motorola的电子钟

声控电子钟初具有普通钟的功能外,还具有15秒钟休眠功能,此时当接收到触发端触发后,点亮显示屏,显示当前时间并在15秒后关闭。以节省电能。亦可晚上睡眠时使用。

#include /* for EnableInterrupts macro */
#include /* include peripheral declarations */
unsigned char counter=0;
unsigned char second,minute,hour;
unsigned char second0,second1;
unsigned char minute0,minute1;
unsigned char hour0,hour1;
unsigned char gleaming,task;
unsigned char hs;
#define TskSetHour 0
#define TskSetMinute 1
#define TskSetSecond 2
#define TskPrint 3
#define TskSleep 4

void delay(int);
void ScreenOpen(void);
void IncreaseTime(void);
void Translate(void);
void send_command(unsigned char);
void send_single_command(unsigned char);
void send_double_command(unsigned char);
void PrintToZLG7289(void);
void GleamingHour(void);
void GleamingMinute(void);
void GleamingSecond(void);
void GleamingNone(void);
void ChangeStatus(void);
void Increase(void);
void Decrease(void);
void boot(void);

void boot(void)
{/*PLL初始化*/
    PCTL_BCS=0;
 PCTL=0x00;     //禁止PLL
 PBWC=0x80;     //自动控制方式
 PMSH=0x02;     //反馈分频器因子高位N=02H
 PMSL=0x58;     //反馈分频器因子低位N=58H
 PMRS=0x80;     //因子L=80H
 PCTL=0x22;     //P=0,E=2,启动PLL
 PCTL_PLLON=1;  //启动压控振荡器时钟
 PBWC_LOCK=0;   //LOCK位为0,频率未稳定,等待
 PCTL_BCS=1;    //频率已锁定,选PLL作为时钟源
}

void main(void) {
 CONFIG2=0x01;  //stop模式下禁止振荡器工作;内部总线时钟用作SCI的时钟
 CONFIG1=0x3d;  //COP溢出范围在2^18-2^4个CGMXCLK时钟周期;禁止COP模块
 DisableInterrupts;
 boot();
 T1SC=0b01000110;
 T1MODH=0x96;
 T1MODL=0x00;
 
 DDRA=0x00;
 DDRC=0x0f;
 DDRB=0xff;
 DDRD=0xff;
 DDRE=0xff;
 INTKBSCR_MODEK = 1;  //选择触发方式为下降沿和低电平
   INTKBSCR_IMASKK = 1; //禁止键盘中断
   INTKBIER = 0xff;       //A口都作为键盘输入
   INTKBSCR_ACKK = 1;  //键盘响应置1,用于清除IREQ
   INTKBSCR_IMASKK = 0;   //允许键盘中断
 hour=16;
 minute=27;
 second=55;
 hs=0;
 gleaming=0x0a;
 task=TskPrint;
 PTC_PTC0=1;
 GleamingNone();
 EnableInterrupts;
 for(;;);
}

void delay(int k){
 int i;
 for (i=0;i<=k;i++);
}

void ScreenOpen(void){
 char i;
 if (task==TskSleep) counter++;
 if (counter==15) {
  for(i=0;i<=8;i++){
   delay(30000);
   delay(30000);
   send_single_command(0xa1);
   counter=0;
  }
  PTC_PTC0=0;
 }
}

void IncreaseTime(void){
 second++;
 if (second==60){
 second=0;
 minute++;
  if (minute==60){
  minute=0;
  hour++;
   if (hour==24){
    hour=0;
    }
  }
 }
}

void Translate(void){
 second1=second/10;
 second0=second-second1*10;
 minute1=minute/10;
 minute0=minute-minute1*10;
 hour1=hour/10;
 hour0=hour-hour1*10;
}

void send_command(unsigned char i_command)
{
   unsigned char i;
   for(i=0; i<8; i++)
    {
      PTC_PTC1=((i_command&0x80)==0x80?1:0);
      delay(0);
      PTC_PTC3=1;           //  clk=1;
      delay(0);
      PTC_PTC3=0;            //  clk=0;
      i_command=i_command<<1;
    }
}

void send_single_command(unsigned char command){
  PTC_PTC2=0;       //enable=0
  delay(0);
  send_command(command);
  PTC_PTC2=1;       //enable=1
  delay(0);
}

void send_double_command(unsigned char command1,unsigned char command2){
  PTC_PTC2=0;       //enable=0
  delay(0);
  send_command(command1);
  send_command(command2);
  PTC_PTC2=1;       //enable=1
  delay(0);
}

void PrintToZLG7289(void){
 if (gleaming==0x0f) gleaming=0x0a;
 else gleaming=0x0f;
 
 send_double_command(0x80,second0);
 send_double_command(0x81,second1);
 send_double_command(0x82,gleaming);
 send_double_command(0x83,minute0);
 send_double_command(0x84,minute1);
 send_double_command(0x85,gleaming);
 send_double_command(0x86,hour0);
 send_double_command(0x87,hour1);
}
void GleamingHour(void){
 send_double_command(0x88,0b00111111);
}
void GleamingMinute(void){
 send_double_command(0x88,0b11100111);
}
void GleamingSecond(void){
 send_double_command(0x88,0b11111100);
}
void GleamingNone(void){
 send_double_command(0x88,0b11111111);
}
void ChangeStatus(void){
 if (task==TskPrint) {
 T1SC_TOIE=0;
 GleamingHour(); 
 task=TskSetHour;
 }
 else if (task==TskSetHour) {
 task=TskSetMinute;
 GleamingMinute();
 }
 else if (task==TskSetMinute) {
 task=TskSetSecond;
 GleamingSecond();
 }
 else if (task==TskSetSecond) {
 task=TskSleep;
 counter=14;
 ScreenOpen();
 GleamingNone(); 
 T1SC_TOIE=1;
 }
 else if (task==TskSleep){
 task=TskPrint;
 PTC_PTC0=1;
 GleamingNone(); 
 counter=0;
 }
}

void Increase(void){
 if (task==TskSetHour) {
  hour++;
  if (hour==24) hour=0;
  Translate();
  PrintToZLG7289();
 }
 if (task==TskSetMinute) {
  minute++;
  if (minute==60) minute=0;
  Translate();
  PrintToZLG7289();
 }
 if (task==TskSetSecond) {
  second++;
  if (second==60) second=0;
  Translate();
  PrintToZLG7289();
 }
}
void Decrease(void){
 if (task==TskSetHour) {
  if (hour==0) hour=24;
  hour--;
  Translate();
  PrintToZLG7289();
 }
 if (task==TskSetMinute) {
  if (minute==0) minute=60;
  minute--;
  Translate();
  PrintToZLG7289();
 }
 if (task==TskSetSecond) {
  if (second==0) second=60;
  second--;
  Translate();
  PrintToZLG7289();
 }
}

interrupt 6 void OverFlow(){
T1SC_TOIE=0;
T1SC_TOF=0;
if (hs==0){
 hs=1;
}
else {
 hs=0;
 ScreenOpen();
 IncreaseTime();
 Translate();
 PrintToZLG7289();
}
T1SC_TOIE=1;
}
interrupt 15 void KBI_ISR(void)
{
  unsigned char i;
     INTKBSCR_IMASKK = 1;  //屏蔽键盘中断
     delay(30000);
  if (task!=TskPrint && task!=TskSleep){  
   if (PTA_PTA2==0)
    Decrease();
   if (PTA_PTA3==0)
    Increase();
  }
  if (PTA_PTA0==0)
    ChangeStatus();
  if (PTA_PTA4==0) {
   PTC_PTC0=1;
   counter=0;
  }
  INTKBSCR_ACKK = 1;    //清除中断确认
  INTKBSCR_IMASKK = 0;  //开启键盘中断
}