单片机控制SIM900模块来发送彩信的程序代码

void Caixin_fa(void){uint16_t i;        UART4_printf(UART4,"ATIr");Delay_ms(500);        UART4_printf(UART4,"AT+CPIN?r");        //查询SIM卡状态，正常+CPIN:READYDelay_ms(500);    UART4_printf(UART4,"at+cmmsinitr");    //初始化彩信Delay_ms(500);    UART4_printf(UART4,"at+cmmscurl="mmsc.monterner.com"r");    //配置中国移动手机彩信中心地址        Delay_ms(500);    UART4_printf(UART4,"at+cmmscid=1r");    //设置承载上下文IDDelay_ms(500);    UART4_printf(UART4,"AT+CMMSPROTO=1"10.0.0.172",80r");    //设置mms协议属性Delay_ms(500);    UART4_printf(UART4,"at+cmmssendcfg=6,3,0,0,2,4r");    //设置mms的发送参数Delay_ms(500);/**/    UART4_printf(UART4,"at+sapbr=3,1,"contype","gprs"r");Delay_ms(500);/**/    UART4_printf(UART4,"at+sapbr=3,1,"apn","cmwap"r");Delay_ms(500);/**/    UART4_printf(UART4,"at+sapbr=1,1r");Delay_ms(500);/**/    UART4_printf(UART4,"at+sapbr=2,1r");        Delay_ms(500);    UART4_printf(UART4,"at+cmmsedit=0r");    //关闭编辑状态，这样在模块的buff区的数据将被删除Delay_ms(500);    UART4_printf(UART4,"at+cmmsedit=1r");    //打开编辑状态，这个状态才可以发送mmsDelay_ms(1000);    UART4_printf(UART4,"at+cmmsdown="pic",4004,100000r");    //设置发送的图片的大小(byte)和需要用来传输的时间100000ms，4051这个Delay_ms(1000);for(i=0;i<4004;i++)   //while(i<sizeof(hua)){UART4_Send_Byte(dsp_picture[i]);}    UART4_printf(UART4,"r");    //结束符号Delay_ms(1000);    UART4_printf(UART4,"at+cmmsdown="title",12,10000r");    //设置发送的mms的名字，大小，时间Delay_ms(500);    UART4_printf(UART4,"ZhiNengJiaJu");    //发送名字，huaDelay_ms(500);    UART4_printf(UART4,"at+cmmsdown="text",8,10000r");    //设置发送的mms的文本内容，小于1000bytesDelay_ms(500);    UART4_printf(UART4,"picture!");    //文本内容Delay_ms(500);    UART4_printf(UART4,"at+cmmsrecp="15034155113"r");Delay_ms(500);    UART4_printf(UART4,"at+cmmsviewr");    //查看发送的内容是否已经存入模块Delay_ms(500);    UART4_printf(UART4,"at+cmmssendr");    //发送mmsDelay_ms(10000);    UART4_printf(UART4,"AT+CMMSEDIT=0r");    //关闭编辑状态    Delay_ms(500);}void Duanxin_fa(void){    UART4_printf(UART4,"ATIr");Delay_ms(200);    UART4_printf(UART4,"AT+CNMI=2,1r");    //短信提示，状态有OK回复Delay_ms(200);    UART4_printf(UART4,"AT+CMGF=1r");    //英文方式发送，状态有OK回复Delay_ms(200);    UART4_printf(UART4,"AT+CMGS="18535125132"r");    //发送接收的手机号码,样例AT+CMGS="18622944083"Delay_ms(200);    UART4_printf(UART4,"HELLO!");   puts(&end_char); //以0x1a来结束，表示内容结束，发送短信}修改波特率：  AT+IPR=115200查询信号强度：AT+CSQ   （返回+CSQ:23，0表示信号强度23）（十六进制41 54 2B 43 53 51 0D）SIM卡厂商：   AT+COPS? （+COPS: 0,0,"CHN-UNICOM"表示中国联通）收到信息返回：+CMTI:"SM",1（1表示信息在第一条）读取英文短信：AT+CMGR=X   （x表示信息在第x条,此处为1）回车：0x0D换行：0x0A