本程序为最小二乘法，已经在kei　上运行过，非常适应与pid的运算中-procedures for the least-squares method, in kei run-off, very Adaptation and the pid Operation

51单片机并口下载程序，适合51单片机的并口下载-51 single-chip parallel port download the program for 51 single-chip parallel port download

Manual of keil for arm，介绍kei的使用方法，包括基本的配置、运行环境、与ADS的比较和移植。-Manual of the keil for arm, introduced kei use, including basic configuration, operating environment, ADS comparison and transplantation.