From: michael <michael>
Date: Sat, 10 Feb 2007 15:58:08 +0000 (+0000)
Subject: += heartbeat
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/raggedstone/commitdiff_plain/152884e67f2cea6ff9f5787eab6c72dcffe484e4?ds=sidebyside

+= heartbeat
---

diff --git a/heartbeat/Makefile b/heartbeat/Makefile
index b0ba87c..0399ea3 100644
--- a/heartbeat/Makefile
+++ b/heartbeat/Makefile
@@ -19,7 +19,7 @@ ngdbuild: $(PROJECT).ngc $(PROJECT).ngd
 $(PROJECT).ngc:
 	@# echo synclib > $(PROJECT).lso # hmm. things are different in ise 9.1
 	echo work > $(PROJECT).lso
-	xst -intstyle ise -ifn $(PROJECT).xst -ofn $(PROJECT).syr &> tmp/build.xst.log
+	xst -intstyle ise -ifn $(PROJECT).xst -ofn $(PROJECT).syr
 	#cat $(PROJECT).syr
 	mv $(PROJECT).syr $(TMP)
 	mv $(PROJECT).ngr $(PROJECT).lso $(TMP)
diff --git a/heartbeat/raggedstone.prj b/heartbeat/raggedstone.prj
index 2c8b3d8..e0adeac 100644
--- a/heartbeat/raggedstone.prj
+++ b/heartbeat/raggedstone.prj
@@ -1,6 +1,4 @@
 verilog work "source/sync.v"
-verilog work "source/disp_dec.v"
-verilog work "source/wb_7seg.v"
 verilog work "source/pcidec.v"
 verilog work "source/pcidmux.v"
 
@@ -12,5 +10,5 @@ vhdl work "source/pfs.vhd"
 vhdl work "source/new_pciregs.vhd"
 vhdl work "source/pcipargen.vhd"
 vhdl work "source/new_pci32tlite.vhd"
-vhdl work "source/vga_main.vhd"
 vhdl work "source/top_pci_7seg.vhd"
+vhdl work "source/heartbeat.vhd"
diff --git a/heartbeat/raggedstone.ucf b/heartbeat/raggedstone.ucf
index 483a19f..31d028c 100644
--- a/heartbeat/raggedstone.ucf
+++ b/heartbeat/raggedstone.ucf
@@ -1,14 +1,3 @@
-NET "DISP_LED<0>"  LOC = "AB20" | IOSTANDARD = LVCMOS33 ;
-NET "DISP_LED<1>"  LOC = "AA20" | IOSTANDARD = LVCMOS33 ;
-NET "DISP_LED<2>"  LOC = "V18" | IOSTANDARD = LVCMOS33 ;
-NET "DISP_LED<3>"  LOC = "Y17" | IOSTANDARD = LVCMOS33 ;
-NET "DISP_LED<4>"  LOC = "AB18" | IOSTANDARD = LVCMOS33 ;
-NET "DISP_LED<5>"  LOC = "AA18" | IOSTANDARD = LVCMOS33 ;
-NET "DISP_LED<6>"  LOC = "W18" | IOSTANDARD = LVCMOS33 ;
-NET "DISP_SEL<0>"  LOC = "AA17" | IOSTANDARD = LVCMOS33 ;
-NET "DISP_SEL<1>"  LOC = "U17" | IOSTANDARD = LVCMOS33 ;
-NET "DISP_SEL<2>"  LOC = "U16" | IOSTANDARD = LVCMOS33 ;
-NET "DISP_SEL<3>"  LOC = "U14" | IOSTANDARD = LVCMOS33 ;
 NET "LED_ACCESS"  LOC = "AB5" | IOSTANDARD = LVCMOS33 ;
 NET "LED_INIT"  LOC = "AA5" | IOSTANDARD = LVCMOS33 ;
 NET "PCI_AD<0>"  LOC = "A5" | IOSTANDARD = PCI33_3 ;
@@ -60,9 +49,3 @@ NET "PCI_nSTOP"  LOC = "A12" | IOSTANDARD = PCI33_3  | SLEW = FAST ;
 NET "PCI_nTRDY"  LOC = "B13" | IOSTANDARD = PCI33_3  | SLEW = FAST ;
 NET "PCI_PAR"  LOC = "A9" | IOSTANDARD = PCI33_3  | SLEW = FAST ;
 NET "LED_ALIVE"  LOC = "AB4" | IOSTANDARD = LVCMOS33 ;
-NET "mclk"  LOC = "E22";
-NET "red"  LOC = "E21";
-NET "grn"  LOC = "F21";
-NET "blu"  LOC = "F20";
-NET "hs"  LOC = "F19";
-NET "vs"  LOC = "G19";
diff --git a/heartbeat/source/heartbeat.vhd b/heartbeat/source/heartbeat.vhd
new file mode 100644
index 0000000..76f084d
--- /dev/null
+++ b/heartbeat/source/heartbeat.vhd
@@ -0,0 +1,39 @@
+library ieee;
+
+use ieee.std_logic_1164.all;
+use ieee.std_logic_unsigned.all;
+
+entity heartbeat is
+generic (
+	divider : integer := 33000000
+);
+
+port (
+	clk_i : in std_logic;
+	nrst_i : in std_logic;
+	led_o : out std_logic
+);   
+
+end heartbeat;
+
+architecture rtl of heartbeat is
+begin
+
+process(clk_i, nrst_i)
+variable counter : std_logic_vector(31 downto 0);
+variable state : std_logic := '0';
+begin
+
+if (clk_i'event AND clk_i = '1') then
+	if nrst_i = '0' then
+		counter := (others => '0');
+        else
+		led_o <= state;
+		counter := counter + 1;
+		if counter = divider then
+			state := not state;
+	        end if;
+	end if;
+end if;
+end process;
+end architecture;
diff --git a/heartbeat/source/top_raggedstone.vhd b/heartbeat/source/top_raggedstone.vhd
index 6b449a7..73fefb1 100644
--- a/heartbeat/source/top_raggedstone.vhd
+++ b/heartbeat/source/top_raggedstone.vhd
@@ -59,20 +59,10 @@ port (
     PCI_nSERR   : out std_logic;
     PCI_nINT    : out std_logic;
  
-	-- 7seg
-    DISP_SEL                : inout std_logic_vector(3 downto 0);
-    DISP_LED                : out std_logic_vector(6 downto 0);
-	
 	-- debug signals
 	LED_INIT	 : out std_logic;
 	LED_ACCESS	 : out std_logic;
-	LED_ALIVE : out std_logic;
-
-	-- vga signals
-	hs             : out std_logic;
-	vs             : out std_logic;
-	red, grn, blu  : out std_logic;
-	mclk           : in std_logic
+	LED_ALIVE : out std_logic
 
 );
 end pci_7seg;
@@ -129,41 +119,12 @@ port (
 	);
 end component;
 
-
-component wb_7seg_new
+component heartbeat
 port (
-   
-   -- General 
-    clk_i      : in std_logic;
-    nrst_i	   : in std_logic;
-    
-	-- Master whisbone
-    wb_adr_i   : in std_logic_vector(24 downto 1);     
-	wb_dat_o   : out std_logic_vector(15 downto 0);
-    wb_dat_i   : in std_logic_vector(15 downto 0);
-	wb_sel_i   : in std_logic_vector(1 downto 0);
-    wb_we_i    : in std_logic;
-	wb_stb_i   : in std_logic;
-	wb_cyc_i   : in std_logic;
-	wb_ack_o   : out std_logic;
-	wb_err_o   : out std_logic;
-	wb_int_o   : out std_logic;
-
-	-- 7seg
-    DISP_SEL   : inout std_logic_vector(3 downto 0);
-    DISP_LED   : out std_logic_vector(6 downto 0)
-
-   );
-end component;
-
-
-component vgaController is
-        Port ( mclk : in std_logic;
-           hs : out std_logic;
-           vs : out std_logic;
-           red : out std_logic;
-           grn : out std_logic;
-           blu : out std_logic);
+	clk_i : in std_logic;
+	nrst_i : in std_logic;
+	led_o : out std_logic
+);
 end component;
 
 
@@ -188,18 +149,6 @@ end component;
 
 begin
 
-			 LED_ALIVE <= '1';
---+-------------------------------------------------------------------------+
---|  Component instances													|
---+-------------------------------------------------------------------------+
-
-	vga1: vgaController port map (mclk => mclk,
-		hs => hs,
-		vs => vs,
-		red => red,
-		grn => grn,
-		blu => blu);
-
 --+-----------------------------------------+
 --|  PCI Target 							|
 --+-----------------------------------------+
@@ -238,22 +187,11 @@ port map(
 --|  WB-7seg             					|
 --+-----------------------------------------+
 
-u_wb: component wb_7seg_new
-port map(
-		clk_i    =>		PCI_CLK,
-    	nrst_i   =>		PCI_nRES,
-    	wb_adr_i =>		wb_adr,   
-		wb_dat_o =>		wb_dat_out,
-    	wb_dat_i =>		wb_dat_in,
-		wb_sel_i =>		wb_sel,
-    	wb_we_i  => 	wb_we,
-		wb_stb_i =>		wb_stb,
-		wb_cyc_i =>		wb_cyc,
-		wb_ack_o =>		wb_ack,
-		wb_err_o =>		wb_err,
-		wb_int_o =>		wb_int,
-		DISP_SEL =>		DISP_SEL,
-		DISP_LED =>		DISP_LED
+my_heartbeat: component heartbeat
+port map( 
+	clk_i => PCI_CLK,
+	nrst_i => PCI_nRES,
+	led_o => LED_ALIVE
 );
 
 end pci_7seg_arch;