David García Facio Email & Phone Number

Hanover, De

Hanover, De

Projects Summary:IP Ethernet platform and application support -- Qualcomm package support: QCMAP, IPv6 Radish, IPA and SFE. Bug fixing and analysis plugins usage: dmesg, systemd, systemctl, sysctl, iptables, conntrack, ip and dnsmasq. Networking knowledge in ip routing design, vlans, firewall, IPv4, and IPv6.Customers: GM and Daimler.Responsibilities:• ARM Linux kernel, services, opensource package porting and patches.• Development of bash scripts and C/C++ applications.• Code versioning using Git.• Working based on SCRUM and/or Kanban methodologies.

Hanover, De

Projects Summary:Wifi platform support -- Wifi libraries maintenance, bug fixing and analysis plugins: iwpriv, wpa_supplicant, connman, hostapd, dbus and dnsmasq. Networking knowledge in IPv4, and IPv6.Customers: PSA, Ford, and Volvo.Responsibilities:• ARM Linux kernel, services, opensource package porting and patches.• Development of bash scripts and C/C++ applications.• Code versioning using Git.• Working based on SCRUM and/or Kanban methodologies.

Arcos Vallarta, Jalisco, Mx

Projects Summary:AMI (Advanced Metering Infrastructure) Firmware Maintenance -- Implementation of smart grid devices using ZigBee 2.0 for power consumption. The wireless metering system is used to control and transmit the power consumption information to supplier central. This system is composed of: • WiSAC (Wireless Sensor and Controller) based on PIC32MX460F512L Microchip 32 bits microcontroller and MRF24J40MD 2.4 GHz RF Transceiver.• Meter based on a MSP430 Texas Instruments 16 bits microcontroller.• SmartHub based on Intel NUC with Linux and 800 MHz TCP/IP LAN.Customers: CFE Jalisco and CDMX.CFE NOM G0-100-05 Certification -- Development of new AMI platform using ON-Semiconductor NCN49597 Power Line Communication (PLC) Modem, XBee-PRO 900 HP Transceiver (DigiMesh over 900 MHz) and STM32 Host Microcontrollers.Responsibilities:Firmware programming for PIC32MX460F512L microcontroller, knowledge in Microchip Zigbee stack using MRF24J40MD/ME RF transceiver module for smart grid devices. Development of libraries for PLC stack (physical, link and application layers) on C/C++. Migration of Digi stack for DigiMesh on STM32 microcontroller and design of software tools. Programming of I2C, USART, USB and SPI drivers. Working in agile (scrum) methodology to fix defects, bugs and plan features. Source code versioning in SVN. Documentation.

Mx

Projects summary:Foreign Exchange Rate Display -- Complete product design: Hardware, firmware and frontend software development. Users: Azteca Bank.Responsibilities:Firmware programing using AVR 16 bits microcontrollers. Development of RTOS scheduler to manage RS485 MODBUS and TCP/IP LAN Communications. Implementation of Webservices in ASP/C# to allow the communications between .NET User Platform (Azteca Bank Server) and the own designed hardware. Design of software tools in C#, Python and Bash Scripting to test TCP/IP over LAN Communications. Hardware design in Altium. Source code versioning in Git. Documentation.

Jilotzingo, Estado De México, Mx

Projects summary:Power and Environment Monitor System -- Develop of firmware using Freescale Cold Fire V2 microcontroller to monitor energy consumption and environment conditions inside IT racks. Sending SNMP traps in case of operation/energy quality errors. Users: HSBC Bank, Telcel.IoT -- Design of smart meters for power and environment monitoring in order to offer better plan consumption based on needs of home/office customers. Sending and receiving information via Bluetooth LE (Texas Instruments CC2541 and CC2560) and WiFi (Texas Instruments CC3000).Digital Cinema Automation -- Escalation of Power and Environment Monitor System which was able to interact with DOREMI Server and BARCO projector via TCP/IP protocol. Users: Cinepolis.Remote Sound Fader -- Firmware design using Texas Instruments MSP430 microcontroller for cinema volume control devices such as DOLBY CP650 and CP750. Users: Cinepolis.Responsibilities:Embedded software development using Freescale MQX RTOS for Cold Fire V2. Usage of TCP/IP protocol stack for Freescale MCF52259. Bootloader over TFTP. Firmware and drivers programming in IAR and Code Composer Studio for Texas Instruments MSP430 microcontrollers. Design of software testing tools in C/C++, Java, Python and Bash. Knowledge in Bluetooth, WiFi and LAN Communications. Source code versioning in Git. Documentation.

Azcapotzalco, Ciudad De México, Mx

Projects summary:Ethernet TCP/IP to RS232 Converter -- Hardware and firmware design of an ethernet TCP/IP to RS232 converter device. Using Microchip 16 bits microcontroller PIC18F2550. Users: Walmart.Ultrasonic Parking Vehicle Detection Network -- Hardware and firmware re-design of ultrasonic sensor network for parking-vehicle detection based on 485 network. Using Microchip 16 bits microcontroller PIC18F2550. Users: Walmart.Responsibilities:Hardware design in Altium and firmware programming for Microchip microcontrollers. Knowledge in TCP/IP over LAN communications. Design proposal based on business logic and reutilization of devices/software components. Documentation.