Diff: Drivers/BSP/Components/ov9655/ov9655.c

Revision:

0:fc80425b677a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Drivers/BSP/Components/ov9655/ov9655.c	Mon Aug 26 16:33:09 2019 +0000
@@ -0,0 +1,861 @@
+/**
+  ******************************************************************************
+  * @file    ov9655.c
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    25-June-2015
+  * @brief   This file provides the OV9655 camera driver
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */ 
+
+/* 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_Defines
+  * @{
+  */
+
+/**
+  * @}
+  */ 
+  
+/** @defgroup OV9655_Private_Macros
+  * @{
+  */
+     
+/**
+  * @}
+  */  
+  
+/** @defgroup OV9655_Private_FunctionPrototypes
+  * @{
+  */
+static uint64_t ov9655_ConvertValue(uint32_t feature, uint32_t value);
+/**
+  * @}
+  */ 
+  
+/** @defgroup OV9655_Private_Variables
+  * @{
+  */        
+
+CAMERA_DrvTypeDef   ov9655_drv = 
+{
+  ov9655_Init,
+  ov9655_ReadID,  
+  ov9655_Config,
+};
+
+/* Initialization sequence for VGA resolution (640x480)*/
+const unsigned char 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},   
+  {0x03, 0x12},   
+  {0x32, 0xff},   
+  {0x17, 0x16},   
+  {0x18, 0x02},   
+  {0x19, 0x01},   
+  {0x1a, 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 QVGA resolution (320x240) */
+const unsigned char OV9655_QVGA[][2]=
+{
+  {0x00, 0x00},
+  {0x01, 0x80},
+  {0x02, 0x80},
+  {0x03, 0x02},
+  {0x04, 0x03},
+  {0x09, 0x01},
+  {0x0b, 0x57},
+  {0x0e, 0x61},
+  {0x0f, 0x40},
+  {0x11, 0x01},
+  {0x12, 0x62},
+  {0x13, 0xc7},
+  {0x14, 0x3a},
+  {0x16, 0x24},
+  {0x17, 0x18},
+  {0x18, 0x04},
+  {0x19, 0x01},
+  {0x1a, 0x81},
+  {0x1e, 0x00},
+  {0x24, 0x3c},
+  {0x25, 0x36},
+  {0x26, 0x72},
+  {0x27, 0x08},
+  {0x28, 0x08},
+  {0x29, 0x15},
+  {0x2a, 0x00},
+  {0x2b, 0x00},
+  {0x2c, 0x08},
+  {0x32, 0x12},
+  {0x33, 0x00},
+  {0x34, 0x3f},
+  {0x35, 0x00},
+  {0x36, 0x3a},
+  {0x38, 0x72},
+  {0x39, 0x57},
+  {0x3a, 0xcc},
+  {0x3b, 0x04},
+  {0x3d, 0x99},
+  {0x3e, 0x02},
+  {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},
+  {0x72, 0x11},
+  {0x73, 0x01},
+  {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},
+  {0xc7, 0x81},
+  {0xc9, 0xe0},
+  {0xca, 0xe8},
+  {0xcb, 0xf0},
+  {0xcc, 0xd8},
+  {0xcd, 0x93},
+  {0x12, 0x63},
+  {0x40, 0x10},
+};
+
+/* Initialization sequence for QQVGA resolution (160x120) */
+const char OV9655_QQVGA[][2]=
+{
+  {0x00, 0x00},
+  {0x01, 0x80},
+  {0x02, 0x80},
+  {0x03, 0x02},
+  {0x04, 0x03},
+  {0x09, 0x01},
+  {0x0b, 0x57},
+  {0x0e, 0x61},
+  {0x0f, 0x40},
+  {0x11, 0x01},
+  {0x12, 0x62},
+  {0x13, 0xc7},
+  {0x14, 0x3a},
+  {0x16, 0x24},
+  {0x17, 0x18},
+  {0x18, 0x04},
+  {0x19, 0x01},
+  {0x1a, 0x81},
+  {0x1e, 0x00},
+  {0x24, 0x3c},
+  {0x25, 0x36},
+  {0x26, 0x72},
+  {0x27, 0x08},
+  {0x28, 0x08},
+  {0x29, 0x15},
+  {0x2a, 0x00},
+  {0x2b, 0x00},
+  {0x2c, 0x08},
+  {0x32, 0xa4},
+  {0x33, 0x00},
+  {0x34, 0x3f},
+  {0x35, 0x00},
+  {0x36, 0x3a},
+  {0x38, 0x72},
+  {0x39, 0x57},
+  {0x3a, 0xcc},
+  {0x3b, 0x04},
+  {0x3d, 0x99},
+  {0x3e, 0x0e},
+  {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},
+  {0x72, 0x22},
+  {0x73, 0x02},
+  {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},
+  {0xc7, 0x82},
+  {0xc9, 0xe0},
+  {0xca, 0xe8},
+  {0xcb, 0xf0},
+  {0xcc, 0xd8},
+  {0xcd, 0x93},
+  {0x12, 0x63},
+  {0x40, 0x10},
+};
+
+/**
+  * @}
+  */
+  
+/** @defgroup OV9655_Private_Functions
+  * @{
+  */ 
+  
+/**
+  * @brief  Initializes the OV9655 CAMERA component.
+  * @param  DeviceAddr: Device address on communication Bus.
+  * @param  resolution: Camera resolution
+  * @retval None
+  */
+void ov9655_Init(uint16_t DeviceAddr, uint32_t resolution)
+{
+  uint32_t index;
+  
+  /* Initialize I2C */
+  CAMERA_IO_Init();    
+  
+  /* Prepare the camera to be configured by resetting all its registers */
+  CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_COM7, 0x80);
+  CAMERA_Delay(200);
+  
+  /* Initialize OV9655 */
+  switch (resolution)
+  {
+  case CAMERA_R160x120:
+    {
+      for(index=0; index<(sizeof(OV9655_QQVGA)/2); index++)
+      {
+        CAMERA_IO_Write(DeviceAddr, OV9655_QQVGA[index][0], OV9655_QQVGA[index][1]);
+        CAMERA_Delay(2);
+      } 
+      break;
+    }    
+  case CAMERA_R320x240:
+    {
+      for(index=0; index<(sizeof(OV9655_QVGA)/2); index++)
+      {
+        CAMERA_IO_Write(DeviceAddr, OV9655_QVGA[index][0], OV9655_QVGA[index][1]);
+        CAMERA_Delay(2);
+      } 
+      break;
+    }
+  case CAMERA_R480x272:
+    {
+      /* Not supported resolution */
+      break;
+    }
+  case CAMERA_R640x480:
+    {
+      for(index=0; index<(sizeof(OV9655_VGA)/2); index++)
+      {
+        CAMERA_IO_Write(DeviceAddr, OV9655_VGA[index][0], OV9655_VGA[index][1]);
+        CAMERA_Delay(2);
+      }
+      break;
+    }    
+  default:
+    {
+      break;
+    }
+  }
+}
+
+/**
+  * @brief  Configures the OV9655 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 ov9655_Config(uint16_t DeviceAddr, uint32_t feature, uint32_t value, uint32_t brightness_value)
+{
+  uint8_t tslb, mtx1, mtx2, mtx3, mtx4, mtx5, mtx6;
+  uint64_t value_tmp;
+  uint32_t br_value;
+  
+  /* Convert the input value into ov9655 parameters */
+  value_tmp = ov9655_ConvertValue(feature, value); 
+  br_value = (uint32_t)ov9655_ConvertValue(CAMERA_CONTRAST_BRIGHTNESS, brightness_value);
+    
+  switch(feature)
+  {
+  case CAMERA_CONTRAST_BRIGHTNESS:
+    {
+      CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_BRTN, br_value);
+      CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_CNST1, value_tmp);
+      break;
+    }
+  case CAMERA_BLACK_WHITE:
+  case CAMERA_COLOR_EFFECT:
+    {     
+      tslb = (uint8_t)(value_tmp >> 48);
+      mtx1 = (uint8_t)(value_tmp >> 40);
+      mtx2 = (uint8_t)(value_tmp >> 32);
+      mtx3 = (uint8_t)(value_tmp >> 24);
+      mtx4 = (uint8_t)(value_tmp >> 16);
+      mtx5 = (uint8_t)(value_tmp >> 8);
+      mtx6 = (uint8_t)(value_tmp);
+      CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_TSLB, tslb);
+      CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_MTX1, mtx1);
+      CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_MTX2, mtx2);
+      CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_MTX3, mtx3);
+      CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_MTX4, mtx4);
+      CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_MTX5, mtx5);
+      CAMERA_IO_Write(DeviceAddr, OV9655_SENSOR_MTX6, mtx6);
+      break;
+    }     
+  default:
+    {
+      break;
+    }
+  }
+}
+
+/**
+  * @brief  Read the OV9655 Camera identity.
+  * @param  DeviceAddr: Device address on communication Bus.
+  * @retval the OV9655 ID
+  */
+uint16_t ov9655_ReadID(uint16_t DeviceAddr)
+{
+  /* Initialize I2C */
+  CAMERA_IO_Init();
+  
+  /* Get the camera ID */
+  return (CAMERA_IO_Read(DeviceAddr, OV9655_SENSOR_PIDH));
+}
+
+/******************************************************************************
+                            Static Functions
+*******************************************************************************/
+/**
+  * @brief  Convert input values into ov9655 parameters.
+  * @param  feature: Camera feature to be configured
+  * @param  value: Value to be configured
+  * @retval The converted value
+  */
+static uint64_t ov9655_ConvertValue(uint32_t feature, uint32_t value)
+{
+  uint64_t ret = 0;
+  
+  switch(feature)
+  {
+  case CAMERA_BLACK_WHITE:
+    {
+      switch(value)
+      {
+      case CAMERA_BLACK_WHITE_BW:
+        {
+          ret =  OV9655_BLACK_WHITE_BW;
+          break;
+        }
+      case CAMERA_BLACK_WHITE_NEGATIVE:
+        {
+          ret =  OV9655_BLACK_WHITE_NEGATIVE;
+          break;
+        }
+      case CAMERA_BLACK_WHITE_BW_NEGATIVE:
+        {
+          ret =  OV9655_BLACK_WHITE_BW_NEGATIVE;
+          break;
+        }
+      case CAMERA_BLACK_WHITE_NORMAL:
+        {
+          ret =  OV9655_BLACK_WHITE_NORMAL;
+          break;
+        }
+      default:
+        {
+          ret =  OV9655_BLACK_WHITE_NORMAL;
+          break;
+        }
+      }
+      break;
+    }
+  case CAMERA_CONTRAST_BRIGHTNESS:
+    {
+      switch(value)
+      {
+      case CAMERA_BRIGHTNESS_LEVEL0:
+        {
+          ret =  OV9655_BRIGHTNESS_LEVEL0;
+          break;
+        }
+      case CAMERA_BRIGHTNESS_LEVEL1:
+        {
+          ret =  OV9655_BRIGHTNESS_LEVEL1;
+          break;
+        }
+      case CAMERA_BRIGHTNESS_LEVEL2:
+        {
+          ret =  OV9655_BRIGHTNESS_LEVEL2;
+          break;
+        }
+      case CAMERA_BRIGHTNESS_LEVEL3:
+        {
+          ret =  OV9655_BRIGHTNESS_LEVEL3;
+          break;
+        }
+      case CAMERA_BRIGHTNESS_LEVEL4:
+        {
+          ret =  OV9655_BRIGHTNESS_LEVEL4;
+          break;
+        }        
+      case CAMERA_CONTRAST_LEVEL0:
+        {
+          ret =  OV9655_CONTRAST_LEVEL0;
+          break;
+        }
+      case CAMERA_CONTRAST_LEVEL1:
+        {
+          ret =  OV9655_CONTRAST_LEVEL1;
+          break;
+        }
+      case CAMERA_CONTRAST_LEVEL2:
+        {
+          ret =  OV9655_CONTRAST_LEVEL2;
+          break;
+        }
+      case CAMERA_CONTRAST_LEVEL3:
+        {
+          ret =  OV9655_CONTRAST_LEVEL3;
+          break;
+        }
+      case CAMERA_CONTRAST_LEVEL4:
+        {
+          ret =  OV9655_CONTRAST_LEVEL4;
+          break;
+        }
+      default:
+        {
+          ret =  OV9655_CONTRAST_LEVEL0;
+          break;
+        }
+      }
+      break;
+    }
+  case CAMERA_COLOR_EFFECT:
+    {
+      switch(value)
+      {
+      case CAMERA_COLOR_EFFECT_ANTIQUE:
+        {
+          ret =  OV9655_COLOR_EFFECT_ANTIQUE;
+          break;
+        }
+      case CAMERA_COLOR_EFFECT_BLUE:
+        {
+          ret =  OV9655_COLOR_EFFECT_BLUE;
+          break;
+        }
+      case CAMERA_COLOR_EFFECT_GREEN:
+        {
+          ret =  OV9655_COLOR_EFFECT_GREEN;
+          break;
+        }
+      case CAMERA_COLOR_EFFECT_RED:
+        {
+          ret =  OV9655_COLOR_EFFECT_RED;
+          break;
+        }
+      case CAMERA_COLOR_EFFECT_NONE:
+      default:
+        {
+          ret =  OV9655_COLOR_EFFECT_NONE;
+          break;
+        }
+      }
+      break;
+    default:
+      {
+        ret = 0;
+        break;
+      }    
+    }
+  }
+  
+  return ret;
+}
+         
+/**
+  * @}
+  */ 
+  
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+  
+/**
+  * @}
+  */  
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/