Embedded systems structural design is impending from systems engineering standpoint, more than a few representations (Embedded systems life cycle models) can be functional to illustrate the life cycle of embedded systems design. Most of these representations are based in the lead one or several mixture of the following development models:
Big Bang Model: There is fundamentally No planning, No processes prepared earlier than and throughout the development life cycle of the system. Big Bang is a cosmological model of preliminary circumstances and succeeding development of world that is supported by the majority wide-ranging and precise enlightenment from present methodical facts and inspection. The term Big Bang commonly refers to the design that the cosmos has prolonged from primeval burning and thick preliminary circumstance at several restricted point in time in the history.
Code and Fix Model: The requirements are defined, but no strict processes are prepared earlier than the beginning of development. It is a especially simple type of the model. Mainly it consists of two steps.
Step 1. Writing the source code (development)
Step 2. Find and Fix the bugs in that source code (Bug Fixing)
Code and Fix Model is used in first phase of the software development. It can be used with small systems which do not necessitate maintenance.
Waterfall Model: There is a process for developing a system design in steps, where outcome of one step drive into the subsequent step. The waterfall development life cycle model has it is beginning in the manufacturing and construction industries; it is extremely planned physical environments in which following the fact revolutionize are prohibitively expensive, if not impracticable. As no official software development methodologies survived at the occasion, this is hardware oriented model was simply custom-made for software development.
Spiral Model: There is a process for developing a system design in steps, and all the way through the various steps, response (feedback) is obtain and implemented support into the process. The spiral model (Also known as spiral lifecycle model or spiral development) is a software development process, adding device of both in design and prototyping, in an attempt to unite advantages of top down and bottom up conceptions. Information technology (IT) uses systems development method (SDM) Spiral Model combines the characteristic of the waterfall model and the prototyping model.
Embedded Systems Development Lifecycle Model
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