用来ＭＣＵ控制，ＭＯＤＥＭ拨号连接，并进行数据传输的被叫方程序-used MCU control, modem dial-up connections, and data transmission Called side procedures

基于LPC1759用状态机做的CDMA模块AnyDATA DTL518的代码，通过DMA与UART1通信，不占用CPU。主要包括上电时序初始化，拨号连接，短信接收和处理。其中用到cortex-m3的一些库函数，网上很好找-Based on LPC1759 using the state machine to do CDMA module AnyDATA DTL518 code via DMA communication with UART1, do not take up CPU. Includ

STM32 SIM900A GSM模块连接实验，功能：1，拨号测试—通过按KEY0按键进入此项测试。2，短信测试—通过按KEY1按键进入此项测试。3，GPRS测试—通过按WK_UP按键进入此项测试。-STM32 SIM900A GSM module connection test, Function: 1, dial test- KEY0 by pressing the button to enter this test. 2, SMS test- by pressing the KEY1 bu