Along with the maturity and stableness of hardware technology, the embedded software becomes more complex and occupies more and more time during the whole development period of embedded system.

• 随着硬件技术的相对成熟和稳定,嵌入式软件在整个嵌入式系统开发周期中所占的比重越来越大,复杂程度也越来越高。