?? cnb-vp200.c

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/* 	
	Library for control c&b camera 
	V 1.00 build 2003.05.08
	support camera list:
	16X:
	18X:
		CNB-AP200
*/

#include <REG54.H>
#include <INTRINS.H>
#include <STRING.H>
#include "kernel.h"
#include "camera.h"
//#include "cam_func.h"
#include "config.h"

unsigned char code asc[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};

unsigned char asc2hex(unsigned char asc)
{
	return ((asc < 0x3a) ? (asc - 0x30) : (asc - 0x37));
}

unsigned char asc2hex2(unsigned char hi,lo)
{
	return ((asc2hex(hi) << 4) | asc2hex(lo));
}

unsigned char hex2aschi(unsigned char hex)
{
	return asc[(hex & 0xf0) >> 4];
}

unsigned char hex2asclo(unsigned char hex)
{
	return asc[hex & 0x0f];
}


unsigned char data cam_id =0x00;
unsigned char data cr[9];
bit iris_manu_fg;


//發送或接收數據時關中斷

#ifndef _CONFIG
	//sfr WDTC = 0x8f;
	sbit ARXD = P1^2;
	sbit ATXD = P1^3;
#endif

//for 40M 晶振

void cam_bit_delays(void)
{
	register unsigned char j;
	
	for (j=0;j<110;j++);
	_nop_();_nop_();
}

void cam_bit_delayr(void)
{
	register unsigned char j;
	
	for (j=0;j<108;j++);
}

void half_bit_delay(void)	
{
	register unsigned char j;
	
	for (j=0;j<60;j++);
}


extern void cam_send_byte(unsigned char cam_data)
{
	register unsigned char i;

	EA = 0;
	ATXD = 0;							
	_nop_();
	
	for (i=0;i<8;i++)
	{
		cam_bit_delays();		
		cam_data >>= 1;
		ATXD = CY;	
	}
	cam_bit_delays();
	EA = 1;
	ATXD = 1;						
	cam_bit_delays();
	ATXD = 1;						
	cam_bit_delays();
	cam_bit_delays();
}

extern unsigned char cam_receive_byte()
{
	unsigned int i = 0;
	unsigned char cam_data;

	EA = 0;
	RESET;	
	do
	{	
		ARXD = 1;
		if (!ARXD)
		{
			half_bit_delay();
			ARXD = 1;
			if (!ARXD)
			{
				cam_data = 0;
				_nop_();_nop_();_nop_();
				_nop_();_nop_();_nop_();_nop_();
				for(i=0;i<8;i++)					
				{
					cam_bit_delayr();
					cam_data >>= 1;
					ARXD = 1;
					if (ARXD) cam_data |= 0x80;		
				}
				goto sr_exit;
			}
		}
	}while ((++i) <10000);
sr_exit:
	EA = 1;
	return cam_data;
}

bit bw_fg = 0;
bit icr_manu_fg = 0;
/*
void cam_send_command(unsigned char *p)
{
	unsigned char cs;
	cam_send_byte(*p);
	cs = *p;
	p++;
	cam_send_byte(*p);
	cs += *p;
	p++;
	cam_send_byte(*p);
	cs += *p;
	p++;
	cam_send_byte(*p);
	cs += *p;
	p++;
	cam_send_byte(*p);
	cs += *p;
	p++;
	cam_send_byte(*p);
	cs += *p;
	p++;
	cam_send_byte(*p);
	cs += *p;
	p++;
	cam_send_byte(*p);
	cs += *p;
	p++;
	cam_send_byte(*p);
	cs += *p;	
	cam_send_byte(hex2aschi(cs));
	cam_send_byte(hex2asclo(cs));
	
}
*/

void cam_send_command(unsigned char *p)
{
	unsigned char *pp;
	unsigned char cs = 0;	
	for(pp=p;pp<p+9;pp++)
	{
	cam_send_byte(*pp);
	cs += *pp;
	}	
	cam_send_byte(hex2aschi(cs));
	cam_send_byte(hex2asclo(cs));
}

void cam_inquiry_state(void)
{
	register unsigned char i;
	
	for (i=40;i<47;i++) 
		seq[i] = cam_receive_byte();
}


extern void cam_zoom_focus_direct(void)
{
	cam_focus_manu();									
	delay_xms(30);

	cam_send_byte(0x81);						// CAM_ZoomFocus Direct
	cam_send_byte(0x01);
	cam_send_byte(0x04);
	cam_send_byte(0x47);
	cam_send_byte((pre[5] >> 4) & 0x0f);
	cam_send_byte(pre[5] & 0x0f);
	cam_send_byte((pre[6] >> 4) & 0x0f);
	cam_send_byte(pre[6] & 0x0f);
	cam_send_byte((pre[7] >> 4) & 0x0f);
	cam_send_byte(pre[7] & 0x0f);
	cam_send_byte((pre[8] >> 4) & 0x0f);
	cam_send_byte(pre[8] & 0x0f);
	cam_send_byte(0xff);

	delay_xms(24);
	set_curlimit(((pre[5] << 8) | pre[6])/ 0x02e8);
}




//unsigned char code cam_inq_gain_pos_[] = {0x2a,0x30,0x30,0x37,0x33,0x30,0x30,0x30,0x30};
unsigned char code cam_power_on_[]	= {0x2a,0x30,0x30,0x37,0x36,0x30,0x31,0x30,0x30};
unsigned char code cam_power_off_[]	= {0x2a,0x30,0x30,0x37,0x36,0x30,0x30,0x30,0x30};
unsigned char code cam_zoom_stop_[]	= {0x2a,0x30,0x30,0x37,0x35,0x30,0x39,0x30,0x30};
unsigned char code cam_zoom_tele_[]	= {0x2a,0x30,0x30,0x37,0x35,0x30,0x32,0x30,0x30};
unsigned char code cam_zoom_wide_[]	= {0x2a,0x30,0x30,0x37,0x35,0x30,0x34,0x30,0x30};
unsigned char code cam_d_zoom_on_[]	= {0x2a,0x30,0x30,0x37,0x35,0x30,0x39,0x30,0x30};
unsigned char code cam_d_zoom_off_[] 	= {0x2a,0x30,0x30,0x37,0x35,0x30,0x39,0x30,0x30};
unsigned char code cam_focus_stop_[]	= {0x2a,0x30,0x30,0x37,0x35,0x30,0x39,0x30,0x30};
unsigned char code cam_focus_far_[]	= {0x2a,0x30,0x30,0x37,0x35,0x30,0x35,0x30,0x30};
unsigned char code cam_focus_near_[]	= {0x2a,0x30,0x30,0x37,0x35,0x30,0x36,0x30,0x30};
unsigned char code cam_focus_auto_[]	= {0x2a,0x30,0x30,0x34,0x45,0x30,0x30,0x30,0x30};
unsigned char code cam_focus_manu_[]	= {0x2a,0x30,0x30,0x34,0x46,0x30,0x30,0x30,0x30};
unsigned char code cam_ae_auto_[] 	= {0x2a,0x30,0x30,0x38,0x31,0x30,0x30,0x30,0x30};
unsigned char code cam_ae_manu_[]	= {0x2a,0x30,0x30,0x38,0x31,0x30,0x32,0x30,0x30};//{0x2a,0x30,0x30,0x37,0x35,0x32,0x44,0x30,0x30};
unsigned char code cam_set_iris_level_[]= {0x2a,0x30,0x30,0x38,0x41,0x31,0x30,0x30,0x30};
unsigned char code cam_iris_up_[]	= {0x2a,0x30,0x30,0x37,0x35,0x32,0x45,0x30,0x30};
unsigned char code cam_iris_down_[]	= {0x2a,0x30,0x30,0x37,0x35,0x32,0x46,0x30,0x30};
unsigned char code cam_wb_auto_[]	= {0x2a,0x30,0x30,0x42,0x32,0x30,0x30,0x30,0x30};
unsigned char code cam_wb_manu_[]	= {0x2a,0x30,0x30,0x42,0x32,0x30,0x34,0x30,0x30};
unsigned char code cam_backlight_on_[] 	= {0x2a,0x30,0x30,0x38,0x32,0x30,0x31,0x30,0x30};
unsigned char code cam_backlight_off_[]	= {0x2a,0x30,0x30,0x38,0x32,0x30,0x30,0x30,0x30};
unsigned char code cam_freeze_on_[]	= {0x2a,0x30,0x30,0x41,0x45,0x30,0x31,0x30,0x30};
unsigned char code cam_freeze_off_[]	= {0x2a,0x30,0x30,0x41,0x45,0x30,0x30,0x30,0x30};
unsigned char code cam_picture_off_[]	= {0x2a,0x30,0x30,0x42,0x30,0x30,0x31,0x30,0x30};
unsigned char code cam_picture_bw_[]	= {0x2a,0x30,0x30,0x42,0x30,0x30,0x30,0x30,0x30};
unsigned char code cam_reverse_on_[]	= {0x2a,0x30,0x30,0x37,0x42,0x30,0x31,0x30,0x30};
unsigned char code cam_reverse_off_[]	= {0x2a,0x30,0x30,0x37,0x42,0x30,0x30,0x30,0x30};
unsigned char code cam_display_on_[]	= {0x2a,0x30,0x30,0x37,0x41,0x30,0x30,0x30,0x30};
unsigned char code cam_display_off_[]	= {0x2a,0x30,0x30,0x37,0x41,0x30,0x31,0x30,0x30};

unsigned char code cam_inq_zoom_pos_[]	= {0x2a,0x30,0x30,0x43,0x30,0x30,0x30,0x30,0x30};
unsigned char code cam_inq_focus_pos_[] = {0x2a,0x30,0x30,0x43,0x31,0x30,0x30,0x30,0x30};

unsigned char cam_read_id_[] 	 	= {0x2a,0x30,0x30,0x37,0x33,0x30,0x30,0x30,0x30};

extern void cam_focus_auto()		{f_auto_fg = 1;cam_send_command(cam_focus_auto_);}
extern void cam_focus_manu()		{f_auto_fg = 0;cam_send_command(cam_focus_manu_);}
extern void cam_focus_far()		{
								cam_focus_manu();
								delay_xms(25);
								cam_send_command(cam_focus_far_);
							}

extern void cam_zoom_wide()		{cam_send_command(cam_zoom_wide_);}
extern void cam_zoom_tele()		{cam_send_command(cam_zoom_tele_);}
extern void cam_zoom_stop()		{
								cam_send_command(cam_zoom_stop_);
								delay_xms(25);
								//set_level_limit();								
								cam_focus_auto();
							}

extern void cam_focus_near()		{
								cam_focus_manu();
								delay_xms(25);
								cam_send_command(cam_focus_near_);
							}
extern void cam_focus_stop()	{
								cam_send_command(cam_focus_stop_);								
							}
#ifdef CONTROL_IRIS
extern void cam_iris_open()		
{
	cam_ae_manu();
	delay_xms(30);
	cam_send_command(cam_iris_up_);
}

extern void cam_iris_close()		
{
	cam_ae_manu();
	delay_xms(30);
	cam_send_command(cam_iris_down_);
}

#else
extern void cam_iris_open()		{cam_send_command(cam_iris_up_);}
extern void cam_iris_close()		{cam_send_command(cam_iris_down_);}
#endif

//extern void cam_iris_open()		{cam_send_command(cam_iris_up_);}
//extern void cam_iris_close()		{cam_send_command(cam_iris_down_);}
extern void cam_power_on()			{cam_send_command(cam_power_on_);}
extern void cam_power_off()		{cam_send_command(cam_power_off_);}
extern void cam_ae_auto() 			{iris_manu_fg = 0;
cam_send_command(cam_ae_auto_);}
extern void cam_ae_manu()			{iris_manu_fg = 1;
cam_send_command(cam_ae_manu_);}
extern void cam_freeze_on()		{cam_send_command(cam_freeze_on_);}
extern void cam_freeze_off()		{cam_send_command(cam_freeze_off_);}	
extern void cam_backlight_on()		{cam_send_command(cam_backlight_on_);}
extern void cam_backlight_off()	{cam_send_command(cam_backlight_off_);}
extern void cam_reverse_on()		{cam_send_command(cam_reverse_on_);}
extern void cam_reverse_off()		{cam_send_command(cam_reverse_off_);}
extern void cam_display_on()		{cam_send_command(cam_display_on_);}
extern void cam_display_off()		{cam_send_command(cam_display_off_);}
extern void cam_d_zoom_on()	   {cam_send_command(cam_d_zoom_on_);}
extern void cam_d_zoom_off()		{cam_send_command(cam_d_zoom_off_);}



extern void cam_icrshot_on()		{
/*cam_send_command(cam_icrshot_on_);

#ifdef CAM_SONY_LP
  if (!bw_fg) 
  {
  	delay_xms(20);
  	cam_send_command(cam_picture_bw_);
  }
#endif
*/
}
extern void cam_icrshot_off()		{
/*cam_send_command(cam_icrshot_off_);

#ifdef CAM_SONY_LP
  if (!bw_fg) 
  {
  	delay_xms(20);
  	cam_send_command(cam_picture_off_);
  } 
#endif
*/
}

extern void cam_wb_auto()			{cam_send_command(cam_wb_auto_);}
extern void cam_wb_manu()			{cam_send_command(cam_wb_manu_);}
extern void cam_picture_off()  	{bw_fg = 0;cam_send_command(cam_picture_off_);}
extern void cam_picture_bw()   	{bw_fg = 1;cam_send_command(cam_picture_bw_);}
extern void cam_inq_zoom_pos()		{cam_send_command(cam_inq_zoom_pos_);}

extern void cam_inq_focus_pos()	{cam_send_command(cam_inq_focus_pos_);}

extern void cam_get_id(void)
{
	register unsigned char i,j = 30;	
	cam_send_command(cam_read_id_);
	while ((j--) && (cam_receive_byte() != 0x2a));
	for (i=0;i<3;i++) cr[i] = cam_receive_byte();		
	cam_id = asc2hex2(cr[1],cr[2]);	
}

extern void cam_icr_set(void)
{}
//{
/*
    cc_icr ++;
	if (cc_icr != 0xffff) return; 
	if (manual_fg) return;
	if (cont_fg) return;
	if (icr_manu_fg) return;

	cam_send_command(cam_inq_gain_pos_);
	cam_inquiry_state();
	delay_xms(20);
	if (seq[42] || seq[43] || seq[44]) goto icr_off; 
	if (seq[45] >= 0x06)
	{	
		if (_testbit_(icr_need_fg))
		{
			cam_icrshot_on();
			icr_fg = 1;
			delay_xms(20);
			cam_icrshot_on();
		}
		else if (!icr_fg)
			icr_need_fg = 1;
	}
	else
	{
icr_off:
		icr_need_fg = 0;
		if (_testbit_(icr_fg)) 
		{
			cam_icrshot_off();
			delay_xms(20);
			cam_icrshot_off();
		}
	}
*/
//}

extern void set_level_limit(void)
{
/*
	unsigned char zh,zl;

	cam_inq_zoom_pos();
	cam_inquiry_state();
	zh = ((seq[42] << 4) & 0xf0) | (seq[43] & 0x0f);
	zl = ((seq[44] << 4) & 0xf0) | (seq[45] & 0x0f);

	set_curlimit(((zh << 8) | zl) / 0x02e8);
*/
}

extern void cam_set_preset(void)
{
	cam_inq_zoom_pos();									// read zoom position
	cam_inquiry_state();
	pre[5] = ((seq[42] << 4) & 0xf0) | (seq[43] & 0x0f);
	pre[6] = ((seq[44] << 4) & 0xf0) | (seq[45] & 0x0f);
	//seq[5] = ((seq[42] << 4) & 0xf0) | (seq[43] & 0x0f);
	//seq[6] = ((seq[44] << 4) & 0xf0) | (seq[45] & 0x0f);
	delay_xms(20);

	cam_inq_focus_pos();								// read focus position
	cam_inquiry_state();
	pre[7] = ((seq[42] << 4) & 0xf0) | (seq[43] & 0x0f);
	pre[8] = ((seq[44] << 4) & 0xf0) | (seq[45] & 0x0f);
	//seq[7] = ((seq[42] << 4) & 0xf0) | (seq[43] & 0x0f);
	//seq[8] = ((seq[44] << 4) & 0xf0) | (seq[45] & 0x0f);			
}
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