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Hariharan Veerappan
Instructor

Hariharan Veerappan

System Software Developer

Total students
1,123
Reviews
125

About me

Having 14+ years of experience in complete end-to-end embedded software design & development includes,

• Embedded Linux Software System Design & Development

• Development of Embedded Linux / Android Device Drivers

• Protocol Stack & Telecommunication Standards Implementation

• Embedded Firmware Design, Development and testing

• Device driver development for Windows XP, WinCE, Windows 7 platform

• BSP, Device Driver, Application development based on VxWorks platform

• Professional Trainer of Embedded Linux, Device Drivers, Firmware Programming. 


Embedded Systems

Networks Processors                 : Broadcom Apollo, Trident 2, MPC8360E, MPC8568E, AR7100.

Multi Media Processors              : Nvidia TK1, NXP i.MX series, S3C2440A, PNX8532, ST5189.

Intel Processors            : Baytrail, Sky Lake, Apollo Lake, Haswell, Celeron

Programming Language             : C, C++, and ARM Assembly.

Micro Controller                         : Kinetis, STM32, nRF52xxx, TI Tiva Series, ATMEL AVR, LPC2136.

ARM Bus Interfaces                   : AMBA, AXI, AHB, AHB Lite, APB,

Operating Systems                    : Embedded Linux, Windows, QNX, VxWorks

RTOS                                       : ThreadX, FreeRTOS, mBED, uCLinux, mynewt.

Micro Code                               : Trident, Wintegra, Freescale Quicc Engine.

 

BSP Porting & Development

High Speed Inteconnect             : PCI, PCIe 3.0, USB 3.0, SDIO.

Memory Interfaces                     : DDR3, DDR2, Mobile DDR, PSRAM

Audio / Voice Interfaces             : I2S, AC97, TDM.

Low speed interconnect             : SPI, USART, I2C.

Ethernet PHY interface              : MII, RMII, RGMII, XAUI.

Display Interface                        : HDMI, DVI, LVDS, Parallel LCD.

Camera Interface                       : MIPI-CSI2, Parallel CSI, USB.

Bootloader                                 : U-Boot, Grub, Red-Boot

Android                                     : 7.0 & below

 

 

Open Source

Linux Kernel                              : Linux 4.x, 3.x 2.6.x, 2.4.

Linux Device Drivers                  : Character, PCI, Ethernet, Network, Display, Video V4L2 device drivers.

Boot Loaders                             : U-Boot  ( I.MX, MPC8360, S3C2440 ), Red Boot ( I.MX31, I.MX27 )

Open Source Framework            : Android, Machina IoT, Asterisk, Freeswitch, OPIE Framework, Linux Streams.

Software Version Control            : Git, SVN, CVS, IBM Clear Case.

 

Telecom Domain

Line Interfaces                          : FXS, FXO, T1 / E1, OC3 / STM-1.

Telecom Signaling standards      : ISDN-PRI, FXS and FXO.

SS7 Line Interfaces                   : Low Speed Line ( MTP2 ), High Speed Line ( ATM ).

SS7 Signaling Standards            : MTP, ISUP, SCCP, TCAP, SAAL, SSCOP, SSCF.

SS7 IP Signaling standard          : SCTP, M2UA, M3UA, BSSMAP, DTAP.

L3 Protocols  Known                  : TCP/IP, SIP, RTP, RTCP,  MGCP, VLAN.          

GSM Network Interface              : GSM A Interface ( BSC – MSC ).

Video Telephony                        : H-324M, MPEG4 H.264, H.263

 

Software Stack Development

USB Device                              : USB 3 Vision, USB Video Class, USB HID.

PCIe Device                              : PCIe Data Acquisition Device, Ethernet, Video Capture, Vision

Telecomm                                 : PTPv2 (IEEE1588), SyncE, MTP2 Stack with Freescale QE, Y.1731

Networking                                : VLAN, MPLS, UDP, MEF8, OSPF.

Bluetooth                                  : HCI-H5 (Three-Wire UART), BLE.

Radio Interface                          : Digital Mobile Radio, ZigBee, 6LowPAN.

Internet of Things                      : Smart Lighting, Smart Home

 

Application Development

Linux GUI Frameworks               : Qt, GTK, GTKMM, JAVA

Windows GUI Frameworks: VC++, C#, VB.Net

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