He Xiongjun Email & Phone Number

Shanghai Suburb, China

HW: Nexus Player, Qualcomm i.MX6, RaspberryPi3, Nexus 7/9, S5P4418SW: Linux, Android 4.4~7.1, LibreELEC, UbuntuSkills and technology： BlueZ, BlueDroid, Android Service, Android HAL/JNI, Kernel Driver(ALSA, input, Bluetooth, USB Host Driver)Binder, C++/Qt, GLibResponsibilities: - BLE Single-Mode Controller Adaption in Android BlueDroid(libbt-vendor.so) and Linux BlueZ - Development of Remote Control Solution for Android and Linux Host - Debugging the BLE Android APK - Writing Linux Audio driver(ALSA) and input driver to generate a virtual sound card for Voice Over BLE - Writing Technical, user-guide documents - Writing Android APK to capture and decode the audio data got from BLE Remote Controller - Writing Android Audio Hardware module and Android Native Service to transfer the audio data to Android Audio System - Write USB sniffer driver to bridge the USB Host and OTG transmition- Writing PulseAudio modules to get and decode the audio data through HID(HoGP) in Linux- Writing GUI program using Qt and on-line voice Restful API to do the voice recognition

Shanghai Suburb, China

SW: Linux, YoctoProject1: 4G IoT Client Board(TI AM335X)Responsibilities: - Build custom Linux based OSes for production and Manufacturer - Develop and adapt device driver for production(IIC, SPI bus peripheral, 4G Modem, USB WIFI)- Using the NetworkManager and ModemManager to manage multiple network access devices(4G/3G/2G, WIFI, Ether)- Debugging HW and SW and benchmark- Make SDK using Yocto for Application developers- Write recipes in Yocto to add packages/librariesProject2: BSP Update for Custom Board(Freescale i.MX6Q)Responsibilities: - Bring-up new kernel and U-boot to the custom board- Porting and adaption device driver for custom board (eMMC, SD, SATA, TouchScreen, LVDS Display, HDMI, WM8960 Codec, USB Host/OTG)- Adapt Android 6.0.1 and Ubuntu 14.04 to custom board

Shanghai City, China

HW: Renesas Cortex-A7, A9, A15, Freescale i.MX6, BeagleBone BlackSW: Linux, Android, YoctoResponsibilities: - Port packages (from base libraries to wayland/weston) from Yocto to Linux based IVI OS- Integrate the vendor and device specific components (eg:libEGL) to Linux based IVI OS- Write shell scripts and tools to automate build release processes- Maintain the BSP (U-Boot, Linux Kernel) repositories, tracking the upstream repo- Build BSP, adapt the U-Boot and Linux kernel to custom board- Integrate and adapt Linux device driver for peripheral devices- Develop Linux device driver for debugging and logging- Write tools and scripts to automate reproduce the bugs or issues of SW/HW- Setup Linux development Servers for team members- Investigate and debugging the cause of kernel freeze and panic- Use ARM DStream/StreamLine to find performance problem- Make tools to help reproduce the bug- Research the Optimization methods of IVI OS booting up, from Bootloader, kernel to userspace init initialization, including: add hibernation/S2D support to i.MX6 add capability for U-Boot to booting OS from hibernation image