OV7670 Library
Dependents: OV7670_Test_Code OV7670_Test_Code_with_ethernet Practica4_Camara
You can find the original files here: http://mbed.org/users/mio/notebook/ov7670_with_al422b_qqvga_test/
Diff: ov7670.h
- Revision:
- 0:810d59d0b843
- Child:
- 1:d82dbad9c06b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ov7670.h Sun Mar 10 13:01:45 2013 +0000 @@ -0,0 +1,63 @@ +// +// OV7670 library +// + +#pragma once +#include "mbed.h" +#include "ov7670reg.h" + +#define OV7670_WRITE (0x42) +#define OV7670_READ (0x43) +#define OV7670_WRITEWAIT (20) +#define OV7670_NOACK (0) +#define OV7670_REGMAX (201) +#define OV7670_I2CFREQ (100000) + + +class OV7670 +{ + public: + + OV7670( + PinName sda, // Camera I2C port + PinName scl, // Camera I2C port + PinName vs, // VSYNC + PinName hr, // HREF + PinName we, // WEN + + PortName port, // 8bit bus port + int mask, // 0b0000_0M65_4000_0321_L000_0000_0000_0000 = 0x07878000 + + PinName rt, // /RRST + PinName o, // /OE + PinName rc // RCLK + ); + + ~OV7670(); + + void CaptureNext(void); // capture request + bool CaptureDone(void); // capture done? (with clear) + void WriteReg(int addr,int data); // write to camera + int ReadReg(int addr); // read from camera + void Reset(void); // reset reg camera + int Init(char c); // init reg + void VsyncHandler(void); // vsync handler + void HrefHandler(void); // href handler + int ReadOnebyte(void); // Data Read + void ReadStart(void); // Data Start + void ReadStop(void); // Data Stop + + + private: + I2C _i2c; + InterruptIn vsync,href; + + DigitalOut wen; + PortIn data; + DigitalOut rrst,oe,rclk; + volatile int LineCounter; + volatile int LastLines; + volatile bool CaptureReq; + volatile bool Busy; + volatile bool Done; +};