Sumio Morioka
First release
Dependencies: EthernetInterface HTTPServer TextLCD mbed-rpc mbed-rtos mbed
Sample code of section 5 in Oct 2014 issue of the Interface Magazine, published by CQ publishing in Japan. CQ出版社インターフェース誌 2014年10月号5章に掲載のサンプルコードです．
LPC1768にトラ技OV7670モジュールとサーボを接続したうえで，リモート操作可能なネットワーク・カメラにしています．このコードのうちカメラ制御部には，Sadaei Osakabe氏のコードを流用させていただいています．
また，次のHTMLファイルをダウンロードして，LPC1768のフラッシュメモリに置いてください．ネットワーク経由で，このHTMLにアクセスをします（ブラウザで開く）． /media/uploads/smorioka/netcam.htm
Diff: ov7670reg.h
- Revision:
- 0:993f719c9352
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ov7670reg.h Tue Aug 26 16:49:26 2014 +0000 @@ -0,0 +1,259 @@ +// This code was written by Mr.Sadaei Osakabe. +// Original code is located at +// https://mbed.org/users/diasea/code/OV7670_with_AL422B_Color_Size_test/ + +// size register +#define REG_COM7 0x12 /* Control 7 */ +#define REG_HSTART 0x17 /* Horiz start high bits */ +#define REG_HSTOP 0x18 /* Horiz stop high bits */ +#define REG_HREF 0x32 /* HREF pieces */ +#define REG_VSTART 0x19 /* Vert start high bits */ +#define REG_VSTOP 0x1a /* Vert stop high bits */ +#define REG_VREF 0x03 /* Pieces of GAIN, VSTART, VSTOP */ +#define REG_COM3 0x0c /* Control 3 */ +#define REG_COM14 0x3e /* Control 14 */ +#define REG_SCALING_XSC 0x70 +#define REG_SCALING_YSC 0x71 +#define REG_SCALING_DCWCTR 0x72 +#define REG_SCALING_PCLK_DIV 0x73 +#define REG_SCALING_PCLK_DELAY 0xa2 + +// VGA setting +#define COM7_VGA 0x00 +#define HSTART_VGA 0x13 +#define HSTOP_VGA 0x01 +#define HREF_VGA 0x36 //0xb6 0x36 +#define VSTART_VGA 0x02 +#define VSTOP_VGA 0x7a +#define VREF_VGA 0x0a +#define COM3_VGA 0x00 +#define COM14_VGA 0x00 +#define SCALING_XSC_VGA 0x3a +#define SCALING_YSC_VGA 0x35 +#define SCALING_DCWCTR_VGA 0x11 +#define SCALING_PCLK_DIV_VGA 0xf0 +#define SCALING_PCLK_DELAY_VGA 0x02 + +// QVGA setting +#define COM7_QVGA 0x00 +#define HSTART_QVGA 0x16 +#define HSTOP_QVGA 0x04 +#define HREF_QVGA 0x00 +#define VSTART_QVGA 0x02 +#define VSTOP_QVGA 0x7a +#define VREF_QVGA 0x0a +#define COM3_QVGA 0x04 +#define COM14_QVGA 0x19 +#define SCALING_XSC_QVGA 0x3a +#define SCALING_YSC_QVGA 0x35 +#define SCALING_DCWCTR_QVGA 0x11 +#define SCALING_PCLK_DIV_QVGA 0xf1 +#define SCALING_PCLK_DELAY_QVGA 0x02 + +// QQVGA setting +#define COM7_QQVGA 0x00 +#define HSTART_QQVGA 0x16 +#define HSTOP_QQVGA 0x04 +#define HREF_QQVGA 0xa4 //0x24? 0xa4? +#define VSTART_QQVGA 0x02 +#define VSTOP_QQVGA 0x7a +#define VREF_QQVGA 0x0a +#define COM3_QQVGA 0x04 +#define COM14_QQVGA 0x1a +#define SCALING_XSC_QQVGA 0x3a +#define SCALING_YSC_QQVGA 0x35 +#define SCALING_DCWCTR_QQVGA 0x22 +#define SCALING_PCLK_DIV_QQVGA 0xf2 +#define SCALING_PCLK_DELAY_QQVGA 0x02 + +// CIF setting no tested linux src 2.6.29-rc5 ov7670_soc.c +#define COM7_CIF 0x00 +#define HSTART_CIF 0x15 +#define HSTOP_CIF 0x0b +#define HREF_CIF 0xb6 +#define VSTART_CIF 0x03 +#define VSTOP_CIF 0x7b +#define VREF_CIF 0x02 +#define COM3_CIF 0x08 +#define COM14_CIF 0x11 +#define SCALING_XSC_CIF 0x3a +#define SCALING_YSC_CIF 0x35 +#define SCALING_DCWCTR_CIF 0x11 +#define SCALING_PCLK_DIV_CIF 0xf1 +#define SCALING_PCLK_DELAY_CIF 0x02 + +// QCIF setting no tested no tested linux src 2.6.29-rc5 ov7670_soc.c +#define COM7_QCIF 0x00 +#define HSTART_QCIF 0x39 +#define HSTOP_QCIF 0x03 +#define HREF_QCIF 0x80 +#define VSTART_QCIF 0x03 +#define VSTOP_QCIF 0x7b +#define VREF_QCIF 0x02 +#define COM3_QCIF 0x0c +#define COM14_QCIF 0x11 +#define SCALING_XSC_QCIF 0x3a +#define SCALING_YSC_QCIF 0x35 +#define SCALING_DCWCTR_QCIF 0x11 +#define SCALING_PCLK_DIV_QCIF 0xf1 +#define SCALING_PCLK_DELAY_QCIF 0x52 + +// YUV +#define REG_COM13 0x3d /* Control 13 */ +#define REG_TSLB 0x3a /* lots of stuff */ + +#define COM7_YUV 0x00 /* YUV */ +#define COM13_UV 0x00 /* U before V - w/TSLB */ +#define COM13_UVSWAP 0x01 /* V before U - w/TSLB */ +#define TSLB_VLAST 0x00 /* YUYV - see com13 */ +#define TSLB_ULAST 0x00 /* YVYU - see com13 */ +#define TSLB_YLAST 0x08 /* UYVY or VYUY - see com13 */ + +// RGB +#define COM7_RGB 0x04 /* bits 0 and 2 - RGB format */ + +// RGB444 +#define REG_RGB444 0x8c /* RGB 444 control */ +#define REG_COM15 0x40 /* Control 15 */ + +#define RGB444_ENABLE 0x02 /* Turn on RGB444, overrides 5x5 */ +#define RGB444_XBGR 0x00 +#define RGB444_BGRX 0x01 /* Empty nibble at end */ +#define COM15_RGB444 0x10 /* RGB444 output */ + +// RGB555 +#define RGB444_DISABLE 0x00 /* Turn off RGB444, overrides 5x5 */ +#define COM15_RGB555 0x30 /* RGB555 output */ + +// RGB565 +#define COM15_RGB565 0x10 /* RGB565 output */ + +// Bayer RGB +#define COM7_BAYER 0x01 /* Bayer format */ +#define COM7_PBAYER 0x05 /* "Processed bayer" */ + + +// data format +#define COM15_R10F0 0x00 /* Data range 10 to F0 */ +#define COM15_R01FE 0x80 /* 01 to FE */ +#define COM15_R00FF 0xc0 /* 00 to FF */ + +// Night mode, flicker, banding / +#define REG_COM11 0x3b /* Control 11 */ +#define COM11_NIGHT 0x80 /* NIght mode enable */ +#define COM11_NIGHT_MIN_RATE_1_1 0x00 /* Normal mode same */ +#define COM11_NIGHT_MIN_RATE_1_2 0x20 /* Normal mode 1/2 */ +#define COM11_NIGHT_MIN_RATE_1_4 0x40 /* Normal mode 1/4 */ +#define COM11_NIGHT_MIN_RATE_1_8 0x60 /* Normal mode 1/5 */ +#define COM11_HZAUTO_ON 0x10 /* Auto detect 50/60 Hz on */ +#define COM11_HZAUTO_OFF 0x00 /* Auto detect 50/60 Hz off */ +#define COM11_60HZ 0x00 /* Manual 60Hz select */ +#define COM11_50HZ 0x08 /* Manual 50Hz select */ +#define COM11_EXP 0x02 + +#define REG_MTX1 0x4f +#define REG_MTX2 0x50 +#define REG_MTX3 0x51 +#define REG_MTX4 0x52 +#define REG_MTX5 0x53 +#define REG_MTX6 0x54 +#define REG_BRIGHT 0x55 /* Brightness */ +#define REG_CONTRAS 0x56 /* Contrast control */ +#define REG_CONTRAS_CENTER 0x57 +#define REG_MTXS 0x58 +#define REG_MANU 0x67 +#define REG_MANV 0x68 +#define REG_GFIX 0x69 /* Fix gain control */ +#define REG_GGAIN 0x6a +#define REG_DBLV 0x6b + +#define REG_COM9 0x14 // Control 9 - gain ceiling +#define COM9_AGC_2X 0x00 +#define COM9_AGC_4X 0x10 +#define COM9_AGC_8X 0x20 +#define COM9_AGC_16X 0x30 +#define COM9_AGC_32X 0x40 +#define COM9_AGC_64X 0x50 +#define COM9_AGC_128X 0x60 +#define COM9_AGC_MASK 0x70 +#define COM9_FREEZE 0x01 +#define COM13_GAMMA 0x80 /* Gamma enable */ +#define COM13_UVSAT 0x40 /* UV saturation auto adjustment */ +#define REG_GAIN 0x00 /* Gain lower 8 bits (rest in vref) */ +#define REG_BLUE 0x01 /* blue gain */ +#define REG_RED 0x02 /* red gain */ +#define REG_COM1 0x04 /* Control 1 */ +#define COM1_CCIR656 0x40 /* CCIR656 enable */ +#define REG_BAVE 0x05 /* U/B Average level */ +#define REG_GbAVE 0x06 /* Y/Gb Average level */ +#define REG_AECHH 0x07 /* AEC MS 5 bits */ +#define REG_RAVE 0x08 /* V/R Average level */ +#define REG_COM2 0x09 /* Control 2 */ +#define COM2_SSLEEP 0x10 /* Soft sleep mode */ +#define REG_PID 0x0a /* Product ID MSB */ +#define REG_VER 0x0b /* Product ID LSB */ +#define COM3_SWAP 0x40 /* Byte swap */ +#define COM3_SCALEEN 0x08 /* Enable scaling */ +#define COM3_DCWEN 0x04 /* Enable downsamp/crop/window */ +#define REG_COM4 0x0d /* Control 4 */ +#define REG_COM5 0x0e /* All "reserved" */ +#define REG_COM6 0x0f /* Control 6 */ +#define REG_AECH 0x10 /* More bits of AEC value */ +#define REG_CLKRC 0x11 /* Clocl control */ +#define CLK_EXT 0x40 /* Use external clock directly */ +#define CLK_SCALE 0x3f /* Mask for internal clock scale */ +#define COM7_RESET 0x80 /* Register reset */ +#define COM7_FMT_MASK 0x38 +#define COM7_FMT_VGA 0x00 +#define COM7_FMT_CIF 0x20 /* CIF format */ +#define COM7_FMT_QVGA 0x10 /* QVGA format */ +#define COM7_FMT_QCIF 0x08 /* QCIF format */ +#define REG_COM8 0x13 /* Control 8 */ +#define COM8_FASTAEC 0x80 /* Enable fast AGC/AEC */ +#define COM8_AECSTEP 0x40 /* Unlimited AEC step size */ +#define COM8_BFILT 0x20 /* Band filter enable */ +#define COM8_AGC 0x04 /* Auto gain enable */ +#define COM8_AWB 0x02 /* White balance enable */ +#define COM8_AEC 0x01 /* Auto exposure enable */ +#define REG_COM9 0x14 /* Control 9 - gain ceiling */ +#define REG_COM10 0x15 /* Control 10 */ +#define COM10_HSYNC 0x40 /* HSYNC instead of HREF */ +#define COM10_PCLK_HB 0x20 /* Suppress PCLK on horiz blank */ +#define COM10_HREF_REV 0x08 /* Reverse HREF */ +#define COM10_VS_LEAD 0x04 /* VSYNC on clock leading edge */ +#define COM10_VS_NEG 0x02 /* VSYNC negative */ +#define COM10_HS_NEG 0x01 /* HSYNC negative */ +#define REG_PSHFT 0x1b /* Pixel delay after HREF */ +#define REG_MIDH 0x1c /* Manuf. ID high */ +#define REG_MIDL 0x1d /* Manuf. ID low */ +#define REG_MVFP 0x1e /* Mirror / vflip */ +#define MVFP_MIRROR 0x20 /* Mirror image */ +#define MVFP_FLIP 0x10 /* Vertical flip */ +#define REG_AEW 0x24 /* AGC upper limit */ +#define REG_AEB 0x25 /* AGC lower limit */ +#define REG_VPT 0x26 /* AGC/AEC fast mode op region */ +#define REG_HSYST 0x30 /* HSYNC rising edge delay */ +#define REG_HSYEN 0x31 /* HSYNC falling edge delay */ +#define REG_COM12 0x3c /* Control 12 */ +#define COM12_HREF 0x80 /* HREF always */ +#define COM14_DCWEN 0x10 /* DCW/PCLK-scale enable */ +#define REG_EDGE 0x3f /* Edge enhancement factor */ +#define REG_COM16 0x41 /* Control 16 */ +#define COM16_AWBGAIN 0x08 /* AWB gain enable */ +#define REG_COM17 0x42 /* Control 17 */ +#define COM17_AECWIN 0xc0 /* AEC window - must match COM4 */ +#define COM17_CBAR 0x08 /* DSP Color bar */ +#define REG_CMATRIX_BASE 0x4f +#define CMATRIX_LEN 6 +#define REG_REG76 0x76 /* OV's name */ +#define R76_BLKPCOR 0x80 /* Black pixel correction enable */ +#define R76_WHTPCOR 0x40 /* White pixel correction enable */ +#define REG_HAECC1 0x9f /* Hist AEC/AGC control 1 */ +#define REG_HAECC2 0xa0 /* Hist AEC/AGC control 2 */ +#define REG_BD50MAX 0xa5 /* 50hz banding step limit */ +#define REG_HAECC3 0xa6 /* Hist AEC/AGC control 3 */ +#define REG_HAECC4 0xa7 /* Hist AEC/AGC control 4 */ +#define REG_HAECC5 0xa8 /* Hist AEC/AGC control 5 */ +#define REG_HAECC6 0xa9 /* Hist AEC/AGC control 6 */ +#define REG_HAECC7 0xaa /* Hist AEC/AGC control 7 */ +#define REG_BD60MAX 0xab /* 60hz banding step limit */