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原理图
点击此处下载 ourdev_499107.pdf(文件大小:50K) (原文件名:Clock-System.pdf)
关键代码
#include "includes.h"
typedef enum
{
SYS_CLOCK_RUN,
SYS_CLOCK_SET,
}SYSTEM_STATE;
static SYSTEM_STATE SystemFlag;
static void SysTem_ClockRun(void);
static void System_ClockSet(void);
static void (*pFunc_Sys[])(void)=
{
SysTem_ClockRun,
System_ClockSet,
};
typedef struct
{
unsigned char buff[DISP_NUM>>1];
unsigned char Flash;
unsigned char dp;
}CLOCK_SET_STRUCT;
static __flash unsigned char const FlashTbl[]={DISP_1|DISP_2, DISP_3|DISP_4, DISP_5|DISP_6};
static CLOCK_SET_STRUCT ClockSet;
//static void Download(void);
static void SystemInitialize(void);
static void TimerToDisplayBuff(unsigned char *pbuff, TIMER_STRUCT *ptimer);
static unsigned char disp_buff[DISP_NUM];
/*
//////////////////////////////////////////////////////////////////////////
static void Download(void)
{
unsigned char i;
unsigned char cnt;
unsigned int j;
PORTB &= 0xc7;
DDRB &= 0xc7;
PORTD &= 0xbf;
DDRD &= 0xbf;
cnt = 0;
for(i=0; i<200; i++)
{
for(j=0; j<1000; j++)
{
if(GETB(PIND, PD6))
{
cnt++;
break;
}
}
if(cnt>10)
{
cnt = 100;
break;
}
}
// 要进行下载
if(cnt==100)
{
cnt = 1;
while(cnt)
{
i = PINB&(1<<PB5);
__delay_cycles(3000);
}
}
}
*/
//////////////////////////////////////////////////////////////////////////
static void SystemInitialize(void)
{
unsigned char i;
__disable_interrupt();
#if CPU_TYPE==0x48
CLKPR = (1<<CLKPCE);
CLKPR = (1<<CLKPS1); // 4分频.系统时钟2MHz
#endif
//Download();
SPI_Init();
ExFlash_Init();
Timer_Init();
Key_Init();
Display_Init();
__enable_interrupt();
for(i=0; i<DISP_NUM; i++)
{
disp_buff = 0;
}
SystemFlag = SYS_CLOCK_RUN;
}
static void TimerToDisplayBuff(unsigned char *pbuff, TIMER_STRUCT *ptimer)
{
*pbuff++ = ptimer->sec%10;
*pbuff++ = ptimer->sec/10;
*pbuff++ = ptimer->min%10;
*pbuff++ = ptimer->min/10;
*pbuff++ = ptimer->hour%10;
*pbuff = ptimer->hour/10;
}
void main(void)
{
SystemInitialize();
while(TRUE)
{
pFunc_Sys[SystemFlag]();
}
}
//////////////////////////////////////////////////////////////////////////
static void SysTem_ClockRun(void)
{
TIMER_STRUCT *ptimer;
unsigned long time;
unsigned int addr;
unsigned char mask;
unsigned char dbyte;
CRITICAL_DEF;
ptimer = Timer_GetTimer();
if(Timer_IsUpdate())
{
time = ptimer->hour;
time *= 3600;
addr = ptimer->min;
addr *= 60;
time += addr+ptimer->sec;
addr = time>>3;
mask = 7-(time&0x07);
ENTER_CRITICAL();
dbyte = ExFlash_ReadByte(addr);
EXIT_CRITICAL();
if(GETB(dbyte, mask))
{
TimerToDisplayBuff(disp_buff, Timer_GetTimer());
Display_Update(disp_buff);
}
/*
ENTER_CRITICAL();
dbyte = ExFlash_ReadByte(ad);
EXIT_CRITICAL();
ad++;
if(ad>=10800)
{
ad = 0;
}
addr = ad;
for(mask=0; mask<4; mask++)
{
disp_buff[mask+2] = addr%10;
addr /= 10;
}
disp_buff[0] = dbyte&0x0f;
disp_buff[1] = dbyte>>4;
Display_Update(disp_buff);
*/
}
if(Key_GetCode()==KEY_CODE_ENTER)
{
SystemFlag = SYS_CLOCK_SET;
ClockSet.Flash = 0;
ClockSet.dp = 0;
ClockSet.buff[0] = ptimer->sec;
ClockSet.buff[1] = ptimer->min;
ClockSet.buff[2] = ptimer->hour;
Display_SetFlash(FlashTbl[ClockSet.Flash]);
}
}
//////////////////////////////////////////////////////////////////////////
static __flash unsigned char const TimerTbl[]={59, 59, 23};
static void System_ClockSet(void)
{
unsigned char key;
key = Key_GetCode();
if(key^KEY_CODE_NULL)
{
switch(key)
{
case KEY_CODE_ENTER:
SystemFlag = SYS_CLOCK_RUN;
Timer_SetTimer((TIMER_STRUCT*)ClockSet.buff);
Display_SetFlash(DISP_NULL);
break;
case KEY_CODE_SUB:
if(--ClockSet.buff[ClockSet.Flash]>TimerTbl[ClockSet.Flash])
{
ClockSet.buff[ClockSet.Flash] = TimerTbl[ClockSet.Flash];
}
disp_buff[ClockSet.dp] = ClockSet.buff[ClockSet.Flash]%10;
disp_buff[ClockSet.dp+1] = ClockSet.buff[ClockSet.Flash]/10;
break;
case KEY_CODE_ADD:
if(++ClockSet.buff[ClockSet.Flash]>TimerTbl[ClockSet.Flash])
{
ClockSet.buff[ClockSet.Flash] = 0;
}
disp_buff[ClockSet.dp] = ClockSet.buff[ClockSet.Flash]%10;
disp_buff[ClockSet.dp+1] = ClockSet.buff[ClockSet.Flash]/10;
break;
case KEY_CODE_SWITCH:
if(++ClockSet.Flash>=3)
{
ClockSet.Flash = 0;
}
ClockSet.dp = ClockSet.Flash<<1;
Display_SetFlash(FlashTbl[ClockSet.Flash]);
break;
default:
;
}
Display_Update(disp_buff);
}
}
//////////////////////////////////////////////////////////////////////////
// END |
阿莫论坛20周年了！感谢大家的支持与爱护！！
一只鸟敢站在脆弱的枝条上歇脚，它依仗的不是枝条不会断，而是自己有翅膀，会飞。
|
发表于 2009-11-3 09:05:25
楼主
