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ov9655.c
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ov9655.c
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/**
******************************************************************************
* @file ov9655.c
* @author MCD Application Team
* @brief This file provides the OV9655 camera driver
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2015 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 "ov9655.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup Components
* @{
*/
/** @addtogroup OV9655
* @brief This file provides a set of functions needed to drive the
* OV9655 Camera module.
* @{
*/
/** @defgroup OV9655_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup OV9655_Private_Variables
* @{
*/
OV9655_CAMERA_Drv_t OV9655_CAMERA_Driver =
{
OV9655_Init,
OV9655_DeInit,
OV9655_ReadID,
OV9655_GetCapabilities,
OV9655_SetLightMode,
OV9655_SetColorEffect,
OV9655_SetBrightness,
OV9655_SetSaturation,
OV9655_SetContrast,
OV9655_SetHueDegree,
OV9655_MirrorFlipConfig,
OV9655_ZoomConfig,
OV9655_SetResolution,
OV9655_GetResolution,
OV9655_SetPixelFormat,
OV9655_GetPixelFormat,
OV9655_NightModeConfig
};
/**
* @}
*/
/** @defgroup OV9655_Function_Prototypes
* @{
*/
static int32_t OV9655_ReadRegWrap(void *handle, uint16_t Reg, uint8_t* Data, uint16_t Length);
static int32_t OV9655_WriteRegWrap(void *handle, uint16_t Reg, uint8_t* Data, uint16_t Length);
static int32_t OV9655_Delay(OV9655_Object_t *pObj, uint32_t Delay);
/**
* @}
*/
/** @defgroup OV9655_Private_Functions OV9655 Private Functions
* @{
*/
/**
* @brief Register component IO bus
* @param Component object pointer
* @retval Component status
*/
int32_t OV9655_RegisterBusIO (OV9655_Object_t *pObj, OV9655_IO_t *pIO)
{
int32_t ret;
if (pObj == NULL)
{
ret = OV9655_ERROR;
}
else
{
pObj->IO.Init = pIO->Init;
pObj->IO.DeInit = pIO->DeInit;
pObj->IO.Address = pIO->Address;
pObj->IO.WriteReg = pIO->WriteReg;
pObj->IO.ReadReg = pIO->ReadReg;
pObj->IO.GetTick = pIO->GetTick;
pObj->Ctx.ReadReg = OV9655_ReadRegWrap;
pObj->Ctx.WriteReg = OV9655_WriteRegWrap;
pObj->Ctx.handle = pObj;
if(pObj->IO.Init != NULL)
{
ret = pObj->IO.Init();
}
else
{
ret = OV9655_ERROR;
}
}
return ret;
}
/**
* @brief Initializes the OV9655 CAMERA component.
* @param pObj pointer to component object
* @param Resolution Camera resolution
* @param PixelFormat pixel format to be configured
* @retval Component status
*/
int32_t OV9655_Init(OV9655_Object_t *pObj, uint32_t Resolution, uint32_t PixelFormat)
{
int32_t ret = OV9655_OK;
uint8_t tmp;
if(pObj->IsInitialized == 0U)
{
/* Check if resolution is supported */
if((Resolution > OV9655_R640x480) || ((PixelFormat != OV9655_RGB565) && (PixelFormat != OV9655_YUV422)))
{
ret = OV9655_ERROR;
}
else
{
tmp = 0x80U;
if(ov9655_write_reg(&pObj->Ctx, OV9655_COMMON_CTRL7, &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
else
{
OV9655_Delay(pObj, 200);
/* Set specific parameters for each resolution */
if(OV9655_SetResolution(pObj, Resolution)!= OV9655_OK)
{
ret = OV9655_ERROR;
}/* Set specific parameters for each pixel format */
else if(OV9655_SetPixelFormat(pObj, PixelFormat)!= OV9655_OK)
{
ret = OV9655_ERROR;
}
else
{
pObj->IsInitialized = 1U;
}
}
}
}
return ret;
}
/**
* @brief De-initializes the camera sensor.
* @param pObj pointer to component object
* @retval Component status
*/
int32_t OV9655_DeInit(OV9655_Object_t *pObj)
{
if(pObj->IsInitialized == 1U)
{
pObj->IsInitialized = 0U;
}
return OV9655_OK;
}
/**
* @brief Set OV9655 camera Pixel Format.
* @param pObj pointer to component object
* @param PixelFormat pixel format to be configured
* @retval Component status
*/
int32_t OV9655_SetPixelFormat(OV9655_Object_t *pObj, uint32_t PixelFormat)
{
int32_t ret = OV9655_OK;
uint8_t tmp;
/* Check if PixelFormat is supported */
if((PixelFormat != OV9655_RGB565) && (PixelFormat != OV9655_YUV422))
{
/* Pixel format not supported */
ret = OV9655_ERROR;
}
else if(ov9655_read_reg(&pObj->Ctx, OV9655_COMMON_CTRL7, &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
else
{
/* Set specific parameters for each PixelFormat */
tmp &= ~0x03U; /* Reset Bit[0:1] corresponding to pixel format selection */
switch (PixelFormat)
{
case OV9655_YUV422:
tmp |= 0x02U;
if(ov9655_write_reg(&pObj->Ctx, OV9655_COMMON_CTRL7, &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
else
{
if(ov9655_read_reg(&pObj->Ctx, OV9655_TSLB, &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
else
{
tmp &= ~(1 << 5); /* Clear bit 5: Output bit-wise reverse */
tmp &= ~(3 << 2); /* Clear bits 3:2: YUV output sequence is 0:yuyv */
if(ov9655_write_reg(&pObj->Ctx, OV9655_TSLB, &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
else
{
if(ov9655_read_reg(&pObj->Ctx, OV9655_COMMON_CTRL15, &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
else
{
tmp |= (3 << 6); /* Data format - output full range enable 3: [00] to [FF] */
tmp &= ~(3 << 4); /* Clear bits 5:4: RGB 555/565 option */
}
if(ov9655_write_reg(&pObj->Ctx, OV9655_COMMON_CTRL15, &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
}
}
}
break;
case OV9655_RGB565:
default:
tmp |= 0x03U;
if(ov9655_write_reg(&pObj->Ctx, OV9655_COMMON_CTRL7, &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
else if(ov9655_read_reg(&pObj->Ctx, OV9655_COMMON_CTRL15, &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
else
{
tmp |= 0x10U;
if(ov9655_write_reg(&pObj->Ctx, OV9655_COMMON_CTRL15, &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
}
break;
}
}
return ret;
}
/**
* @brief Set OV9655 camera Pixel Format.
* @param pObj pointer to component object
* @param PixelFormat pixel format to be configured
* @retval Component status
*/
int32_t OV9655_GetPixelFormat(OV9655_Object_t *pObj, uint32_t *PixelFormat)
{
(void)(pObj);
(void)(PixelFormat);
return OV9655_ERROR;
}
/**
* @brief Get OV9655 camera resolution.
* @param pObj pointer to component object
* @param Resolution Camera resolution
* @retval Component status
*/
int32_t OV9655_SetResolution(OV9655_Object_t *pObj, uint32_t Resolution)
{
int32_t ret = OV9655_OK;
uint32_t index;
uint8_t tmp;
/* Initialization sequence for VGA resolution (640x480)*/
static const uint8_t OV9655_VGA[][2]=
{
{0x00, 0x00},
{0x01, 0x80},
{0x02, 0x80},
{0xb5, 0x00},
{0x35, 0x00},
{0xa8, 0xc1},
{0x3a, 0xcc},
{0x3d, 0x99},
{0x77, 0x02},
{0x13, 0xe7},
{0x26, 0x72},
{0x27, 0x08},
{0x28, 0x08},
{0x2c, 0x08},
{0xab, 0x04},
{0x6e, 0x00},
{0x6d, 0x55},
{0x00, 0x11},
{0x10, 0x7b},
{0xbb, 0xae},
{0x11, 0x03},
{0x72, 0x00},
{0x3e, 0x0c},
{0x74, 0x3a},
{0x76, 0x01},
{0x75, 0x35},
{0x73, 0x00},
{0xc7, 0x80},
{0x62, 0x00},
{0x63, 0x00},
{0x64, 0x02},
{0x65, 0x20},
{0x66, 0x01},
{0xc3, 0x4e},
{0x33, 0x00},
{0xa4, 0x50},
{0xaa, 0x92},
{0xc2, 0x01},
{0xc1, 0xc8},
{0x1e, 0x04},
{0xa9, 0xef},
{0x0e, 0x61},
{0x39, 0x57},
{0x0f, 0x48},
{0x24, 0x3c},
{0x25, 0x36},
{0x12, 0x63},
{OV9655_HORIZONTAL_FRAME_CTRL, 0xff},
{OV9655_HORIZONTAL_FRAME_START, 0x16},
{OV9655_HORIZONTAL_FRAME_STOP, 0x02},
{OV9655_VERTIVCAL_FRAME_CTRL, 0x12},
{OV9655_VERTICAL_FRAME_START, 0x01},
{OV9655_VERTICAL_FRAME_STOP, 0x3d},
{0x36, 0xfa},
{0x69, 0x0a},
{0x8c, 0x8d},
{0xc0, 0xaa},
{0x40, 0xd0},
{0x43, 0x14},
{0x44, 0xf0},
{0x45, 0x46},
{0x46, 0x62},
{0x47, 0x2a},
{0x48, 0x3c},
{0x59, 0x85},
{0x5a, 0xa9},
{0x5b, 0x64},
{0x5c, 0x84},
{0x5d, 0x53},
{0x5e, 0x0e},
{0x6c, 0x0c},
{0xc6, 0x85},
{0xcb, 0xf0},
{0xcc, 0xd8},
{0x71, 0x78},
{0xa5, 0x68},
{0x6f, 0x9e},
{0x42, 0xc0},
{0x3f, 0x82},
{0x8a, 0x23},
{0x14, 0x3a},
{0x3b, 0xcc},
{0x34, 0x3d},
{0x41, 0x40},
{0xc9, 0xe0},
{0xca, 0xe8},
{0xcd, 0x93},
{0x7a, 0x20},
{0x7b, 0x1c},
{0x7c, 0x28},
{0x7d, 0x3c},
{0x7e, 0x5a},
{0x7f, 0x68},
{0x80, 0x76},
{0x81, 0x80},
{0x82, 0x88},
{0x83, 0x8f},
{0x84, 0x96},
{0x85, 0xa3},
{0x86, 0xaf},
{0x87, 0xc4},
{0x88, 0xd7},
{0x89, 0xe8},
{0x4f, 0x98},
{0x50, 0x98},
{0x51, 0x00},
{0x52, 0x28},
{0x53, 0x70},
{0x54, 0x98},
{0x58, 0x1a},
{0x6b, 0x5a},
{0x90, 0x92},
{0x91, 0x92},
{0x9f, 0x90},
{0xa0, 0x90},
{0x16, 0x24},
{0x2a, 0x00},
{0x2b, 0x00},
{0xac, 0x80},
{0xad, 0x80},
{0xae, 0x80},
{0xaf, 0x80},
{0xb2, 0xf2},
{0xb3, 0x20},
{0xb4, 0x20},
{0xb6, 0xaf},
{0x29, 0x15},
{0x9d, 0x02},
{0x9e, 0x02},
{0x9e, 0x02},
{0x04, 0x03},
{0x05, 0x2e},
{0x06, 0x2e},
{0x07, 0x2e},
{0x08, 0x2e},
{0x2f, 0x2e},
{0x4a, 0xe9},
{0x4b, 0xdd},
{0x4c, 0xdd},
{0x4d, 0xdd},
{0x4e, 0xdd},
{0x70, 0x06},
{0xa6, 0x40},
{0xbc, 0x02},
{0xbd, 0x01},
{0xbe, 0x02},
{0xbf, 0x01},
};
/* Initialization sequence for QQVGA resolution (160x120) */
static const uint8_t OV9655_QVGA_QQVGA[][2]=
{
{0x00, 0x00},
{0x01, 0x80},
{0x02, 0x80},
{0x04, 0x03},
{0x09, 0x01},
{0x0b, 0x57},
{0x0e, 0x61},
{0x0f, 0x40},
{0x11, 0x01},
{0x12, 0x62},
{0x13, 0xc7},
{0x14, 0x3a},
{0x16, 0x24},
{OV9655_HORIZONTAL_FRAME_START, 0x18},
{OV9655_HORIZONTAL_FRAME_STOP, 0x04},
{OV9655_VERTIVCAL_FRAME_CTRL, 0x02},
{OV9655_VERTICAL_FRAME_START, 0x01},
{OV9655_VERTICAL_FRAME_STOP, 0x81},
{0x1e, 0x00},
{0x24, 0x3c},
{0x25, 0x36},
{0x26, 0x72},
{0x27, 0x08},
{0x28, 0x08},
{0x29, 0x15},
{0x2a, 0x00},
{0x2b, 0x00},
{0x2c, 0x08},
{0x33, 0x00},
{0x34, 0x3f},
{0x35, 0x00},
{0x36, 0x3a},
{0x38, 0x72},
{0x39, 0x57},
{0x3a, 0xcc},
{0x3b, 0x04},
{0x3d, 0x99},
{0x3f, 0xc1},
{0x40, 0xc0},
{0x41, 0x41},
{0x42, 0xc0},
{0x43, 0x0a},
{0x44, 0xf0},
{0x45, 0x46},
{0x46, 0x62},
{0x47, 0x2a},
{0x48, 0x3c},
{0x4a, 0xfc},
{0x4b, 0xfc},
{0x4c, 0x7f},
{0x4d, 0x7f},
{0x4e, 0x7f},
{0x4f, 0x98},
{0x50, 0x98},
{0x51, 0x00},
{0x52, 0x28},
{0x53, 0x70},
{0x54, 0x98},
{0x58, 0x1a},
{0x59, 0x85},
{0x5a, 0xa9},
{0x5b, 0x64},
{0x5c, 0x84},
{0x5d, 0x53},
{0x5e, 0x0e},
{0x5f, 0xf0},
{0x60, 0xf0},
{0x61, 0xf0},
{0x62, 0x00},
{0x63, 0x00},
{0x64, 0x02},
{0x65, 0x20},
{0x66, 0x00},
{0x69, 0x0a},
{0x6b, 0x5a},
{0x6c, 0x04},
{0x6d, 0x55},
{0x6e, 0x00},
{0x6f, 0x9d},
{0x70, 0x21},
{0x71, 0x78},
{0x74, 0x10},
{0x75, 0x10},
{0x76, 0x01},
{0x77, 0x02},
{0x7A, 0x12},
{0x7B, 0x08},
{0x7C, 0x16},
{0x7D, 0x30},
{0x7E, 0x5e},
{0x7F, 0x72},
{0x80, 0x82},
{0x81, 0x8e},
{0x82, 0x9a},
{0x83, 0xa4},
{0x84, 0xac},
{0x85, 0xb8},
{0x86, 0xc3},
{0x87, 0xd6},
{0x88, 0xe6},
{0x89, 0xf2},
{0x8a, 0x24},
{0x8c, 0x80},
{0x90, 0x7d},
{0x91, 0x7b},
{0x9d, 0x02},
{0x9e, 0x02},
{0x9f, 0x7a},
{0xa0, 0x79},
{0xa1, 0x40},
{0xa4, 0x50},
{0xa5, 0x68},
{0xa6, 0x4a},
{0xa8, 0xc1},
{0xa9, 0xef},
{0xaa, 0x92},
{0xab, 0x04},
{0xac, 0x80},
{0xad, 0x80},
{0xae, 0x80},
{0xaf, 0x80},
{0xb2, 0xf2},
{0xb3, 0x20},
{0xb4, 0x20},
{0xb5, 0x00},
{0xb6, 0xaf},
{0xb6, 0xaf},
{0xbb, 0xae},
{0xbc, 0x7f},
{0xbd, 0x7f},
{0xbe, 0x7f},
{0xbf, 0x7f},
{0xbf, 0x7f},
{0xc0, 0xaa},
{0xc1, 0xc0},
{0xc2, 0x01},
{0xc3, 0x4e},
{0xc6, 0x05},
{0xc9, 0xe0},
{0xca, 0xe8},
{0xcb, 0xf0},
{0xcc, 0xd8},
{0xcd, 0x93},
{0x12, 0x63},
{0x40, 0x10},
};
/* Initialization sequence for QVGA resolution (320x240) */
static const uint8_t OV9655_QVGA[][2] =
{
{OV9655_HORIZONTAL_FRAME_CTRL, 0x12},
{0x3e, 0x02},
{0x72, 0x11},
{0x73, 0x01},
{0xc7, 0x81},
};
/* Initialization sequence for QQVGA resolution (160x120) */
static const uint8_t OV9655_QQVGA[][2]=
{
{OV9655_HORIZONTAL_FRAME_CTRL, 0xA4},
{0x3e, 0x0E},
{0x72, 0x22},
{0x73, 0x02},
{0xc7, 0x82},
};
/* Check if resolution is supported */
if (Resolution > OV9655_R640x480)
{
ret = OV9655_ERROR;
}
else
{
/* Initialize OV9655 */
switch (Resolution)
{
case OV9655_R160x120:
for(index=0; index<(sizeof(OV9655_QVGA_QQVGA)/2U); index++)
{
if(ret != OV9655_ERROR)
{
tmp = OV9655_QVGA_QQVGA[index][1];
if(ov9655_write_reg(&pObj->Ctx, OV9655_QVGA_QQVGA[index][0], &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
(void)OV9655_Delay(pObj, 2);
}
}
for(index=0; index<(sizeof(OV9655_QQVGA)/2U); index++)
{
if(ret != OV9655_ERROR)
{
tmp = OV9655_QQVGA[index][1];
if(ov9655_write_reg(&pObj->Ctx, OV9655_QQVGA[index][0], &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
(void)OV9655_Delay(pObj, 2);
}
}
break;
case OV9655_R320x240:
for(index=0; index<(sizeof(OV9655_QVGA_QQVGA)/2U); index++)
{
if(ret != OV9655_ERROR)
{
tmp = OV9655_QVGA_QQVGA[index][1];
if(ov9655_write_reg(&pObj->Ctx, OV9655_QVGA_QQVGA[index][0], &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
(void)OV9655_Delay(pObj, 2);
}
}
for(index=0; index< (sizeof(OV9655_QVGA)/2U); index++)
{
if(ret != OV9655_ERROR)
{
tmp = OV9655_QVGA[index][1];
if(ov9655_write_reg(&pObj->Ctx, OV9655_QVGA[index][0], &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
(void)OV9655_Delay(pObj, 2);
}
}
break;
case OV9655_R480x272:
case OV9655_R640x480:
for(index=0; index<(sizeof(OV9655_VGA)/2U); index++)
{
if(ret != OV9655_ERROR)
{
tmp = OV9655_VGA[index][1];
if(ov9655_write_reg(&pObj->Ctx, OV9655_VGA[index][0], &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
(void)OV9655_Delay(pObj, 2);
}
}
break;
default:
ret = OV9655_ERROR;
break;
}
}
return ret;
}
/**
* @brief Get OV9655 camera resolution.
* @param pObj pointer to component object
* @param Resolution Camera resolution
* @retval Component status
*/
int32_t OV9655_GetResolution(OV9655_Object_t *pObj, uint32_t *Resolution)
{
int32_t ret = OV9655_OK;
uint8_t tmp;
if(ov9655_read_reg(&pObj->Ctx, OV9655_HORIZONTAL_FRAME_CTRL, &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
else
{
switch (tmp)
{
case 0xFF:
*Resolution = OV9655_R640x480;
break;
case 0x12:
*Resolution = OV9655_R320x240;
break;
case 0xA4:
*Resolution = OV9655_R160x120;
break;
default:
ret = OV9655_ERROR;
break;
}
}
return ret;
}
/**
* @brief Read the OV9655 Camera identity.
* @param pObj pointer to component object
* @param Id pointer to component ID
* @retval Component status
*/
int32_t OV9655_ReadID(OV9655_Object_t *pObj, uint32_t *Id)
{
int32_t ret;
uint8_t tmp;
/* Initialize I2C */
pObj->IO.Init();
if(ov9655_read_reg(&pObj->Ctx, OV9655_PID_NUMBER_HIGH, &tmp, 1)!= OV9655_OK)
{
ret = OV9655_ERROR;
}
else
{
*Id = (uint32_t)tmp << 8U;
if(ov9655_read_reg(&pObj->Ctx, OV9655_PID_NUMBER_LOW, &tmp, 1)!= OV9655_OK)
{
ret = OV9655_ERROR;
}
else
{
*Id |= tmp;
ret = OV9655_OK;
}
}
/* Component status */
return ret;
}
/**
* @brief Read the OV9655 Camera Capabilities.
* @param pObj pointer to component object
* @param Capabilities pointer to component Capabilities
* @retval Component status
*/
int32_t OV9655_GetCapabilities(OV9655_Object_t *pObj, OV9655_Capabilities_t *Capabilities)
{
int32_t ret;
if(pObj == NULL)
{
ret = OV9655_ERROR;
}
else
{
Capabilities->Config_Brightness = 1;
Capabilities->Config_Contrast = 1;
Capabilities->Config_HueDegree = 0;
Capabilities->Config_LightMode = 0;
Capabilities->Config_MirrorFlip = 1;
Capabilities->Config_NightMode = 1;
Capabilities->Config_Resolution = 1;
Capabilities->Config_Saturation = 0;
Capabilities->Config_SpecialEffect = 1;
Capabilities->Config_Zoom = 0;
ret = OV9655_OK;
}
return ret;
}
/**
* @brief Set the OV9655 camera Light Mode.
* @param pObj pointer to component object
* @param Effect Effect to be configured
* @retval Component status
*/
int32_t OV9655_SetLightMode(OV9655_Object_t *pObj, uint32_t LightMode)
{
(void)(pObj);
(void)(LightMode);
return OV9655_ERROR;
}
/**
* @brief Set the OV9655 camera Special Effect.
* @param pObj pointer to component object
* @param Effect Effect to be configured
* @retval Component status
*/
int32_t OV9655_SetColorEffect(OV9655_Object_t *pObj, uint32_t Effect)
{
int32_t ret;
uint8_t tmp;
switch(Effect)
{
case OV9655_COLOR_EFFECT_BLUE:
tmp = 0xCC;
ret = ov9655_write_reg(&pObj->Ctx, OV9655_TSLB, &tmp, 1);
tmp = 0x00;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_1, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_2, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_3, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_4, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_5, &tmp, 1);
tmp = 0x60;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_6, &tmp, 1);
break;
case OV9655_COLOR_EFFECT_RED:
tmp = 0xCC;
ret = ov9655_write_reg(&pObj->Ctx, OV9655_TSLB, &tmp, 1);
tmp = 0x60;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_1, &tmp, 1);
tmp = 0x00;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_2, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_3, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_4, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_5, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_6, &tmp, 1);
break;
case OV9655_COLOR_EFFECT_GREEN:
tmp = 0xCC;
ret = ov9655_write_reg(&pObj->Ctx, OV9655_TSLB, &tmp, 1);
tmp = 0x00;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_1, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_2, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_3, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_4, &tmp, 1);
tmp = 0x80;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_5, &tmp, 1);
tmp = 0x00;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_6, &tmp, 1);
break;
case OV9655_COLOR_EFFECT_BW:
tmp = 0xCC;
ret = ov9655_write_reg(&pObj->Ctx, OV9655_TSLB, &tmp, 1);
tmp = 0x00;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_1, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_2, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_3, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_4, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_5, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_6, &tmp, 1);
break;
case OV9655_COLOR_EFFECT_SEPIA:
tmp = 0xCC;
ret = ov9655_write_reg(&pObj->Ctx, OV9655_TSLB, &tmp, 1);
tmp = 0x00;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_1, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_2, &tmp, 1);
tmp = 0x20;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_3, &tmp, 1);
tmp = 0xF0;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_4, &tmp, 1);
tmp = 0x00;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_5, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_6, &tmp, 1);
break;
case OV9655_COLOR_EFFECT_NEGATIVE:
tmp = 0xEC;
ret = ov9655_write_reg(&pObj->Ctx, OV9655_TSLB, &tmp, 1);
tmp = 0x80;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_1, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_2, &tmp, 1);
tmp = 0x00;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_3, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_4, &tmp, 1);
tmp = 0x80;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_5, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_6, &tmp, 1);
break;
case OV9655_COLOR_EFFECT_NONE:
default :
tmp = 0xCC;
ret = ov9655_write_reg(&pObj->Ctx, OV9655_TSLB, &tmp, 1);
tmp = 0x80;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_1, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_2, &tmp, 1);
tmp = 0x00;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_3, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_4, &tmp, 1);
tmp = 0x80;
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_5, &tmp, 1);
ret += ov9655_write_reg(&pObj->Ctx, OV9655_MATRIX_COEFFICIENT_6, &tmp, 1);
break;
}
if(ret != OV9655_OK)
{
ret = OV9655_ERROR;
}
return ret;
}
/**
* @brief Set the OV9655 camera Brightness Level.
* @note The brightness of OV9655 could be adjusted. Higher brightness will
* make the picture more bright. The side effect of higher brightness
* is the picture looks foggy.
* @param pObj pointer to component object
* @param Level Value to be configured
* @retval Component status
*/
int32_t OV9655_SetBrightness(OV9655_Object_t *pObj, int32_t Level)
{
int32_t ret = OV9655_OK;
const uint8_t brightness_level[] = {0xB0U, 0xB0U, 0xB0U, 0x98U, 0x00U, 0x18U, 0x30U, 0x30U, 0x30U};
uint8_t tmp;
tmp = brightness_level[Level + 4];
if(ov9655_write_reg(&pObj->Ctx, OV9655_BRIGHTNESS_ADJUSTMENT, &tmp, 1) != OV9655_OK)
{
ret = OV9655_ERROR;
}
return ret;
}
/**
* @brief Set the OV9655 camera Saturation Level.
* @note The color saturation of OV9655 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 pObj pointer to component object
* @param Level Value to be configured
* @retval Component status
*/
int32_t OV9655_SetSaturation(OV9655_Object_t *pObj, int32_t Level)
{
(void)(pObj);
(void)(Level);
return OV9655_ERROR;
}
/**
* @brief Set the OV9655 camera Contrast Level.
* @note The contrast of OV9655 could be adjusted. Higher contrast will make