cam_interface.h

这是一个用c语言编写的摄像头驱动程序

#ifndef CAM_INTERFACE_H
#define CAM_INTERFACE_H



#define CAM_CCIR420						(0)
#define CAM_CCIR422						(1)
#define CAM_RGB16B						0
#define CAM_RGB24B						1

#define CAM_ITU601						(1)
#define CAM_ITU656						(0)

#define CAM_ORDER_YCBYCR				(0)
#define CAM_ORDER_YCRYCB				(1)
#define CAM_ORDER_CBYCRY				(2)
#define CAM_ORDER_CRYCBY				(3)

#define CAM_CODEC_IN_420				(0)
#define CAM_CODEC_IN_422				(1)

#define CAM_CODEC_OUT_420				(0)
#define CAM_CODEC_OUT_422				(1)

#define CAM_FLIP_NORMAL					(0)
#define CAM_FLIP_XAXIS					(1)
#define CAM_FLIP_YAXIS					(2)
#define CAM_FLIP_180					(3)

#define CAM_SCALER_BYPASS_ON			(1)
#define CAM_SCALER_BYPASS_OFF			(0)

#define CAM_CODEC_SACLER_START_BIT			(1<<15)
#define CAM_PVIEW_SACLER_START_BIT			(1<<15)

#define CAM_CAMIF_GLOBAL_CAPTURE_ENABLE_BIT		(1<<31)
#define CAM_CODEC_SCALER_CAPTURE_ENABLE_BIT		(1<<30)
#define CAM_PVIEW_SCALER_CAPTURE_ENABLE_BIT		(1<<29)

//camTestMode
#define CAM_TEST_MODE_PVIEW				(1<<0)
#define CAM_TEST_MODE_CODEC				(1<<1)

//camCodecStatus, camPviewStatus
#define CAM_STARTED						(0)
#define CAM_STOP_ISSUED					(1)
#define CAM_LAST_CAPTURING				(2)
#define CAM_STOPPED						(3)
#define CAM_CODEC_SCALER_BYPASS_STATE	(4)

//Image Size
#define XGA_XSIZE		(1024)
#define XGA_YSIZE		(768)
#define SVGA_XSIZE		(800)
#define SVGA_YSIZE		(600)
#define VGA_XSIZE		(640)
#define VGA_YSIZE		(480)
#define QVGA_XSIZE		(320)
#define QVGA_YSIZE		(240)
#define PQVGA_XSIZE		(240)
#define PQVGA_YSIZE		(320)
#define CIF_XSIZE		(352)
#define CIF_YSIZE		(288)
#define QCIF_XSIZE		(176)
#define QCIF_YSIZE		(144)

#define CAMCLK48000000		(0)
#define CAMCLK24000000		(1)
#define CAMCLK16000000		(2)
#define CAMCLK12000000		(3)
#define CAMCLK9600000		(4)
#define CAMCLK8000000		(5)

#define C16_BLUE 	(0x1f<<0)
#define C16_GREEN 	(0x3f<<5)
#define C16_RED 	(0x1f<<11)
#define C16_BLACK 	(0x0)
#define C16_WHITE 	(0xffff)

#define C18_BLUE	(0xfc)
#define C18_GREEN	(0xfc00)
#define C18_RED 	(0xfc0000)
#define C18_BLACK	(0x0)
#define C18_WHITE	(0xfcfcfc)

#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 _NONCACHE_STARTADDRESS	0x31000000
#define CAM_FRAMEBUFFER_C _NONCACHE_STARTADDRESS+0x1000000// Adjusting is needed..
#define CAM_FRAMEBUFFER_P _NONCACHE_STARTADDRESS// Max buffer size of Port : 0x1000000 (2048*2048*4)
	
#define CAM_CODEC_OUTPUT		CAM_CCIR422
#define CAM_PVIEW_OUTPUT		CAM_RGB24B

#define CAM_CODEC_4PP	(0) // 0:all equal, 1:4 pingpong
#define CAM_PVIEW_4PP	(0) // 0:all equal, 1:4 pingpong

#define CAM_SRC_HSIZE				(720)
#define CAM_SRC_VSIZE				(540)

#define fld_v(reg, offset, size)    (((reg) >> (offset)) & ~(0xffffffff << (size)))

#endif