA o gt Eyl ae 2013 MICRORISC s r o www iqvcp org UG_VCP 04_ 130815 Page 7 MAVCP VCP 04 Main menu After wake up by the user pushbutton or connecting to external power the welcome screen appears Touching the display brings the main menu with icons By touching any of the icon the new screen is evoked to demonstrate given functionality of the particular HW peripheral To return back to the main menu press the Back button Also by touching the screen anywhere off the icons gray area and dragging a finger to the left on a touch the screen scrolls to the left and further icons appear on the screen The same functionality can be achived by pressing the right arrow in the lower left side IQRF module D IQRF upload d IQRF module IQRF upload Device info IQRF chat e i Infrared module IQRF chat Infrared module Audio module Vibro module Vibro module 8 Setting Setting Main menu icons Display A demonstration shows the TFT display facilities by presenting pictures stored on the SD card i
7. consumption by disabling internal circuitry It is possible to wake up from Sleep by pressing the user pushbutton or by connecting external power source RTCC Real time clock calendar with crystal precision is implemented in VCP 04 It is operating even in Sleep mode and fails only if power supply including the accumulator fails Date and time must be set after power on or a reset EEPROM memory EEPROM memory 16 kb with serial interface I2C 1 000 000 erase write cycles Serial Flash memory Flash memory 8 Mb with serial interface SPI 100 000 erase write cycles typ Micro SD memory card Standard Flash micro SD memory card with SPI interface Max capacity is 2 GB for FAT16 and 2 TB for FAT32 The SD card is not removable It is accessible via USB Display Display KWH035ST26 F01 VCP04 3 5 diagonal 320x480 pixels RGB 262 144 colors VCP TFT LCD transmissive with LED backlight and 16 b parallel data bus is used Graphic library uses 65 535 colors only Backlight VCP 04 display is illuminated by LEDs Switching on off or fading out in enables to save energy especially while the device is powered from the battery Touchscreen A touch within the display area can be detected and localized by integrated resistive touchscreen Lower part of the touchscreen creates a touch slider A A _ a a aa O 2013 MICRORISC s r o www iqvcp org UG_VCP 04_130815 Page 4 MAVCP VCP 04 Calibration Proper display functio
8. der VCP 04 demo application VCP 04 is provided with demo program illustrating the following features e Display Rendering of screens Touchscreen User events detections pressing releasing moving e EEPROM storing and reading the VCP 04 setting e Serial Flash memory storing and reading all graphical elements employed in the demo application e TR module SPI master writing and reading application uploading module info getting and displaying e Infrared module simple remote controller showing communication with TV Sharp e Audio module acoustic indication of touching the screen predefined tones WAV reading and playing e Sensors G sensor and illumination level reading and displaying e SD card reading and writing used in many features of the demo application FAT16 FAT32 e Vibro module single shot or repeated vibrations e Indication LEDs on off toggle and single flash e Secondary MCU power management RTC maintenance accumulator monitoring e USB MSD class Mass Storage Device makes SD card accessible via USB interface e USB CDC class Communications Device Class creates standard serial port UART with echo functionality RTCC date and time setup autonomous run and displaying e Sleep mode to minimize power consumption by switching off the equipment Refer to software and documentation of the DS VCP 04 for description of functions and other details To implement wireless connectivity the demo should be oper
9. en basic information about embedded TR module such as OS ID and MCU type is displayed in top part of the screen Device info A demo displaying basic information about the VCP 04 device such as power source battery voltage level presence of SD card and readings from G sensor and lighting sensor SS nee Tl 2013 MICRORISC s r o www iqvcp org UG_VCP 04_ 130815 Page 8 MAVCP VCP 04 IQRF chat A demonstration of wireless communication via sending and receiving chat messages An IQRF packet is considered to be a chat message if contains the identification e Transmitting A user string can be entered from the keyboard allowing user predefined symbols to the Tx field and sent by the TR module as an RF chat message by pressing the Send button e Receiving Embedded TR module continually listens to incoming RF packets If a correct chat message is detected the received text is displayed in the Rx field This demo works if the tr _vcp04 application is uploaded in the embedded TR module Temp sensor A demonstration of wireless communication via receiving messages from external TR module measuring temperature and battery level This demo works if the vcp temp sensor application is uploaded in remote TR module Embedded TR module continually listens to incoming RF packets If a correct message is detected the received values are displayed on the screen Infrared module A demo example of a remote IR controller utilizing the commu
10. ia micro USB Storage temperature 10 C to 80 C A AAA A A A _ _____ A AP TS O 2013 MICRORISC s r o www iqvcp org UG_VCP 04_130815 Page 3 MAVCP VCP 04 Hardware Power supply VCP 04 is supplied by the accumulator It is non removable to be charged by 5 V DC via the micro USB connector Instead of power off normal operation can be deactivated by switching to sleep mode The accumulator should be protected against total exhausting by application software switching the device into sleep mode see below when the accumulator voltage is low The demo software provides this after dropping down to 3 45 V If no proper protection is implemented in application SW VCP 04 forces the sleep mode when the voltage level drops below 2 85 V and wakes up if the voltage rises up again by connecting to external power supply Main MCU VCP 04 is controlled by the 32 b microcontroller PIC32MX795F512L up to 80 MHz Main MCU is user programmable Program memory size is 512 KB and RAM size is 128 KB Secondary MCU VCP 04 power management back up software RTCC and battery monitoring with power source identification are controlled by the 8b microcontroller PIC12F615MF Firmware of the secondary MCU is fixed Reset pushbutton VCP 04 reset can be invoked by reset pushbutton accessible by a pin through the hole on the side of the case This induces reinitialization of the device Sleep mode Sleep mode is intended to minimize current
11. n the S_SHOW and IQ SHOW folders Returning back from the Slideshow is up on touching the display and returning from IQRF Slideshow up on pressing the Back button IQRF module TR module is equipped with dedicated MCU which must have an application software uploaded The following functionality is available e Wired SPI communication with main MCU TR module is an SPI slave e Wireless bidirectional RF connectivity intended for any remote IQRF device or IQRF wireless network e TR module can perform various additional tasks according to user s needs If the iqrf demo control application is uploaded in remote TR module the following functionality is implemented By pressing the user button on DK EVAL 04 the LED status on the external TR module is changed and this change is also reflected on the screen A content of bufferRF the TR buffer dedicated to RF communication is transferred from the remote TR module and displayed on the screen By pressing the Turn off the LEDs button both LEDs are switched off and this change is indicated by switching off the LEDs on the remote TR module IQRF upload A demonstration how to upload a user application into embedded TR module The TR application in HEX format must be stored in a file with the hex extension in the TQUPLOAD folder on the SD card Just one HEX file is allowed to be stored there By pressing the Upload button this application is uploaded into the TR module When entering the IQRF upload scre
12. nality requires a calibration setting the touch sensors in accordance to display pixels to compensate variations in parameters due to temperature tolerance of parts and so on The VCP 04 has the display factory calibrated Calibration values are stored in the EEPROM A software calibration procedure 3 x 3 touches in locations indicated by an arrow is available and should be performed in application software whenever needed e g after significant temperature change Audio Audio system uses analog as well as digital input and mono output The functionality is fully under the user s control It can be used to generate tones beeps alerts etc or to play WAV tracks G sensor 3 axis linear accelerometer can be used e g for portrait landscape view switching Illumination sensor Illumination sensor enables to measure ambient light intensity Vibro motor The coreless permanent magnetic DC motor User pushbutton User pushbutton can be used to control the device Actual functionality fully depends on application software USB The Universal Serial Bus USB module provides a USB 2 0 full speed and low speed embedded host full speed device or OTG implementation USB OTG enables the intelligence for a device to determine whether it is required to function as a Host or Peripheral and then configure itself accordingly without any user input VCP 04 is capable to function as a Host or Peripheral The demo SW currently supports USB Peri
13. nication protocol defined by Sharp Whenever the button is pressed the predefined message is sent If the button is held pressed the message is sent repeatedly until the button is released To control the volume the touch scrollbar located in bottom part of the device is intended The volume is proportional to the position on the scrollbar Only sending feature is currently supported by IR module RGB editor A useful tool for selection of colors Select one from the three RGB primary colors The buttons display their levels Current color can be set by selecting particular color field and then by using the touch scrollbar The resulting color is displayed also as a numeric code Audio A demo for audio operation Audio files should be placed in the SOUNDS folder on the SD card This demo supports also playing an audio file from internal Flash memory of main MCU Due to space saving it is recommended just for a short audio track Audio library supports WAV files without compression VCP 04 allows to play audio samples with rates from 8 kHz to 48 kHz and from 8 to 32 bit resolution The golden mean 32 kHz sample rate and 16 bit resolution is recommended as optimal Basic control for OPEN PLAY STOP and a Volume setting is implemented The volume is set by touching the scrollbar located at the bottom part of the device The short sound track played immediately after pressing the PLAY button demonstrates the capability of reading and playing audio
14. pheral classes only either MSD mass storage device or CDC communications device class TR module and antenna Wireless IQRF transceiver module TR 54D soldered PCB antenna is integrated on the VCP 04 board IR Infrared wireless module to transmit and receive serial data Case It is not allowed to open the case There are two pads on the bottom side of the case reserved for future use for magnetic fixation to a pod etc Connections Part Pins Connection Accumulator 2 Soldered IQRF TR module 18 Soldered USB 5 Micro USB connector Micro SD card 10 DM3AT SF PEJ Hirose connector inside the case A A AA AAA a _ _ a a a aaa O 2013 MICRORISC s r o www iqvcp org UG_VCP 04_130815 Page 5 MAVCP VCP 04 Programming and debugging See the DS VCP 04 User s guide Main MCU Application code can TR module Application code can be uploaded to VCP 04 by bootloader via microUSB cable with the case closed be uploaded from PC to the TR module via USB Components and controls 2013 MICRORISC s r o Touchscreen Touch slider MicroUSB Magnetic pads Pushbutton IR transmitter Speaker www iqvcp org UG_VCP 04_ 130815 Page 6 MAVCP VCP 04 Software Actual functionality of VCP 04 depends on application software in main MCU and in TR module It should be developed using the DS VCP 04 development set and uploaded into VCP 04 by the bootloa
15. rom and pluged to PC again Saving of the file is indicated by faster LED blinking e Long gt 10s The Factory Setup procedure for restoring of initial default values display backlight acoustic indication and USB class and for display calibration LED indication A demo illustrating VCP 04 state indication e Operation external power Green LED LEDG flashing e Operation powered from accumulator Red LED LEDR flashing Settings Time amp Date It allows to set the time and date of software RTCC clock in main MCU and synchronize it with RTC clock in secondary MCU Select desired item and then set a new value by pressing the Up and Down arrows The RTCC clock is initialized from secondary MCU each time the demo application starts Display It allows to set the period for switching the display backlight off in case of no activity The setting is individual for both power sources external accumulator The setting is stored in EEPROM The backlight is switched on by touching the display or by the pushbutton Sound Switching the acoustic indication of touching the screen on off The setting is stored in EEPROM USB classes Allows to switch among different supported USB classes To change the class only reinicialization of USB system of the device is necessary The setting is stored in EEPROM Supported USB classes e Mass storage default After the VCP 04 is connected the internal micro SD card is accessed like an
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