Igor Levkov
/
levkov_ov7670
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Fork of
ov7670
by 
Edoardo De Marchi
Revision 5:a940d64a408b, committed 2017-09-25
- Comitter:
- levkovigor
- Date:
- Mon Sep 25 12:38:33 2017 +0000
- Parent:
- 3:b40a945dd672
- Commit message:
- test
Changed in this revision
--- a/ov7670.cpp Sat Feb 15 15:00:37 2014 +0000
+++ b/ov7670.cpp Mon Sep 25 12:38:33 2017 +0000
@@ -1,7 +1,16 @@
#include "ov7670.h"
-OV7670::OV7670(PinName sda, PinName scl, PinName vs, PinName hr, PinName we, PortName port, int mask, PinName rt, PinName o, PinName rc) : _i2c(sda,scl),vsync(vs),href(hr),wen(we),data(port,mask),rrst(rt),oe(o),rclk(rc)
+//OV7670::OV7670(PinName sda, PinName scl, PinName vs, PinName hr, PinName we, PortName port, int mask, PinName rt, PinName o, PinName rc) : _i2c(sda,scl),vsync(vs),href(hr),wen(we),data(port,mask),rrst(rt),oe(o),rclk(rc)
+OV7670::OV7670(PinName sda, PinName scl, PinName vs, PinName hr, PinName we, PinName d7, // D7
+ PinName d6, // D6
+ PinName d5, // D5
+ PinName d4, // D4
+ PinName d3, // D3
+ PinName d2, // D2
+ PinName d1, // D1
+ PinName d0, // D0
+ PinName rt, PinName o, PinName rc) : _i2c(sda,scl),vsync(vs),href(hr),wen(we),data(d0,d1,d2,d3,d4,d5,d6,d7),rrst(rt),oe(o),rclk(rc)
{
_i2c.stop();
_i2c.frequency(OV7670_I2CFREQ);
@@ -70,14 +79,40 @@
// Data Read
int OV7670::ReadOnebyte(void)
{
- int B1;
+ /*int B1;
rclk = 1;
B1 = (((data&0x07800000)>>19)|((data&0x078000)>>15));
rclk = 0;
- return B1;
+ return B1; */
+
+ int result ;
+ rclk = 1 ;
+// wait_us(1) ;
+ result = data ;
+ rclk = 0 ;
+ return result ;
+
+
+ /*int result;
+ rclk = 1;
+ result = data;
+
+ // Shift the bits around to form the byte
+ int top = result >> 19; // Isolate the top nibble
+ int middle = result >> 2; // Isolate bits 2 & 3
+ result = result & 0x00000003; // Isolate bits 0 & 1
+
+ result += middle;
+ result += top;
+
+ rclk = 0;
+ return result;*/
+
+
}
+
// Data Start read from FIFO
void OV7670::ReadStart(void)
{
--- a/ov7670.h Sat Feb 15 15:00:37 2014 +0000
+++ b/ov7670.h Mon Sep 25 12:38:33 2017 +0000
@@ -18,7 +18,30 @@
{
public:
- OV7670(
+ 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 d7, // D7
+ PinName d6, // D6
+ PinName d5, // D5
+ PinName d4, // D4
+ PinName d3, // D3
+ PinName d2, // D2
+ PinName d1, // D1
+ PinName d0, // D0
+
+ PinName rt, // /RRST
+ PinName o, // /OE
+ PinName rc // RCLK
+ );
+
+ /*OV7670(
PinName sda, // Camera I2C port
PinName scl, // Camera I2C port
PinName vs, // VSYNC
@@ -32,7 +55,7 @@
PinName o, // /OE
PinName rc // RCLK
);
-
+ */
~OV7670();
void CaptureNext(void); // capture request
@@ -53,7 +76,8 @@
InterruptIn vsync,href;
DigitalOut wen;
- PortIn data;
+ //PortIn data;
+ BusIn data;
DigitalOut rrst,oe,rclk;
volatile int LineCounter;
volatile int LastLines;
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/zbar_010.lib Mon Sep 25 12:38:33 2017 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/RyoheiHagimoto/code/zbar_010/#500d42699c34