Hariharan Veerappan

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 SystemsNetworks 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, CeleronProgramming 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, VxWorksRTOS                                       : ThreadX, FreeRTOS, mBED, uCLinux, mynewt.Micro Code                               : Trident, Wintegra, Freescale Quicc Engine. BSP Porting & DevelopmentHigh Speed Inteconnect             : PCI, PCIe 3.0, USB 3.0, SDIO.Memory Interfaces                     : DDR3, DDR2, Mobile DDR, PSRAMAudio / 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-BootAndroid                                     : 7.0 & below  Open SourceLinux 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 DomainLine 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 DevelopmentUSB Device                              : USB 3 Vision, USB Video Class, USB HID.PCIe Device                              : PCIe Data Acquisition Device, Ethernet, Video Capture, VisionTelecomm                                 : PTPv2 (IEEE1588), SyncE, MTP2 Stack with Freescale QE, Y.1731Networking                                : 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 DevelopmentLinux GUI Frameworks               : Qt, GTK, GTKMM, JAVAWindows GUI Frameworks: VC++, C#, VB.Net