Bluehatsoft's Xilinx ZynQ expertise

Medical diagnostic device (Soft tissue scanner)

• Board bringup and BSP development of a handheld medical device based on Xilinx Zynq
• Development of Linux kernel driver (petalinux 16.04) for a custom IP utilizing ARM PL303 DMA engine
• Bug fixes in the software stack (Android <==> Linux <==> Custom IP) in h/w to achieve a frame rate of 20FPS (Delivered 30FPS)

Pharmaceutical device (Nanoliter scale liquid displacer)

• Board bringup and BSP customization for a custom board based MicroZed (Xilinx Zynq) board
• Implementation of Asymmetric Multi Processing (AMP) on ZynQ with Petalinux on core0 and FreeRTOS on core1
• Microarchitecture design of a custom IP aimed for facilitating rapid transfer of data blocks for AMP system
• Development of Linux kernel driver (petalinux 15.04) and FreeRTOS for this IP
• Userspace library implementation for upper layers to transfer data to FPGA
• The delivered stack (userspace <==> Kernel Driver <==> FreeRTOS <==> FPGA)
• The stack outperformed all expectations of the client (1500uS RTT expected, delivered 90-120 uS)

Mission critical networking devices (Submarine seabed cables and opto-amplifiers)

• Design and implementation of FSBL extensions for failproof system upgrades
• Liaison and design review with Xilinx for a custom IP design to facilitate failproof system upgrades
• Board bringup and BSP customization (FSBL and u-boot) for custom board with ZynQ
• Linux+FreeRTOS Asymmetric Multi Processing (AMP) implementation with peripheral partitioning and custom IP extensions for QSPI
• Design and implementaiton of QSPI flash driver (custom IP on FPGA) and custom GIC routing for SPI flash access

Infotainment/Entertainment devices

• Design and implementation of a data transport component to transmit real time data to FPGA for processing from external interfaces
• Design and implementation of a data transport component to real time data process results for decision making to the CPU
• Design and implementation of a PCIe endpoint driver implemented in FPGA with custom processing (Synopsis EP IP) in Petalinux
• Bug fixes for Xilinx driver for PL303 DMA engine

Bluehatsoft's ST Microelectronics Micro Controllers' expertise

Logistics and Container tracking solutions

• Baremetal drivers on STM32F103xx for GPRS, GPS and RF Transmitter/Receiver
• Low level API design and implementation for data analysis threads for location analysis using GPRS triangularization
• Low level API design and implementation for upper layer initiated GPS/Satellite phone connectivity and signal strength
• Software driver and API design and implementation for RF transmit and receive components
• Low level API design and implementation for power saving and battery longevity forecast

Medical devices

• Baremetal drivers on STM32F103xx for sensors and transducers to control motor speed, air volume and air temperature
• Baremetal state machine implementation for fixed temperature and fixed volume air displacement with custom control of both parameters for a medical device for killing lice on scalp

Bluehatsoft's NXP/Kinetis micro controller expertise

Automotive industry devices(S9KEAZ128 and S9KEAZ64)

• Baremetal driver design and implementation for on-chip 16 channel ADC for various sensors in the vehicle
• Baremetal driver design and implementation for automatic and manual control for cooling fan
• Baremetal I2C and SPI driver implementation for temperature sensors in the vehicle
• Porting of LIN stack from NXP to run on baremetal S9KEAZ64
• QNX interfacing drivers over SPI for data transfer to/from uCs

Bluehatsoft's Freescale iMX6 expertise

Oil and Natural Gas / Petrochemical industry devices

• Reference board selection for a network of SCADA control systems to facilitate robust system performance with minimal downtime
• Liaison with off the shelf board manufacturer for SDK bug fixes
• Bug fixes on Android kernel in stock SD/MMC drivers and touchscreen drivers

Bluehatsoft's MIPS64 and ARM64 expertise

Telecommunication base-station equipments

• Bootloaders and Pre-boot loaders
  • PCIe controller (Synopsis IP and custom glue logic) IP verification
  • PCIe enumeration and device detection spanning multi-level PCI switches
  • Driver development for a proprietary cache-coherent bus controller (12.025Gbps)
  • Algorithm implementation for for Multi-Socket topologies (SMP) for resource discovery and building ACPI SRAT tables
• PCIe Micro architecture design of PF/VF interrupt and mailbox mechanism – MSI-X
• Drivers (VF and PF) for a proprietary descriptor ring structure IP
• Linux drivers and core kernel
  • Core kernel driver for XLP's PCIe controller
  • Implementation of INTx, MSI and MSI-X dispatch routines for core kernel pci driver subsystem
  • Implementation of driver for proprietary glue logic on USB3.0 xHCI IP (Synopsis)
  • First time implementation of MIPS NUMA interface to Linux CPU frequency governors for power management based on MIPS PIC constant frequency timer base code
  • Fixed frequency PIC timer to replace HPET in linux kernel (MIPS)
  • CPU speed governor driver based on constant frequency system clock and proprietary logic on XLP