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STM32H750XB_RT-THREAD/45-DCMI—OV2640摄像头实验/User/camera/bsp_ov2640.c

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STM32H750 RTThread 例程
2025-07-21 06:34:29 +00:00
/**
******************************************************************************
* @file bsp_sdram.c
* @author fire
* @version V1.0
* @date 2016-xx-xx
* @brief OV2640<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
******************************************************************************
* @attention
*
* ʵ<EFBFBD><EFBFBD>ƽ̨:Ұ<EFBFBD><EFBFBD> STM32 H750 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>̳ :http://www.firebbs.cn
* <EFBFBD>Ա<EFBFBD> :http://firestm32.taobao.com
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "./camera/bsp_ov2640.h"
#include "./i2c/bsp_i2c.h"
/** @addtogroup DCMI_Camera
* @{
*/
DCMI_HandleTypeDef DCMI_Handle;
DMA_HandleTypeDef DMA_Handle_dcmi;
extern uint8_t fps;
/* QQVGA 160x120 */
const char OV2640_QQVGA[][2]=
{
0xff, 0x00,
0x2c, 0xff,
0x2e, 0xdf,
0xff, 0x01,
0x3c, 0x32,
0x11, 0x00,
0x09, 0x02,
0x03, 0xcf,
0x04, 0x08,
0x13, 0xe5,
0x14, 0x48,
0x2c, 0x0c,
0x33, 0x78,
0x3a, 0x33,
0x3b, 0xfb,
0x3e, 0x00,
0x43, 0x11,
0x16, 0x10,
0x39, 0x02,
0x35, 0x88,
0x22, 0x0a,
0x37, 0x40,
0x23, 0x00,
0x34, 0xa0,
0x36, 0x1a,
0x06, 0x02,
0x07, 0xc0,
0x0d, 0xb7,
0x0e, 0x01,
0x4c, 0x00,
0x4a, 0x81,
0x21, 0x99,
0x24, 0x3a,
0x25, 0x32,
0x26, 0x82,
0x5c, 0x00,
0x63, 0x00,
0x5d, 0x55,
0x5e, 0x7d,
0x5f, 0x7d,
0x60, 0x55,
0x61, 0x70,
0x62, 0x80,
0x7c, 0x05,
0x20, 0x80,
0x28, 0x30,
0x6c, 0x00,
0x6d, 0x80,
0x6e, 0x00,
0x70, 0x02,
0x71, 0x96,
0x73, 0xe1,
0x3d, 0x34,
0x5a, 0x57,
0x4f, 0xbb,
0x50, 0x9c,
0x0f, 0x43,
0xff, 0x00,
0xe5, 0x7f,
0xf9, 0xc0,
0x41, 0x24,
0xe0, 0x14,
0x76, 0xff,
0x33, 0xa0,
0x42, 0x20,
0x43, 0x18,
0x4c, 0x00,
0x87, 0xd0,
0x88, 0x3f,
0xd7, 0x03,
0xd9, 0x10,
0xd3, 0x82,
0xc8, 0x08,
0xc9, 0x80,
0x7c, 0x00,
0x7d, 0x02,
0x7c, 0x03,
0x7d, 0x48,
0x7d, 0x48,
0x7c, 0x08,
0x7d, 0x20,
0x7d, 0x10,
0x7d, 0x0e,
0x90, 0x00,
0x91, 0x0e,
0x91, 0x1a,
0x91, 0x31,
0x91, 0x5a,
0x91, 0x69,
0x91, 0x75,
0x91, 0x7e,
0x91, 0x88,
0x91, 0x8f,
0x91, 0x96,
0x91, 0xa3,
0x91, 0xaf,
0x91, 0xc4,
0x91, 0xd7,
0x91, 0xe8,
0x91, 0x20,
0x92, 0x00,
0x93, 0x06,
0x93, 0xe3,
0x93, 0x05,
0x93, 0x05,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x96, 0x00,
0x97, 0x08,
0x97, 0x19,
0x97, 0x02,
0x97, 0x0c,
0x97, 0x24,
0x97, 0x30,
0x97, 0x28,
0x97, 0x26,
0x97, 0x02,
0x97, 0x98,
0x97, 0x80,
0x97, 0x00,
0x97, 0x00,
0xc3, 0xed,
0xa4, 0x00,
0xa8, 0x00,
0xbf, 0x00,
0xba, 0xf0,
0xbc, 0x64,
0xbb, 0x02,
0xb6, 0x3d,
0xb8, 0x57,
0xb7, 0x38,
0xb9, 0x4e,
0xb3, 0xe8,
0xb4, 0xe1,
0xb5, 0x66,
0xb0, 0x67,
0xb1, 0x5e,
0xb2, 0x04,
0xc7, 0x00,
0xc6, 0x51,
0xc5, 0x11,
0xc4, 0x9c,
0xcf, 0x02,
0xa6, 0x00,
0xa7, 0xe0,
0xa7, 0x10,
0xa7, 0x1e,
0xa7, 0x21,
0xa7, 0x00,
0xa7, 0x28,
0xa7, 0xd0,
0xa7, 0x10,
0xa7, 0x16,
0xa7, 0x21,
0xa7, 0x00,
0xa7, 0x28,
0xa7, 0xd0,
0xa7, 0x10,
0xa7, 0x17,
0xa7, 0x21,
0xa7, 0x00,
0xa7, 0x28,
0xc0, 0xc8,
0xc1, 0x96,
0x86, 0x1d,
0x50, 0x00,
0x51, 0x90,
0x52, 0x18,
0x53, 0x00,
0x54, 0x00,
0x55, 0x88,
0x57, 0x00,
0x5a, 0x90,
0x5b, 0x18,
0x5c, 0x05,
0xc3, 0xef,
0x7f, 0x00,
0xda, 0x00,
0xe5, 0x1f,
0xe1, 0x67,
0xe0, 0x00,
0xdd, 0xff,
0x05, 0x00,
0xff, 0x01,
0xff, 0x01,
0x12, 0x00,
0x17, 0x11,
0x18, 0x75,
0x19, 0x01,
0x1a, 0x97,
0x32, 0x36,
0x4f, 0xbb,
0x6d, 0x80,
0x3d, 0x34,
0x39, 0x02,
0x35, 0x88,
0x22, 0x0a,
0x37, 0x40,
0x23, 0x00,
0x34, 0xa0,
0x36, 0x1a,
0x06, 0x02,
0x07, 0xc0,
0x0d, 0xb7,
0x0e, 0x01,
0x4c, 0x00,
0xff, 0x00,
0xe0, 0x04,
0x8c, 0x00,
0x87, 0xd0,
0xe0, 0x00,
0xff, 0x00,
0xe0, 0x14,
0xe1, 0x77,
0xe5, 0x1f,
0xd7, 0x03,
0xda, 0x10,
0xe0, 0x00,
0xff, 0x00,
0xe0, 0x04,
0xc0, 0xc8,
0xc1, 0x96,
0x86, 0x1d,
0x50, 0x00,
0x51, 0x90,
0x52, 0x2c,
0x53, 0x00,
0x54, 0x00,
0x55, 0x88,
0x57, 0x00,
0x5a, 0x90,
0x5b, 0x2c,
0x5c, 0x05,
0xe0, 0x00,
0xd3, 0x04,
0xff, 0x00,
0xc3, 0xef,
0xa6, 0x00,
0xa7, 0xdd,
0xa7, 0x78,
0xa7, 0x7e,
0xa7, 0x24,
0xa7, 0x00,
0xa7, 0x25,
0xa6, 0x06,
0xa7, 0x20,
0xa7, 0x58,
0xa7, 0x73,
0xa7, 0x34,
0xa7, 0x00,
0xa7, 0x25,
0xa6, 0x0c,
0xa7, 0x28,
0xa7, 0x58,
0xa7, 0x6d,
0xa7, 0x34,
0xa7, 0x00,
0xa7, 0x25,
0xff, 0x00,
0xe0, 0x04,
0xe1, 0x67,
0xe5, 0x1f,
0xd7, 0x01,
0xda, 0x08,
0xda, 0x09,
0xe0, 0x00,
0x98, 0x00,
0x99, 0x00,
0xff, 0x01,
0x04, 0x28,
0xff, 0x01,
0x12, 0x40,
0x17, 0x11,
0x18, 0x43,
0x19, 0x00,
0x1a, 0x4b,
0x32, 0x09,
0x4f, 0xca,
0x50, 0xa8,
0x5a, 0x23,
0x6d, 0x00,
0x39, 0x12,
0x35, 0xda,
0x22, 0x1a,
0x37, 0xc3,
0x23, 0x00,
0x34, 0xc0,
0x36, 0x1a,
0x06, 0x88,
0x07, 0xc0,
0x0d, 0x87,
0x0e, 0x41,
0x4c, 0x00,
0xff, 0x00,
0xe0, 0x04,
0xc0, 0x64,
0xc1, 0x4b,
0x86, 0x35,
0x50, 0x92,
0x51, 0xc8,
0x52, 0x96,
0x53, 0x00,
0x54, 0x00,
0x55, 0x00,
0x57, 0x00,
0x5a, 0x28,
0x5b, 0x1e,
0x5c, 0x00,
0xe0, 0x00,
0xff, 0x01,
0x11, 0x00,
0x3d, 0x38,
0x2d, 0x00,
0x50, 0x65,
0xff, 0x00,
0xd3, 0x04,
0x7c, 0x00,
0x7d, 0x04,
0x7c, 0x09,
0x7d, 0x28,
0x7d, 0x00,
};
/* OV2640<34><30> SVGA<47><41> 600<30><30>*800<30>еģ<D0B5><C4A3><EFBFBD>800<30><30>*480<38>е<EFBFBD>Һ<EFBFBD><D2BA><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><CFB2><EFBFBD>ȫ<EFBFBD><C8AB>*/
/* <20><><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD> UXGA ģʽ<C4A3><CABD><EFBFBD>ٸ<EFBFBD><D9B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD>񴰿ڲü<DAB2> */
const unsigned char OV2640_UXGA[][2]=
{
0xff, 0x00,
0x2c, 0xff,
0x2e, 0xdf,
0xff, 0x01,
0x3c, 0x32,
0x11, 0x00,
0x09, 0x02,
0x04, 0xd0, //ˮƽ<CBAE><C6BD>ת
0x13, 0xe5,
0x14, 0x48,
0x2c, 0x0c,
0x33, 0x78,
0x3a, 0x33,
0x3b, 0xfB,
0x3e, 0x00,
0x43, 0x11,
0x16, 0x10,
0x4a, 0x81,
0x21, 0x99,
0x24, 0x40,
0x25, 0x38,
0x26, 0x82,
0x5c, 0x00,
0x63, 0x00,
0x46, 0x3f,
0x0c, 0x3c,
0x61, 0x70,
0x62, 0x80,
0x7c, 0x05,
0x20, 0x80,
0x28, 0x30,
0x6c, 0x00,
0x6d, 0x80,
0x6e, 0x00,
0x70, 0x02,
0x71, 0x94,
0x73, 0xc1,
0x3d, 0x34,
0x5a, 0x57,
0x12, 0x00,
0x11, 0x00,
0x17, 0x11,
0x18, 0x75,
0x19, 0x01,
0x1a, 0x97,
0x32, 0x36,
0x03, 0x0f,
0x37, 0x40,
0x4f, 0xbb,
0x50, 0x9c,
0x5a, 0x57,
0x6d, 0x80,
0x6d, 0x38,
0x39, 0x02,
0x35, 0x88,
0x22, 0x0a,
0x37, 0x40,
0x23, 0x00,
0x34, 0xa0,
0x36, 0x1a,
0x06, 0x02,
0x07, 0xc0,
0x0d, 0xb7,
0x0e, 0x01,
0x4c, 0x00,
0xff, 0x00,
0xe5, 0x7f,
0xf9, 0xc0,
0x41, 0x24,
0xe0, 0x14,
0x76, 0xff,
0x33, 0xa0,
0x42, 0x20,
0x43, 0x18,
0x4c, 0x00,
0x87, 0xd0,
0x88, 0x3f,
0xd7, 0x03,
0xd9, 0x10,
0xd3, 0x82,
0xc8, 0x08,
0xc9, 0x80,
0x7d, 0x00,
0x7c, 0x03,
0x7d, 0x48,
0x7c, 0x08,
0x7d, 0x20,
0x7d, 0x10,
0x7d, 0x0e,
0x90, 0x00,
0x91, 0x0e,
0x91, 0x1a,
0x91, 0x31,
0x91, 0x5a,
0x91, 0x69,
0x91, 0x75,
0x91, 0x7e,
0x91, 0x88,
0x91, 0x8f,
0x91, 0x96,
0x91, 0xa3,
0x91, 0xaf,
0x91, 0xc4,
0x91, 0xd7,
0x91, 0xe8,
0x91, 0x20,
0x92, 0x00,
0x93, 0x06,
0x93, 0xe3,
0x93, 0x02,
0x93, 0x02,
0x93, 0x00,
0x93, 0x04,
0x93, 0x00,
0x93, 0x03,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x96, 0x00,
0x97, 0x08,
0x97, 0x19,
0x97, 0x02,
0x97, 0x0c,
0x97, 0x24,
0x97, 0x30,
0x97, 0x28,
0x97, 0x26,
0x97, 0x02,
0x97, 0x98,
0x97, 0x80,
0x97, 0x00,
0x97, 0x00,
0xc3, 0xef,
0xff, 0x00,
0xba, 0xdc,
0xbb, 0x08,
0xb6, 0x24,
0xb8, 0x33,
0xb7, 0x20,
0xb9, 0x30,
0xb3, 0xb4,
0xb4, 0xca,
0xb5, 0x43,
0xb0, 0x5c,
0xb1, 0x4f,
0xb2, 0x06,
0xc7, 0x00,
0xc6, 0x51,
0xc5, 0x11,
0xc4, 0x9c,
0xbf, 0x00,
0xbc, 0x64,
0xa6, 0x00,
0xa7, 0x1e,
0xa7, 0x6b,
0xa7, 0x47,
0xa7, 0x33,
0xa7, 0x00,
0xa7, 0x23,
0xa7, 0x2e,
0xa7, 0x85,
0xa7, 0x42,
0xa7, 0x33,
0xa7, 0x00,
0xa7, 0x23,
0xa7, 0x1b,
0xa7, 0x74,
0xa7, 0x42,
0xa7, 0x33,
0xa7, 0x00,
0xa7, 0x23,
0xc0, 0xc8,
0xc1, 0x96,
0x8c, 0x00,
0x86, 0x3d,
0x50, 0x92,
0x51, 0x90,
0x52, 0x2c,
0x53, 0x00,
0x54, 0x00,
0x55, 0x88,
0x5a, 0x50,
0x5b, 0x3c,
0x5c, 0x00,
0xd3, 0x04,
0x7f, 0x00,
0xda, 0x00,
0xe5, 0x1f,
0xe1, 0x67,
0xe0, 0x00,
0xdd, 0x7f,
0x05, 0x00,
0xff, 0x00,
0xe0, 0x04,
0xc0, 0xc8,
0xc1, 0x96,
0x86, 0x3d,
0x50, 0x92,
0x51, 0x90,
0x52, 0x2c,
0x53, 0x00,
0x54, 0x00,
0x55, 0x88,
0x57, 0x00,
0x5a, 0x50,
0x5b, 0x3c,
0x5c, 0x00,
0xd3, 0x04,
0xe0, 0x00,
0xFF, 0x00,
0x05, 0x00,
0xDA, 0x08,
0xda, 0x09,
0x98, 0x00,
0x99, 0x00,
0x00, 0x00,
0xff, 0x01,
0x11, 0x00,
// 0x12, 0x10,
// 0x2a, 0x00,
// 0x2b, 0x00,
// 0x46, 0x87,
// 0x47, 0x00,
// 0x3d, 0x33,//֡<><D6A1><EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD><D8A3><EFBFBD>0x11<31><31><EFBFBD><EFBFBD>
// 0xff, 0x00,
// 0xe0, 0x04,
// 0xc0, 0xc8,
// 0xc1, 0x96,
// 0x86, 0x35,
// 0x50, 0x80,//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
// 0x51, 0x90,
// 0x52, 0x2c,
// 0x53, 0x00,
// 0x54, 0x00,
// 0x55, 0x88,
// 0x57, 0x00,
// 0x5a, 0x78,//480
// 0x5b, 0x44,//272
// 0x5c, 0x00,
// 0xd3, 0x04,
// 0xe0, 0x00,
};
const unsigned char OV2640_JPEG_INIT[][2]=
{
0xff, 0x00,
0x2c, 0xff,
0x2e, 0xdf,
0xff, 0x01,
0x3c, 0x32,
0x11, 0x30,
0x09, 0x02,
0x04, 0x28,
0x13, 0xe5,
0x14, 0x48,
0x2c, 0x0c,
0x33, 0x78,
0x3a, 0x33,
0x3b, 0xfB,
0x3e, 0x00,
0x43, 0x11,
0x16, 0x10,
0x39, 0x92,
0x35, 0xda,
0x22, 0x1a,
0x37, 0xc3,
0x23, 0x00,
0x34, 0xc0,
0x36, 0x1a,
0x06, 0x88,
0x07, 0xc0,
0x0d, 0x87,
0x0e, 0x41,
0x4c, 0x00,
0x48, 0x00,
0x5B, 0x00,
0x42, 0x03,
0x4a, 0x81,
0x21, 0x99,
0x24, 0x40,
0x25, 0x38,
0x26, 0x82,
0x5c, 0x00,
0x63, 0x00,
0x61, 0x70,
0x62, 0x80,
0x7c, 0x05,
0x20, 0x80,
0x28, 0x30,
0x6c, 0x00,
0x6d, 0x80,
0x6e, 0x00,
0x70, 0x02,
0x71, 0x94,
0x73, 0xc1,
0x12, 0x40,
0x17, 0x11,
0x18, 0x43,
0x19, 0x00,
0x1a, 0x4b,
0x32, 0x09,
0x37, 0xc0,
0x4f, 0x60,
0x50, 0xa8,
0x6d, 0x00,
0x3d, 0x38,
0x46, 0x3f,
0x4f, 0x60,
0x0c, 0x3c,
0xff, 0x00,
0xe5, 0x7f,
0xf9, 0xc0,
0x41, 0x24,
0xe0, 0x14,
0x76, 0xff,
0x33, 0xa0,
0x42, 0x20,
0x43, 0x18,
0x4c, 0x00,
0x87, 0xd5,
0x88, 0x3f,
0xd7, 0x03,
0xd9, 0x10,
0xd3, 0x82,
0xc8, 0x08,
0xc9, 0x80,
0x7c, 0x00,
0x7d, 0x00,
0x7c, 0x03,
0x7d, 0x48,
0x7d, 0x48,
0x7c, 0x08,
0x7d, 0x20,
0x7d, 0x10,
0x7d, 0x0e,
0x90, 0x00,
0x91, 0x0e,
0x91, 0x1a,
0x91, 0x31,
0x91, 0x5a,
0x91, 0x69,
0x91, 0x75,
0x91, 0x7e,
0x91, 0x88,
0x91, 0x8f,
0x91, 0x96,
0x91, 0xa3,
0x91, 0xaf,
0x91, 0xc4,
0x91, 0xd7,
0x91, 0xe8,
0x91, 0x20,
0x92, 0x00,
0x93, 0x06,
0x93, 0xe3,
0x93, 0x05,
0x93, 0x05,
0x93, 0x00,
0x93, 0x04,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x93, 0x00,
0x96, 0x00,
0x97, 0x08,
0x97, 0x19,
0x97, 0x02,
0x97, 0x0c,
0x97, 0x24,
0x97, 0x30,
0x97, 0x28,
0x97, 0x26,
0x97, 0x02,
0x97, 0x98,
0x97, 0x80,
0x97, 0x00,
0x97, 0x00,
0xc3, 0xed,
0xa4, 0x00,
0xa8, 0x00,
0xc5, 0x11,
0xc6, 0x51,
0xbf, 0x80,
0xc7, 0x10,
0xb6, 0x66,
0xb8, 0xA5,
0xb7, 0x64,
0xb9, 0x7C,
0xb3, 0xaf,
0xb4, 0x97,
0xb5, 0xFF,
0xb0, 0xC5,
0xb1, 0x94,
0xb2, 0x0f,
0xc4, 0x5c,
0xc0, 0x64,
0xc1, 0x4B,
0x8c, 0x00,
0x86, 0x3D,
0x50, 0x00,
0x51, 0xC8,
0x52, 0x96,
0x53, 0x00,
0x54, 0x00,
0x55, 0x00,
0x5a, 0xC8,
0x5b, 0x96,
0x5c, 0x00,
0xd3, 0x7f,
0xc3, 0xed,
0x7f, 0x00,
0xda, 0x00,
0xe5, 0x1f,
0xe1, 0x67,
0xe0, 0x00,
0xdd, 0x7f,
0x05, 0x00,
0x12, 0x40,
0xd3, 0x7f,
0xc0, 0x16,
0xC1, 0x12,
0x8c, 0x00,
0x86, 0x3d,
0x50, 0x00,
0x51, 0x2C,
0x52, 0x24,
0x53, 0x00,
0x54, 0x00,
0x55, 0x00,
0x5A, 0x2c,
0x5b, 0x24,
0x5c, 0x00,
};
const unsigned char OV2640_YUV422[][2]=
{
0xFF, 0x00,
0x05, 0x00,
0xDA, 0x10,
0xD7, 0x03,
0xDF, 0x00,
0x33, 0x80,
0x3C, 0x40,
0xe1, 0x77,
0x00, 0x00,
};
const unsigned char OV2640_JPEG[][2]=
{
0xe0, 0x14,
0xe1, 0x77,
0xe5, 0x1f,
0xd7, 0x03,
0xda, 0x10,
0xe0, 0x00,
0xFF, 0x01,
0x04, 0x08,
};
/* JPG 160x120 */
const unsigned char OV2640_160x120_JPEG[][2]=
{
0xff, 0x01,
0x12, 0x40,
0x17, 0x11,
0x18, 0x43,
0x19, 0x00,
0x1a, 0x4b,
0x32, 0x09,
0x4f, 0xca,
0x50, 0xa8,
0x5a, 0x23,
0x6d, 0x00,
0x39, 0x12,
0x35, 0xda,
0x22, 0x1a,
0x37, 0xc3,
0x23, 0x00,
0x34, 0xc0,
0x36, 0x1a,
0x06, 0x88,
0x07, 0xc0,
0x0d, 0x87,
0x0e, 0x41,
0x4c, 0x00,
0xff, 0x00,
0xe0, 0x04,
0xc0, 0x64,
0xc1, 0x4b,
0x86, 0x35,
0x50, 0x92,
0x51, 0xc8,
0x52, 0x96,
0x53, 0x00,
0x54, 0x00,
0x55, 0x00,
0x57, 0x00,
0x5a, 0x28,
0x5b, 0x1e,
0x5c, 0x00,
0xe0, 0x00,
};
/* JPG, 0x176x144 */
const unsigned char OV2640_176x144_JPEG[][2]=
{
0xff, 0x01,
0x12, 0x40,
0x17, 0x11,
0x18, 0x43,
0x19, 0x00,
0x1a, 0x4b,
0x32, 0x09,
0x4f, 0xca,
0x50, 0xa8,
0x5a, 0x23,
0x6d, 0x00,
0x39, 0x12,
0x35, 0xda,
0x22, 0x1a,
0x37, 0xc3,
0x23, 0x00,
0x34, 0xc0,
0x36, 0x1a,
0x06, 0x88,
0x07, 0xc0,
0x0d, 0x87,
0x0e, 0x41,
0x4c, 0x00,
0xff, 0x00,
0xe0, 0x04,
0xc0, 0x64,
0xc1, 0x4b,
0x86, 0x35,
0x50, 0x92,
0x51, 0xc8,
0x52, 0x96,
0x53, 0x00,
0x54, 0x00,
0x55, 0x00,
0x57, 0x00,
0x5a, 0x2c,
0x5b, 0x24,
0x5c, 0x00,
0xe0, 0x00,
};
/* JPG 320x240 */
const unsigned char OV2640_320x240_JPEG[][2]=
{
0xff, 0x01,
0x12, 0x40,
0x17, 0x11,
0x18, 0x43,
0x19, 0x00,
0x1a, 0x4b,
0x32, 0x09,
0x4f, 0xca,
0x50, 0xa8,
0x5a, 0x23,
0x6d, 0x00,
0x39, 0x12,
0x35, 0xda,
0x22, 0x1a,
0x37, 0xc3,
0x23, 0x00,
0x34, 0xc0,
0x36, 0x1a,
0x06, 0x88,
0x07, 0xc0,
0x0d, 0x87,
0x0e, 0x41,
0x4c, 0x00,
0xff, 0x00,
0xe0, 0x04,
0xc0, 0x64,
0xc1, 0x4b,
0x86, 0x35,
0x50, 0x89,
0x51, 0xc8,
0x52, 0x96,
0x53, 0x00,
0x54, 0x00,
0x55, 0x00,
0x57, 0x00,
0x5a, 0x50,
0x5b, 0x3c,
0x5c, 0x00,
0xe0, 0x00,
};
/* JPG 352x288 */
const unsigned char OV2640_352x288_JPEG[][2]=
{
0xff, 0x01,
0x12, 0x40,
0x17, 0x11,
0x18, 0x43,
0x19, 0x00,
0x1a, 0x4b,
0x32, 0x09,
0x4f, 0xca,
0x50, 0xa8,
0x5a, 0x23,
0x6d, 0x00,
0x39, 0x12,
0x35, 0xda,
0x22, 0x1a,
0x37, 0xc3,
0x23, 0x00,
0x34, 0xc0,
0x36, 0x1a,
0x06, 0x88,
0x07, 0xc0,
0x0d, 0x87,
0x0e, 0x41,
0x4c, 0x00,
0xff, 0x00,
0xe0, 0x04,
0xc0, 0x64,
0xc1, 0x4b,
0x86, 0x35,
0x50, 0x89,
0x51, 0xc8,
0x52, 0x96,
0x53, 0x00,
0x54, 0x00,
0x55, 0x00,
0x57, 0x00,
0x5a, 0x58,
0x5b, 0x48,
0x5c, 0x00,
0xe0, 0x00,
};
/**
* @brief <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷʹ<EFBFBD>õ<EFBFBD>GPIO(I2C/DCMI)
* @param None
* @retval None
*/
void OV2640_HW_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/***DCMI<4D><49><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>***/
/* ʹ<><CAB9>DCMIʱ<49><CAB1> */
DCMI_PWDN_GPIO_CLK_ENABLE();
DCMI_VSYNC_GPIO_CLK_ENABLE();
DCMI_HSYNC_GPIO_CLK_ENABLE();
DCMI_PIXCLK_GPIO_CLK_ENABLE();
DCMI_D0_GPIO_CLK_ENABLE();
DCMI_D1_GPIO_CLK_ENABLE();
DCMI_D2_GPIO_CLK_ENABLE();
DCMI_D3_GPIO_CLK_ENABLE();
DCMI_D4_GPIO_CLK_ENABLE();
DCMI_D5_GPIO_CLK_ENABLE();
DCMI_D6_GPIO_CLK_ENABLE();
DCMI_D7_GPIO_CLK_ENABLE();
/*<2A><><EFBFBD><EFBFBD>/ͬ<><CDAC><EFBFBD>ź<EFBFBD><C5BA><EFBFBD>*/
GPIO_InitStructure.Pin = DCMI_VSYNC_GPIO_PIN;
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStructure.Pull = GPIO_PULLUP ;
GPIO_InitStructure.Alternate = DCMI_VSYNC_AF;
HAL_GPIO_Init(DCMI_VSYNC_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.Pin = DCMI_HSYNC_GPIO_PIN;
GPIO_InitStructure.Alternate = DCMI_VSYNC_AF;
HAL_GPIO_Init(DCMI_HSYNC_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.Pin = DCMI_PIXCLK_GPIO_PIN;
GPIO_InitStructure.Alternate = DCMI_PIXCLK_AF;
HAL_GPIO_Init(DCMI_PIXCLK_GPIO_PORT, &GPIO_InitStructure);
/*<2A><><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD>*/
GPIO_InitStructure.Pin = DCMI_D0_GPIO_PIN;
GPIO_InitStructure.Alternate = DCMI_D0_AF;
HAL_GPIO_Init(DCMI_D0_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.Pin = DCMI_D1_GPIO_PIN;
GPIO_InitStructure.Alternate = DCMI_D1_AF;
HAL_GPIO_Init(DCMI_D1_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.Pin = DCMI_D2_GPIO_PIN;
GPIO_InitStructure.Alternate = DCMI_D2_AF;
HAL_GPIO_Init(DCMI_D2_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.Pin = DCMI_D3_GPIO_PIN;
GPIO_InitStructure.Alternate = DCMI_D3_AF;
HAL_GPIO_Init(DCMI_D3_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.Pin = DCMI_D4_GPIO_PIN;
GPIO_InitStructure.Alternate = DCMI_D4_AF;
HAL_GPIO_Init(DCMI_D4_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.Pin = DCMI_D5_GPIO_PIN;
GPIO_InitStructure.Alternate = DCMI_D5_AF;
HAL_GPIO_Init(DCMI_D5_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.Pin = DCMI_D6_GPIO_PIN;
GPIO_InitStructure.Alternate = DCMI_D6_AF;
HAL_GPIO_Init(DCMI_D6_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.Pin = DCMI_D7_GPIO_PIN;
GPIO_InitStructure.Alternate = DCMI_D7_AF;
HAL_GPIO_Init(DCMI_D7_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.Pin = DCMI_PWDN_GPIO_PIN;
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
HAL_GPIO_Init(DCMI_PWDN_GPIO_PORT, &GPIO_InitStructure);
/*PWDN<44><4E><EFBFBD>ţ<EFBFBD><C5A3>ߵ<EFBFBD>ƽ<EFBFBD>رյ<D8B1>Դ<EFBFBD><D4B4><EFBFBD>͵<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD>*/
HAL_GPIO_WritePin(DCMI_PWDN_GPIO_PORT,DCMI_PWDN_GPIO_PIN,GPIO_PIN_RESET);
}
/**
* @brief Resets the OV2640 camera.
* @param None
* @retval None
*/
void OV2640_Reset(void)
{
/*OV2640<34><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0xFF<46>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ֵΪ0<CEAA><30>Ϊ1ʱ<31><CAB1>ѡ<EFBFBD><D1A1>ʹ<EFBFBD>ò<EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>ļĴ<C4BC><C4B4><EFBFBD>*/
OV2640_WriteReg(OV2640_DSP_RA_DLMT, 0x01);
OV2640_WriteReg(OV2640_SENSOR_COM7, 0x80);
}
/**
* @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD>ID.
* @param OV2640ID: <EFBFBD>洢ID<EFBFBD>Ľṹ<EFBFBD><EFBFBD>
* @retval None
*/
void OV2640_ReadID(OV2640_IDTypeDef *OV2640ID)
{
/*OV2640<34><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0xFF<46>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ֵΪ0<CEAA><30>Ϊ1ʱ<31><CAB1>ѡ<EFBFBD><D1A1>ʹ<EFBFBD>ò<EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>ļĴ<C4BC><C4B4><EFBFBD>*/
OV2640_WriteReg(OV2640_DSP_RA_DLMT, 0x01);
/*<2A><>ȡ<EFBFBD>Ĵ<EFBFBD>оƬID*/
OV2640ID->Manufacturer_ID1 = OV2640_ReadReg(OV2640_SENSOR_MIDH);
OV2640ID->Manufacturer_ID2 = OV2640_ReadReg(OV2640_SENSOR_MIDL);
OV2640ID->PIDH = OV2640_ReadReg(OV2640_SENSOR_PIDH);
OV2640ID->PIDL = OV2640_ReadReg(OV2640_SENSOR_PIDL);
}
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD> DCMI/DMA <EFBFBD>Բ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param None
* @retval None
*/
void OV2640_Init(void)
{
/*** <20><><EFBFBD><EFBFBD>DCMI<4D>ӿ<EFBFBD> ***/
/* ʹ<><CAB9>DCMIʱ<49><CAB1> */
__HAL_RCC_DCMI_CLK_ENABLE();
/* DCMI <20><><EFBFBD><EFBFBD>*/
//DCMI<4D><49><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
DCMI_Handle.Instance = DCMI;
//<2F><><EFBFBD><EFBFBD><EFBFBD>ɼ<EFBFBD>ģʽ
DCMI_Handle.Init.SynchroMode = DCMI_MODE_CONTINUOUS;
//<2F><><EFBFBD><EFBFBD><EFBFBD>ɼ<EFBFBD>ģʽ
DCMI_Handle.Init.SynchroMode = DCMI_SYNCHRO_HARDWARE;
//<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч
DCMI_Handle.Init.PCKPolarity = DCMI_PCKPOLARITY_RISING;
//VSP<53>͵<EFBFBD>ƽ<EFBFBD><C6BD>Ч
DCMI_Handle.Init.VSPolarity = DCMI_VSPOLARITY_LOW;
//HSP<53>͵<EFBFBD>ƽ<EFBFBD><C6BD>Ч
DCMI_Handle.Init.HSPolarity = DCMI_HSPOLARITY_LOW;
//ȫ<>ɼ<EFBFBD>
DCMI_Handle.Init.CaptureRate = DCMI_CR_ALL_FRAME;
//8λ<38><CEBB><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD>
DCMI_Handle.Init.ExtendedDataMode = DCMI_EXTEND_DATA_8B;
HAL_DCMI_Init(&DCMI_Handle);
/* <20><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD> */
HAL_NVIC_SetPriority(DCMI_IRQn, 0 ,5);
HAL_NVIC_EnableIRQ(DCMI_IRQn);
//<2F><>ʼ<EFBFBD><CABC><EFBFBD>䣬<EFBFBD><E4A3AC><EFBFBD>ݴ<EFBFBD>С<EFBFBD><D0A1>32λ<32><CEBB><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>λ(<28><><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><D8B8><EFBFBD>/4<><34>LCD_GetXSize()*LCD_GetYSize()*2/4)
OV2640_DMA_Config(LCD_FB_START_ADDRESS, LCD_GetXSize()*LCD_GetYSize()/2);
}
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD> DCMI/DMA <EFBFBD>Բ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param DMA_Memory0BaseAddr:<EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD>׵<EFBFBD>ַ
* @param DMA_BufferSize<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD>λΪ<EFBFBD><EFBFBD>,<EFBFBD><EFBFBD>4<EFBFBD>ֽ<EFBFBD>)
*/
void OV2640_DMA_Config(uint32_t DMA_Memory0BaseAddr,uint32_t DMA_BufferSize)
{
/* <20><><EFBFBD><EFBFBD>DMA<4D><41>DCMI<4D>л<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>*/
/* ʹ<><CAB9>DMA*/
__HAL_RCC_DMA2_CLK_ENABLE();
DMA_Handle_dcmi.Instance = DMA2_Stream1;
DMA_Handle_dcmi.Init.Request = DMA_REQUEST_DCMI;
DMA_Handle_dcmi.Init.Direction = DMA_PERIPH_TO_MEMORY;
DMA_Handle_dcmi.Init.PeriphInc = DMA_PINC_DISABLE;
DMA_Handle_dcmi.Init.MemInc = DMA_MINC_ENABLE; //<2F>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>
DMA_Handle_dcmi.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
DMA_Handle_dcmi.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
DMA_Handle_dcmi.Init.Mode = DMA_CIRCULAR; //ѭ<><D1AD>ģʽ
DMA_Handle_dcmi.Init.Priority = DMA_PRIORITY_VERY_HIGH;
DMA_Handle_dcmi.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
DMA_Handle_dcmi.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
DMA_Handle_dcmi.Init.MemBurst = DMA_MBURST_INC8;
DMA_Handle_dcmi.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&DMA_Handle_dcmi);
/*DMA<4D>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD> */
__HAL_LINKDMA(&DCMI_Handle, DMA_Handle, DMA_Handle_dcmi);
HAL_NVIC_SetPriority(DMA2_Stream1_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(DMA2_Stream1_IRQn);
//ʹ<><CAB9>DCMI<4D>ɼ<EFBFBD><C9BC><EFBFBD><EFBFBD><EFBFBD>
HAL_DCMI_Start_DMA(&DCMI_Handle, DCMI_MODE_CONTINUOUS, (uint32_t)DMA_Memory0BaseAddr,DMA_BufferSize);
}
/**
* @brief Configures the OV2640 camera in QQVGA mode.
* @param None
* @retval None
*/
void OV2640_QQVGAConfig(void)
{
uint32_t i;
OV2640_Reset();
Delay(200);
/* Initialize OV2640 */
for(i=0; i<(sizeof(OV2640_QQVGA)/2); i++)
{
OV2640_WriteReg(OV2640_QQVGA[i][0], OV2640_QQVGA[i][1]);
Delay(2);
}
}
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD>OV2640<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD>С(<EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD>),<EFBFBD><EFBFBD>ȫ<EFBFBD>ɸú<EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD>
* @param width,height:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD>Ӧ:horizontal)<EFBFBD>͸߶<EFBFBD>(<EFBFBD><EFBFBD>Ӧ:vertical),width<EFBFBD><EFBFBD>height<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>4<EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD>
* @retval 0,<EFBFBD><EFBFBD><EFBFBD>óɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD>
*/
u8 OV2640_OutSize_Set(u16 width,u16 height)
{
u16 outh;
u16 outw;
u8 temp;
if(width%4)return 1;
if(height%4)return 2;
outw=width/4;
outh=height/4;
OV2640_WriteReg(0XFF,0X00);
OV2640_WriteReg(0XE0,0X04);
OV2640_WriteReg(0X50,outw&0X00); //<2F><><EFBFBD><EFBFBD>v_divider hdivider
OV2640_WriteReg(0X5A,outw&0XFF); //<2F><><EFBFBD><EFBFBD>OUTW<54>ĵͰ<C4B5>λ
OV2640_WriteReg(0X5B,outh&0XFF); //<2F><><EFBFBD><EFBFBD>OUTH<54>ĵͰ<C4B5>λ
temp=(outw>>8)&0X03;
temp|=(outh>>6)&0X04;
OV2640_WriteReg(0X5C,temp); //<2F><><EFBFBD><EFBFBD>OUTH/OUTW<54>ĸ<EFBFBD>λ
OV2640_WriteReg(0XE0,0X00);
return 0;
}
/**δ<><CEB4><EFBFBD><EFBFBD>*/
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD>ߴ<EFBFBD><EFBFBD><EFBFBD>С,Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD>
* @param width,height:ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ⱥ<EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD>
* @retval 0,<EFBFBD><EFBFBD><EFBFBD>óɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD>
*/
u8 OV2640_ImageSize_Set(u16 width,u16 height)
{
u8 temp;
OV2640_WriteReg(0XFF,0X00);
OV2640_WriteReg(0XE0,0X04);
OV2640_WriteReg(0XC0,(width)>>3&0XFF); //<2F><><EFBFBD><EFBFBD>HSIZE<5A><45>10:3λ
OV2640_WriteReg(0XC1,(height)>>3&0XFF); //<2F><><EFBFBD><EFBFBD>VSIZE<5A><45>10:3λ
temp=(width&0X07)<<3;
temp|=height&0X07;
temp|=(width>>4)&0X80;
OV2640_WriteReg(0X8C,temp);
OV2640_WriteReg(0XE0,0X00);
return 0;
}
/**δ<><CEB4><EFBFBD><EFBFBD>*/
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param sx,sy,<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>ַ
width,height:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD>Ӧ:horizontal)<EFBFBD>͸߶<EFBFBD>(<EFBFBD><EFBFBD>Ӧ:vertical)
* @retval 0,<EFBFBD><EFBFBD><EFBFBD>óɹ<EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD>
*/
void OV2640_Window_Set(u16 sx,u16 sy,u16 width,u16 height)
{
u16 endx;
u16 endy;
u8 temp;
endx=sx+width/2; //V*2
endy=sy+height/2;
OV2640_WriteReg(0XFF,0X01);
temp = OV2640_ReadReg(0X03); //<2F><>ȡVref֮ǰ<D6AE><C7B0>ֵ
temp&=0XF0;
temp|=((endy&0X03)<<2)|(sy&0X03);
OV2640_WriteReg(0X03,temp); //<2F><><EFBFBD><EFBFBD>Vref<65><66>start<72><74>end<6E><64><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2λ
OV2640_WriteReg(0X19,sy>>2); //<2F><><EFBFBD><EFBFBD>Vref<65><66>start<72><74>8λ
OV2640_WriteReg(0X1A,endy>>2); //<2F><><EFBFBD><EFBFBD>Vref<65><66>end<6E>ĸ<EFBFBD>8λ
temp = OV2640_ReadReg(0X32); //<2F><>ȡHref֮ǰ<D6AE><C7B0>ֵ
temp&=0XC0;
temp|=((endx&0X07)<<3)|(sx&0X07);
OV2640_WriteReg(0X32,temp); //<2F><><EFBFBD><EFBFBD>Href<65><66>start<72><74>end<6E><64><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3λ
OV2640_WriteReg(0X17,sx>>3); //<2F><><EFBFBD><EFBFBD>Href<65><66>start<72><74>8λ
OV2640_WriteReg(0X18,endx>>3); //<2F><><EFBFBD><EFBFBD>Href<65><66>end<6E>ĸ<EFBFBD>8λ
}
//δ<><CEB4><EFBFBD><EFBFBD>
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD>񿪴<EFBFBD><EFBFBD><EFBFBD>С
<EFBFBD><EFBFBD>:OV2640_ImageSize_Setȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD>ʴӴ<EFBFBD>С.
<EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>п<EFBFBD><EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD>OV2640_OutSize_Set<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ע<EFBFBD><EFBFBD>:<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>Ⱥ͸߶<EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD>OV2640_OutSize_Set<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>Ⱥ͸߶<EFBFBD>
OV2640_OutSize_Set<EFBFBD><EFBFBD><EFBFBD>õĿ<EFBFBD><EFBFBD>Ⱥ͸߶<EFBFBD>,<EFBFBD><EFBFBD><EFBFBD>ݱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õĿ<EFBFBD><EFBFBD>Ⱥ͸߶<EFBFBD>,<EFBFBD><EFBFBD>DSP
<EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ⲿ<EFBFBD>豸.
* @param width,height:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD>Ӧ:horizontal)<EFBFBD>͸߶<EFBFBD>(<EFBFBD><EFBFBD>Ӧ:vertical),width<EFBFBD><EFBFBD>height<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>4<EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD>
* @retval 0,<EFBFBD><EFBFBD><EFBFBD>óɹ<EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD>
*/
u8 OV2640_ImageWin_Set(u16 offx,u16 offy,u16 width,u16 height)
{
u16 hsize;
u16 vsize;
u8 temp;
if(width%4)return 1;
if(height%4)return 2;
hsize=width/4;
vsize=height/4;
OV2640_WriteReg(0XFF,0X00);
OV2640_WriteReg(0XE0,0X04);
OV2640_WriteReg(0X51,hsize&0XFF); //<2F><><EFBFBD><EFBFBD>H_SIZE<5A>ĵͰ<C4B5>λ
OV2640_WriteReg(0X52,vsize&0XFF); //<2F><><EFBFBD><EFBFBD>V_SIZE<5A>ĵͰ<C4B5>λ
OV2640_WriteReg(0X53,offx&0XFF); //<2F><><EFBFBD><EFBFBD>offx<66>ĵͰ<C4B5>λ
OV2640_WriteReg(0X54,offy&0XFF); //<2F><><EFBFBD><EFBFBD>offy<66>ĵͰ<C4B5>λ
temp=(vsize>>1)&0X80;
temp|=(offy>>4)&0X70;
temp|=(hsize>>5)&0X08;
temp|=(offx>>8)&0X07;
OV2640_WriteReg(0X55,temp); //<2F><><EFBFBD><EFBFBD>H_SIZE/V_SIZE/OFFX,OFFY<46>ĸ<EFBFBD>λ
OV2640_WriteReg(0X57,(hsize>>2)&0X80); //<2F><><EFBFBD><EFBFBD>H_SIZE/V_SIZE/OFFX,OFFY<46>ĸ<EFBFBD>λ
OV2640_WriteReg(0XE0,0X00);
return 0;
}
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>OV2640ΪUXGAģʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
* @param None
* @retval None
*/
void OV2640_UXGAConfig(void)
{
uint32_t i;
/*<2A><><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7>λ*/
OV2640_Reset();
/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>μĴ<CEBC><C4B4><EFBFBD>д<EFBFBD>룬ȷ<EBA3AC><C8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
(<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>IIC<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߸<EFBFBD><EFBFBD>Žϴ󣬱<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)*/
/* д<><D0B4><EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
for(i=0; i<(sizeof(OV2640_UXGA)/2); i++)
{
OV2640_WriteReg(OV2640_UXGA[i][0], OV2640_UXGA[i][1]);
}
// /* Initialize OV2640 */
// for(i=0; i<(sizeof(OV2640_UXGA)/2); i++)
// {
// OV2640_WriteReg(OV2640_UXGA[i][0], OV2640_UXGA[i][1]);
// }
// /* Initialize OV2640 */
// for(i=0; i<(sizeof(OV2640_UXGA)/2); i++)
// {
// OV2640_WriteReg(OV2640_UXGA[i][0], OV2640_UXGA[i][1]);
// }
/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>С*/
OV2640_OutSize_Set(img_width,img_height);
}
/**
* @brief Configures the OV2640 camera in JPEG mode.
* @param JPEGImageSize: JPEG image size
* @retval None
*/
void OV2640_JPEGConfig(ImageFormat_TypeDef ImageFormat)
{
uint32_t i;
OV2640_Reset();
Delay(200);
/* Initialize OV2640 */
for(i=0; i<(sizeof(OV2640_JPEG_INIT)/2); i++)
{
OV2640_WriteReg(OV2640_JPEG_INIT[i][0], OV2640_JPEG_INIT[i][1]);
}
/* Set to output YUV422 */
for(i=0; i<(sizeof(OV2640_YUV422)/2); i++)
{
OV2640_WriteReg(OV2640_YUV422[i][0], OV2640_YUV422[i][1]);
}
OV2640_WriteReg(0xff, 0x01);
OV2640_WriteReg(0x15, 0x00);
/* Set to output JPEG */
for(i=0; i<(sizeof(OV2640_JPEG)/2); i++)
{
OV2640_WriteReg(OV2640_JPEG[i][0], OV2640_JPEG[i][1]);
}
Delay(100);
switch(ImageFormat)
{
case JPEG_160x120:
{
for(i=0; i<(sizeof(OV2640_160x120_JPEG)/2); i++)
{
OV2640_WriteReg(OV2640_160x120_JPEG[i][0], OV2640_160x120_JPEG[i][1]);
}
break;
}
case JPEG_176x144:
{
for(i=0; i<(sizeof(OV2640_176x144_JPEG)/2); i++)
{
OV2640_WriteReg(OV2640_176x144_JPEG[i][0], OV2640_176x144_JPEG[i][1]);
}
break;
}
case JPEG_320x240:
{
for(i=0; i<(sizeof(OV2640_320x240_JPEG)/2); i++)
{
OV2640_WriteReg(OV2640_320x240_JPEG[i][0], OV2640_320x240_JPEG[i][1]);
}
break;
}
case JPEG_352x288:
{
for(i=0; i<(sizeof(OV2640_352x288_JPEG)/2); i++)
{
OV2640_WriteReg(OV2640_352x288_JPEG[i][0], OV2640_352x288_JPEG[i][1]);
}
break;
}
default:
{
for(i=0; i<(sizeof(OV2640_160x120_JPEG)/2); i++)
{
OV2640_WriteReg(OV2640_160x120_JPEG[i][0], OV2640_160x120_JPEG[i][1]);
}
break;
}
}
}
/**
* @brief <EFBFBD><EFBFBD><EFBFBD>ù<EFBFBD><EFBFBD><EFBFBD>ģʽ
* @param <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
* 0x00 Auto <EFBFBD>Զ<EFBFBD>
* 0x01 Sunny <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 0x02 Cloudy <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 0x03 Office <EFBFBD>칫<EFBFBD><EFBFBD>
* 0x04 Home <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @retval None
*/
void OV2640_LightMode(uint8_t mode)
{
switch(mode)
{
case 0: //Auto
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0xc7, 0x00); //AWB on
break;
case 1: //Sunny
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0xc7, 0x40); //AWB off
OV2640_WriteReg(0xcc, 0x5e);
OV2640_WriteReg(0xcd, 0x41);
OV2640_WriteReg(0xce, 0x54);
break;
case 2: //Cloudy
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0xc7, 0x40); //AWB off
OV2640_WriteReg(0xcc, 0x65);
OV2640_WriteReg(0xcd, 0x41);
OV2640_WriteReg(0xce, 0x4f);
break;
case 3: //Office
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0xc7, 0x40); //AWB off
OV2640_WriteReg(0xcc, 0x52);
OV2640_WriteReg(0xcd, 0x41);
OV2640_WriteReg(0xce, 0x66);
break;
case 4: //Home
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0xc7, 0x40); //AWB off
OV2640_WriteReg(0xcc, 0x42);
OV2640_WriteReg(0xcd, 0x3f);
OV2640_WriteReg(0xce, 0x71);
break;
}
}
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD>
* @param <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
* 0x00 Antique <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 0x01 Bluish ƫ<EFBFBD><EFBFBD>
* 0x02 Greenish ƫ<EFBFBD><EFBFBD>
* 0x03 Reddish ƫ<EFBFBD><EFBFBD>
* 0x04 B&W <EFBFBD>ڰ<EFBFBD>
* 0x05 Negative <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* 0x06 B&W negative <EFBFBD>ڰ׷<EFBFBD><EFBFBD><EFBFBD>
* 0x07 Normal <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @retval None
*/
void OV2640_SpecialEffects(uint8_t mode)
{
switch(mode)
{
case 0:
// Antique
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0x7c, 0x00);
OV2640_WriteReg(0x7d, 0x18);
OV2640_WriteReg(0x7c, 0x05);
OV2640_WriteReg(0x7d, 0x40);
OV2640_WriteReg(0x7d, 0xa6);
break;
case 1:
//Bluish
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0x7c, 0x00);
OV2640_WriteReg(0x7d, 0x18);
OV2640_WriteReg(0x7c,0x05);
OV2640_WriteReg(0x7d, 0xa0);
OV2640_WriteReg(0x7d, 0x40);
break;
case 2:
//Greenish
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0x7c, 0x00);
OV2640_WriteReg(0x7d, 0x18);
OV2640_WriteReg(0x7c, 0x05);
OV2640_WriteReg(0x7d, 0x40);
OV2640_WriteReg(0x7d, 0x40);
break;
case 3:
// Reddish
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0x7c, 0x00);
OV2640_WriteReg(0x7d, 0x18);
OV2640_WriteReg(0x7c, 0x05);
OV2640_WriteReg(0x7d, 0x40);
OV2640_WriteReg(0x7d, 0xc0);
break;
case 4:
// B&W
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0x7c, 0x00);
OV2640_WriteReg(0x7d, 0x18);
OV2640_WriteReg(0x7c, 0x05);
OV2640_WriteReg(0x7d, 0x80);
OV2640_WriteReg(0x7d, 0x80);
break;
case 5:
//Negative
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0x7c, 0x00);
OV2640_WriteReg(0x7d, 0x40);
OV2640_WriteReg(0x7c, 0x05);
OV2640_WriteReg(0x7d, 0x80);
OV2640_WriteReg(0x7d, 0x80);
break;
case 6:
//B&W negative
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0x7c, 0x00);
OV2640_WriteReg(0x7d, 0x58);
OV2640_WriteReg(0x7c, 0x05);
OV2640_WriteReg(0x7d, 0x80);
OV2640_WriteReg(0x7d, 0x80);
break;
case 7:
//Normal
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0x7c, 0x00);
OV2640_WriteReg(0x7d, 0x00);
OV2640_WriteReg(0x7c, 0x05);
OV2640_WriteReg(0x7d, 0x80);
OV2640_WriteReg(0x7d, 0x80);
break;
}
}
/**
* @brief Configures the OV2640 camera brightness.
* @param Brightness: Brightness value, where Brightness can be:
* 0x40 for Brightness +2,
* 0x30 for Brightness +1,
* 0x20 for Brightness 0,
* 0x10 for Brightness -1,
* 0x00 for Brightness -2,
* @retval None
*/
void OV2640_BrightnessConfig(uint8_t Brightness)
{
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0x7c, 0x00);
OV2640_WriteReg(0x7d, 0x04);
OV2640_WriteReg(0x7c, 0x09);
OV2640_WriteReg(0x7d, Brightness);
OV2640_WriteReg(0x7d, 0x00);
}
/**
* @brief Configures the OV2640 camera Black and white mode.
* @param BlackWhite: BlackWhite value, where BlackWhite can be:
* 0x18 for B&W,
* 0x40 for Negative,
* 0x58 for B&W negative,
* 0x00 for Normal,
* @retval None
*/
void OV2640_BandWConfig(uint8_t BlackWhite)
{
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0x7c, 0x00);
OV2640_WriteReg(0x7d, BlackWhite);
OV2640_WriteReg(0x7c, 0x05);
OV2640_WriteReg(0x7d, 0x80);
OV2640_WriteReg(0x7d, 0x80);
}
/**
* @brief Configures the OV2640 camera color effects.
* @param value1: Color effects value1
* @param value2: Color effects value2
* where value1 and value2 can be:
* value1 = 0x40, value2 = 0xa6 for Antique,
* value1 = 0xa0, value2 = 0x40 for Bluish,
* value1 = 0x40, value2 = 0x40 for Greenish,
* value1 = 0x40, value2 = 0xc0 for Reddish,
* @retval None
*/
void OV2640_ColorEffectsConfig(uint8_t value1, uint8_t value2)
{
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0x7c, 0x00);
OV2640_WriteReg(0x7d, 0x18);
OV2640_WriteReg(0x7c, 0x05);
OV2640_WriteReg(0x7d, value1);
OV2640_WriteReg(0x7d, value2);
}
/**
* @brief Configures the OV2640 camera contrast.
* @param value1: Contrast value1
* @param value2: Contrast value2
* where value1 and value2 can be:
* value1 = 0x28, value2 = 0x0c for Contrast +2,
* value1 = 0x24, value2 = 0x16 for Contrast +1,
* value1 = 0x20, value2 = 0x20 for Contrast 0,
* value1 = 0x1c, value2 = 0x2a for Contrast -1,
* value1 = 0x18, value2 = 0x34 for Contrast -2,
* @retval None
*/
void OV2640_ContrastConfig(uint8_t value1, uint8_t value2)
{
OV2640_WriteReg(0xff, 0x00);
OV2640_WriteReg(0x7c, 0x00);
OV2640_WriteReg(0x7d, 0x04);
OV2640_WriteReg(0x7c, 0x07);
OV2640_WriteReg(0x7d, 0x20);
OV2640_WriteReg(0x7d, value1);
OV2640_WriteReg(0x7d, value2);
OV2640_WriteReg(0x7d, 0x06);
}
/**
* @brief ֡ͬ<EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
* @param None
* @retval None
*/
void HAL_DCMI_VsyncEventCallback(DCMI_HandleTypeDef *hdcmi)
{
fps++; //֡<>ʼ<EFBFBD><CABC><EFBFBD>
OV2640_DMA_Config(LCD_FB_START_ADDRESS,LCD_GetXSize()*LCD_GetYSize()/2);
}
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