Self test method often carries out under software. But a pure software self test method that can meet request at system level has some disadvantages.

自测试时常是在软件中实现的，但一种纯软件自测试方法在系统级满足要求时，会有若干缺点。

youdao

Then, the integrated and embedded self-test circuit was designed based on single chip ADUC812 and nixie tube etc. The self-test software was programmed based on assembly language.

采用ADUC812单片机、数码管等，设计了集成化、嵌入式的自检测系统硬件电路，并利用汇编语言编程实现了机内自检测软件。

youdao

Software consists of system initialization, self-test, measurement range selection, balance parameter setting, calibration coefficients determining, access programs of keyboard and LCD.

软件部分主要包括系统的初始化、自检、量程选择、平衡参数设置、定标系数确定、动平衡测量、键盘中断处理、彩色液晶显示等模块。

youdao