文档介绍：#include""#include""#include<>#include<>externu8flag;externunsignedcharkaiguan[];externchardata[];externlongi;unsignedcharoutput[];unsignedcharnum[]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39};unsignedcharat_[]={0x41,0x54,0x0D,0x0A};//AT回车phone_num1[15]={0x22,0x31,0x35,0x38,0x35,0x32,0x39,0x30,0x34,0x33,0x34,0x32,0x22,0x0d,0x0a};u8a;voiddelay(intx){inty,i;for(i=0;i<20000;i++){for(y=0;y<x;y++){}}}voidGPIO_Config(){GPIO_InitTypeDefGPIO_InitStructure;RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1|RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOE|RCC_APB2Periph_AFIO,ENABLE);RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2,ENABLE);=GPIO_Pin_9;=GPIO_Mode_AF_PP;GPIO_Init(GPIOA,&GPIO_InitStructure);=GPIO_Pin_10;=GPIO_Mode_IN_FLOATING;GPIO_Init(GPIOA,&GPIO_InitStructure);}voidUSART1_Config(void){USART_InitTypeDefUSART_InitStructure;=115200;=USART_WordLength_8b;=USART_StopBits_1;=USART_Parity_No;=USART_HardwareFlowControl_None;=USART_Mode_Rx|USART_Mode_Tx;USART_Init(USART1,&