Sebastian Barrera / ov7670_lib

ov7670 library

Dependents:   Project_test Capture_bw_portin Capture_bw_v3 Project_190659132

ov7670.h@8:39ad588f56e5, 2020-08-31 (annotated)

Committer:
sebbarpar
Date:
Mon Aug 31 10:12:40 2020 +0000
Revision:
8:39ad588f56e5
Parent:
6:b1b77891bddf 
Final version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
edodm85 0:810d59d0b843 1 //
edodm85 0:810d59d0b843 2 // OV7670 library
edodm85 0:810d59d0b843 3 //
edodm85 0:810d59d0b843 4
edodm85 0:810d59d0b843 5 #pragma once
edodm85 0:810d59d0b843 6 #include "mbed.h"
edodm85 0:810d59d0b843 7 #include "ov7670reg.h"
edodm85 0:810d59d0b843 8
edodm85 0:810d59d0b843 9 #define OV7670_WRITE (0x42)
edodm85 0:810d59d0b843 10 #define OV7670_READ (0x43)
edodm85 0:810d59d0b843 11 #define OV7670_WRITEWAIT (20)
edodm85 0:810d59d0b843 12 #define OV7670_NOACK (0)
edodm85 0:810d59d0b843 13 #define OV7670_REGMAX (201)
edodm85 0:810d59d0b843 14 #define OV7670_I2CFREQ (100000)
edodm85 0:810d59d0b843 15
edodm85 0:810d59d0b843 16
edodm85 0:810d59d0b843 17 class OV7670
edodm85 0:810d59d0b843 18 {
edodm85 0:810d59d0b843 19 public:
sebbarpar 6:b1b77891bddf 20 PortIn data;
edodm85 0:810d59d0b843 21 OV7670(
edodm85 0:810d59d0b843 22 PinName sda, // Camera I2C port
edodm85 0:810d59d0b843 23 PinName scl, // Camera I2C port
edodm85 0:810d59d0b843 24 PinName vs, // VSYNC
edodm85 0:810d59d0b843 25 PinName hr, // HREF
edodm85 0:810d59d0b843 26 PinName we, // WEN
sebbarpar 6:b1b77891bddf 27 PortName port,
sebbarpar 6:b1b77891bddf 28 int mask,
edodm85 0:810d59d0b843 29 PinName rt, // /RRST
edodm85 0:810d59d0b843 30 PinName o, // /OE
edodm85 0:810d59d0b843 31 PinName rc // RCLK
edodm85 0:810d59d0b843 32 );
edodm85 0:810d59d0b843 33
edodm85 0:810d59d0b843 34 ~OV7670();
edodm85 0:810d59d0b843 35
edodm85 0:810d59d0b843 36 void CaptureNext(void); // capture request
edodm85 0:810d59d0b843 37 bool CaptureDone(void); // capture done? (with clear)
edodm85 0:810d59d0b843 38 void WriteReg(int addr,int data); // write to camera
edodm85 0:810d59d0b843 39 int ReadReg(int addr); // read from camera
edodm85 0:810d59d0b843 40 void Reset(void); // reset reg camera
edodm85 1:d82dbad9c06b 41 int Init(char c, int n); // init reg
edodm85 0:810d59d0b843 42 void VsyncHandler(void); // vsync handler
edodm85 0:810d59d0b843 43 void HrefHandler(void); // href handler
edodm85 0:810d59d0b843 44 int ReadOnebyte(void); // Data Read
edodm85 0:810d59d0b843 45 void ReadStart(void); // Data Start
edodm85 0:810d59d0b843 46 void ReadStop(void); // Data Stop
edodm85 0:810d59d0b843 47
edodm85 0:810d59d0b843 48
edodm85 0:810d59d0b843 49 private:
edodm85 0:810d59d0b843 50 I2C _i2c;
edodm85 0:810d59d0b843 51 InterruptIn vsync,href;
sebbarpar 6:b1b77891bddf 52 //BusIn data;
sebbarpar 6:b1b77891bddf 53
edodm85 0:810d59d0b843 54 DigitalOut wen;
edodm85 0:810d59d0b843 55 DigitalOut rrst,oe,rclk;
edodm85 0:810d59d0b843 56 volatile int LineCounter;
edodm85 0:810d59d0b843 57 volatile int LastLines;
edodm85 0:810d59d0b843 58 volatile bool CaptureReq;
edodm85 0:810d59d0b843 59 volatile bool Busy;
edodm85 0:810d59d0b843 60 volatile bool Done;
edodm85 0:810d59d0b843 61 };