/**
* @brief initialize the parameters of camera, should be done after reset and open camera to initialize
* @author xia_wenting
* @date 2010-12-01
* @return T_BOOL
* @retval AK_TRUE if successed
* @retval AK_FALSE if failed
*/
static T_BOOL cam_ov3640_init(T_VOID)
{
if (!camera_set_param(INIT_TAB))
{
return AK_FALSE;
}
else
{
night_mode = CAMERA_DAY_MODE;
return AK_TRUE;
}
}
/**
* @brief initialize the parameters of camera, should be done after reset and open camera to initialize
* @author xia_wenting
* @date 2011-01-11
* @return T_BOOL
* @retval AK_TRUE if success, else AK_FALSE
*/
static T_BOOL cam_gc0308_init(void)
{
if (!camera_set_param(INIT_TAB))
{
return AK_FALSE;
}
else
{
night_mode = CAMERA_DAY_MODE;
return AK_TRUE;
}
}
/**
* @brief set camera window
* @author xia_wenting
* @date 2011-03-22
* @param[in] srcWidth window width
* @param[in] srcHeight window height
* @return T_S32
* @retval 0 if error mode
* @retval 1 if success
* @retval -1 if failed
*/
static T_S32 cam_gc0308_set_digital_zoom(T_U32 srcWidth, T_U32 srcHeight)
{
T_U16 hrefstart = 0, vrefstart = 0;
T_U8 high_bit = 0, low_bit = 0;
T_CAMERA_MODE Cammode = s_gc0308_CurMode;
T_U8 Camera_window_table[] =
{
0x46, 0,
0x47, 0,
0x48, 0,
0x49, 0,
0x4a, 0,
0x4b, 0,
0x4c, 0,
END_FLAG, END_FLAG
};
akprintf(C1, M_DRVSYS, "set window size %d, %d, %d\r\n", Cammode, srcWidth, srcHeight);
if (((srcWidth == 640) && (srcHeight == 480))
|| ((srcWidth == 352) && (srcHeight == 288))
|| ((srcWidth == 320) && (srcHeight == 240))
|| ((srcWidth == 176) && (srcHeight == 144)))
{
return 1;
}
switch (s_gc0308_CurMode)
{
case CAMERA_MODE_VGA:
hrefstart = (640 - srcWidth) / 2;
vrefstart = (480 - srcHeight) / 2;
break;
case CAMERA_MODE_CIF:
hrefstart = (352 - srcWidth) / 2;
vrefstart = (288 - srcHeight) / 2;
break;
case CAMERA_MODE_QVGA:
hrefstart = (320 - srcWidth) / 2;
vrefstart = (240 - srcHeight) / 2;
break;
case CAMERA_MODE_QCIF:
hrefstart = (176 - srcWidth) / 2;
vrefstart = (144 - srcHeight) / 2;
break;
case CAMERA_MODE_QQVGA:
hrefstart = (160 - srcWidth) / 2;
vrefstart = (120 - srcHeight) / 2;
break;
case CAMERA_MODE_PREV:
hrefstart = (640 - srcWidth) / 2;
vrefstart = (480 - srcHeight) / 2;
break;
case CAMERA_MODE_REC:
hrefstart = (640 - srcWidth) / 2;
vrefstart = (480 - srcHeight) / 2;
break;
default:
akprintf(C1, M_DRVSYS, "unsupported WINDOWING in mode %d!!\n", s_gc0308_CurMode);
return 0;
}
high_bit = hrefstart >> 8; //horizontal frame start high 3-bit
low_bit = hrefstart & 0xff; //horizontal frame start low 8-bit
Camera_window_table[1] = 0x80 | (high_bit & 0x07);
Camera_window_table[5] = low_bit;
Camera_window_table[11] = srcWidth >> 8;
Camera_window_table[13] = srcWidth & 0xff;
high_bit = vrefstart >> 8; //vertical frame start high 2-bit
low_bit = vrefstart & 0xff; //vertical frame start low 8-bit
Camera_window_table[1] = 0x80 | (high_bit & 0x30);
Camera_window_table[3] = low_bit;
Camera_window_table[7] = srcHeight >> 8;
Camera_window_table[9] = srcHeight & 0xff;
if (camera_set_param(Camera_window_table) == AK_TRUE)
{
return 1;
}
else
{
return -1;
}
}
