Diff: ov7670.h

Revision:

1:014b5716c47f

Parent:

0:d69a19a5c0ff

--- a/ov7670.h	Tue Feb 14 13:25:25 2012 +0000
+++ b/ov7670.h	Fri Apr 03 15:12:32 2020 +0000
@@ -11,14 +11,13 @@
 //
 // OV7670 + FIFO AL422B camera board test
 //
-class OV7670 : public Base
+class OV7670
 {
 public:
     I2C camera ;
     InterruptIn vsync,href;
-    DigitalOut wen ;
     BusIn data ;
-    DigitalOut rrst,oe,rclk ;
+    DigitalOut rrst,rclk ;
     volatile int LineCounter ;
     volatile int LastLines ;
     volatile bool CaptureReq ;
@@ -30,7 +29,6 @@
         PinName scl,// Camera I2C port
         PinName vs, // VSYNC
         PinName hr, // HREF
-        PinName we, // WEN
         PinName d7, // D7
         PinName d6, // D6
         PinName d5, // D5
@@ -40,9 +38,8 @@
         PinName d1, // D1
         PinName d0, // D0
         PinName rt, // /RRST
-        PinName o,  // /OE
         PinName rc  // RCLK      
-        ) : camera(sda,scl),vsync(vs),href(hr),wen(we),data(d0,d1,d2,d3,d4,d5,d6,d7),rrst(rt),oe(o),rclk(rc)
+        ) : camera(sda,scl),vsync(vs),href(hr),data(d0,d1,d2,d3,d4,d5,d6,d7),rrst(rt),rclk(rc)
     {
         camera.stop() ;
         camera.frequency(OV7670_I2CFREQ) ;
@@ -53,9 +50,7 @@
         Done = false ;
         LineCounter = 0 ;
         rrst = 1 ;
-        oe = 1 ;
         rclk = 1 ;
-        wen = 0 ;
     }
 
     // capture request
@@ -172,11 +167,9 @@
     {
         // Capture Enable
         if (CaptureReq) {
-            wen = 1 ;
             Done = false ;
             CaptureReq = false ;
         } else {
-            wen = 0 ;
             if (Busy) {
                 Busy = false ;
                 Done = true ;
@@ -209,7 +202,6 @@
     void ReadStart(void)
     {        
         rrst = 0 ;
-        oe = 0 ;
         wait_us(1) ;
         rclk = 0 ;
         wait_us(1) ;
@@ -221,7 +213,6 @@
     // Data Stop
     void ReadStop(void)
     {
-        oe = 1 ;
         ReadOneByte() ;
         rclk = 1 ;
     }