用串口实现AT命令上网,下面的是连接注册上网的代码,可以参考
UART1_AT_Command("AT^SYSINFOEX\r\n",14,10);
UART1_AT_Command("AT+CEREG?\r\n",11,10);
UART1_AT_Command("AT^IPINIT=\"1234\"\r\n",18,10);
UART1_AT_Command("AT^IPINIT?\r\n",12,10);
UART1_AT_Command("AT^IPOPEN=1,\"TCP\",\"122.114.122.174\",37647\r\n",43,100);