menu.c

proteus电子钟（带闹钟数码管显示）

#include "main.h"
#include "port.h"
#include "DisplayDir.h"
#include "SysTick.h"

#include "key.h"
#include "Menu.h"
#include "RTC.h"


#define MAX_MENU_ITEM	1
void (code *FuncPtr)(void);
typedef struct {
	uint8_t Current_Index;
	uint8_t Set_Index;
	uint8_t Enter_Index;
	uint8_t Right_Index;
	uint8_t Up_Index;	
	void (code *Current_Operation)(void);
}Key_Table;

static uint8_t Index = 0;
static UserChoose = 0;  	//用户所选菜单项

// 时间变量
static uint8_t hour_temp, minute_temp;

// 函数列表
static void NopFunc(void);
static void MainMenuItem(void);
static void Exit_MainMenuItem(void);

static void AdjHourSelect(void);
static void AdjMinuteSelect(void);

static void AdjTime_Hour(void);
static void AdjTime_Minute(void);

static void SetTime_Enter(void);


Key_Table code table[] = {
	
//   |----------------- Current_Index
//	 |	|-------------- Set_Index	
//	 |	|  |----------- Enter_Index
//	 |	|  |    |------ Right_Index
//	 |  |  |    |    |- Up_Index
//	 |  |  |    |    |
	{0,	1, 0,   0,   0,	  (*NopFunc)},  		// 主菜单
	{1,	4, 5,   255, 255, (*MainMenuItem)},		// SEL.0, 调时	
	{2,	4, 255, 255, 255, (*MainMenuItem)},		// SEL.1, 设闹铃
	{3,	4, 255, 255, 255, (*MainMenuItem)},		// SEL.2, 删除闹铃
	{4,	4, 255, 255, 255, (*Exit_MainMenuItem)},// 退出菜单
	
	// SEL.0, 调时
	{5,	1, 9,   6,   7,	  (*AdjHourSelect)},	// 调时选择
	{6,	1, 9,   5,   8,	  (*AdjMinuteSelect)},	// 调分选择
	{7,	1, 9,   6,   7,	  (*AdjTime_Hour)},		// 调时
	{8,	1, 9,   5,   8,	  (*AdjTime_Minute)},	// 调分
	{9,	0, 0,   0,   0,   (*SetTime_Enter)},	// ok
	// SEL.1, 设闹铃

};

void Menu_Change(uint8_t KeyNum)
{
	uint8_t Index_Backup;
	Index_Backup = Index;	// Index备份
	switch(KeyNum) 
	{		    
		case K_Set: 	Index = table[Index].Set_Index;			break; 
		case K_Right: 	Index = table[Index].Right_Index;		break; 
		case K_Up: 		Index = table[Index].Up_Index;			break; 
		case K_Enter: 	Index = table[Index].Enter_Index;		break; 
		default:		/* --------------------------- */		break;
	}

	if (255 == Index)
	{
		Index = Index_Backup;	// 无效键	
	}
	else
	{
		FuncPtr	= table[Index].Current_Operation;
		(*FuncPtr)();		
	}	
}
	
void NopFunc(void)
{
	// 空函数,作用不小啊!!
}

// 主菜单item
void MainMenuItem(void)
{
	LedChangeFlag = 0x00;
	LedChangeFlag |= (1 << DOT3) | (1 << BIT4);	
	bUpdateDisplayEn = 0;

	hour_temp =  Rtc.hour;		// 读时间
	minute_temp = Rtc.min;

	if (UserChoose >= MAX_MENU_ITEM)
	{
		UserChoose = 0;
	}

	DisplayBuffer[0] = _S;
	DisplayBuffer[1] = _E; 
	DisplayBuffer[2] = _L; 
	DisplayBuffer[3] = UserChoose++;  
}
// 不保存退也菜单
void Exit_MainMenuItem(void)
{
	LedChangeFlag = 0x00;		
	LedChangeFlag |= (1 << DOT2);	// 只有时钟的时个位点可以闪烁
	bUpdateDisplayEn = 1;
	
	Index = 0;
	UserChoose = 0;
}

// 调时位选择																	 
void AdjHourSelect(void)
{
	LedChangeFlag = 0x00;
	bUpdateDisplayEn = 0;

	LedChangeFlag |= (1 << BIT1) | (1 << BIT2);	 	// 调时选择
	UpdateDisplayBuffer(hour_temp, minute_temp);  			
}

// 调分位选择
void AdjMinuteSelect(void)
{
	LedChangeFlag = 0x00;
	bUpdateDisplayEn = 0;
	
	LedChangeFlag |= (1 << BIT3) | (1 << BIT4);		// 调分选择	
	UpdateDisplayBuffer(hour_temp, minute_temp); 
}

// 调时
void AdjTime_Hour(void)
{
	bUpdateDisplayEn = 0;

	hour_temp++;
	if (hour_temp >= 24)
		hour_temp = 0;
	DisplayBuffer[0] = hour_temp / 10;
	DisplayBuffer[1] = hour_temp % 10; 
}

// 调分
void AdjTime_Minute(void)
{
	bUpdateDisplayEn = 0;

	minute_temp++;
	if (minute_temp >= 60)
		minute_temp = 0;

	DisplayBuffer[2] = minute_temp / 10;
	DisplayBuffer[3] = minute_temp % 10; 
}

// 调时OK
void SetTime_Enter(void)
{
	Rtc.hour = hour_temp;		// 时间
	Rtc.min = minute_temp;
	Rtc.sec = 0;
	ClockReviseTemp = 0;   		// 复位校正计时器
	ClockReviseTemp1 = 0;
	Exit_MainMenuItem();
}