Stm_common/stm32 Multi/smg.c

//引脚对应P5.0~5.7: BCEDFAGH
#include "Include.h"

static u8 DigNum = 0;

static u8 const smgduan[16] = 
{
    /*0,1,2,3,4,5,6,7,8,9,A,b,C,d,E,F,*/
    0x3F,0x03,0xAD,0xAB,0x93,0xBA,0xBE,0x23,0xBF,0xBB,0xB7,0x9E,0x3C,0x8F,0xBC,0xB4
    //0xC0,0xFC,0x52,0x54,0x6C,0x45,0x41,0xDC,0x40,0x44,0x48,0x61,0xC3,0x70,0x43,0x4B  
};//显示0~F的值

static u8 Smg_Arrary[] =
{
	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0xFF
};
static u8 Smg_Arrary_i = 0;

/*******************************************************************************
* 函 数 名 : delay
* 函数功能 : 延时函数，i=1时，大约延时10us
*******************************************************************************/
void delay ( u16 i )
{
    while ( i-- );
}

void Smg_Init ( void )
{

}

void Smg_Display(u8 Num)
{ 
	DigNum = Num;	
}


void Smg_Display_Next(void)
{
	if(++Smg_Arrary_i >= ARRAY_SIZE(Smg_Arrary))	Smg_Arrary_i = 0;
	DigNum = Smg_Arrary[Smg_Arrary_i];
}

void Smg_Display_OnOff(bool On)
{
	Smg_Arrary_i = (On)?(0):(ARRAY_SIZE(Smg_Arrary)-1);
	DigNum = Smg_Arrary[Smg_Arrary_i];
}

//pos:0~1
//Num:0~9, 
void Smg_PlayOne(u8 Pos, u8 Num)
{ 
	Num = (Num<=9)?(~smgduan[Num]):(0xFF);
	switch ( Pos ) //位选，选择点亮的数码管，
	{
	case 0:
		LED_DATA = 0;
		LED_COM1(0);    //低亮
		LED_COM2(1);
		LED_DATA = Num; //发送段码
		break;//显示第0位
	
	case 1:
		LED_DATA = 0;	
		LED_COM1(1);            
		LED_COM2(0);    //低亮
		LED_DATA = Num; //发送段码
		break;//显示第1位
	}	
}

void Smg_test(void)	//10ms
{ 
	
	static u8 time = 0;      
 #if 0       
        static u8 Num = 0;
	if(time++>=100)
	{
       
		time = 0;	
		LED_COM1(1);			
		LED_COM2(1);	//低亮
		Num++;
		if(Num>7)	Num=0;
		LED_DATA = ~(1<<Num); //发送段码
                 
	}
#else
        if(time++>=50)
	{
            time = 0;
            DigNum += 11;
            if(DigNum%11 != 0)	DigNum=0;
            if(DigNum>99)	DigNum=0;
        }
#endif       
}

void Smg_Refrensh(void)	//10ms
{ 
	static u8 Step = 0;
	u8 units,tens;
	
	switch ( Step ) 
	{
	case 0 :				//个位
		units = (DigNum<99)?(DigNum%10):(0xFF);
		Smg_PlayOne(0, units);
		Step = 1;
		break;
	case 1 :				//十位
		tens = (DigNum<99)?((DigNum/10)%10):(0xFF);
		Smg_PlayOne(1, tens);
		Step = 0;
		break;          
	}
	//Smg_test();
}

/*******************************************************************************
* 函 数 名 : DigDisplay
* 函数功能 : 数码管动态扫描函数，循环扫描8个数码管显示
*******************************************************************************/
void DigDisplay()
{ 
    u8 i;

    for ( i = 0; i < 4; i++ )
    {
        switch ( i ) //位选，选择点亮的数码管，
        {
        case ( 0 ) :
            LED_COM1(0);
            LED_COM2(1);
            break;//显示第0位

        case ( 1 ) :
            LED_COM1(1);
            LED_COM2(0);
            break;//显示第1位
        }

        LED_DATA = smgduan[i]; //发送段码
        delay ( 100 ); //间隔一段时间扫描
        LED_DATA = 0x00; //消隐
    }
}