iic.cpp

wince底层驱动开发代码 ARM作为一种嵌入式系统处理器

#include <windows.h>
#include <Winbase.h>
#include <s2440.h>
#include <nkintr.h>
#include <oalintr.h>
#include <p2.h>

#include "camif.h"

#define U8	unsigned char
#define U16	unsigned short
#define U32	unsigned int

#define CAM_OV7620	(0) // OMNI Vision camera, 640x480 VGA
#define CAM_S5X433	(1) // Samsung S5X433 VGA camera
#define CAM_S5X532	(2) // Samsung S5X532 VGA camera
#define CAM_AU70H	(3) // 1152x864 MegaPixel Camera, max 19.3Mhz
#define CAM_S5X3A1	(4) // Mega pixel

//#define SlaveID	0x42  //OV7620 Slave ID 
#define SlaveID	0x5a  //S5X532 Slave ID 

#define WRDATA      (1)
#define RDDATA      (3)
#define SETRDADDR   (4)
#define CAMIICBUFSIZE 0x20
#define IICBUFSIZE 	0x20

// Change GP8(I2CSDA) as input/output mode.
#define	SET_SDA_INPUT	(s2440IOP->rGPECON &= ~(3<<30))
#define	SET_SDA_OUTPUT	(s2440IOP->rGPECON = (s2440IOP->rGPECON & ~(2<<30)) |(1<<30) )

static U8 _iicData[IICBUFSIZE];
static volatile int _iicDataCount;
static volatile int _iicStatus;
static volatile int _iicMode;
static int _iicPt;

/*
const unsigned char Ov7620_YCbCr8bit_TV[][2] = {
// OMNI Vision	
	{0x12, 0x80},		// Camera Soft reset. Self cleared after reset.
	{0x00, 0x00},
	{0x01, 0x80},		// set blue gain
	{0x02, 0x80},		// set red gain
	{0x03, 0xb0},
	{0x06, 0x60},		// set brightness
	{0x0c, 0x24},		// set blue background
	{0x0d, 0x24},		// set red background
	{0x10, 0xff},		// set exposure time, brightness control
	{0x11, 0x80},		// set frame rate CLK_input = PCLK
	{0x12, 0x74},		// set 8 Bit YUV mode, enable AGC/AWB, mirror image enabled.
	{0x13, 0x21}, 		 // 8bit Data, CCIR601 Format
	{0x15, 0x01},		// Use PCLK falling edge to latch data, 8 Bit UYVY....
	{0x16, 0x03},		//
	{0x17, 0x2f},		//
	{0x18, 0xcf},	       // (207-47)*4 = 640
	{0x19, 0x06},		//
	{0x1a, 0xf5},	       // ((244-5)+1)*2=480
	{0x1b, 0x00},
	{0x20, 0x00},
	{0x21, 0x80},
	{0x22, 0x80},
	{0x23, 0x00},
	{0x26, 0xa2},
	{0x27, 0xea},
	{0x29, 0x00},
	{0x2a, 0x00},
	{0x2b, 0x00},
	{0x2c, 0x88},
	{0x2e, 0x80},
	{0x2f, 0x44},
	{0x60, 0x27},
	{0x61, 0x82},
	{0x62, 0x5f},
	{0x63, 0xd5},
	{0x64, 0x57},
	{0x65, 0x83},
	{0x66, 0x55},
	{0x68, 0xcf},
	{0x69, 0x76},
	{0x6a, 0x22},
	{0x6b, 0x00},
	{0x6c, 0x08},
	{0x6d, 0x48},	
	{0x6e, 0x80},
	{0x6f, 0x0c},
	{0x70, 0x89},
	{0x71, 0x00},
	{0x72, 0x14},
	{0x73, 0x54},	
	{0x75, 0x0e},
	{0x76, 0x00},
	{0x77, 0xff},
	{0x78, 0x80},
	{0x79, 0x80},
	{0x7a, 0x80},
	{0x7b, 0xe6},
	{0x7c, 0x00},	
	{0x13, 0x21},
	{0x14, 0x94},	
	{0x24, 0x10},
	{0x25, 0x8a},
	{0x28, 0x20},	// Progressive mode.
	{0x2d, 0x95},	//
	{0x67, 0x92},	// 
	{0x74, 0x00},	// -CJH

	{0x12, 0x74}		// set 8 Bit YUV mode, enable AGC/AWB, mirror image enabled.
};
*/

const unsigned char S5X532_YCbCr8bit_TV[][2] = 
{
#if 0
	// page 5
	{0xec,0x05},
	{0x08,0x55},
	{0x0a,0x75},
	{0x0c,0x90},
	{0x0e,0x18},
	{0x12,0x09},
	{0x14,0x9d},
	{0x16,0x90},
	{0x1a,0x18},
	{0x1c,0x0c},
	{0x1e,0x09},
	{0x20,0x06},
	{0x22,0x20},
	{0x2a,0x00},
	{0x2d,0x04},
	{0x12,0x24},
	// page 3
	{0xec,0x03},
	{0x0c,0x09},
	{0x6c,0x09},
	{0x2b,0x10}, // momo clock inversion
	// page 2
	{0xec,0x02},
	{0x03,0x09},
	{0x05,0x08},
	{0x06,0x01},
	{0x07,0xf8},
	{0x15,0x25},
	{0x30,0x29},
	{0x36,0x12},
	{0x38,0x04},
	{0x1b,0x77}, // 24MHz : 0x77, 12MHz : 0x22
	{0x1c,0x77}, // 24MHz : 0x77, 12MHz : 0x22
	// page 1
	{0xec,0x01},
	{0x00,0x03}, // 
	{0x0a,0x08}, // 0x0-QQVGA, 0x06-CIF, 0x02-QCIF, 0x08-VGA, 0x04-QVGA, 0x0a-SXGA
	{0x0c,0x00}, // Pattern selectio. 0-CIS, 1-Color bar, 2-Ramp, 3-Blue screen
	//{0x10,0x27}, // 0x21-ITU-R656(CbYCrY), 0x25-ITU-R601(CbYCrY), 0x26-ITU-R601(YCrYCb)
	{0x10,0x21}, // 0x21-ITU-R656(CbYCrY), 0x25-ITU-R601(CbYCrY), 0x26-ITU-R601(YCrYCb)
	{0x50,0x21},		// Hblank
	{0x51,0x00},		// Hblank
	{0x52,0xA1},		// Hblank
	{0x53,0x02},		// Hblank
	{0x54,0x01},		// Vblank
	{0x55,0x00},		// Vblank
	{0x56,0xE1},		// Vblank 		
	{0x57,0x01},		// Vblank
	{0x58,0x21},		// Hsync
	{0x59,0x00},		// Hsync
	{0x5a,0xA1},		// Hsync
	{0x5b,0x02},		// Hsync
	{0x5c,0x03},		// Vref
	{0x5d,0x00},		// Vref
	{0x5e,0x05},		// Vref
	{0x5f,0x00},		// Vref	
	{0x70,0x0E},
	{0x71,0xD6},
	{0x72,0x30},
	{0x73,0xDB},
	{0x74,0x0E},
	{0x75,0xD6},
	{0x76,0x18},
	{0x77,0xF5},
	{0x78,0x0E},
	{0x79,0xD6},
	{0x7a,0x28},
	{0x7b,0xE6},
	{0x50,0x00},
	{0x5c,0x00},

	// page 0
	{0xec,0x00},
	{0x79,0x01},
	{0x58,0x90},
	{0x59,0xA0},
	{0x5a,0x50},
	{0x5b,0x70},
	{0x5c,0xD0},
	{0x5d,0xC0},
	{0x5e,0x28},
	{0x5f,0x08},
	{0x50,0x90},
	{0x51,0xA0},
	{0x52,0x50},
	{0x53,0x70},
	{0x54,0xD0},
	{0x55,0xC0},
	{0x56,0x28},
	{0x57,0x00},
	{0x48,0x90},
	{0x49,0xA0},
	{0x4a,0x50},
	{0x4b,0x70},
	{0x4c,0xD0},
	{0x4d,0xC0},
	{0x4e,0x28},
	{0x4f,0x08},
	{0x72,0x82}, // main clock = 24MHz:0xd2, 16M:0x82, 12M:0x54
	{0x75,0x05} // absolute vertical mirror.  junon
#endif 

#if 1
	{0xec,0x00},
	{0x02,0x00},
	{0x14,0x60},
	{0x15,0x60},
	{0x16,0x60},
	{0x1b,0x20},
	{0x1c,0x20},
	{0x1d,0x20},
	{0x1e,0x20},
	{0x72,0xdc},
	{0x73,0x11},
	{0x76,0x82},
	{0x77,0x90},
	{0x78,0x6c},
	{0x0a,0x02},
	{0x34,0x0d},
	{0x35,0x0a},
	{0x36,0x05},
	{0x37,0x05},
	{0x38,0x06},
	{0x39,0x08},
	{0x3A,0x0d},
	{0x3B,0x0d},
	{0x3C,0x18},
	{0x3D,0xE0},
	{0x3E,0x20},
	{0x66,0x02},
	{0x6c,0x40},
	{0x7c,0x01},
	{0x0D,0x24},
	{0x40,0x1B},
	{0x41,0x4F},
	{0x42,0x24},
	{0x43,0x3E},
	{0x44,0x32},
	{0x45,0x30},
	{0x48,0xa0},
	{0x49,0xd0},
	{0x4A,0x28},
	{0x4B,0x7d},
	{0x4C,0xd0},
	{0x4D,0xe0},
	{0x4E,0x1a},
	{0x4F,0xa0},
	{0x50,0xc0},
	{0x51,0xc0},
	{0x52,0x42},
	{0x53,0x7e},
	{0x54,0xc0},
	{0x55,0xf0},
	{0x56,0x1e},
	{0x57,0xe0},
	{0x58,0xc0},
	{0x59,0xa0},
	{0x5A,0x4a},
	{0x5B,0x7e},
	{0x5C,0xc0},
	{0x5D,0xf0},
	{0x5E,0x2a},
	{0x5F,0x10},
	{0x79,0x00},          
	{0x7a,0x00},
	{0xe0,0x0f},
	{0xe3,0x14}, 
	{0xe5,0x48},
	{0xe7,0x58},

	//=============== page1 ===============//
	{0xec,0x01},
	{0x10,0x05},
	{0x20,0xde},
	{0x0b,0x06},
	{0x30,0x00},
	{0x31,0x00},
	{0x32,0x00},
	{0x24,0x28},
	{0x25,0x3F},
	{0x26,0x65},
	{0x27,0xA1},
	{0x28,0xFF},
	{0x29,0x96},
	{0x2A,0x85},
	{0x2B,0xFF},
	{0x2C,0x00},