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eez-flow-template-stm32f746.../Drivers/BSP/Components/ov5640/ov5640.c

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/**
******************************************************************************
* @file ov5640.c
* @author MCD Application Team
* @brief This file provides the OV5640 camera driver
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "ov5640.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup Components
* @{
*/
/** @addtogroup OV5640
* @brief This file provides a set of functions needed to drive the
* OV5640 Camera module.
* @{
*/
/** @defgroup OV5640_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup OV5640_Private_Defines
* @{
*/
/**
* @}
*/
/** @defgroup OV5640_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup OV5640_Private_FunctionPrototypes
* @{
*/
static uint32_t ov5640_ConvertValue(uint32_t feature, uint32_t value);
/**
* @}
*/
/** @defgroup OV5640_Private_Variables
* @{
*/
CAMERA_DrvTypeDef ov5640_drv =
{
ov5640_Init,
ov5640_ReadID,
ov5640_Config,
};
const uint16_t OV5640_Init[][2] =
{
{0x3103, 0x11},
{0x3008, 0x82},
{0x3103, 0x03},
{0x3017, 0xFF},
{0x3018, 0xf3},
{0x3034, 0x18},
{0x3008, 0x02},
{0x3035, 0x41},
{0x3036, 0x60},
{0x3037, 0x13},
{0x3108, 0x01},
{0x3630, 0x36},
{0x3631, 0x0e},
{0x3632, 0xe2},
{0x3633, 0x12},
{0x3621, 0xe0},
{0x3704, 0xa0},
{0x3703, 0x5a},
{0x3715, 0x78},
{0x3717, 0x01},
{0x370b, 0x60},
{0x3705, 0x1a},
{0x3905, 0x02},
{0x3906, 0x10},
{0x3901, 0x0a},
{0x3731, 0x12},
{0x3600, 0x08},
{0x3601, 0x33},
{0x302d, 0x60},
{0x3620, 0x52},
{0x371b, 0x20},
{0x471c, 0x50},
{0x3a13, 0x43},
{0x3a18, 0x00},
{0x3a19, 0xf8},
{0x3635, 0x13},
{0x3636, 0x03},
{0x3634, 0x40},
{0x3622, 0x01},
{0x3c01, 0x34},
{0x3c04, 0x28},
{0x3c05, 0x98},
{0x3c06, 0x00},
{0x3c07, 0x00},
{0x3c08, 0x01},
{0x3c09, 0x2c},
{0x3c0a, 0x9c},
{0x3c0b, 0x40},
{0x3820, 0x00},
{0x3821, 0x06},
{0x3814, 0x31},
{0x3815, 0x31},
{0x3800, 0x00},
{0x3801, 0x00},
{0x3802, 0x00},
{0x3803, 0x04},
{0x3804, 0x0a},
{0x3805, 0x3f},
{0x3806, 0x07},
{0x3807, 0x9b},
{0x3808, 0x03},
{0x3809, 0x20},
{0x380a, 0x02},
{0x380b, 0x58},
{0x380c, 0x07},
{0x380d, 0x68},
{0x380e, 0x03},
{0x380f, 0xd8},
{0x3810, 0x00},
{0x3811, 0x10},
{0x3812, 0x00},
{0x3813, 0x06},
{0x3618, 0x00},
{0x3612, 0x29},
{0x3708, 0x64},
{0x3709, 0x52},
{0x370c, 0x03},
{0x3a02, 0x03},
{0x3a03, 0xd8},
{0x3a08, 0x01},
{0x3a09, 0x27},
{0x3a0a, 0x00},
{0x3a0b, 0xf6},
{0x3a0e, 0x03},
{0x3a0d, 0x04},
{0x3a14, 0x03},
{0x3a15, 0xd8},
{0x4001, 0x02},
{0x4004, 0x02},
{0x3000, 0x00},
{0x3002, 0x1c},
{0x3004, 0xff},
{0x3006, 0xc3},
{0x300e, 0x58},
{0x302e, 0x00},
{0x4740, 0x20},
{0x4300, 0x30},
{0x501f, 0x00},
{0x4713, 0x03},
{0x4407, 0x04},
{0x440e, 0x00},
{0x460b, 0x35},
{0x460c, 0x23},
{0x4837, 0x22},
{0x3824, 0x02},
{0x5000, 0xa7},
{0x5001, 0xa3},
{0x5180, 0xff},
{0x5181, 0xf2},
{0x5182, 0x00},
{0x5183, 0x14},
{0x5184, 0x25},
{0x5185, 0x24},
{0x5186, 0x09},
{0x5187, 0x09},
{0x5188, 0x09},
{0x5189, 0x75},
{0x518a, 0x54},
{0x518b, 0xe0},
{0x518c, 0xb2},
{0x518d, 0x42},
{0x518e, 0x3d},
{0x518f, 0x56},
{0x5190, 0x46},
{0x5191, 0xf8},
{0x5192, 0x04},
{0x5193, 0x70},
{0x5194, 0xf0},
{0x5195, 0xf0},
{0x5196, 0x03},
{0x5197, 0x01},
{0x5198, 0x04},
{0x5199, 0x12},
{0x519a, 0x04},
{0x519b, 0x00},
{0x519c, 0x06},
{0x519d, 0x82},
{0x519e, 0x38},
{0x5381, 0x1e},
{0x5382, 0x5b},
{0x5383, 0x08},
{0x5384, 0x0a},
{0x5385, 0x7e},
{0x5386, 0x88},
{0x5387, 0x7c},
{0x5388, 0x6c},
{0x5389, 0x10},
{0x538a, 0x01},
{0x538b, 0x98},
{0x5300, 0x08},
{0x5301, 0x30},
{0x5302, 0x10},
{0x5303, 0x00},
{0x5304, 0x08},
{0x5305, 0x30},
{0x5306, 0x08},
{0x5307, 0x16},
{0x5309, 0x08},
{0x530a, 0x30},
{0x530b, 0x04},
{0x530c, 0x06},
{0x5480, 0x01},
{0x5481, 0x08},
{0x5482, 0x14},
{0x5483, 0x28},
{0x5484, 0x51},
{0x5485, 0x65},
{0x5486, 0x71},
{0x5487, 0x7d},
{0x5488, 0x87},
{0x5489, 0x91},
{0x548a, 0x9a},
{0x548b, 0xaa},
{0x548c, 0xb8},
{0x548d, 0xcd},
{0x548e, 0xdd},
{0x548f, 0xea},
{0x5490, 0x1d},
{0x5580, 0x02},
{0x5583, 0x40},
{0x5584, 0x10},
{0x5589, 0x10},
{0x558a, 0x00},
{0x558b, 0xf8},
{0x5800, 0x23},
{0x5801, 0x14},
{0x5802, 0x0f},
{0x5803, 0x0f},
{0x5804, 0x12},
{0x5805, 0x26},
{0x5806, 0x0c},
{0x5807, 0x08},
{0x5808, 0x05},
{0x5809, 0x05},
{0x580a, 0x08},
{0x580b, 0x0d},
{0x580c, 0x08},
{0x580d, 0x03},
{0x580e, 0x00},
{0x580f, 0x00},
{0x5810, 0x03},
{0x5811, 0x09},
{0x5812, 0x07},
{0x5813, 0x03},
{0x5814, 0x00},
{0x5815, 0x01},
{0x5816, 0x03},
{0x5817, 0x08},
{0x5818, 0x0d},
{0x5819, 0x08},
{0x581a, 0x05},
{0x581b, 0x06},
{0x581c, 0x08},
{0x581d, 0x0e},
{0x581e, 0x29},
{0x581f, 0x17},
{0x5820, 0x11},
{0x5821, 0x11},
{0x5822, 0x15},
{0x5823, 0x28},
{0x5824, 0x46},
{0x5825, 0x26},
{0x5826, 0x08},
{0x5827, 0x26},
{0x5828, 0x64},
{0x5829, 0x26},
{0x582a, 0x24},
{0x582b, 0x22},
{0x582c, 0x24},
{0x582d, 0x24},
{0x582e, 0x06},
{0x582f, 0x22},
{0x5830, 0x40},
{0x5831, 0x42},
{0x5832, 0x24},
{0x5833, 0x26},
{0x5834, 0x24},
{0x5835, 0x22},
{0x5836, 0x22},
{0x5837, 0x26},
{0x5838, 0x44},
{0x5839, 0x24},
{0x583a, 0x26},
{0x583b, 0x28},
{0x583c, 0x42},
{0x583d, 0xce},
{0x5025, 0x00},
{0x3a0f, 0x30},
{0x3a10, 0x28},
{0x3a1b, 0x30},
{0x3a1e, 0x26},
{0x3a11, 0x60},
{0x3a1f, 0x14},
{0x3008, 0x02},
};
/* Initialization sequence for WVGA resolution (800x480)*/
const uint16_t OV5640_WVGA[][2]=
{
{0x3808, 0x03},
{0x3809, 0x20},
{0x380a, 0x01},
{0x380b, 0xE0},
{0x4300, 0x6F},
{0x4740, 0x22},
{0x501F, 0x01},
};
/* Initialization sequence for VGA resolution (640x480)*/
const uint16_t OV5640_VGA[][2]=
{
{0x3808, 0x02},
{0x3809, 0x80},
{0x380a, 0x01},
{0x380b, 0xE0},
{0x4300, 0x6F},
{0x4740, 0x22},
{0x501F, 0x01},
};
/* Initialization sequence for 480x272 resolution */
const uint16_t OV5640_480x272[][2]=
{
{0x3808, 0x01},
{0x3809, 0xE0},
{0x380a, 0x01},
{0x380b, 0x10},
{0x4300, 0x6F},
{0x4740, 0x22},
{0x501f, 0x01},
};
const uint16_t OV5640_QVGA[][2] =
{
{0x3808, 0x01},
{0x3809, 0x40},
{0x380a, 0x00},
{0x380b, 0xF0},
{0x4300, 0x6F},
{0x4740, 0x22},
{0x501f, 0x01},
};
/* Initialization sequence for QQVGA resolution (160x120) */
const uint16_t OV5640_QQVGA[][2]=
{
{0x3808, 0x00},
{0x3809, 0xA0},
{0x380a, 0x00},
{0x380b, 0x78},
{0x4300, 0x6F},
{0x4740, 0x22},
{0x501f, 0x01},
};
/* OV5640 Light Mode setting */
const uint16_t OV5640_LightModeAuto[][2]=
{
{0x3406, 0x00},
{0x3400, 0x04},
{0x3401, 0x00},
{0x3402, 0x04},
{0x3403, 0x00},
{0x3404, 0x04},
{0x3405, 0x00},
};
const uint16_t OV5640_LightModeCloudy[][2]=
{
{0x3406, 0x01},
{0x3400, 0x06},
{0x3401, 0x48},
{0x3402, 0x04},
{0x3403, 0x00},
{0x3404, 0x04},
{0x3405, 0xd3},
};
const uint16_t OV5640_LightModeOffice[][2]=
{
{0x3406, 0x01},
{0x3400, 0x05},
{0x3401, 0x48},
{0x3402, 0x04},
{0x3403, 0x00},
{0x3404, 0x07},
{0x3405, 0xcf},
};
const uint16_t OV5640_LightModeHome[][2]=
{
{0x3406, 0x01},
{0x3400, 0x04},
{0x3401, 0x10},
{0x3402, 0x04},
{0x3403, 0x00},
{0x3404, 0x08},
{0x3405, 0xB6},
};
const uint16_t OV5640_LightModeSunny[][2]=
{
{0x3406, 0x01},
{0x3400, 0x06},
{0x3401, 0x1c},
{0x3402, 0x04},
{0x3403, 0x00},
{0x3404, 0x04},
{0x3405, 0xf3},
};
/**
* @}
*/
/**
* @brief Initializes the OV5640 CAMERA component.
* @param DeviceAddr: Device address on communication Bus.
* @param resolution: Camera resolution
* @retval None
*/
void ov5640_Init(uint16_t DeviceAddr, uint32_t resolution)
{
uint32_t index = 0;
for(index=0; index< (sizeof(OV5640_Init)/4) ; index++)
{
CAMERA_IO_Write(DeviceAddr, OV5640_Init[index][0], OV5640_Init[index][1]);
}
/* Initialize OV5640 */
switch (resolution)
{
case CAMERA_R160x120:
{
for(index=0; index<(sizeof(OV5640_QQVGA)/4); index++)
{
CAMERA_IO_Write(DeviceAddr, OV5640_QQVGA[index][0], OV5640_QQVGA[index][1]);
}
break;
}
case CAMERA_R320x240:
{
for(index=0; index< (sizeof(OV5640_QVGA)/4); index++)
{
CAMERA_IO_Write(DeviceAddr, OV5640_QVGA[index][0], OV5640_QVGA[index][1]);
}
break;
}
case CAMERA_R480x272:
{
for(index=0; index<(sizeof(OV5640_480x272)/4); index++)
{
CAMERA_IO_Write(DeviceAddr, OV5640_480x272[index][0], OV5640_480x272[index][1]);
}
break;
}
case CAMERA_R640x480:
{
for(index=0; index<(sizeof(OV5640_VGA)/4); index++)
{
CAMERA_IO_Write(DeviceAddr, OV5640_VGA[index][0], OV5640_VGA[index][1]);
}
break;
}
default:
{
break;
}
}
}
/**
* @brief Set the OV5640 camera Light Mode.
* @param DeviceAddr : Device address on communication Bus.
* @param Effect : Effect to be configured
* @retval None
*/
void OV5640_SetLightMode(uint16_t DeviceAddr, uint8_t LightMode)
{
uint32_t index = 0;
CAMERA_IO_Write(DeviceAddr, 0x3406, 0x00);
CAMERA_IO_Write(DeviceAddr, 0x5190, 0x46);
CAMERA_IO_Write(DeviceAddr, 0x5191, 0xf8);
CAMERA_IO_Write(DeviceAddr, 0x5192, 0x04);
switch(LightMode)
{
case OV5640_LIGHT_AUTO:
for(index=0; index< (sizeof(OV5640_LightModeAuto)/4) ; index++)
{
CAMERA_IO_Write(DeviceAddr, OV5640_LightModeAuto[index][0], OV5640_LightModeAuto[index][1]);
}
break;
case OV5640_LIGHT_SUNNY:
for(index=0; index< (sizeof(OV5640_LightModeSunny)/4) ; index++)
{
CAMERA_IO_Write(DeviceAddr, OV5640_LightModeSunny[index][0], OV5640_LightModeSunny[index][1]);
}
break;
case OV5640_LIGHT_OFFICE:
for(index=0; index< (sizeof(OV5640_LightModeOffice)/4) ; index++)
{
CAMERA_IO_Write(DeviceAddr, OV5640_LightModeOffice[index][0], OV5640_LightModeOffice[index][1]);
}
break;
case OV5640_LIGHT_CLOUDY:
for(index=0; index< (sizeof(OV5640_LightModeCloudy)/4) ; index++)
{
CAMERA_IO_Write(DeviceAddr, OV5640_LightModeCloudy[index][0], OV5640_LightModeCloudy[index][1]);
}
break;
case OV5640_LIGHT_HOME:
for(index=0; index< (sizeof(OV5640_LightModeHome)/4) ; index++)
{
CAMERA_IO_Write(DeviceAddr, OV5640_LightModeHome[index][0], OV5640_LightModeHome[index][1]);
}
break;
default :
/* Auto light mode used */
for(index=0; index< (sizeof(OV5640_LightModeAuto)/4) ; index++)
{
CAMERA_IO_Write(DeviceAddr, OV5640_LightModeAuto[index][0], OV5640_LightModeAuto[index][1]);
}
break;
}
}
/**
* @brief Set the OV5640 camera Special Effect.
* @param DeviceAddr: Device address on communication Bus.
* @param Effect: Effect to be configured
* @retval None
*/
void OV5640_SetEffect(uint16_t DeviceAddr, uint32_t Effect)
{
switch(Effect)
{
case OV5640_COLOR_EFFECT_NONE:
CAMERA_IO_Write(DeviceAddr, 0x5001, 0x7F);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x00);
break;
case OV5640_COLOR_EFFECT_BLUE:
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x18);
CAMERA_IO_Write(DeviceAddr, 0x5583, 0xA0);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x40);
break;
case OV5640_COLOR_EFFECT_RED:
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x18);
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x80);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0xC0);
break;
case OV5640_COLOR_EFFECT_GREEN:
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x18);
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x60);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x60);
break;
case OV5640_COLOR_EFFECT_BW:
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x18);
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x80);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x80);
break;
case OV5640_COLOR_EFFECT_SEPIA:
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x18);
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0xA0);
break;
case OV5640_COLOR_EFFECT_NEGATIVE:
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x40);
break;
case OV5640_COLOR_EFFECT_BW_NEGATIVE:
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x58);
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x40);
break;
case OV5640_COLOR_EFFECT_OVEREXPOSURE:
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x18);
CAMERA_IO_Write(DeviceAddr, 0x5583, 0xF0);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0xF0);
break;
case OV5640_COLOR_EFFECT_SOLARIZE:
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x06);
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x10);
CAMERA_IO_Write(DeviceAddr, 0x5003, 0x09);
break;
default :
/* No effect */
CAMERA_IO_Write(DeviceAddr, 0x5001, 0x7F);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x00);
break;
}
}
/**
* @brief Set the OV5640 camera Brightness Level.
* @note The brightness of OV5640 could be adjusted. Higher brightness will
* make the picture more bright. The side effect of higher brightness
* is the picture looks foggy.
* @param DeviceAddr: Device address on communication Bus.
* @param Level: Value to be configured
* @retval None
*/
void OV5640_SetBrightness(uint16_t DeviceAddr, uint8_t Level)
{
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
switch(Level)
{
case OV5640_BRIGHTNESS_LEVEL4P:
CAMERA_IO_Write(DeviceAddr, 0x5587, 0x40);
break;
case OV5640_BRIGHTNESS_LEVEL3P:
CAMERA_IO_Write(DeviceAddr, 0x5587, 0x30);
break;
case OV5640_BRIGHTNESS_LEVEL2P:
CAMERA_IO_Write(DeviceAddr, 0x5587, 0x20);
break;
case OV5640_BRIGHTNESS_LEVEL1P:
CAMERA_IO_Write(DeviceAddr, 0x5587, 0x10);
break;
case OV5640_BRIGHTNESS_LEVEL0:
CAMERA_IO_Write(DeviceAddr, 0x5587, 0x00);
break;
case OV5640_BRIGHTNESS_LEVEL1N:
CAMERA_IO_Write(DeviceAddr, 0x5587, 0x10);
break;
case OV5640_BRIGHTNESS_LEVEL2N:
CAMERA_IO_Write(DeviceAddr, 0x5587, 0x20);
break;
case OV5640_BRIGHTNESS_LEVEL3N:
CAMERA_IO_Write(DeviceAddr, 0x5587, 0x30);
break;
case OV5640_BRIGHTNESS_LEVEL4N:
CAMERA_IO_Write(DeviceAddr, 0x5587, 0x40);
break;
default:
/* Level 0 as default */
Level = OV5640_BRIGHTNESS_LEVEL0;
CAMERA_IO_Write(DeviceAddr, 0x5587, 0x00);
break;
}
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x04);
if(Level < OV5640_SATURATION_LEVEL1N)
{
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x01);
}
else
{
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x09);
}
}
/**
* @brief Set the OV5640 camera Saturation Level.
* @note The color saturation of OV5640 could be adjusted. High color saturation
* would make the picture looks more vivid, but the side effect is the
* bigger noise and not accurate skin color.
* @param DeviceAddr: Device address on communication Bus.
* @param Level: Value to be configured
* @retval None
*/
void OV5640_SetSaturation(uint16_t DeviceAddr, uint8_t Level)
{
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
switch(Level)
{
case OV5640_SATURATION_LEVEL4P:
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x40);
break;
case OV5640_SATURATION_LEVEL3P:
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x50);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x50);
break;
case OV5640_SATURATION_LEVEL2P:
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x60);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x60);
break;
case OV5640_SATURATION_LEVEL1P:
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x70);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x70);
break;
case OV5640_SATURATION_LEVEL0:
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x80);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x80);
break;
case OV5640_SATURATION_LEVEL1N:
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x30);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x30);
break;
case OV5640_SATURATION_LEVEL2N:
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x20);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x20);
break;
case OV5640_SATURATION_LEVEL3N:
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x10);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x10);
break;
case OV5640_SATURATION_LEVEL4N:
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x00);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x00);
break;
default:
/* Level 0 as default */
CAMERA_IO_Write(DeviceAddr, 0x5583, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5584, 0x40);
break;
}
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x02);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x41);
}
/**
* @brief Set the OV5640 camera Contrast Level.
* @note The contrast of OV5640 could be adjusted. Higher contrast will make
* the picture sharp. But the side effect is loosing dynamic range.
* @param DeviceAddr: Device address on communication Bus.
* @param Level: Value to be configured
* @retval None
*/
void OV5640_SetContrast(uint16_t DeviceAddr, uint8_t Level)
{
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x04);
switch(Level)
{
case OV5640_CONTRAST_LEVEL4P:
CAMERA_IO_Write(DeviceAddr, 0x5586, 0x30);
CAMERA_IO_Write(DeviceAddr, 0x5585, 0x30);
break;
case OV5640_CONTRAST_LEVEL3P:
CAMERA_IO_Write(DeviceAddr, 0x5586, 0x2C);
CAMERA_IO_Write(DeviceAddr, 0x5585, 0x2C);
break;
case OV5640_CONTRAST_LEVEL2P:
CAMERA_IO_Write(DeviceAddr, 0x5586, 0x28);
CAMERA_IO_Write(DeviceAddr, 0x5585, 0x28);
break;
case OV5640_CONTRAST_LEVEL1P:
CAMERA_IO_Write(DeviceAddr, 0x5586, 0x24);
CAMERA_IO_Write(DeviceAddr, 0x5585, 0x24);
break;
case OV5640_CONTRAST_LEVEL0:
CAMERA_IO_Write(DeviceAddr, 0x5586, 0x20);
CAMERA_IO_Write(DeviceAddr, 0x5585, 0x20);
break;
case OV5640_CONTRAST_LEVEL1N:
CAMERA_IO_Write(DeviceAddr, 0x5586, 0x1C);
CAMERA_IO_Write(DeviceAddr, 0x5585, 0x1C);
break;
case OV5640_CONTRAST_LEVEL2N:
CAMERA_IO_Write(DeviceAddr, 0x5586, 0x18);
CAMERA_IO_Write(DeviceAddr, 0x5585, 0x18);
break;
case OV5640_CONTRAST_LEVEL3N:
CAMERA_IO_Write(DeviceAddr, 0x5586, 0x14);
CAMERA_IO_Write(DeviceAddr, 0x5585, 0x14);
break;
case OV5640_CONTRAST_LEVEL4N:
CAMERA_IO_Write(DeviceAddr, 0x5586, 0x10);
CAMERA_IO_Write(DeviceAddr, 0x5585, 0x10);
break;
default:
/* Level 0 as default */
CAMERA_IO_Write(DeviceAddr, 0x5586, 0x20);
CAMERA_IO_Write(DeviceAddr, 0x5585, 0x20);
break;
}
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x41);
}
/**
* @brief Set the OV5640 camera Hue degree.
* @param DeviceAddr: Device address on communication Bus.
* @param Level: Value to be configured
* @retval None
*/
void OV5640_SetHueDegree(uint16_t DeviceAddr, uint16_t Degree)
{
CAMERA_IO_Write(DeviceAddr, 0x5001, 0xFF);
CAMERA_IO_Write(DeviceAddr, 0x5580, 0x01);
switch(Degree)
{
case OV5640_HUE_150P:
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x6F);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x31);
break;
case OV5640_HUE_120P:
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x6F);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x31);
break;
case OV5640_HUE_90P:
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x00);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x80);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x31);
break;
case OV5640_HUE_60P:
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x6F);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x01);
break;
case OV5640_HUE_30P:
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x6F);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x01);
break;
case OV5640_HUE_0:
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x80);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x00);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x01);
break;
case OV5640_HUE_30N:
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x6F);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x02);
break;
case OV5640_HUE_60N:
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x6F);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x02);
break;
case OV5640_HUE_90N:
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x00);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x80);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x02);
break;
case OV5640_HUE_120N:
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x6F);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x32);
break;
case OV5640_HUE_150N:
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x6F);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x40);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x32);
break;
case OV5640_HUE_180N:
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x80);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x00);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x32);
break;
default:
/* Hue degree 0 as default */
CAMERA_IO_Write(DeviceAddr, 0x5581, 0x80);
CAMERA_IO_Write(DeviceAddr, 0x5582, 0x00);
CAMERA_IO_Write(DeviceAddr, 0x5588, 0x01);
break;
}
}
/**
* @brief Control OV5640 camera mirror/vflip.
* @param DeviceAddr: Device address on communication Bus.
* @param Config: To configure mirror, flip, both or nothing
* @retval None
*/
void OV5640_MirrorFlipConfig(uint16_t DeviceAddr, uint8_t Config)
{
uint8_t tmp3820 = 0, tmp3821;
tmp3820 = CAMERA_IO_Read(DeviceAddr, 0x3820);
tmp3820 &= 0xF9;
tmp3821 = CAMERA_IO_Read(DeviceAddr, 0x3821);
tmp3821 &= 0xF9;
switch (Config)
{
case OV5640_MIRROR:
CAMERA_IO_Write(DeviceAddr, 0x3820, tmp3820 | 0x00);
CAMERA_IO_Write(DeviceAddr, 0x3821, tmp3821 | 0x06);
break;
case OV5640_FLIP:
CAMERA_IO_Write(DeviceAddr, 0x3820, tmp3820 | 0x06);
CAMERA_IO_Write(DeviceAddr, 0x3821, tmp3821 | 0x00);
break;
case OV5640_MIRROR_FLIP:
CAMERA_IO_Write(DeviceAddr, 0x3820, tmp3820 | 0x06);
CAMERA_IO_Write(DeviceAddr, 0x3821, tmp3821 | 0x06);
break;
case OV5640_MIRROR_FLIP_NORMAL:
CAMERA_IO_Write(DeviceAddr, 0x3820, tmp3820 | 0x00);
CAMERA_IO_Write(DeviceAddr, 0x3821, tmp3821 | 0x06);
break;
default:
CAMERA_IO_Write(DeviceAddr, 0x3820, tmp3820 | 0x00);
CAMERA_IO_Write(DeviceAddr, 0x3821, tmp3821 | 0x00);
break;
}
}
/**
* @brief Control OV5640 camera mirror/vflip.
* @param DeviceAddr: Device address on communication Bus.
* @param Zoom: Zoom to be configured
* @retval None
*/
void OV5640_ZoomConfig(uint16_t DeviceAddr, uint8_t Zoom)
{
int32_t res = 0;
/* Get camera resolution */
res = OV5640_GetResolution(DeviceAddr);
if(Zoom == OV5640_ZOOM_x1)
{
CAMERA_IO_Write(DeviceAddr, 0x5600, 0x10);
}
else
{
switch (res)
{
case CAMERA_R320x240:
case CAMERA_R480x272:
Zoom = Zoom >> 1;
break;
case CAMERA_R640x480:
Zoom = Zoom >> 2;
break;
default:
break;
}
CAMERA_IO_Write(DeviceAddr, 0x5600, 0x00);
CAMERA_IO_Write(DeviceAddr, 0x5601, Zoom);
}
}
/**
* @brief Get OV5640 camera resolution.
* @param DeviceAddr: Device address on communication Bus.
* @retval Camera resolution else 0xFF
*/
int32_t OV5640_GetResolution(uint16_t DeviceAddr)
{
uint16_t x_size = 0, y_size = 0;
int32_t res = CAMERA_R640x480;
x_size = CAMERA_IO_Read(DeviceAddr, 0x3808) << 8;
x_size |= CAMERA_IO_Read(DeviceAddr, 0x3809);
y_size = CAMERA_IO_Read(DeviceAddr, 0x380A) << 8;
y_size |= CAMERA_IO_Read(DeviceAddr, 0x380B);
if((x_size == 640) && (y_size == 480))
{
res = CAMERA_R640x480;
}
else if((x_size == 480) && (y_size == 272))
{
res = CAMERA_R480x272;
}
else if((x_size == 320) && (y_size == 240))
{
res = CAMERA_R320x240;
}
else if((x_size == 160) && (y_size == 120))
{
res = CAMERA_R160x120;
}
else
{
res = 0xFF;
}
return res;
}
/**
* @brief Configures the OV5640 camera feature.
* @param DeviceAddr: Device address on communication Bus.
* @param feature: Camera feature to be configured
* @param value: Value to be configured
* @param brightness_value: Brightness value to be configured
* @retval None
*/
void ov5640_Config(uint16_t DeviceAddr, uint32_t feature, uint32_t value, uint32_t brightness_value)
{
uint32_t value_tmp;
uint32_t br_value;
/* Convert the input value into ov5640 parameters */
value_tmp = ov5640_ConvertValue(feature, value);
br_value = ov5640_ConvertValue(CAMERA_CONTRAST_BRIGHTNESS, brightness_value);
switch(feature)
{
case CAMERA_CONTRAST_BRIGHTNESS:
{
OV5640_SetContrast(DeviceAddr, value_tmp);
OV5640_SetBrightness(DeviceAddr, br_value);
break;
}
case CAMERA_BLACK_WHITE:
case CAMERA_COLOR_EFFECT:
{
OV5640_SetEffect(DeviceAddr, value_tmp);
break;
}
default:
{
break;
}
}
}
/**
* @brief Read the OV5640 Camera identity.
* @param DeviceAddr: Device address on communication Bus.
* @retval the OV5640 ID
*/
uint16_t ov5640_ReadID(uint16_t DeviceAddr)
{
uint16_t read_val = 0;
/* Initialize I2C */
CAMERA_IO_Init();
/* Prepare the camera to be configured */
CAMERA_IO_Write(DeviceAddr, 0x3008, 0x80);
CAMERA_Delay(500);
read_val = CAMERA_IO_Read(DeviceAddr, 0x300A);
read_val = read_val << 8;
read_val |= CAMERA_IO_Read(DeviceAddr, 0x300B);
/* Get the camera ID */
return read_val;
}
/******************************************************************************
Static Functions
*******************************************************************************/
/**
* @brief Convert input values into ov5640 parameters.
* @param feature: Camera feature to be configured
* @param value: Value to be configured
* @retval The converted value
*/
static uint32_t ov5640_ConvertValue(uint32_t feature, uint32_t value)
{
uint32_t ret = 0;
switch(feature)
{
case CAMERA_BLACK_WHITE:
{
switch(value)
{
case CAMERA_BLACK_WHITE_BW:
{
ret = OV5640_COLOR_EFFECT_BW;
break;
}
case CAMERA_BLACK_WHITE_NEGATIVE:
{
ret = OV5640_COLOR_EFFECT_NEGATIVE;
break;
}
case CAMERA_BLACK_WHITE_BW_NEGATIVE:
{
ret = OV5640_COLOR_EFFECT_BW_NEGATIVE;
break;
}
case CAMERA_BLACK_WHITE_NORMAL:
default:
{
ret = OV5640_COLOR_EFFECT_NONE;
break;
}
}
break;
}
case CAMERA_CONTRAST_BRIGHTNESS:
{
switch(value)
{
case CAMERA_BRIGHTNESS_LEVEL0:
{
ret = OV5640_BRIGHTNESS_LEVEL4N;
break;
}
case CAMERA_BRIGHTNESS_LEVEL1:
{
ret = OV5640_BRIGHTNESS_LEVEL2N;
break;
}
case CAMERA_BRIGHTNESS_LEVEL2:
{
ret = OV5640_BRIGHTNESS_LEVEL0;
break;
}
case CAMERA_BRIGHTNESS_LEVEL3:
{
ret = OV5640_BRIGHTNESS_LEVEL2P;
break;
}
case CAMERA_BRIGHTNESS_LEVEL4:
{
ret = OV5640_BRIGHTNESS_LEVEL4P;
break;
}
case CAMERA_CONTRAST_LEVEL0:
{
ret = OV5640_CONTRAST_LEVEL4N;
break;
}
case CAMERA_CONTRAST_LEVEL1:
{
ret = OV5640_CONTRAST_LEVEL2N;
break;
}
case CAMERA_CONTRAST_LEVEL2:
{
ret = OV5640_CONTRAST_LEVEL0;
break;
}
case CAMERA_CONTRAST_LEVEL3:
{
ret = OV5640_CONTRAST_LEVEL2P;
break;
}
case CAMERA_CONTRAST_LEVEL4:
{
ret = OV5640_CONTRAST_LEVEL4P;
break;
}
default:
{
ret = OV5640_CONTRAST_LEVEL0;
break;
}
}
break;
}
case CAMERA_COLOR_EFFECT:
{
switch(value)
{
case CAMERA_COLOR_EFFECT_ANTIQUE:
{
ret = OV5640_COLOR_EFFECT_SEPIA;
break;
}
case CAMERA_COLOR_EFFECT_BLUE:
{
ret = OV5640_COLOR_EFFECT_BLUE;
break;
}
case CAMERA_COLOR_EFFECT_GREEN:
{
ret = OV5640_COLOR_EFFECT_GREEN;
break;
}
case CAMERA_COLOR_EFFECT_RED:
{
ret = OV5640_COLOR_EFFECT_RED;
break;
}
case CAMERA_COLOR_EFFECT_NONE:
default:
{
ret = OV5640_COLOR_EFFECT_NONE;
break;
}
}
break;
default:
{
ret = 0;
break;
}
}
}
return ret;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/