发布时间 : 星期三 文章自行车简易数字里程表设计论文更新完毕开始阅读
if(yue == 0x01) yue = 0x13;
if((yue & 0x0f) == 0x00)
yue = (yue | 0x0a) - 0x10;
yue -- ;
} }
if(menu_2 == 7) //设置日
{
if(key_can == 3) //加 {
ri+=0x01;
if((ri & 0x0f) >= 0x0a) ri = (ri & 0xf0) + 0x10;
if(ri >= 0x32)
ri = 0; }
if(key_can == 4) //减
{
if(ri == 0x01) ri = 0x32;
if((ri & 0x0f) == 0x00)
ri = (ri | 0x0a) - 0x10;
ri -- ; } }
write_sfm2_ds1302(1,2,shi); //显示时
write_sfm2_ds1302(1,5,fen); //显示分
write_sfm2_ds1302(1,8,miao); //显示秒
write_sfm1(1,14,week); //显示星期
write_sfm2_ds1302(2,3,nian); //显示年 write_sfm2_ds1302(2,6,yue); //显示月
write_sfm2_ds1302(2,9,ri); //显示日
switch(menu_2) // 光标显示
{
case 1: write_guanbiao(1,2,1); break; case 2: write_guanbiao(1,5,1); break; case 3: write_guanbiao(1,8,1); break; case 4: write_guanbiao(1,14,1); break; case 5: write_guanbiao(2,3,1); break; case 6: write_guanbiao(2,6,1); break; case 7: write_guanbiao(2,9,1); break; }
write_time(); //把时间写进去 }
if(menu_1 == 2) {
if(menu_2 == 1) //设置速度
{
if(key_can == 3) //加 {
bj_shudu++;
if(bj_shudu >= 99) bj_shudu = 0; }
if(key_can == 4) //减
{
if(bj_shudu != 0) bj_shudu -- ;
}
}
if(menu_2 == 2) //把总量程清零 {
if(key_can == 3) {
zong_lc= 0; }
if(key_can == 4) {
zong_lc= 0; } }
write_sfm2(1,7,bj_shudu); //显示报警速度
write_sfm7(2,4,zong_lc); //显示
switch(menu_2) // 光标显示
{
case 1: write_guanbiao(1,6,1); break; case 2: write_guanbiao(2,3,1); break; }
write_eeprom(); } }
/****************报警函数***************/ void clock_h_l() {
static uchar value; if((shudu >= bj_shudu)) {
value ++; //消除实际距离在设定距离左右变化时的干扰 {
beep = ~beep; //蜂鸣器报警 } } else {
beep = 1; } }
/******************主程序**********************/ void main() {
// beep = 0;
delay_1ms(200) ;
P0 = P1 = P2 = P3 = 0xff; //IO口初始为电平
init_ds1302_io(); init_ds1302();
init_1602(); //1602初始化 init_int0();
time_init(); //定时器0初始化程序
init_eeprom(); //开机初始化保存的数据* while(1)
{ // shudu = 11;
key(); //按键程序 if(key_can < 10) {
key_with();
}
if(flag_200ms == 1) {
flag_200ms = 0;
read_time(); //读时间
if(menu_1 == 0)
init_1602_ds1302(); //显示时钟
menu_dis(); //计算速度函数
clock_h_l(); //报
警函数 } } }
/*********************外部中断0中断服务程序************************/ void int0() interrupt 0 {
static uchar value; switch(value) {
case 0:
t1_num = 0; //第一次就把变量清零
TH1 = 0; TL1 = 0; break; case 1:
t2_num = t1_num; //保存
TH11 = TH1; TL11 = TL1; flag_en = 1; break; } }
/*************定时器0中断服务程序***************/
void time0_int() interrupt 1 {
static uchar value; TH0 = 0x3c;
TL0 = 0xb0; // 50ms value++;
if(value % 4 == 0) flag_200ms = 1;
if(value >= 20) //1秒 才是一秒钟的速度 {
value = 0;
flag_1s = 1; } }
/*************定时器1中断服务程序***************/
void time1_int() interrupt 3 {
t1_num++; }