p_eyeview.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 id_ext,data5,data4,data6,data7,data8;
unsigned char datax;

void (code *rr)(unsigned char rc);
void word1(unsigned char rc);
void word2(unsigned char rc);
void word3(unsigned char rc);
void word4(unsigned char rc);
void word5(unsigned char rc);
void word6(unsigned char rc);
void word7(unsigned char rc);
void word8(unsigned char rc);
void word9(unsigned char rc);
void word10(unsigned char rc);
void word11(unsigned char rc);

void word1(unsigned char rc) using 1
{
	if (rc == 0xbf)
	{
		rr = word2;
	}
}

void word2(unsigned char rc) using 1
{
	if (rc != id_ext) 
		rr = word1;
	else
	{
		rr = word3;
		datax = rc;
		while(1);
	}
}

void word3(unsigned char rc) using 1
{
	datax += rc;
	rr = word4;
}

void word4(unsigned char rc) using 1
{
	datax += rc;
	rr = word5;
	data4 = rc;
}

void word5(unsigned char rc) using 1
{
	data5 = rc;
	datax += rc;
	rr = word6;
}

void word6(unsigned char rc) using 1
{
	data6 = rc;
	datax += rc;
	rr = word7;
}

void word7(unsigned char rc) using 1
{
	data7 = rc;
	datax += rc;
	rr = word8;
}

void word8(unsigned char rc) using 1
{
	data8 = rc;
	datax += rc;
	rr = word9;
}

void word9(unsigned char rc) using 1
{
	datax += rc;

	if (rc != 0x01)
		rr = word1;
	else
	{
	    rr = word10;
		datax = 0x9a - datax;
	}
}

void word10(unsigned char rc) using 1
{

	if (rc != 0xa1)
		rr = word1;
	else
	    rr = word11;
}

void word11(unsigned char rc) using 1
{
	rr = word1;
	if (rc == datax)
	{
		if(data5 != 0xff)
		{	
			switch(data5)
			{
			case 0xf9:	
				set_pre_fg = 1;
				run_swing_fg = 0;
				run_seq2_fg = 0;
				seq[15] = ((0xff - data6) >> 1) + 1;
				break;
			case 0xf1:
				call_pre_fg = 1;
				run_swing_fg = 0;
				run_seq2_fg = 0;
				seq[15] = ((0xff - data6) >> 1) + 1;
				break;
			case 0x7f:
				zoom_tele_fg = 1;
				zoom_need_stop = 1;
				break;
			case 0xbf:
				zoom_wide_fg = 1;
				zoom_need_stop = 1;
				break;
			case 0xf7:
			case 0xfb:
			case 0xef:
			case 0xdf:
			case 0xe7:
			case 0xd7:
			case 0xeb:
			case 0xdb:
				cont_fg = 1;
				run_seq2_fg = 0;
				run_swing_fg = 0;
				run_seq_fg = 0;
				seq[12] = (~data5) >> 2;
				seq[13] = (~data6) >> 1;									
				seq[14] = (~data7) >> 1;
				break;
			}															
		}
		else		//不是Extened Command命令
		{
			switch(data4)
			{
				case 0xfb:		//focu far
					focu_far_fg = 1;
					focus_need_stop = 1;
					break;
				case 0xfd:		//focu near
					focu_near_fg = 1;
					focus_need_stop = 1;
					break;
				case 0xdf: 	//iris open
					iris_open_fg = 1;
					break;
				case 0xef:		//iris close
					iris_close_fg = 1;
					break;
				default:
					if (_testbit_(zoom_need_stop)) zoom_stop_fg = 1;
					if (_testbit_(focus_need_stop)) focu_stop_fg = 1;
					seq[12] = 0;		//seq[12]---手动时的方向		
					cont_fg = 1;		//cont_fg---手动控制标志
					break;			
			}					
		}
	}
}

//初始化串行口
extern void init_serial(void)
{
	PCON = 0x00;SCON = 0x50;  //电源和串行口工作方式设置波特率不倍增
	TH2 = 0xff; RCAP2H = 0xff;
#ifdef FOCS_40M
	TL2 = 0x7e; RCAP2L = 0x7e;
#else
	TL2 = 0xb8; RCAP2L = 0xb8;
#endif
	T2CON = 0x34;

	rr = word1;

	id_ext = id << 1;
	id_ext = ~id_ext;
}

//串行口中断服务程序
void serial_int(void) interrupt 4 using 1	// 串行口中断有高优先级,使用寄存器组1
{
	ES = 0;
	if (_testbit_(RI)) (*rr)(SBUF);
	ES = 1;
}

bit power_fg = 1;
/* 返回值为1则不当做预置点功能,返回值为0则是预置点功能 */
/* 用设置预置点的方法来实现附加功能*/
extern bit do_set_addon(unsigned char no)
{  
//#ifndef DIS660
#if (1)
	switch (no)
	{
	case F_SCAN_START:   
	case F_SCAN_END:   
	case F_SEQ_SET:
		no = no;
		return 0;
	case F_CAM_RESET:			//camera reset
		addon_fg = 1;
		seq[10] = A_RESET;
		seq[11] = ON;
		return 1;
	case F_BLC_OFF:			//背光补偿关
		addon_fg = 1;   
		seq[10] = A_BLC;
		seq[11] = OFF;
		return 1;
	case F_ZERO_OFF:			//低照度关
		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;		//聚焦手动
	  	seq[11] = MANU;
	  	return 1;
	  case F_IRIS_MANU:			// 光圈手动
	  	addon_fg = 1;
	  	seq[10] = A_IRIS;
	  	seq[11] = MANU;
	  	return 1;
	  case F_WB_MANU:			// 白平衡手动
	  	addon_fg = 1;
	  	seq[10] = A_WB;
	  	seq[11] = MANU;
	  	return 1;
	  case F_BLACK:			//黑白模式
	  	addon_fg = 1;
	  	seq[10] = A_BLACK;
	  	seq[11] = OFF;
	  	return 1;
	  case F_FREEZE_OFF:			//图象冻结解除
	  	addon_fg = 1;
	  	seq[10] = A_FRZE;
	  	seq[11] = OFF;
	  	return 1;
	  case F_MIRRO_OFF:			//镜像解除
	  	addon_fg = 1;
	  	seq[10] = A_MIRR;
	  	seq[11] = OFF;
	  	return 1;
	  default:
		no = no;
		return 0;
	}
#else
	no = no;
	return 0;
#endif
}

/* 用调用预置点的方法来实现附加功能*/

extern bit do_call_addon(unsigned char no)
{
//#ifndef DIS660
#if (1)
	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;
		return 1;
	case F_SEQ_RUN:
	    run_seq2_fg = 1;		//运行轨迹标志,调用第一至第十六个预置点
		return 1;
	case F_CAM_POWER:
		power_fg = !power_fg;
		power_on_fg = power_fg;
		power_off_fg = !power_fg;
	    return 1;
	case F_BLC_ON:			//背光补偿开
		addon_fg = 1;
		seq[10] = A_BLC;
		seq[11] = ON;
		return 1;
	case F_ZERO_ON:			//低照度开
		addon_fg = 1;
		seq[10] = A_ZERO;
		seq[11] = ON;
		return 1;
	case F_MENU_ON:			//屏显开
		disp_on_fg = 1;
		return 1;
	case F_DIGI_ON:			//数字变倍开
		addon_fg = 1;
	 	seq[10] = A_DIGI;
	 	seq[11] = ON;
	 	return 1;
	 case F_FOCU_AUTO:
	    addon_fg = 1;
	  	seq[10] = A_FOCU;		//聚焦自动
	  	seq[11] = AUTO;
	  	return 1;
	  case F_IRIS_AUTO:			// 光圈自动
	  	addon_fg = 1;
	  	seq[10] = A_IRIS;
	  	seq[11] = AUTO;
	  	return 1;
	  case F_WB_AUTO:			// 白平衡自动
	  	addon_fg = 1;
	  	seq[10] = A_WB;
	  	seq[11] = AUTO;
	  	return 1;
	  case F_COLOR:			//黑白模式
	  	addon_fg = 1;
	  	seq[10] = A_BLACK;
	  	seq[11] = ON;
	  	return 1;
	  case F_FREEZE_ON:			//图象冻结
	  	addon_fg = 1;
	  	seq[10] = A_FRZE;
	  	seq[11] = ON;
	  	return 1;
	  case F_MIRRO_ON:			//镜像开
	  	addon_fg = 1;
	  	seq[10] = A_MIRR;
	  	seq[11] = ON;
	  	return 1;
	default:
		no = no;
		return 0;
	}
#else
	no = no;
	return 0;
#endif
}