yc_play.c

AVRX实时操作无线遥控LED变化控制完整源码

/*===========================================================================
	【项目名】:		遥控渐变选色程序
	【文件名】: 	YC_Play
	【名  称】:		主文件
	【版  本】:		1.0
	【组  织】:		
	【作  者】:		周盛志
	【E-mail】:		[e-mail]
===========================================================================*/
#include <avrx/avrx.h>
#include <avr/eeprom.h>

#include "YC_MainFile.h"
#include "Hardware.h"
#include "YC_Play.h"

BYTE bLastPlayIdx EEPROM;
WORD bColorAsh[5][3] EEPROM;

WORD WASHVAL=2048;     //灰度值
WORD wCurRedAsh, wCurGreAsh, wCurBluAsh;
WORD wCurRedAshVal, wCurGreAshVal, wCurBluAshVal;
BYTE bCurPlayIdx = 1;

struct WORKFLAG 
    {  
    BYTE bColseWork;    //关机标志,1=关机,0=开机;
    BYTE bKeyUpt;       //按键状态标志,1=有键按下,0=无键按下;
	BYTE bAshExit;      //灰度播放快速退出标志,1=有效,0=无效;
    BYTE bSaveKeyC;     //保存按键C按下标记,1=有效,0=无效;
    BYTE bPlayAshOld;   //上一节目是否灰度播放标志.
    }WorkFlag;  

/*=====================================================================
【功  能】:	重迭1/2周期RGB三角波渐变.
【名  称】:	Play_Gradual(BYTE bGradSpeeds)
【日  期】:	2006年8月30日
=====================================================================*/
void  Play_Gradual(BYTE bGradSpeeds)
{
    WORD wi, wj;
    WorkFlag.bPlayAshOld = 1; 
    for(wi = 0; wi < WASHVAL; wi++)
   	    {
        if(WorkFlag.bAshExit == 1)
	        {WorkFlag.bAshExit = 0;return;}
   	    for(wj=0; wj<bGradSpeeds; wj++)
   		    {
		    wCurRedAsh = wi;
		    wCurGreAsh = WASHVAL-wi;
		    wCurBluAsh = 0;
		    PlayStaticAsh(wCurRedAsh, wCurGreAsh, wCurBluAsh);
   		    }
   	    }
     
    for(wi=0; wi<WASHVAL; wi++)
   	    {
	    if(WorkFlag.bAshExit == 1)
	        {WorkFlag.bAshExit = 0;return;}
   	    for(wj=0; wj<bGradSpeeds; wj++)
   		    {
		    wCurRedAsh = WASHVAL-wi;
		    wCurGreAsh = 0;
		    wCurBluAsh = wi;
		    PlayStaticAsh(wCurRedAsh, wCurGreAsh, wCurBluAsh);
   		    }
   	    }
  
    for(wi=0; wi<WASHVAL; wi++)
   	    {
        if(WorkFlag.bAshExit == 1)
	        {WorkFlag.bAshExit = 0;return;} 
   	for(wj=0; wj<bGradSpeeds; wj++)
   		{
		wCurRedAsh = 0;
		wCurGreAsh = wi;
		wCurBluAsh = WASHVAL-wi;
		PlayStaticAsh(wCurRedAsh, wCurGreAsh, wCurBluAsh);
   		}
   	}
}

/*=====================================================================
【功  能】:	播放某一RGB灰度颜色
【名  称】:	PlayStaticAsh(WORD wRedAsh, WORD wGreenAsh, WORD wBlueAsh)
【日  期】:	2006年8月30日
=====================================================================*/
void  PlayStaticAsh(WORD wRedAsh, WORD wGreenAsh, WORD wBlueAsh)
{
    WORD wi;
    for(wi=0; wi<WASHVAL; wi++)
        {	
        if(wi < wRedAsh)
            ON_Red();
        else
            OFF_Red();

        if(wi < wGreenAsh)
            ON_Gre();
        else
            OFF_Gre();

        if(wi < wBlueAsh) 
            ON_Blu();	
        else
            OFF_Blu();
        }
}

/*=====================================================================
【功  能】:	遥控按键处理
【名  称】:	KeyYc()
【日  期】:	2006年8月30日
=====================================================================*/
void KeyYc(BYTE bKeyVal)
{
    if(bKeyVal == ONOFF_KEYA)
	    {WorkFlag.bColseWork = !WorkFlag.bColseWork; WorkFlag.bAshExit = 1;}
	else
	    {
		if(WorkFlag.bColseWork == 0)
		    {
			switch(bKeyVal)
	            {
                case PLAYASH_KEYB: bCurPlayIdx = 0x55;break;   
                case SAVE_KEYC:    
		            if(WorkFlag.bPlayAshOld == 1)
			            {
						WorkFlag.bAshExit = 1; WorkFlag.bSaveKeyC = 1;WorkFlag.bPlayAshOld = 0;
				        wCurRedAshVal=wCurRedAsh;wCurGreAshVal=wCurGreAsh; wCurBluAshVal=wCurBluAsh;
						}break; 
                case LOAD_KEYD: 
			        {
		            bCurPlayIdx++;
			        if(bCurPlayIdx == 5)bCurPlayIdx = 0;
				    }break;
                default: break;
				}
			}
		WorkFlag.bKeyUpt = 1;
		}	
	SaveWorkState();
}

/*=====================================================================
【功  能】:	保存工作状态
【名  称】:	SaveWorkState()
【日  期】:	2006年8月30日
=====================================================================*/
void SaveWorkState(void)
{	
	eeprom_busy_wait();
    eeprom_write_byte (&bLastPlayIdx, bCurPlayIdx);
		
	if(WorkFlag.bSaveKeyC == 1)
	    {
		BYTE bi;
		WORD wAshval_Red, wAshval_Gre,wAshval_Blu;
		WorkFlag.bSaveKeyC = 0;
		bCurPlayIdx = 0;
		eeprom_busy_wait();
        eeprom_write_byte (&bLastPlayIdx, bCurPlayIdx);
		for(bi=4; bi>0; bi--)
		    {
			eeprom_busy_wait();
			wAshval_Red = eeprom_read_word(&bColorAsh[bi-1][0]);
			eeprom_busy_wait();
			wAshval_Gre = eeprom_read_word(&bColorAsh[bi-1][1]);
			eeprom_busy_wait();
			wAshval_Blu = eeprom_read_word(&bColorAsh[bi-1][2]);
			eeprom_busy_wait();
            eeprom_write_word (&bColorAsh[bi][0], wAshval_Red);
			eeprom_busy_wait();
            eeprom_write_word (&bColorAsh[bi][1], wAshval_Gre);
			eeprom_busy_wait();
            eeprom_write_word (&bColorAsh[bi][2], wAshval_Blu);
			}
		eeprom_busy_wait();
        eeprom_write_word (&bColorAsh[0][0], wCurRedAshVal);
	    eeprom_busy_wait();
        eeprom_write_word (&bColorAsh[0][1], wCurGreAshVal);
		eeprom_busy_wait();
        eeprom_write_word (&bColorAsh[0][2], wCurBluAshVal);
	    }
}

/*=====================================================================
【功  能】:	调入工作状态
【名  称】:	LoadWorkState()
【日  期】:	2006年8月30日
=====================================================================*/
void LoadWorkState(void)
{   
   if(WorkFlag.bKeyUpt == 1)
	    {
        eeprom_busy_wait();
	    bCurPlayIdx = eeprom_read_byte(&bLastPlayIdx); 
	    eeprom_busy_wait();
	    wCurRedAshVal = eeprom_read_word(&bColorAsh[bCurPlayIdx][0]);
	    eeprom_busy_wait();
	    wCurGreAshVal = eeprom_read_word(&bColorAsh[bCurPlayIdx][1]);
	    eeprom_busy_wait();
	    wCurBluAshVal = eeprom_read_word(&bColorAsh[bCurPlayIdx][2]);
		WorkFlag.bKeyUpt = 0;
		}
		
    if(WorkFlag.bColseWork == 1)
	    {
		OFF_Red(); OFF_Gre(); OFF_Blu();  
		}
	else
	    {
		if(bCurPlayIdx == 0x55)
		    Play_Gradual(PLAY_GRADSPEED);
		else
			PlayStaticAsh(wCurRedAshVal, wCurGreAshVal, wCurBluAshVal);
		}
}

/*=====================================================================
【功  能】:	初始化工作状态
【名  称】:	InitWorkState()
【日  期】:	2006年8月30日
=====================================================================*/
void InitWorkState(void)
{
    DDRD |= (_BV(PD5) | _BV(PD6) | _BV(PD7));
	DDRC &= ~(_BV(PC0) | _BV(PC1) | _BV(PC2) | _BV(PC3));
	DDRD &= ~(_BV(PD2));
	PORTD |= _BV(PD2);
	
    WorkFlag.bKeyUpt = 1;
	WorkFlag.bColseWork = 0;
    LoadWorkState();
}