zynq-sandbox

commit 3ebf784ccbd3649a5340aa5dcc9af4e74ad468b2
parent a4419135c7fd3087fee9b7fe450b1037e1f7741f
Author: Brian Swetland <swetland@frotz.net>
Date:   Fri,  4 Jul 2014 03:49:11 -0700

hdmi_core: expose vblank indicator

Diffstat:
M
hdl/hdmi_core.sv
 | 
5
++++-
M
hdl/zybo_hdmi.sv
 | 
3
++-

2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/hdl/hdmi_core.sv b/hdl/hdmi_core.sv
@@ -29,7 +29,8 @@ module hdmi_core (
 	input [7:0]blu,
 	// core status
 	output [10:0]xpixel,
-	output [10:0]ypixel
+	output [10:0]ypixel,
+	output vblank
 	);
 
 parameter HWIDTH = 960;
@@ -44,6 +45,8 @@ parameter VMAX = 624;
 reg [10:0] hcount, vcount;
 reg hsync, vsync, active;
 
+assign vblank = vsync;
+
 always @(posedge pixclk) begin
 	if (hcount == HMAX) begin
 		hcount <= 0;
diff --git a/hdl/zybo_hdmi.sv b/hdl/zybo_hdmi.sv
@@ -62,7 +62,8 @@ hdmi_core #(
 	.grn(grn),
 	.blu(blu),
 	.xpixel(xpixel),
-	.ypixel(ypixel)
+	.ypixel(ypixel),
+	.vblank()
 	);
 
 // test pattern