It is only writing and initialization.
Dependents: ov7670_dma_nucleo_f4 NUCLEO-F446RE_testDCMI
SCCB.cpp
- Committer:
- tmnt
- Date:
- 2016-04-29
- Revision:
- 0:754d49cac336
File content as of revision 0:754d49cac336:
#include <mbed.h> #include "SCCB.h" ov7670_sccb::ov7670_sccb(PinName _SDA,PinName _SCL) : SDA(_SDA),SCL(_SCL) {} void ov7670_sccb::I2cstart(void) { SDA=1;SCL=1; /* SCL,SDAは常時Highとする */ wait_us(2); SDA=0; wait_us(2); // SDA出力 } void ov7670_sccb::I2cstop(void) { SCL=0; // 先にSDA Low wait_us(2); SDA=0; // SCL Low wait_us(2); SCL=1; // SDA Low // 出力モードに戻す SDA =Low wait_us(2); SDA=1; // 先にSCLをHigh wait_us(2); // 後からSDAをHigh } void ov7670_sccb::I2cout(unsigned char datar) { int ia; for(ia=0;ia<8;ia++){ SCL=0; if(datar & 0x80){SDA=1;} else SDA=0; datar<<=1; wait_us(1); SCL=1; wait_us(2); SCL=0; wait_us(1);//wait(); } wait_us(1); SCL=1; datar<<=1; wait_us(2); SCL=0; wait_us(1); } void ov7670_sccb:: c(unsigned char adrs,unsigned char datak) { I2cstart(); I2cout(0x42); I2cout(adrs); I2cout(datak); I2cstop(); wait_ms(10); } void ov7670_sccb::cam_init(){ c(REG_COM7, COM7_RESET); //0x12:COM7(Reset,QCIF,Cbar,RGBformat) wait_ms(200); //200ms c(REG_COM7,COM7_RGB|COM7_FMT_QCIF); //0x12:COM7 , 0x0C) //QCIF, RGB c(REG_RGB444, 0x00); //0x8c:RGB 444 control c(REG_COM1, 0x00); //0x40 //0x04:COM1(CCIR656,AEC) //0) //0x40) c(REG_COM15, COM15_R01FE|COM15_RGB565); //0x40:COM15 c(REG_COM9, 0x68); // 38 0x14:COM9=max AGC gain ceiling, Freeze AGC/AEC //c(0x3d,0xc3); //(REG_COM13, COM13_GAMMA|COM13_UVSAT|0x2) //0x3d:COM13 c(REG_HAECC7,0x94); //0xaa:Hist AEC/AGC control 7 c(0xAA,0x94) //AEC algorithm c(REG_TSLB,0x04); //0x3a:Neg,UVval,YUYV,window TSLB_YLAST) //0x04) //0x0C) //0x80) //0x00) //0x04) c(0x20,0x04); //ADCCTR0, A/D range&ref, mu0102 /******* ringo *********/ c(REG_COM8,0xfd); //AGC,AWB OFF,res OK c(0x10,0x0f);//AECコントロール(中位ビット) c(0x07,0x00);//AECコントロール(上位ビット) //by Mr.Shiono c(0x01,0x40); c(0x02,0x60); c(0x03,0x0a); c(0x0c,0x00); c(0x0e,0x61); c(0x0f,0x4b); c(0x15,0x00); c(0x16,0x02); c(0x17,0x18); //HSTART c(0x18,0x01); c(0x19,0x02); c(0x1a,0x7a); c(0x1e,0x07); c(0x21,0x02); c(0x22,0x91); c(0x29,0x07); c(0x32,0xb6); c(0x33,0x0b); c(0x34,0x11); c(0x35,0x0b); c(0x37,0x1d); c(0x38,0x71); c(0x39,0x2a); c(0x3b,0x92);//com11 ナイトモード c(0x3c,0x78); c(0x3d,0xc3); c(0x3e,0x00); c(0x3f,0x00); c(0x41,0x08); c(0x41,0x38); c(0x43,0x0a); c(0x44,0xf0); c(0x45,0x34); c(0x46,0x58); c(0x47,0x28); c(0x48,0x3a); c(0x4b,0x09); c(0x4c,0x00); c(0x4d,0x40); c(0x4e,0x20); c(0x4f,0x80);//c(0x4f,0x80); 彩度調整 c(0x50,0x80);//c(0x50,0x80); c(0x51,0x00); c(0x52,0x22);//c(0x52,0x22); c(0x53,0x5e);//c(0x52,0x5e); c(0x54,0x80);//c(0x54,0x80); c(0x56,0x40); c(0x58,0x9e); c(0x59,0x88); c(0x5a,0x88); c(0x5b,0x44); c(0x5c,0x67); c(0x5d,0x49); c(0x5e,0x0e); c(0x69,0x00); c(0x6a,0x40); c(0x6b,0x0a); c(0x6c,0x0a); c(0x6d,0x55); c(0x6e,0x11); c(0x6f,0x9f); c(0x70,0x3a); c(0x71,0x35); c(0x72,0x11); c(0x73,0xf0); c(0x74,0x10); c(0x75,0x05); c(0x76,0xe1); c(0x77,0x01); c(0x78,0x04); c(0x79,0x01); c(0x8d,0x4f); c(0x8e,0x00); c(0x8f,0x00); c(0x90,0x00); c(0x91,0x00); c(0x96,0x00); c(0x96,0x00); //? c(0x97,0x30); c(0x98,0x20); c(0x99,0x30); c(0x9a,0x00); c(0x9a,0x84); //? c(0x9b,0x29); c(0x9c,0x03); c(0x9d,0x4c); c(0x9e,0x3f); c(0xa2,0x02); c(0xa4,0x88); c(0xb0,0x84); c(0xb1,0x0c); c(0xb2,0x0e); c(0xb3,0x82); c(0xb8,0x0a); c(0xc8,0xf0); c(0xc9,0x60); c(0x6b,0x40);//入力クロックx4 c(REG_CLKRC,0x40); //0xaf //PCLK*(1/48) }