一个控制设备中接收发送短信部分的驱动。分析短信pdu，并根据相应的7bit,8bit或16bit模式解析出实际短信文本，对于中文还包括了unicode到gb2312的转码。硬件平台stm32103VB，用Keil写的-A control device to send text messages to receive part of the drive. Analysis of SMS pdu, and in accordance with the corresponding 7bit, 8bit