单片机电子时钟课程设计报告(5)

2019-01-07 12:20

writedata(num1[time/16]);

writecom(0x80+0x40+1+address); writecom(0x0f); }

void keyscan() //键盘扫描函数 {

if (0==k1) //K1时间停止 {

delay(10); if(0==k1) { num++;

while(num>0&&num<=8) {

if (0==k1) {

if(0==k1) { num++;

while(!k1)

{

switch(num) {

case 2: {

uint i; num++; a=1;

writecom(0x80+0x40+0x0e); writecom(0x0f); for(i=0;i<7;i++) {

time1[i]=ds1302rd(r[i]);; }

21

}

break; case 4: {

num++;

writecom(0x80+0x40+0x0b); writecom(0x0f); }

break; case 6: {

num++;

writecom(0x80+0x40+0x08); writecom(0x0f); }

break; case 8: {

num=0; a=0;

Ds1302Init(); delay(10);

writecom(0x0c); }

break; } } }

}

if(0==k2) {

delay(5); if(0==k2) {

while(!k2)

22

switch(num) //K2,时,分,秒加数 {

case 3: {

if(9==time1[0]) {

time1[0]+=6; }

time1[0]++; if(time1[0]==0x60) time1[0]=0;

showtime(0xd,time1[0]); }

break; case 5: {

if(9==time1[1]) {

time1[1]+=6; }

++time1[1]; while(0x60==time1[1]) time1[1]=0;

showtime(0xa,time1[1]); }

break; case 7: {

if(9==time1[2]) {

time1[2]+=6; }

++time1[2];

while(0x24==time1[2]) time1[2]=0;

Ds1302Init();

23

showtime(7,time1[2]); } break; } }

} if(0==k3) {

delay(5); if(0==k3) {

while(!k3)

switch(num) //K3,时,分,秒减数 {

case 3: {

if(0==time1[0]) {

time1[0]-=6;

if((0-6)==time1[0]) time1[0]=0x5a;

} --time1[0];

showtime(0x0d,time1[0]); }

break; case 5: {

if(0==time1[1]) {

time1[1]-=6;

if((0-6)==time1[1]) time1[1]=0x5a; }

--time1[1];

showtime(0x0a,time1[1]);

24

}

break; case 7:

} } } }

} }

void main() {

Ds1302Init(); LCDINIT(); while(1) {

keyscan(); rdtime(); display(); } }

{

if(0==time1[2]) {

time1[2]-=6;

if((0-6)==time1[2]) time1[2]=0x5a; } --time1[2];

showtime(0x07,time1[2]); }

break; }

25


单片机电子时钟课程设计报告(5).doc 将本文的Word文档下载到电脑 下载失败或者文档不完整,请联系客服人员解决!

下一篇:八年级上册道德与法治第二次月考试题

相关阅读
本类排行
× 注册会员免费下载(下载后可以自由复制和排版)

马上注册会员

注:下载文档有可能“只有目录或者内容不全”等情况,请下载之前注意辨别,如果您已付费且无法下载或内容有问题,请联系我们协助你处理。
微信: QQ: