array.c

#include <stdio.h>
#include <stdlib.h>

#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))

struct ov7725_reg {
	unsigned char addr;
	unsigned char val;
};

/*
 * Manual White Balance (presets)
 */
static const struct ov7725_reg ov7725_wb_tungsten[] = {
    // Home
    {0x13, 0xfd},
    {0x01, 0x96},
    {0x02, 0x40},
    {0x0e, 0x65},
    {0x2d, 0x00},
    {0x2e, 0x00},

    {0x0c, 0x51}, //Horizontal mirror image ON/OFF selection And Sensor Color Bar Test Enable
};

static const struct ov7725_reg ov7725_wb_fluorescent[] = {
    // Office
    {0x13, 0xfd},
    {0x01, 0x84},
    {0x02, 0x4c},
    {0x0e, 0x65},
    {0x2d, 0x00},
};

static const struct ov7725_reg ov7725_wb_sunny[] = {
    // Sunny
    {0x13, 0xfd},
    {0x01, 0x5a},
    {0x02, 0x5c},
    {0x0e, 0x65},
    {0x2d, 0x00}, 
    {0x2e, 0x00}, 

    {0x0c, 0x51}, //Horizontal mirror image ON/OFF selection And Sensor Color Bar Test Enable
};

static const struct ov7725_reg ov7725_wb_cloudy[] = {
    // cloudy
    {0x13, 0xfd},
    {0x01, 0x58},
    {0x02, 0x60},
    {0x0e, 0x65},
    {0x2d, 0x00}, 
    {0x2e, 0x00},
};

#if 0
/* Order of this array should be following the querymenu data */
static const unsigned char *ov7725_regs_wb_preset[] = {
	(unsigned char *)ov7725_wb_tungsten,
	(unsigned char *)ov7725_wb_fluorescent,
	(unsigned char *)ov7725_wb_sunny,
	(unsigned char *)ov7725_wb_cloudy,
};
#endif

typedef struct {
	unsigned char * sptr;
	unsigned int slen;
} structandlen;

/* Order of this array should be following the querymenu data */
static const structandlen ov7725_regs_wb_preset[] = 
{
	{(unsigned char *)ov7725_wb_tungsten , ARRAY_SIZE(ov7725_wb_tungsten)} , 
	{(unsigned char *)ov7725_wb_fluorescent, ARRAY_SIZE(ov7725_wb_fluorescent)} ,
	{(unsigned char *)ov7725_wb_sunny, ARRAY_SIZE(ov7725_wb_sunny)} ,
	{(unsigned char *)ov7725_wb_cloudy, ARRAY_SIZE(ov7725_wb_cloudy)},
};


int main(void) 
{
    printf("ov7725_regs_wb_preset sizeof: %d\n", sizeof(ov7725_regs_wb_preset));
    printf("ov7725_regs_wb_preset array_size: %d\n", ARRAY_SIZE(ov7725_regs_wb_preset));

    int i =0, j=0;

    for(i=0; i<ARRAY_SIZE(ov7725_regs_wb_preset); i++) {
        unsigned char * mode = (unsigned char *)(&(ov7725_regs_wb_preset[i]));
        printf("ov7725_regs_wb_preset[%d] sizeof: %d,\t", i, sizeof(mode));
        printf("ov7725_regs_wb_preset[%d] array_size: %d\n", i, ARRAY_SIZE(mode));
    }


    int ic = ARRAY_SIZE(ov7725_regs_wb_preset);
	int jc = 0;
	struct ov7725_reg * ptr;
	for(i=0; i<ic; i++)
	{
		ptr = (struct ov7725_reg *)(ov7725_regs_wb_preset[i].sptr);
		jc = ov7725_regs_wb_preset[i].slen;
        printf("-----%d------\n", i);
		for(j=0; j<jc; j++)
		{			
			printf("[%d]addr = 0x%02x \t" , j , ptr[j].addr);
			printf("val = 0x%02x \n" , ptr[j].val);
		}
	}
    return 0;
}