RESUME

VISHNU SANKAR Contact no(Japan): +81-7015150407

Email: vishnuocv@gmail.com

AIM: To achieve a challenging position as a Design Engineer in a research oriented firm, greater

challenges and opportunities for Learning and development.

Professional Summary:

7 years and 11 months of hands on experience on Embedded Software, Board Bring up,

Platform Development, Linux Porting, Android Porting, kernel development, Bootloaders and

Firmware development. A Beginner in Japanese Language, Possessing Work permit for Japan.

Working as Project Lead in iWave Japan from March 2nd to till date.

Worked as a Senior embedded systems Software Developer with ‘Kemsys Technologies pvt ltd’, a

Kaynes company, Bangalore from August 2011 to Dec 15 2014, and continued as a freelance

Consultant in the same company till January 20th 2015.

Worked as an embedded design engineer with ‘illustris Software Solutions PVT ltd’, Calicut from

November 2009 to July 2011.

Worked as embedded design engineer in ‘Surya Innovations for Embedded development’, Cochin

from October 2007 to October 2009.

Hands on experience in Linux Device drivers, Bootloaders and Board Bring Up.

Hands on experience in Freescale iMX53 based Processors.

Hands on experience in Freescale iMX23 based Processors.

Hands on experience in Freescale iMX25 based Processors.

Hands on experience in Freescale iMX6x based Processors.

Hands on experience in PoS systems.

Hands on experience in Android and Linux Porting.

Experience in Linux 2.6.x, 3.0.x, 3.1.x and 3.4.x.

Hands on experience in Board Bring-ups and Platform Development with various Platforms.

Hands on experience in Hand held devices.

Hands on experience in developing software and Firmware for micro-controller systems design,

using programming Skills in ‘Embedded C’ and ‘Assembly’ language.

Hands on experience on customized product development.

Knowledge in 8 bit, 16 bit and 32 bit micro-controllers/Processors.

Hands on experience in generating firmware’s and device drivers.

Experience in Data acquisition and supervisory control systems.

Experience in Biometric systems and medical equipment’s.

Experience in wireless devices (RF), Wi-Fi, BT.

Experience in GPS, GPRS and GSM.

Experience in Camera Drivers (CSI) NCM03-V.

Experience in using different types of sensors.

Experience in LCD's, ADC, RTC, Thermal printer and motors.

Experience in using Oscilloscopes, Emulators, debuggers and Simulators.

Knowledge in Networking Protocols, RS232, I2C, SPI, PS/2, Parallel, Ethernet and 2 wire.

Good Hardware understanding

Experience in Power management in various platforms.

Tool knowledge:

Linux Target image Builder, Android, GCC-ARM, Yocto Filesystem, Git.

Assembly level & C programing in 8085, 8051, PIC 16, PIC 18, dsPIC, AVR. PSoC

Programing knowledge in ARM controllers (using Keil, ICC ARM, IAR)

VHDL programing in CPLD’s using Xilinx ISE and ModelSim.

Educational Qualification:

M. Sc Applied Electronics (2005-2007), from Cherraan’s Arts Science College, Erode under

Bharathiar University with an aggregate of 77.5%.

Bachelor degree in Electronics from College of Applied Science, Mavelikkara (IHRD),

Kerala University with an aggregate of 62%. (2001-2004 batch)

Plus-2 in science group (Physics, Chemistry, Biology and Mathematics) from Gov: higher

secondary school, Kayamkulam with an aggregate of 57%. (2001)

SSLC from RVSM H. S, Prayar under Board of public exams – Kerala, with an aggregate of

75% in the year 1999.

Project’s Details

Project Name : Application Specific Devices (For a Leading MNC)

Team Size : 4

Duration : 10 months Environment : Android ICS and Jelly Bean, C, iMX6 Solo Lite, Linux-3.0.35 kernel.

Role and responsibility: Kernel Porting, Driver Development, Board Bring up

Description:

Application Specific Device is working in Android 4.0.4(ICS) and 4.3(JB).

FEATURES:

Freescale iMX6SL 800 MHz processor with 512 MB RAM

TFT LCD (320x480) with Resistive Touch screen (TSC2014)(3.5 inch).

Gas Gauge (BQ27421)

GPS(TELIT)

GSM/GPRS (Sierra wireless)

eMMC, SDCARD and SPI Flash.

Audio (MAX98089) with voice call integration

Camera (CSI) BYD 3703

Bluetooth(88W8787)

Wi-Fi (88W8787)

USB HUB, OTG, HOST

PM100 PMIC.

Power Path Management. Power management.

Project Name : Rugged Tablet (DRDO)

Team Size : 2

Duration : 6 months Environment : Android ginger bread, C, iMX53, Linux-2.6.35 kernel.

Role and responsibility: Kernel Porting, Driver Development, Board Bring up

Description:

Rugged tablet is working in Android 2.3(GB). It is a good replacement for the tablet

pc's available in Market today.

FEATURES:

Freescale iMX53 800 MHz processor with 1 GB RAM

TFT LCD with Resistive Touch screen(7 inch).

HDMI (ADV7513).

GPS

3G

eMMC, SDCARD and SPI Flash

Audio (SGTL500)

Camera (CSI) OV3660

Accelerometer (MMA8450)

Wi-Fi

USB HUB, OTG, HOST

MC34708 with external charger (LM3658) with battery monitoring.

Power management.

Touch capacitive Buttons

Project Name : Point of Sale (PoS) development Kit for POWERCRAFT

Team Size : 4

Duration : 12 months Environment : Linux, C, iMX25, Linux-2.6.31 kernel, LTIB.

Role and responsibility: Linux Porting, Test Application Development, Driver Development,

Board Bring up.

Description:

PoS SDK (SMART1) is a development kit which is having almost all the peripherals

required for a high end PoS. we are using Linux operating system with kernel-2.6.31 for this. The

user can make their own applications with the help of Qt software.

FEATURES:

Smart cards (contact and contact-less).

Independent SIM peripherals (2 Sim control at a time)

T=0, T=1, DESfire, MiFare and SCOSTA support.

SAM cards (2 SAM's).

Contact-less card using PN532.

TDA 8026 switching IC (Contact cards).

TDA 8029

Finger Print Sensor (UPEK).

Power management (standby power off and 18hr backup and 2200 prints)with battery monitor.

Frequency scaling, Micro and macro power management with CPU idle with dynamic Ticks.

Processor Core voltage Controlling(for better Efficiency)

Real time clock (porting).

GSM/GPRS connectivity – M10 (separate UART for Both)

GPS attached(RS232)(L20 and L50)

TFT LCD with Resistive Touch screen(3.5 inch)

Thermal Printer (2 Inch and 3 Inch) with Grey scale printing.

Camera (USB) (V4L and UVC).

Graphical LCD (2 Inch and 3 Inch).

MDDR SDRAM (128MB)

HAB secured

Machine ID and MAC ID in FUSE bits

USB HOST, Mass storage, OTG, HUB and gadgets, SSH with RNDIS s(porting)

u-boot

ETHERNET (FEC with external PHY(DP83848))

Audio with SGTL-5000 (GStreamer)(porting)

QWERTY KEYPAD

MTD NAND FLASH(porting)

SPI FLASH with OTP

Expandable Storage capacity(SD card)(porting)

Project Name : Point of Sale (PoS) development Kit for POWERCRAFT

Team Size : 4

Duration : 5 months Environment : Linux, C, iMX25, Linux-2.6.31 kernel, LTIB.

Role and responsibility: Linux Porting, Test Application Development, Driver Development,

Hardware Testing.

Description:

PoS SDK (SMART2) is a development kit which is having almost all the peripherals

required for a high end PoS. we are using Linux operating system with kernel-2.6.31 for this. The

user can make their own applications with the help of Qt software.

FEATURES:

Power management (standby power off, touch screen wake up, 2200 prints, lcd resume.

Real time clock (porting).

Battery monitor

GSM/GPRS connectivity – M10 (separate UART for Both)

Thermal Printer (2 Inch and 3 Inch) with Grey scale printing.

Graphical LCD (2 Inch and 3 Inch).

MDDR SDRAM (128MB)

HAB secured

Machine ID and MAC ID in FUSE bits

USB Mass storage, HOST, USB OTG, USB HUB, USB gadgets(porting)

u-boot

SSH using usb0 with RNDIS support

MTD NAND FLASH(porting)

SPI FLASH with OTP(porting)

Expandable Storage capacity(SD card)(porting)

Matrix Keypad (5X6)

Project Name : Point on Sale (PoS) for Nidosoft

Team Size : 2

Duration : 5 months Environment : C, LPC 2138.

Role and responsibility: Software Developing, Testing and Hardware Design

Description:

PoS terminal manages the selling process by a salesperson accessible interface. It can print

copies of the sale for the customer and the merchant. Exchanges and refunds can be run through the

system, and a copy of the transaction can be printed. Internet-based PoS systems are used

by businesses with multiple locations or absentee owners who can view the day's transactions from

anywhere.

Features:

Contact Cards.

Real time clock.

GPRS and GPS (RS232)

Matrix Keypad (5X6)

Power management with Battery monitor

SPI FLASH and Expandable Storage capacity(SD card)

Graphical LCD. (Parallel) (2inch and 3inch)

Thermal printer.(RS 232) 3-inch and 2-inch

Project Name : TREAD MILL developed for VENTURA systems.

Team Size : 1

Duration : 3 months Environment : Keil, C, ATMEL 89C55.

Role and responsibility: Software Developing and Testing

Description: This is Fitness equipment developed for VENTURA systems. It uses Intel’s 8051 based

architecture. Tread mill consists of a Motor, a Heart Beat counter, calorie calculator; distance

calculator etc. features settable limits for speed, distance, calorie and heartbeat. Various user-friendly

preset levels and modes are also featured for easier operations. MOSFET used to drive the 180V DC

motor.

FEATURES:

Speed up to 15 km with PWM based motor control with seven segment LED display control panel.

Fail safe operation and Safety Switch

User friendly one touch presets. Heart beat monitor and Calorie calculator.

Project Name : Electronic Steam bath chamber for Ventura systems

Duration : 2 Month.

Team Size : 1

Environment : C, IC PIC 16F73.

Role and responsibility: Software Developing, Testing and Hardware Design

Description: This is fitness equipment done for VENTURA named STEAMLINE, which is a steam

bathing chamber. A very user friendly control panel is developed for it. This features a controllable

temperature threshold, time line modes, automatic water filler, water level indicators, auto error shut

off and one touch preset time levels. PIC’s 8 bit ADC is used for Temperature calculation. Water

Level is monitored using ADC.

FEATURES:

Fully automated

Seven segment LED display control panel.

Water level control and temperature control (4 sensors).

over temperature protection and Fail safe operation Separate preset levels

Reference:

Mr. Sathisha. S : VP Bussiness, Kemsys Technologies pvt ltd,

sathisha@kemsys.com Mob: +919901861939.

Mr. Ganesan : VP production and Development, Kemsys Technologies Pvt Ltd.

Email: ganesan@kemsys.com mob: +919731892296

Mr. Dinagaran : VP Operations, Kemsys Technologies Pvt Ltd.

Email: dinagaran@kemsys.com mob: +919886197736

Personal Profile:

S/o A. Sivasankara Pillai, Single, Indian, born on 30th march, 1984.

Languages Known : English, Hindi, Malayalam and Tamil, Japanese(beginner).

Permanent Address : Aswathy, puthuppally(s) P.O, kayamkulam

Alappuzha(dist), kerala, India 690527 Ph: 0479-2448298

Current address : Tama new town, Ochiai, 3-2-3-504 Tama-shi, Tokyo 2060033

Vishnu Sankar