#include <stdio.h>#include <stdlib.h>#include <string.h>#include <fcntl.h>#include <errno.h>#include <unistd.h>#include <termios.h>#include <linux/fb.h>#include <sys/mman.h>#include <sys/ioctl.h>#include <jpeglib.h>#define	__user#include "videodev.h"#include "pxa_camera.h"/****************************************************///#define	S3C2440A#define	PXA27X//#define	SCCB_INIT#define USER_I2C_INIT	//use i2c initialize#define YCbCr_TO_RGB_TEST#define	FIXED_SOURCE_WIDTH	640#define	FIXED_SOURCE_HEIGHT	480/****************************************************/static struct {	int palette;	char *name;} optional_image_format[] = {	{		VIDEO_PALETTE_YUV422P,		"YCbCr422 planar",	},	{		VIDEO_PALETTE_RGB565,		"RGB565",	},/*	{		VIDEO_PALETTE_RGB24,		"RGB24",	},*/};#define	MAX_IMAGE_FORMAT	(sizeof(optional_image_format)/sizeof(optional_image_format[0]))#ifndef GLOBAL#define	GLOBAL	//defined in jmorecfg.h#endifstatic unsigned short image_width;static unsigned short image_height;static unsigned char *image_buffer;static unsigned short optimization = 75;static unsigned short image_format;static char *image_file = "jpgfile";static unsigned short file_index;static unsigned short mmap_camera;static unsigned short capture_video;static unsigned short cpu_type;__u32 Conv_YCbCr_Rgb(__u8 y0, __u8 y1, __u8 cb0, __u8 cr0);/****************************************************/GLOBAL(void)write_JPEG_file (char * filename, int quality){	struct jpeg_compress_struct cinfo; 	struct jpeg_error_mgr jerr;  	/* More stuff */  	FILE * outfile;		/* target file */  	JSAMPROW row_pointer[1];	/* pointer to JSAMPLE row[s] */  	int row_stride;		/* physical row width in image buffer */ 	cinfo.err = jpeg_std_error(&jerr);  	/* Now we can initialize the JPEG compression object. */  	jpeg_create_compress(&cinfo); 	if ((outfile = fopen(filename, "wb")) == NULL)       	{    		fprintf(stderr, "can't open %s\n", filename);    		exit(1);  	} 	jpeg_stdio_dest(&cinfo, outfile); 	cinfo.image_width = image_width; 	/* image width and height, in pixels */  	cinfo.image_height = image_height;  	cinfo.input_components = 3;		/* # of color components per pixel */  	cinfo.in_color_space = JCS_RGB; 	/* colorspace of input image */ 	jpeg_set_defaults(&cinfo); 	jpeg_set_quality(&cinfo, quality, TRUE /* limit to baseline-JPEG values */); 	jpeg_start_compress(&cinfo, TRUE); 	row_stride = image_width * 3;	/* JSAMPLEs per row in image_buffer */  	while (cinfo.next_scanline < cinfo.image_height)       	{   		row_pointer[0] = & image_buffer[cinfo.next_scanline * row_stride];    		(void) jpeg_write_scanlines(&cinfo, row_pointer, 1);  	}  	/* Step 6: Finish compression */  	jpeg_finish_compress(&cinfo);  	/* After finish_compress, we can close the output file. */ 	fclose(outfile); 	jpeg_destroy_compress(&cinfo);  	/* And we're done! */}// support RGB16 or YCbCr422static void save_picture(unsigned char *src){	int y, x;	char name[64];	unsigned long rgb_data;	unsigned short w = image_width;	unsigned short h = image_height;	unsigned char *src_y = src;	unsigned char *src_cb = src_y+image_width*image_height;	unsigned char *src_cr = src_cb+image_width*image_height/2;	int palette = optional_image_format[image_format].palette;		image_buffer = malloc(w*h*3);	//RGB24	if(image_buffer==NULL) {		printf("allocate memory fail in saving picture!\n");		return;	}	if(palette==VIDEO_PALETTE_RGB565)		for(y=0; y<h; y++)			for(x=0; x<w; x++) {				image_buffer[(y*w+x)*3]   = (((__u16 *)src)[y*w+x]&0xf800)>>8;				image_buffer[(y*w+x)*3+1] = (((__u16 *)src)[y*w+x]&0x07e0)>>3;				image_buffer[(y*w+x)*3+2] = (((__u16 *)src)[y*w+x]&0x001f)<<3;			}	else if(palette==VIDEO_PALETTE_YUV422P)		for(y=0; y<h; y++)			for(x=0; x<w; x++) {				rgb_data = Conv_YCbCr_Rgb(src_y[y*w+x], src_y[y*w+x+1],											src_cb[(y*w+x)>>1], src_cr[(y*w+x)>>1]);				image_buffer[(y*w+x)*3]   = (rgb_data&0xf800)>>8;				image_buffer[(y*w+x)*3+1] = (rgb_data&0x07e0)>>3;				image_buffer[(y*w+x)*3+2] = (rgb_data&0x001f)<<3;				x++;				image_buffer[(y*w+x)*3]   = (rgb_data&0xf8000000)>>24;				image_buffer[(y*w+x)*3+1] = (rgb_data&0x07e00000)>>19;				image_buffer[(y*w+x)*3+2] = (rgb_data&0x001f0000)>>13;			}	else {		printf("unsupported input image format for saving jpeg file\n");		free(image_buffer);		return;	}	memset(name, 0, sizeof(name));	sprintf(name, "%s%04d.jpg", image_file, file_index++);	write_JPEG_file(name, optimization);	free(image_buffer);}/****************************************************/struct reg_set_s {	int val1;	int val2;};static int fb_xres;static int fb_yres;static int fb_bpp;#define	YCbCrtoR(Y,Cb,Cr)	(1000*Y + 1371*(Cr-128))/1000#define	YCbCrtoG(Y,Cb,Cr)	(1000*Y - 336*(Cb-128) - 698*(Cr-128))/1000#define	YCbCrtoB(Y,Cb,Cr)	(1000*Y + 1732*(Cb-128))/1000#define	min(x1, x2)		(((x1)<(x2))?(x1):(x2))__u32 Conv_YCbCr_Rgb(__u8 y0, __u8 y1, __u8 cb0, __u8 cr0){	// bit order is	// YCbCr = [Cr0 Y1 Cb0 Y0], RGB=[R1,G1,B1,R0,G0,B0].		int r0, g0, b0, r1, g1, b1;	__u16 rgb0, rgb1;	__u32 rgb; 	#if 1 // 4 frames/s @192MHz, 12MHz ; 6 frames/s @450MHz, 12MHz	r0 = YCbCrtoR(y0, cb0, cr0);	g0 = YCbCrtoG(y0, cb0, cr0);	b0 = YCbCrtoB(y0, cb0, cr0);	r1 = YCbCrtoR(y1, cb0, cr0);	g1 = YCbCrtoG(y1, cb0, cr0);	b1 = YCbCrtoB(y1, cb0, cr0);	#endif	if (r0>255 ) r0 = 255;	if (r0<0) r0 = 0;	if (g0>255 ) g0 = 255;	if (g0<0) g0 = 0;	if (b0>255 ) b0 = 255;	if (b0<0) b0 = 0;	if (r1>255 ) r1 = 255;	if (r1<0) r1 = 0;	if (g1>255 ) g1 = 255;	if (g1<0) g1 = 0;	if (b1>255 ) b1 = 255;	if (b1<0) b1 = 0;		// 5:6:5 16bit format	rgb0 = (((__u16)r0>>3)<<11) | (((__u16)g0>>2)<<5) | (((__u16)b0>>3)<<0);	//RGB565.	rgb1 = (((__u16)r1>>3)<<11) | (((__u16)g1>>2)<<5) | (((__u16)b1>>3)<<0);	//RGB565.	rgb = (rgb1<<16) | rgb0;	return(rgb);}static char yuv_interval[] = {0, 2, 4, 8, 16};static void show_cam_img(void *scr, __u8 *y_buf, __u8 *cb_buf, __u8 *cr_buf){	__u16 x, y, w, h, i, f;	__u16 *fb_buf = (__u16 *)scr;	__u32 rgb_data;	int palette = optional_image_format[image_format].palette;		for(i=0; i<4; i++) {	//0,1,2,3		if((image_width>>i)<=fb_xres) {			f = 0;			w = min(image_width>>i, fb_xres);			h = min(image_height>>i, fb_yres);			break;		}		if((image_height>>i)<=fb_yres) {			f = 1;			w = min(image_width>>i, fb_yres);			h = min(image_height>>i, fb_xres);			break;		}	}	if(i>=4)		return;	//printf("%d,%d %d,%d\n", i, f, w, h);	if(palette==VIDEO_PALETTE_RGB565) {		if(!f) {			for(y=0; y<h; y++) {				for(x=0; x<w; x+=2) {					fb_buf[x]   = ((__u16 *)y_buf)[x<<i];					fb_buf[x+1] = ((__u16 *)y_buf)[(x+1)<<i];				}				fb_buf += fb_xres;				(__u16 *)y_buf += image_width<<i;			}		} else {			for(y=0; y<h; y++) {				for(x=0; x<w; x+=2) {					fb_buf[(fb_yres-x-1)*fb_xres+y] = ((__u16 *)y_buf)[x<<i];					fb_buf[(fb_yres-x-2)*fb_xres+y] = ((__u16 *)y_buf)[(x+1)<<i];				}				(__u16 *)y_buf += image_width<<i;			}		}	} else if(palette==VIDEO_PALETTE_YUV422P) {		if(!f) {			for(y=0; y<h; y++) {				for(x=0; x<w; x+=2) {	//calculate 2 times					if(i) {						fb_buf[x]   = Conv_YCbCr_Rgb(y_buf[x<<i],									y_buf[(x<<i)+1],									cb_buf[(x<<i)>>1],									cr_buf[(x<<i)>>1]);						fb_buf[x+1] = Conv_YCbCr_Rgb(y_buf[(x<<i)+yuv_interval[i]],									y_buf[(x<<i)+1+yuv_interval[i]],									cb_buf[((x<<i)+yuv_interval[i])>>1],									cr_buf[((x<<i)+yuv_interval[i])>>1]);					} else {						rgb_data = Conv_YCbCr_Rgb(y_buf[x<<i],									y_buf[(x<<i)+1],									cb_buf[(x<<i)>>1],									cr_buf[(x<<i)>>1]);						fb_buf[x]   = rgb_data;						fb_buf[x+1] = rgb_data>>16;					}				}				fb_buf += fb_xres;				y_buf += image_width<<i;				cb_buf += (image_width<<i)>>1;				cr_buf += (image_width<<i)>>1;			}		} else {			for(y=0; y<h; y++) {				for(x=0; x<w; x+=2) {					if(i) {						fb_buf[(fb_yres-x-1)*fb_xres+y] = Conv_YCbCr_Rgb(y_buf[x<<i],								y_buf[(x<<i)+1],								cb_buf[(x<<i)>>1],								cr_buf[(x<<i)>>1]);						fb_buf[(fb_yres-x-2)*fb_xres+y] = Conv_YCbCr_Rgb(y_buf[(x<<i)+yuv_interval[i]],									y_buf[(x<<i)+1+yuv_interval[i]],									cb_buf[((x<<i)+yuv_interval[i])>>1],									cr_buf[((x<<i)+yuv_interval[i])>>1]);					} else {						rgb_data = Conv_YCbCr_Rgb(y_buf[x<<i],									y_buf[(x<<i)+1],									cb_buf[(x<<i)>>1],									cr_buf[(x<<i)>>1]);						fb_buf[(fb_yres-x-1)*fb_xres+y] = rgb_data;						fb_buf[(fb_yres-x-2)*fb_xres+y] = fb_buf[x+1] = rgb_data>>16;					}				}				y_buf += image_width<<i;				cb_buf += (image_width<<i)>>1;				cr_buf += (image_width<<i)>>1;			}		}	}	}#ifdef	YCbCr_TO_RGB_TEST#include "422jpeg.h"static void test_ycbcr_to_rgb(void *scr){	__u8 *buffer_y, *buffer_cb, *buffer_cr;		buffer_y  = (__u8 *)c422jpeg;	buffer_cb = buffer_y  + 240 * 320;	buffer_cr = buffer_cb + 240 * 320 / 2;		image_width = 240;	image_height = 320;		printf("Test YCbCr422 to RGB...\n");	show_cam_img(scr, buffer_y, buffer_cb, buffer_cr);	printf("Press enter key to continue...\n");	getchar();		image_width = 0;	image_height = 0;}#elsestatic void test_ycbcr_to_rgb(void *scr) {}#endif#if defined(USER_I2C_INIT) || defined(SCCB_INIT)#define	CAMERA_I2C_ADDR	0x30#define	CAMERA_MIDH	0x1c#define	CAMERA_MIDL	0x1d#define	CAMERA_PIDH	0x0a#define	CAMERA_PIDL	0x0b#define CHIP_DELAY	0xFFstruct i2c_reg_t {	int subaddr;	int value;};static struct i2c_reg_t camera_regs[] = {	{0x12, 0x81},	// Camera Soft reset. Self cleared after reset.	{CHIP_DELAY, 20},//change 0x11[0x81->0x80], 0x15[0x02->0x20], 0x3a[0x01->0x0d]hzh//{0x1e,0x34},04-->24/********************/#if 1{0x11,0x81},{0x6a,0x3e},{0x3b,0x09},{0x13,0xe0},{0x01,0x80},{0x02,0x80},{0x00,0x00},{0x10,0x00},{0x13,0xe5},{0x39,0x43},{0x38,0x12},{0x37,0x00},{0x35,0x91},{0x0e,0xa0},{0x1e,0x30},{0xA8,0x80},{0x12,0x40},{0x04,0x00},{0x0c,0x04},{0x0d,0x80},{0x18,0xc6},{0x17,0x26},{0x32,0xad},{0x03,0x00},{0x1a,0x3d},{0x19,0x01},{0x3f,0xa6},{0x14,0x2e},{0x15,0x20},{0x41,0x02},{0x42,0x08},{0x1b,0x00},{0x16,0x06},{0x33,0xe2},{0x34,0xbf},{0x96,0x04},{0x3a,0x00},{0x8e,0x00},{0x3c,0x77},{0x8B,0x06},{0x94,0x88},{0x95,0x88},{0x40,0xc1},{0x29,0x3f},{0x0f,0x42},{0x3d,0x92},{0x69,0x40},{0x5C,0xb9},{0x5D,0x96},{0x5E,0x10},{0x59,0xc0},{0x5A,0xaf},{0x5B,0x55},{0x43,0xf0},{0x44,0x10},{0x45,0x68},{0x46,0x96},{0x47,0x60},{0x48,0x80},{0x5F,0xe0},{0x60,0x8c},{0x61,0x20},{0xa5,0xd9},{0xa4,0x74},{0x8d,0x02},{0x13,0xe7},{0x4f,0x3a},{0x50,0x3d},{0x51,0x03},{0x52,0x12},{0x53,0x26},{0x54,0x38},{0x55,0x40},{0x56,0x40},{0x57,0x40},{0x58,0x0d},{0x8C,0x23},{0x3E,0x02},{0xa9,0xb8},{0xaa,0x92},{0xab,0x0a},{0x8f,0xdf},{0x90,0x00},{0x91,0x00},{0x9f,0x00},{0xa0,0x00},{0x3A,0x0d},{0x24,0x70},{0x25,0x64},{0x26,0xc3},{0x2a,0x00},{0x2b,0x00},{0x6c,0x40},{0x6d,0x30},{0x6e,0x4b},{0x6f,0x60},{0x70,0x70},{0x71,0x70},{0x72,0x70},{0x73,0x70},{0x74,0x60},{0x75,0x60},{0x76,0x50},{0x77,0x48},{0x78,0x3a},{0x79,0x2e},{0x7a,0x28},{0x7b,0x22},{0x7c,0x04},{0x7d,0x07},{0x7e,0x10},{0x7f,0x28},{0x80,0x36},{0x81,0x44},{0x82,0x52},{0x83,0x60},{0x84,0x6c},{0x85,0x78},{0x86,0x8c},{0x87,0x9e},{0x88,0xbb},{0x89,0xd2},{0x8a,0xe6},#else//{0x1e,0x14}-->{0x1e,0x04},上下相反//{0x15,0x10},-->{0x15,0x20},//{0x3A,0x01},-->{0x3A,0x0d}, {0x11,0x80},-->{0x11,0x81},{0x11,0x80},{0x6a,0x3e},{0x3b,0x09},{0x13,0xe0},{0x01,0x80},{0x02,0x80},{0x00,0x00},{0x10,0x00},{0x13,0xe5},{0x39,0x43},{0x38,0x12},{0x37,0x00},{0x35,0x91},{0x0e,0xa0},{0x1e,0x24},{0xA8,0x80},{0x12,0x40},{0x04,0x00},{0x0c,0x04},{0x0d,0x80},{0x18,0xc6},{0x17,0x26},{0x32,0xad},{0x03,0x00},{0x1a,0x3d},{0x19,0x01},{0x3f,0xa6},{0x14,0x2e},{0x15,0x20},{0x41,0x02},{0x42,0x08},{0x1b,0x00},{0x16,0x06},{0x33,0xe2},{0x34,0xbf},{0x96,0x04},{0x3a,0x00},{0x8e,0x00},{0x3c,0x77},{0x8B,0x06},{0x94,0x88},{0x95,0x88},{0x40,0xc1},{0x29,0x3f},{0x0f,0x42},{0x3d,0x92},{0x69,0x40},{0x5C,0xb9},{0x5D,0x96},{0x5E,0x10},{0x59,0xc0},{0x5A,0xaf},{0x5B,0x55},{0x43,0xf0},{0x44,0x10},{0x45,0x68},{0x46,0x96},{0x47,0x60},{0x48,0x80},{0x5F,0xe0},{0x60,0x8c},{0x61,0x20},{0xa5,0xd9},{0xa4,0x74},{0x8d,0x02},{0x13,0xe7},{0x4f,0x3a},{0x50,0x3d},{0x51,0x03},{0x52,0x12},{0x53,0x26},{0x54,0x38},{0x55,0x40},{0x56,0x40},{0x57,0x40},{0x58,0x0d},{0x8C,0x23},{0x3E,0x02},{0xa9,0xb8},{0xaa,0x92},{0xab,0x0a},{0x8f,0xdf},{0x90,0x00},{0x91,0x00},{0x9f,0x00},{0xa0,0x00},{0x3A,0x0d},{0x24,0x70},{0x25,0x64},{0x26,0xc3},{0x2a,0x00},{0x2b,0x00},{0x6c,0x40},{0x6d,0x30},{0x6e,0x4b},{0x6f,0x60},{0x70,0x70},{0x71,0x70},{0x72,0x70},{0x73,0x70},{0x74,0x60},{0x75,0x60},{0x76,0x50},{0x77,0x48},{0x78,0x3a},{0x79,0x2e},{0x7a,0x28},{0x7b,0x22},{0x7c,0x04},{0x7d,0x07},{0x7e,0x10},{0x7f,0x28},{0x80,0x36},{0x81,0x44},{0x82,0x52},{0x83,0x60},{0x84,0x6c},{0x85,0x78},{0x86,0x8c},{0x87,0x9e},{0x88,0xbb},{0x89,0xd2},{0x8a,0xe6},#endif//	{0x3a, 0x0d},	//	//{0x3a, 0x1d},	//for test	//{0x67, 'U'},	//fixed value for U	//{0x68, 'V'},	//fixed value for V	//{0x15, 0x12},	//PCLK reverse, VSYNC negative	//{0x12, 0x10},	//QVGA	//{0x04, 0x20},	//QQVGA	//{0x15, 0x20},	//no PCLK when HREF is low};#define CAMERA_REGS (sizeof(camera_regs)/sizeof(camera_regs[0]))#include <sys/time.h>static void delay_ms(long ms){/*		struct timeval tvs, tve;	struct timezone tzs, tze;	if(!ms)		return;	gettimeofday(&tvs, &tzs);	while(1) {		long ds, dus;		gettimeofday(&tve, &tze);		dus = tve.tv_usec - tvs.tv_usec;		if(dus<0) {			dus += 1000000;			tve.tv_sec--;		}		ds = tve.tv_sec - tvs.tv_sec;		if((ds*1000000+dus)/1000>=ms)			break;	}*/	fd_set rfds;	struct timeval tv;	FD_ZERO(&rfds);	FD_SET(0, &rfds);	tv.tv_sec = 0;	tv.tv_usec = ms*1000;	select(1, &rfds, NULL,  NULL, &tv);}#endif#ifdef USER_I2C_INITstatic int i2c_write(int fd, __u8 reg, __u8 val){	int retries;	__u8 data[2];	data[0] = reg;	data[1] = val;	for(retries=5; retries; retries--) {		if(write(fd, data, 2)==2)			return 0;		delay_ms(2);	}	//printf("write fail %x %x\n", data[0], data[1]);	return -1;}static int i2c_read(int fd, __u8 reg, __u8 *val){	int retries;	for(retries=5; retries; retries--) {		if(write(fd, &reg, 1)==1)			if(read(fd, val, 1)==1)				return 0;		delay_ms(2);	}	//printf("read fail\n");	return -1;}#define I2C_SLAVE	0x0703	/* Change slave address			*/static int camera_i2c_init(void)