Misc updates

-optimizations from Borti
-more code refactoring
-fix build warnings
-change scanline mode logic

software/sys_controller/it6613/HDMI_TX.c

@@ -1,5 +1,6 @@
 //#include "terasic_includes.h"
 //#include "mcu.h"
+#include <unistd.h>
 #include "it6613_sys.h"
 #include "hdmitx.h"
 #include "HDMI_TX.h"

software/sys_controller/it6613/hdmitx.h

@@ -78,6 +78,8 @@ HDCP_ResumeAuthentication()
 }
 #endif
 
+void DelayMS(unsigned int ms);
+
 //#include "edid.h"
 // #include "dss_sha.h"
 #include "it6613_drv.h"

software/sys_controller/it6613/it6613.c

@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <unistd.h>
+#include "sysconfig.h"
 #include "system.h"
 #include "i2c_opencores.h"
 #include "it6613.h"

software/sys_controller/it6613/it6613_drv.c

@@ -1225,7 +1225,7 @@ SetInputMode(BYTE InputMode,BYTE bInputSignalType)
 static void
 SetCSCScale(BYTE bInputMode,BYTE bOutputMode)
 {
-    BYTE ucData,csc ;
+    BYTE ucData,csc=0 ;
     BYTE filter = 0 ; // filter is for Video CTRL DN_FREE_GO,EN_DITHER,and ENUDFILT
 
 

software/sys_controller/it6613/it6613_sys.c

@@ -279,7 +279,7 @@ HDMITX_ChangeDisplayOption(HDMI_Video_Type OutputVideoTiming, HDMI_OutputColorMo
         bInputColorMode &= ~F_VIDMODE_ITU709 ;
     }
     
-    if( Colorimetry != HDMI_640x480p60)
+    if( OutputVideoTiming != HDMI_640x480p60)
     {
         bInputColorMode |= F_VIDMODE_16_235 ;
     }
@@ -377,7 +377,7 @@ ParseEDID()
     // collect the EDID ucdata of segment 0
     BYTE CheckSum ;
     BYTE BlockCount ;
-    BOOL err ;
+    BOOL err = FALSE ;
     BOOL bValidCEA = FALSE ;
     int i ;