针对MC2008POS机，实现读写IC卡、打印、SAM卡认证、FLSH读写与存储、键盘输入、屏幕显示、电源管理。M1卡、TI卡、CPU卡进行读写处理的代码-For MC2008POS machine, to achieve reading and writing IC card, print, SAM card authentication, FLSH read and write and storage, keyboard input, screen display, power manage

基于stm32单片机，利用gprs（sim300s模块）实现彩信发送程序-Stm32 microcontroller using gprs (sim300s, module) to achieve MMS to send a program