Sebastian Barrera / ov7670_lib

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Dependents:   Project_test Capture_bw_portin Capture_bw_v3 Project_190659132

Files at this revision

API Documentation at this revision

Revision 6:b1b77891bddf, committed 2020-06-20

Comitter:
sebbarpar
Date:
Sat Jun 20 11:07:03 2020 +0000
Parent:
5:46b8114bb5dd
Child:
7:2ca4f55b5ac2
Child:
8:39ad588f56e5
Commit message:
uh

Changed in this revision

ov7670.cpp Show annotated file Show diff for this revision Revisions of this file
ov7670.h Show annotated file Show diff for this revision Revisions of this file 
--- a/ov7670.cpp	Mon Apr 06 10:07:45 2020 +0000
+++ b/ov7670.cpp	Sat Jun 20 11:07:03 2020 +0000
@@ -1,11 +1,12 @@
 #include "ov7670.h"   
 
     
-OV7670::OV7670(PinName sda, PinName scl, PinName vs, PinName hr, PinName we, PinName d7, PinName d6, PinName d5, PinName d4, PinName d3, PinName d2, PinName d1, PinName d0, PinName rt, PinName o, PinName rc) : _i2c(sda,scl),vsync(vs),href(hr),wen(we),data(d7,d6,d5,d4,d3,d2,d1,d0)/*da7(d7),da6(d6),da5(d5),da4(d4),da3(d3),da2(d2),da1(d1),da0(d0)*/,rrst(rt),oe(o),rclk(rc)
+OV7670::OV7670(PinName sda, PinName scl, PinName vs, PinName hr, PinName we, /*PinName d7, PinName d6, PinName d5, PinName d4, PinName d3, PinName d2, PinName d1, PinName d0,*/PortName port, int mask, PinName rt, PinName o, PinName rc) : _i2c(sda,scl),vsync(vs),href(hr),wen(we),/*data(d0,d1,d2,d3,d4,d5,d6,d7)*/data(port,mask),rrst(rt),oe(o),rclk(rc)
 {
         _i2c.stop();
         _i2c.frequency(OV7670_I2CFREQ);
         vsync.fall(this,&OV7670::VsyncHandler);     // interrupt fall edge
+        href.fall(this,&OV7670::HrefHandler);     // interrupt fall edge
         CaptureReq = false;
         Busy = false;
         Done = false;
@@ -16,7 +17,7 @@
         wen = 0;
 }
 
-
+int bit=0;
 OV7670::~OV7670()
 {
 }
@@ -48,7 +49,7 @@
 
 // vsync handler
 void OV7670::VsyncHandler(void)
-{ 
+{   
     // Capture Enable
     if (CaptureReq) 
     {
@@ -66,6 +67,11 @@
     }
 }
 
+void OV7670::HrefHandler(void)
+{
+    
+}
+
 
 // Data Read
 int OV7670:: ReadOnebyte(void)
@@ -74,6 +80,11 @@
         rclk = 1 ;
 //        wait_us(1) ;
         result = data ;
+        
+        int top= result>>4;
+        result=result&0x0F;
+        result=result+top;
+        
         rclk = 0 ;
         return result ;
     }

--- a/ov7670.h	Mon Apr 06 10:07:45 2020 +0000
+++ b/ov7670.h	Sat Jun 20 11:07:03 2020 +0000
@@ -17,13 +17,14 @@
 class OV7670
 {
     public:
-            
+        PortIn data;
         OV7670(
             PinName sda,    // Camera I2C port
             PinName scl,    // Camera I2C port
             PinName vs,     // VSYNC
             PinName hr,     // HREF
             PinName we,     // WEN
+            /*
             PinName d7, // D7
             PinName d6, // D6
             PinName d5, // D5
@@ -32,6 +33,9 @@
             PinName d2, // D2
             PinName d1, // D1
             PinName d0, // D0
+            */
+            PortName port,
+            int mask,
             PinName rt,     // /RRST
             PinName o,      // /OE
             PinName rc      // RCLK      
@@ -55,7 +59,8 @@
     private:
         I2C _i2c;
         InterruptIn vsync,href;
-        BusIn data;
+        //BusIn data;
+        
         DigitalOut wen;
         /*
         DigitalIn da7;