added functions to read and write registers directly

3 files changed, 44 insertions, 1 deletions

diff --git a/HISTORY b/HISTORY
index daf9c25..a48ddb8 100644
--- a/HISTORY
+++ b/HISTORY
@@ -241,4 +241,5 @@ NOTE: I havent found time to include all of the languages, will be done in pre2
 - added many comments into source
 - using doxygen for docs
 - cDxr3Interface::ConfigureDevice(): we get now videomode from driver and set only a 
-  new one, if the wanted one is different to the driver defaults one.
\ No newline at end of file
+  new one, if the wanted one is different to the driver defaults one.
+- added functions to read and write registers directly with the plugin
\ No newline at end of file
diff --git a/dxr3interface.c b/dxr3interface.c
index 6562a3c..25abc77 100644
--- a/dxr3interface.c
+++ b/dxr3interface.c
@@ -1162,5 +1162,40 @@ void cDxr3Interface::SetSaturation(int value)
 	} 
 }
 
+// access registers
+// ==================================
+//! read a register
+long cDxr3Interface::ReadRegister(int registernum)
+{
+	em8300_register_t reg;
+	
+	reg.microcode_register = 0;
+	reg.reg = registernum;
+	reg.val = 0;
+	
+	ioctl(m_fdControl, EM8300_IOCTL_READREG, &reg);
+	return (reg.val);	
+}
+
+// ==================================
+//! write a register
+void cDxr3Interface::WriteRegister(int registernum, int val)
+{
+	em8300_register_t reg;
+	
+	reg.microcode_register = 0;
+	reg.reg = registernum;
+	reg.val = val;
+	ioctl(m_fdControl, EM8300_IOCTL_WRITEREG, &reg);
+}
+
+// maybe we should copy this routine into em8300 driver
+// ==================================
+// 
+void cDxr3Interface::Dxr3CopyYUVData(int pos, int *dst, int length)
+{
+	
+}
+
 // ==================================
 cMutex* cDxr3Interface::m_pMutex = new cMutex;
diff --git a/dxr3interface.h b/dxr3interface.h
index 6c592dd..cfd69ca 100644
--- a/dxr3interface.h
+++ b/dxr3interface.h
@@ -136,6 +136,13 @@ private:
 	void ResampleVolume(short* pcmbuf, int size);
 	void Resuscitation();
 
+	// access registers
+	long ReadRegister(int registernum);
+	void WriteRegister(int registernum, int val);
+
+	// maybe we should copy this routine into em8300 driver
+	void Dxr3CopyYUVData(int pos, int *dst, int length);
+
 protected:
     static cMutex* m_pMutex;				///< mutex for dxr3interface