angelo mottolese / OV7670_ok

ov7670 FIFO from Edoardo De Marchi

Dependents:   3D_Scanner_OV7670_

Fork of OV7670 with FIFO by angelo mottolese

OV7670.h@0:101fbacf126f, 2016-11-16 (annotated)

Committer:
rulla
Date:
Wed Nov 16 10:37:49 2016 +0000
Revision:
0:101fbacf126f
Child:
1:f5f5d7c979cf
11/2016

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rulla 0:101fbacf126f 1 #include "mbed.h"
rulla 0:101fbacf126f 2 #include "ov7670reg.h"
rulla 0:101fbacf126f 3
rulla 0:101fbacf126f 4 #define OV7670_WRITE (0x42)
rulla 0:101fbacf126f 5 #define OV7670_READ (0x43)
rulla 0:101fbacf126f 6 #define OV7670_WRITEWAIT (20)
rulla 0:101fbacf126f 7 #define OV7670_NOACK (0)
rulla 0:101fbacf126f 8 #define OV7670_REGMAX (201)
rulla 0:101fbacf126f 9 #define OV7670_I2CFREQ (50000)
rulla 0:101fbacf126f 10
rulla 0:101fbacf126f 11
rulla 0:101fbacf126f 12 //
rulla 0:101fbacf126f 13 // OV7670 + FIFO AL422B camera board test
rulla 0:101fbacf126f 14 //
rulla 0:101fbacf126f 15 class OV7670
rulla 0:101fbacf126f 16 {
rulla 0:101fbacf126f 17
rulla 0:101fbacf126f 18 public:
rulla 0:101fbacf126f 19 volatile int LineCounter ;
rulla 0:101fbacf126f 20 volatile int LastLines ;
rulla 0:101fbacf126f 21 volatile bool CaptureReq ;
rulla 0:101fbacf126f 22 volatile bool Busy ;
rulla 0:101fbacf126f 23 volatile bool Done ;
rulla 0:101fbacf126f 24 void CaptureNext(void);
rulla 0:101fbacf126f 25 bool CaptureDone(void);
rulla 0:101fbacf126f 26 void WriteReg(int addr,char data);
rulla 0:101fbacf126f 27 void Reset(void);
rulla 0:101fbacf126f 28 void test(void);
rulla 0:101fbacf126f 29 void InitQQVGA(void);
rulla 0:101fbacf126f 30 char ReadReg(int addr);
rulla 0:101fbacf126f 31 int ReadOneByte(void);
rulla 0:101fbacf126f 32 void ReadStart(void);
rulla 0:101fbacf126f 33 void ReadStop(void);
rulla 0:101fbacf126f 34 void VsyncHandler(void);
rulla 0:101fbacf126f 35 InterruptIn vsync;
rulla 0:101fbacf126f 36
rulla 0:101fbacf126f 37 OV7670(
rulla 0:101fbacf126f 38 PinName sda,// Camera I2C port
rulla 0:101fbacf126f 39 PinName scl,// Camera I2C port
rulla 0:101fbacf126f 40 PinName vs, // VSYNC
rulla 0:101fbacf126f 41 PinName hr, // HREF
rulla 0:101fbacf126f 42 PinName we, // WEN
rulla 0:101fbacf126f 43 PortName port, // 8bit bus port
rulla 0:101fbacf126f 44 int mask, // 0b0000_0M65_4000_0321_L000_0000_0000_0000 = 0x07878000
rulla 0:101fbacf126f 45 PinName rt, // /RRST
rulla 0:101fbacf126f 46 PinName o, // /OE
rulla 0:101fbacf126f 47 PinName rc // RCLK
rulla 0:101fbacf126f 48 ) : camera(sda,scl),vsync(vs),href(hr),wen(we),dataP(port,mask),rrst(rt),oe(o),rclk(rc)
rulla 0:101fbacf126f 49 {
rulla 0:101fbacf126f 50 //camera.stop() ;
rulla 0:101fbacf126f 51 camera.frequency(OV7670_I2CFREQ) ;
rulla 0:101fbacf126f 52 // camera.start() ;
rulla 0:101fbacf126f 53
rulla 0:101fbacf126f 54 CaptureReq = false ;
rulla 0:101fbacf126f 55 Busy = false ;
rulla 0:101fbacf126f 56 Done = false ;
rulla 0:101fbacf126f 57 LineCounter = 0 ;
rulla 0:101fbacf126f 58 rrst = 1 ;
rulla 0:101fbacf126f 59 oe = 1 ;
rulla 0:101fbacf126f 60 rclk = 1 ;
rulla 0:101fbacf126f 61 wen = 0 ;
rulla 0:101fbacf126f 62 vsync.rise(this,&OV7670::VsyncHandler) ;
rulla 0:101fbacf126f 63 }
rulla 0:101fbacf126f 64 protected:
rulla 0:101fbacf126f 65 I2C camera ;
rulla 0:101fbacf126f 66 DigitalIn href;
rulla 0:101fbacf126f 67 DigitalOut wen ;
rulla 0:101fbacf126f 68 PortIn dataP;
rulla 0:101fbacf126f 69 DigitalOut rrst,oe,rclk ;
rulla 0:101fbacf126f 70 };