Job Description :
Role: Embedded Tester
Location: Brea, CA
Duration: Contract
Objective: To develop low level device software for testing hardware. Linux, C, driver experience is must.
Job Description:
Strong Competency in C.
Competency in at least one Assembly Language.
Familiarity with U-Boot (from a developer perspective
Strong competency with Linux software development.
Strong Familiarity with Linux device Drivers.
Strong understanding of I2C, SPI, and MDIO.
Fair understanding of digital electronics.
Ability to read and understand circuit schematics.
Ability to effectively use a Volt/Ohm meter and an Oscilloscope.
Ability to effectively use a Logic analyzer.
Ability to perform at least basic electronics debugging/troubleshooting.
A good understanding of microprocessor internals (mostly the registers
An understanding of memory regions, and their uses (heap, stack, IVT, code
Working knowledge of hexadecimal numbers and hexadecimal math.
Excellent knowledge of what interrupts are and how they work in code.
An understanding of the different kinds of memory (RAM, ROM, Flash), the differences between them and how they are read, written, accessed.
Ability to use a debugger to perform at least simple operations such as setting breakpoints, single stepping, examining variable values, examining memory, examining registers - and understanding the when to enable and disable interrupts when single stepping using a debugger.
Ability to debug multi-tasking code.
The ability to read and understand datasheets, and produce driver code for a given device based on the information contained in its datasheet.
How to develop and debug code for peripherals such as UARTs, A/D & D/A converters, timers, PWM generation from a timer, real-time clocks, etc.
A good understanding of DMA (Direct Memory Access), and how to implement it for systems which have DMA capability.