p_lilin.c

这是监视器行业常见的键盘与球机通讯协议的C语言源代码

#include <REG54.H>
#include <INTRINS.H>
#include "protocol.h"
#include "kernel.h"
#include "config.h"

unsigned char data1,data2;
unsigned char bdata data3;
sbit data37 = data3^7;
sbit data36 = data3^6;

void (code *rr)(unsigned char rc);
void word1(unsigned char rc);
void word2(unsigned char rc);
void word3(unsigned char rc);
void word21(unsigned char rc);
void word22(unsigned char rc);
void word23(unsigned char rc);
void word31(unsigned char rc);
void word32(unsigned char rc);
void word33(unsigned char rc);

void word1(unsigned char rc) using 1
{
	if (rc == id) 
		rr = word2;
	else if (rc == 0xca)
		rr = word21; // for idle
	else if (rc == (id + 0x40))
		rr = word22; // for call
	else if (rc == (id + 0x80))
		rr = word23; // for set
}

void word2(unsigned char rc) using 1
{
	if (rc == 0xca)
		rr = word21;
	else
	{
		data2 = rc;
		rr = word3;
	}
}

void word3(unsigned char rc) using 1
{
	if (rc == 0xca)
		rr = word21;
	else
	{
		data3 = rc;
		rr = word1;
		//if (data3 == 0xff)
		{
			switch(data2)
			{
			case 0x00:
				if (data3 == 0x00)
				{
					iris_open_fg = 1;
				}
				else if (data3 == 0x01)
				{
					iris_close_fg = 1;
				}
				else
				{
					if (_testbit_(zoom_need_stop)) zoom_stop_fg = 1;
					if (_testbit_(focus_need_stop)) focu_stop_fg = 1;
					seq[12] = 0;				
					cont_fg = 1;	
				}
				break;
			case 0x01:
		    case 0x02:
				if ((data37) && (!data36))
				{
					cont_fg = 1;
					run_swing_fg = 0;
					run_seq2_fg = 0;
					seq[12] = data2 << 1;	//dir
					seq[13] = (data3 & 0x07)*8 + 8;	//x_speed
					seq[14] = 0;	//y_speed
				}
				break;
			case 0x04:
			case 0x05:
			case 0x06:
			case 0x08:
			case 0x09:
			case 0x0a:
				if ((data37) && (!data36))
				{
					cont_fg = 1;
					run_swing_fg = 0;
					run_seq2_fg = 0;
					seq[12] = data2 << 1;	//dir
					seq[13] = (data3 & 0x07)*8 + 8;	//x_speed
					seq[14] = data3 & 0x38;	//y_speed
				}
				break;
			case 0x10:
				if (data3 == 0xff)
				{
					zoom_wide_fg = 1;
					zoom_need_stop = 1;
				}
				break;
			case 0x20:
				if (data3 == 0xff)
				{
					zoom_tele_fg = 1;
					zoom_need_stop = 1;
				}
				break;
			case 0x40:
				if (data3 == 0xff)
				{
					focu_near_fg = 1;
					focus_need_stop = 1;
				}
				break;
			case 0x80:
				if (data3 == 0xff)
				{
					focu_far_fg = 1;
					focus_need_stop = 1;
				}
				break;
			}
		}
		//else if ((data37) && (!data36))
 	    {
		//	switch (data2)
			{
			}
		}
	}
}

void word21(unsigned char rc) using 1
{
	if (rc == 0xca) 
		rr = word21;
	else	
		rr = word31;
}

void word31(unsigned char rc) using 1
{
	if (rc == 0xca)
		rr = word21;
	else
		rr = word1;
}

void word22(unsigned char rc) using 1
{
	if (rc == 0xca)
	{
		rr = word21;
	}
	else
	{
		data2 = rc;
		rr = word32;
	}
}

void word32(unsigned char rc) using 1
{
	if (rc == 0xca)
	{
		rr = word21;
	}
	else
	{
		rr = word1;
		seq[15] = data2 + 1;
		call_pre_fg = 1;
	}
}

void word23(unsigned char rc) using 1
{
	if (rc == 0xca)
	{
		rr = word21;
	}
	else
	{
		data2 = rc;
		rr = word33;
	}
}

void word33(unsigned char rc) using 1
{
	if (rc == 0xca)
	{
		rr = word21;
	}
	else
	{
		rr = word1;
		seq[15] = data2 + 1;
		set_pre_fg = 1;
	}
}


extern void init_serial(void)
{
	PCON = 0x00;SCON = 0x50;  
	TH2 = 0xff; RCAP2H = 0xff;
#ifdef FOCS_40M
	TL2 = 0x7e; RCAP2L = 0x7e;
#else
	TL2 = 0xb8; RCAP2L = 0xb8;
#endif
	T2CON = 0x34;

	rr = word1;
}


void serial_int(void) interrupt 4 using 1	
{
	ES = 0;
	if (_testbit_(RI)) (*rr)(SBUF);
	ES = 1;
}

bit power_fg = 1;


extern bit do_set_addon(unsigned char no)
{  
//#ifndef DIS660
	switch (no)
	{
	case F_SCAN_START:   		
	case F_SCAN_END:   
		no = no;
		return 0;
	case F_SEQ_SET:
		run_seq_fg = 0;
		run_seq2_fg = 0;
		return 1;
#ifndef DIS660
	case F_CAM_RESET:			//camera reset
		addon_fg = 1;
		seq[10] = A_RESET;
		seq[11] = ON;
		return 1;
	case F_BLC_OFF:			
		addon_fg = 1;   
		seq[10] = A_BLC;
		seq[11] = OFF;
		return 1;
	case F_ZERO_OFF:			
		addon_fg = 1;
		seq[10] = A_ZERO;
		seq[11] = OFF;
		return 1;
	case F_MENU_OFF:			//diaplay off
		disp_off_fg = 1;
		return 1;
	case F_DIGI_OFF:
		addon_fg = 1;		//camera digital off
	 	seq[10] = A_DIGI;
	 	seq[11] = OFF;
	 	return 1;
	 case F_FOCU_MANU:
	 	addon_fg = 1;
	  	seq[10] = A_FOCU;		
	  	seq[11] = MANU;
	  	return 1;
	  case F_IRIS_MANU:			
	  	addon_fg = 1;
	  	seq[10] = A_IRIS;
	  	seq[11] = MANU;
	  	return 1;
	  case F_WB_MANU:			
	  	addon_fg = 1;
	  	seq[10] = A_WB;
	  	seq[11] = MANU;
	  	return 1;
	  case F_BLACK:			
	  	addon_fg = 1;
	  	seq[10] = A_BLACK;
	  	seq[11] = OFF;
	  	return 1;
	  case F_FREEZE_OFF:			
	  	addon_fg = 1;
	  	seq[10] = A_FRZE;
	  	seq[11] = OFF;
	  	return 1;
	  case F_MIRRO_OFF:			
	  	addon_fg = 1;
	  	seq[10] = A_MIRR;
	  	seq[11] = OFF;
	  	return 1;
#endif
	  default:
		no = no;
		return 0;
	}
/*
#else
    no = no;
	return 0;
#endif
*/
}



extern bit do_call_addon(unsigned char no)
{
//#ifndef DIS660
	switch (no)
	{
	case F_SCAN_RUN:
	    run_swing_fg = 1;
		seq[17] = F_SCAN_START;			//start point
		seq[18] = F_SCAN_END;			//end point
		return 1;
	case F_SCAN_STOP:
		run_swing_fg = 0;
		run_swing2_fg = 0;
		return 1;
	case F_SEQ_RUN:
	    run_seq2_fg = 1;		
		return 1;
#ifndef DIS660
	case F_CAM_POWER:
		power_fg = !power_fg;
		power_on_fg = power_fg;
		power_off_fg = !power_fg;
	    return 1;
	case F_BLC_ON:			
		addon_fg = 1;
		seq[10] = A_BLC;
		seq[11] = ON;
		return 1;
	case F_ZERO_ON:			
		addon_fg = 1;
		seq[10] = A_ZERO;
		seq[11] = ON;
		return 1;
	case F_MENU_ON:			
		disp_on_fg = 1;
		return 1;
	case F_DIGI_ON:			
		addon_fg = 1;
	 	seq[10] = A_DIGI;
	 	seq[11] = ON;
	 	return 1;
	 case F_FOCU_AUTO:
	    addon_fg = 1;
	  	seq[10] = A_FOCU;		
	  	seq[11] = AUTO;
	  	return 1;
	  case F_IRIS_AUTO:			
	  	addon_fg = 1;
	  	seq[10] = A_IRIS;
	  	seq[11] = AUTO;
	  	return 1;
	  case F_WB_AUTO:			
	  	addon_fg = 1;
	  	seq[10] = A_WB;
	  	seq[11] = AUTO;
	  	return 1;
	  case F_COLOR:			
	  	addon_fg = 1;
	  	seq[10] = A_BLACK;
	  	seq[11] = ON;
	  	return 1;
	  case F_FREEZE_ON:			
	  	addon_fg = 1;
	  	seq[10] = A_FRZE;
	  	seq[11] = ON;
	  	return 1;
	  case F_MIRRO_ON:			
	  	addon_fg = 1;
	  	seq[10] = A_MIRR;
	  	seq[11] = ON;
	  	return 1;
#endif
	default:
		no = no;
		return 0;
	}
//#else
//    no = no;
//	return 0;
//#endif
}