无线终端课程设计

1、武汉理工大学华夏学院信息工程 无线终端设计技术结课报告课 程 名 称 结 课 成 绩 学生姓名、学 号 学 生 专 业 班级 指 导 教 师 姓名 摘要： td标准在国内通信领域占据半个3g市场，td终端成为工业设计的不可或缺的通信平台。工业技术不断的发展，使得工业产品中模块集成度增加，模块间的耦合度减弱，通信性能加强，特别是成本比较低廉的串口使用比较广泛。通过通信技术，主控设备控制终端设备，终端设备向主控设备报告自己的状态。技术的更新要求这种通信速率越来越高。然而，工业产品在满足需求的同时，也要考虑到成本高低。1、 需求分析（功能需求、界面需求、内部功能）（1）按键图确定具体位置确定列数扫描

2、列数确定行数先扫描行（2）at指令流程图 电话卡激活到打电话取消休眠激活sim卡激活协议栈注册网络号码被叫呼叫号码ata接听ath挂断电话接通对方挂机结束结束ath挂断注销网络 关机流程sim卡注销关机（3）串口进入中断处理程序在串口通信过程中，对信号的检测非常严格。所以，接收数据时一般采用单片机串口中方式，可快速响应串口数据的接收，其程序流程如下 ：是否是接收y设置标志位yn缓冲区是否满？n缓冲区下标志c信息读取到缓冲区处理程序结束2、 程序设计 主程序 #include #include uart_key.h#include lcd_12864.h#include delay.h#incl

3、ude at.h/sbit fmq=p24;void main() unsigned char a,flag1,flag2,askcalling11; unsigned char i;fmq=0;usart1_init();init_lcd();clr_scr();printstr(0,2,李欢!);td_init();/请补充初始化程序delayms(2000); td_poweron();/请补充开机delayms(2000); printstr(2,0,*);while(1) delayms(200);a=check_key();if(a0) if(a=e) printstr(4,0,拨

4、号:); flag1=1; if(i=11) i=0;flag1=0;/请补充 td_calling(askcalling); if(flag1) if(a=0) if(i0) i-;num_disp8(4,i+5, ); a=0;else if(a=c) td_poweroff(); /* if(td_detectcalling()0) td_answer();/ flag2=0;*/ 电话卡的一系列 #include #include #include uart_key.h#include delay.h#include lcd_12864.h#include at.hextern vol

5、atile unsigned char answerisok,answeriscall,answerishang,answerisno,answerisring,answerisbusy;extern unsigned char answerphonenumb12; void td_init(void)do sendstr1(atdslp=0,0rn);/请补充取消休眠功能这一步很重要clearoneline(2);printstr(2,0,初始化中.);delayms(600);clearoneline(2);if(!answerisok) printstr(2,0,初始化失败!);dela

6、yms(600);while(!answerisok);answerisok=0; printstr(2,0,初始化成功!);delayms(1000);/return 1;void td_poweron(void) /*激活sim卡*/dosendstr1(at+cfun=5rn);/请补充激活 sim/usim 卡，可以根据这条指令检测 sim/usim 卡是否在位clearoneline(2);printstr(2,0,激活sim卡.);delayms(700); printstr(2,0,激活sim卡.);delayms(700); printstr(2,0,激活sim卡.);dela

7、yms(700); printstr(2,0,激活sim卡.);delayms(700);clearoneline(2);if(!answerisok) printstr(2,0,激活失败!);delayms(700);while(!answerisok);answerisok=0; printstr(2,0,激活成功!);delayms(1000);/*开机*/dosendstr1(at+cfun=1rn);/请补充开机功能full functionality(power on)clearoneline(2);printstr(2,0,开机中.);delayms(500);printstr(

8、2,0,开机中.);delayms(500);printstr(2,0,开机中.);delayms(500);clearoneline(2);if(!answerisok) printstr(2,0,开机失败!);delayms(2000);while(!answerisok);answerisok=0; printstr(2,0,开机成功!);delayms(1000);/*开机*/do sendstr1(at+cops=0rn);/请补充注册网络 /时间稍长先返回ok，再返回数据clearoneline(2);printstr(2,0,注册网络.);delayms(500);printst

9、r(2,0,注册网络.);delayms(500);printstr(2,0,注册网络.);delayms(500);clearoneline(2);if(!answerisok) printstr(2,0,注册失败!);delayms(500);while(!answerisok);answerisok=0; printstr(2,0,注册成功!);delayms(5000);clearoneline(2);/printstr(2,0,您现在可以打电话了!);/return 1;void td_poweroff(void)/*注销网络*/do sendstr1(at+cops=2rn);/请

10、补充注销网络clearoneline(2);printstr(2,0,注销网络.);delayms(500);printstr(2,0,注销网络.);delayms(500);printstr(2,0,注销网络.);delayms(500);printstr(2,0,注销网络.);delayms(500);clearoneline(2);if(!answerisok) printstr(2,0,注销失败!);delayms(500);while(!answerisok);answerisok=0; printstr(2,0,注销成功!);delayms(1000);do sendstr1(at

11、+cfun=6rn);/请补充sim/usim 卡注销无返回值clearoneline(2);printstr(2,0,注销sim卡.);delayms(500);printstr(2,0,注销sim卡.);delayms(500);printstr(2,0,注销sim卡.);delayms(500);clearoneline(2);if(!answerisok) printstr(2,0,注销sim卡失败!);delayms(500);while(!answerisok);answerisok=0; printstr(2,0,注销sim卡成功!);delayms(1000);dosendst

12、r1(at+cfun=0rn);/请补充设置模块最小功能（关机）clearoneline(2);printstr(2,0,关机中.);delayms(700);printstr(2,0,关机中.);delayms(700);printstr(2,0,关机中.);delayms(700);clearoneline(2);if(!answerisok) printstr(2,0,关机失败!);delayms(700);while(!answerisok);answerisok=0; printstr(2,0,关机成功!);delayms(1000);clearoneline(2);printstr

13、(2,0,再见!); void td_calling(unsigned char *phonenumber) unsigned char temp18;/3+11+3memset(temp,0,sizeof(temp);memcpy(temp,atd,3);memcpy(temp+3,phonenumber,11);memcpy(temp+3+11,;rn,3);dosendstr1(temp);clearoneline(4);printstr(4,0,在连接.);delayms(500);while (!answerisok);answerisok=0;clearoneline(4);pri

14、ntstr(4,0,连接成功,等对方应答!);delayms(500);while(1)if(check_key()=c)clearoneline(4);clearoneline(6);td_hangup();break; if(answeriscall) clearoneline(4);clearoneline(6);printstr(4,0,通话中.);answeriscall=0;if(answerishang) clearoneline(4);clearoneline(6);printstr(4,0,对方已挂机!);answerishang=0;break; if(answerisno

15、) clearoneline(4);clearoneline(6);printstr(4,0,无应答!);answerisno=0;break; if(answerisbusy) clearoneline(4);clearoneline(6);printstr(4,0,用户忙!);answerisbusy=0;break; unsigned char td_detectcalling(void)unsigned char temp17;/while(answerisring)if(answerisring)fmq=1;clearoneline(4);memcpy(temp,answerphon

16、enumb,11);memcpy(temp+11,来电!,5);printstr(4,0,temp);answerisring=0;return 1;/delayms(1000);else fmq=0;return 0; void td_answer(void) while(1)if(check_key()=e)td_answercalling();clearoneline(4);printstr(4,0,通话中.);delayms(500); if(check_key()=c)td_hangup();break; if(answerishang) clearoneline(4);printstr(4,0,对方已挂机!);answerishang=0;break; void td_answercalling(void)dosendstr1(atarn);/请补充应答功能clearoneline(4); printstr(4,0,应答中.); delayms(1000); while(!answerisok) ;printstr(4,0,请通话!); answerisok=0;fmq=0;void td_hangup(void) d