mse.c

来自「一个比较好用的TW2835音视频芯片开发板的程序,」· C语言 代码 · 共 631 行 · 第 1/2 页

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						ClearBit(_bnd_,0xf0);
					}
				}
			}
			else{
				if(b_mse_stts_crsr == CRSR_SML){
					b_mse_stts_crsr = CRSR_BIG;
//				if(BitClear(mse_flg,MSE_STTS_CRSR)){//b_mse_status_cur == BIG){
//					SetBit(mse_flg,MSE_STTS_CRSR);

					SetMseCrsr(CRSR_BIG);		// big mouse pointer
					SetMseLyr(ON);
					ClearBit(_bnd_,0xf0);
				}
			}
		}
		else{
			_chnl_ = (mse_ch & 0x0f);
			_bnd_ = (mse_ch & 0xf0);
		}
//	}

	return	_bnd_|_chnl_;
}
//	*/
//==================================================================================
//*
U8	GetMseMaskX(U8 _dvc, U8 _ch, U16 _crsr_pos_x)
{
	U16 _pic_;
	U8 _hw_, _x_;

	_pic_ = ReadAsicByte(_dvc,DVC_PG1,0x30+(_ch<<2));
	_pic_ = (_pic_<<1)+2;		//... +2 -> ???
	_hw_ = ReadAsicByte(_dvc,DVC_PG2,0x63+(_ch<<3));

	_x_ = (U8)((_crsr_pos_x - _pic_)/(_hw_+1));		//... +1 -> 2D ary box boundary
	if(_crsr_pos_x > 1){
		if(_x_ > 0x0f)	_x_ = 0x0f;
	}
	else	_x_ = 0x00;
	
	return	_x_;
}
//==================================================================================
U8	GetMseMaskY(U8 _dvc, U8 _ch, U16 _crsr_pos_y)
{
	U16 _pic_;
	U8 _vw_, _y_;

	_pic_ = ReadAsicByte(_dvc,DVC_PG1,0x32+(_ch<<2));
	_pic_ = (_pic_<<1)+1;		//... +1 -> ???
	_vw_ = ReadAsicByte(_dvc,DVC_PG2,0x65+(_ch<<3));
	
	_y_ = (U8)((_crsr_pos_y - _pic_)/(_vw_+1));		//... +1 -> 2D ary box boundary
	if(_crsr_pos_y > 0){
		if(_y_ > 0x0b)	_y_ = 0x0b;
	}
	else	_y_ = 0x00;

	return	_y_;
}
//	*/
//==================================================================================
U8	GetMseOSDX(U16 _pos_x)
{	// var_XPOINT / 8 = INDEX_H : (8 x 10 font)
	return (U8)(_pos_x/8);				// O
}
//==================================================================================
U8	GetMseOSDY(U16 _pos_y)
{
	// var_YPOINT / 11 = INDEX_Y : (8 x 10 font) & VSPACE==1 & VDELAY == 4
	if(reg_crsr_pos_y < OSD_DLY_V)	return	0;
	else	return (U8)((_pos_y-OSD_DLY_V)/10);
}
//==================================================================================
void	SetMseMvmnt(void)								//... set mouse movement
{
//	signed int  _mv_x_, _mv_y_, _mse_nxt_ptr_;
	S16	_mv_x_, _mv_y_, _mse_nxt_ptr_;
//	U8	t_mse_rd0

//	if((mse_rdata & 0xff) == 0xfa)
	if(mse_rdata[0] == 0xfa)
	{
		//... mse_rdata[31:24],[23:16],[15:8],[7:0] is each read data packet
//		if(BitSet((mse_rdata>>8)&0xff, BIT4))	_mv_x_ = 0xffffff00|((mse_rdata>>16)&0xff);
//		else	_mv_x_ = 0x00000000|((mse_rdata>>16)&0xff);
//		if(BitSet((mse_rdata>>8)&0xff, BIT5))	_mv_y_ = 0xffffff00|((mse_rdata>>24)&0xff);
//		else	_mv_y_ = 0x00000000|((mse_rdata>>24)&0xff);
		if(BitSet(mse_rdata[1], BIT4))	_mv_x_ = 0xff00|(U16)mse_rdata[2];
		else	_mv_x_ = 0x0000|(U16)mse_rdata[2];
		if(BitSet(mse_rdata[1], BIT5))	_mv_y_ = 0xff00|(U16)mse_rdata[3];
		else	_mv_y_ = 0x0000|(U16)mse_rdata[3];

		if((_mv_x_ != 0)||(_mv_y_ != 0))
		{
			b_mse_no_mvng = OFF;
//			ClearBit(mse_flg,MSE_NO_MVNG);

			_mse_nxt_ptr_ = reg_crsr_pos_x + _mv_x_;
			if(_mse_nxt_ptr_ < 0)	reg_crsr_pos_x = 0;
			else if(_mse_nxt_ptr_ > 360)	reg_crsr_pos_x = 360;
			else	reg_crsr_pos_x = _mse_nxt_ptr_;
			
			_mse_nxt_ptr_ = reg_crsr_pos_y - _mv_y_;
			if(_mse_nxt_ptr_ < 0)	reg_crsr_pos_y = 0;
			else if(_mse_nxt_ptr_ > (cmn_bot<<1))	reg_crsr_pos_y = cmn_bot<<1;
			else	reg_crsr_pos_y = _mse_nxt_ptr_;
		}
		else	b_mse_no_mvng = ON;
//		else	SetBit(mse_flg,MSE_NO_MVNG);
	}	
}
//==================================================================================
void	SetMseBtn(void)								//... set mouse button
{
	U8 _mse_btn_;
	
	_mse_btn_ = mse_rdata[1]&(RIGHT_BTN|LEFT_BTN);
	if(_mse_btn_ != (mse_flg&(RIGHT_BTN|LEFT_BTN))){
		b_mse_no_btn = OFF;
//		ClearBit(mse_flg,MSE_NO_BTN);
		
		mse_flg = (mse_flg & ~(RIGHT_BTN|LEFT_BTN))|_mse_btn_;
		
//		if(BitClear(mse_flg,MSE_BTN_L)){				//... detecting low to high(button up) transition.
//			SetBit(mse_flg,MSE_RLSE_LB);
//			if(BitSet(mse_flg,MSE_PSHD_LB))	SetBit(mse_flg,MSE_CLK_LB);
//			ClearBit(mse_flg,MSE_PSHD_LB);
//			ClearBit(mse_flg,MSE_PSHNG_LB);
//		}
//		else{													//... detecting high to low(button down) transition.
//			if(BitClear(mse_flg,MSE_PSHD_LB)&&BitClear(mse_flg,MSE_PSHNG_LB)){
//				SetBit(mse_flg,MSE_PSHD_LB);
//				ClearBit(mse_flg,MSE_RLSE_LB);
//				SetBit(mse_flg,MSE_BTN_DWN_LB);
//				
//				if(BitClear(mse_flg,MSE_PSHD_RB)||BitSet(mse_flg,MSE_PSHNG_RB)){
//					mse_btn_pshng_cnt = MSE_BTN_CNT_CHTR;				//... default
//				}
//			}
//		}
		if(b_mse_btn_l == 0){				//... detecting low to high(button up) transition.
			b_mse_rlse_lb = 1;
			if(b_mse_pshd_lb == 1)	b_mse_clk_lb = 1;
			b_mse_pshd_lb = 0;
			b_mse_pshng_lb = 0;
		}
		else{													//... detecting high to low(button down) transition.
			if((b_mse_pshd_lb == 0)&&(b_mse_pshng_lb == 0)){
				b_mse_pshd_lb = 1;
				b_mse_rlse_lb = 0;
				b_mse_btn_dwn_lb = 1;
				
				if((b_mse_pshd_rb == 0)||(b_mse_pshng_rb == 1)){
					mse_btn_pshng_cnt = MSE_BTN_CNT_CHTR;				//... default
				}
			}
		}
		
//		if(BitClear(mse_flg,MSE_BTN_R)){				//... detecting low to high(button up) transition.
//			SetBit(mse_flg,MSE_RLSE_RB);
//			if(BitSet(mse_flg,MSE_PSHD_RB))	SetBit(mse_flg,MSE_CLK_RB);
//			ClearBit(mse_flg,MSE_PSHD_RB);
//			ClearBit(mse_flg,MSE_PSHNG_RB);
//		}
//		else{													//... detecting high to low(button down) transition.
//			if(BitClear(mse_flg,MSE_PSHD_RB)&&BitClear(mse_flg,MSE_PSHNG_RB)){
//				SetBit(mse_flg,MSE_PSHD_RB);
//				ClearBit(mse_flg,MSE_RLSE_RB);
//				SetBit(mse_flg,MSE_BTN_DWN_RB);
//				
//				if(BitClear(mse_flg,MSE_PSHD_LB)||BitSet(mse_flg,MSE_PSHNG_LB)){
//					mse_btn_pshng_cnt = MSE_BTN_CNT_CHTR;				//... default
//				}
//			}
//		}
		if(b_mse_btn_r == 0){				//... detecting low to high(button up) transition.
			b_mse_rlse_rb = 1;
			if(b_mse_pshd_rb == 1)	b_mse_clk_rb = 1;
			b_mse_pshd_rb = 0;
			b_mse_pshng_rb = 0;
		}
		else{													//... detecting high to low(button down) transition.
			if((b_mse_pshd_rb == 0)&&(b_mse_pshng_rb == 0)){
				b_mse_pshd_rb = 1;
				b_mse_rlse_rb = 0;
				b_mse_btn_dwn_rb = 1;
				
				if((b_mse_pshd_lb == 0)||(b_mse_pshng_lb == 1)){
					mse_btn_pshng_cnt = MSE_BTN_CNT_CHTR;				//... default
				}
			}
		}
	}
	else{
		if((b_mse_rlse_rb == 1)&&(b_mse_rlse_lb == 1))	b_mse_no_btn = ON;
//		if(BitSet(mse_flg,MSE_RLSE_RB)&&BitSet(mse_flg,MSE_RLSE_LB))	SetBit(mse_flg,MSE_NO_BTN);
		
//		if(BitSet(mse_flg,MSE_PSHD_LB)){
//			if(mse_btn_pshng_cnt > 0)	mse_btn_pshng_cnt--;
//			else{
//				if(BitClear(mse_flg,MSE_PSHNG_LB)){
//					SetBit(mse_flg,MSE_PSHNG_LB);								// pushing button checking
//				}
//				else{
//					SetBit(mse_flg,MSE_PSHNG_CLK_LB);		// continuous button checking
//				}
//				
////				mse_btn_pshng_cnt = MSE_BTN_CNT_CHTR>>3;				//... default
//				mse_btn_pshng_cnt = MSE_BTN_DLY_CNTNS;				//... default
//			}
//		}
//		
//		if(BitSet(mse_flg,MSE_PSHD_RB)){
//			if(mse_btn_pshng_cnt > 0)	mse_btn_pshng_cnt--;
//			else{
//				if(BitClear(mse_flg,MSE_PSHNG_RB)){
//					SetBit(mse_flg,MSE_PSHNG_RB);								// pushing button checking
//				}
//				else{
//					SetBit(mse_flg,MSE_PSHNG_CLK_RB);		// continuous button checking
//				}
//				
////				mse_btn_pshng_cnt = MSE_BTN_CNT_CHTR>>3;				//... default
//				mse_btn_pshng_cnt = MSE_BTN_DLY_CNTNS;				//... default
//			}
//		}
		if(b_mse_pshd_lb == 1){
			if(mse_btn_pshng_cnt > 0)	mse_btn_pshng_cnt--;
			else{
				if(b_mse_pshng_lb == 0){
					b_mse_pshng_lb = 1;								// pushing button checking
				}
				else{
					b_mse_pshng_clk_lb = 1;		// continuous button checking
				}
				
//				mse_btn_pshng_cnt = MSE_BTN_CNT_CHTR>>3;				//... default
				mse_btn_pshng_cnt = MSE_BTN_DLY_CNTNS;				//... default
			}
		}
		
		if(b_mse_pshd_rb == 1){
			if(mse_btn_pshng_cnt > 0)	mse_btn_pshng_cnt--;
			else{
				if(b_mse_pshng_rb == 0){
					b_mse_pshng_rb = 1;								// pushing button checking
				}
				else{
					b_mse_pshng_clk_rb = 1;		// continuous button checking
				}
				
//				mse_btn_pshng_cnt = MSE_BTN_CNT_CHTR>>3;				//... default
				mse_btn_pshng_cnt = MSE_BTN_DLY_CNTNS;				//... default
			}
		}
	}
}
//==================================================================================
void	RunMseOnOSDH(U8 _pth_prp, U8 _osd_pos_x, U8 _osd_pos_y, U8 _pos_x_l, U8 _pos_x_r, U8 _pos_y, U8 _pos_flg)
{
	U8 _pth_, _prp_;
	U8 _t1_;

	_pth_ = _pth_prp&0x0f;//0xf0;
	_prp_ = _pth_prp&0xf0;//0x0f;
	if(((_osd_pos_x == _pos_x_l)||(_osd_pos_x == _pos_x_r))&&(_osd_pos_y == _pos_y)){
		if(BitClear(mse_flg_on_osd,_pos_flg)){
			SetBit(mse_flg_on_osd,_pos_flg);
			
			if(_osd_pos_x == _pos_x_l)	_t1_ = OSD_ARW_L_BIG;//OSD_MINUS_SML;
			else	_t1_ = OSD_ARW_R_BIG;//OSD_PLUS_SML;
			WriteOSDFnt(_pth_,MASTER,_osd_pos_x,_osd_pos_y,OSD_MIX|1,_t1_);
		}
	}
	else{
		if(BitSet(mse_flg_on_osd,_pos_flg)){
			ClearBit(mse_flg_on_osd,_pos_flg);

			WriteOSDFnt(_pth_,MASTER,_pos_x_l,_pos_y,_prp_,OSD_ARW_L_SML);
			WriteOSDFnt(_pth_,MASTER,_pos_x_r,_pos_y,_prp_,OSD_ARW_R_SML);
		}
	}
}
//==================================================================================
void	RunMseOnOSDV(U8 _pth_prp, U8 _osd_pos_x, U8 _osd_pos_y, U8 _pos_x, U8 _pos_y_t, U8 _pos_y_b, U8 _pos_flg)
{
	U8 _pth_, _prp_;
	U8 _t1_;

	_pth_ = _pth_prp&0x0f;//0xf0;
	_prp_ = _pth_prp&0xf0;//0x0f;
	if((_osd_pos_x == _pos_x)&&((_osd_pos_y == _pos_y_t)||(_osd_pos_y == _pos_y_b))){
		if(BitClear(mse_flg_on_osd,_pos_flg)){
			SetBit(mse_flg_on_osd,_pos_flg);
			
			if(_osd_pos_y == _pos_y_t)	_t1_ = OSD_ARW_U_BIG;//OSD_MINUS_SML;
			else	_t1_ = OSD_ARW_D_BIG;//OSD_PLUS_SML;
			WriteOSDFnt(_pth_,MASTER,_osd_pos_x,_osd_pos_y,OSD_MIX|1,_t1_);
		}
	}
	else{
		if(BitSet(mse_flg_on_osd,_pos_flg)){
			ClearBit(mse_flg_on_osd,_pos_flg);

			WriteOSDFnt(_pth_,MASTER,_pos_x,_pos_y_t,_prp_,OSD_ARW_U_SML);
			WriteOSDFnt(_pth_,MASTER,_pos_x,_pos_y_b,_prp_,OSD_ARW_D_SML);
		}
	}
}
//==================================================================================
12

mse.c - 源码说明

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