Nes project for logipi raspberry pi communication

fpga-logi · Sep 4, 2015 · bed4537 · bed4537
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diff --git a/logipi-gpio_example/hw/hdl/logipi_gpio.v b/logipi-gpio_example/hw/hdl/logipi_gpio.v
@@ -0,0 +1,14 @@
+// Blink two LEDs
+// (c) KNJN LLC - fpga4fun.com
+
+module logipi_gpio(OSC_FPGA, LED, rpi_gpio);
+input OSC_FPGA;
+input rpi_gpio;
+output [1:0] LED;
+
+reg [31:0] cnt;
+always @(posedge OSC_FPGA) cnt <= cnt + 32'h1;
+assign LED[0] = ~cnt[22] & ~cnt[20];
+// LED1 depends on RPi GPIO
+assign LED[1] = cnt[25-(rpi_gpio << 2)];
+endmodule
diff --git a/logipi-gpio_example/hw/hdl/logipi_gpio.vhd b/logipi-gpio_example/hw/hdl/logipi_gpio.vhd
@@ -0,0 +1,56 @@
+----------------------------------------------------------------------------------
+-- Company: 
+-- Engineer: 
+-- 
+-- Create Date:    13:38:40 09/04/2015 
+-- Design Name: 
+-- Module Name:    logipi_gpio - Behavioral 
+-- Project Name: 
+-- Target Devices: 
+-- Tool versions: 
+-- Description: 
+--
+-- Dependencies: 
+--
+-- Revision: 
+-- Revision 0.01 - File Created
+-- Additional Comments: 
+--
+----------------------------------------------------------------------------------
+library IEEE;
+use IEEE.STD_LOGIC_1164.ALL;
+use IEEE.STD_LOGIC_UNSIGNED.ALL;
+-- Uncomment the following library declaration if using
+-- arithmetic functions with Signed or Unsigned values
+--use IEEE.NUMERIC_STD.ALL;
+
+-- Uncomment the following library declaration if instantiating
+-- any Xilinx primitives in this code.
+--library UNISIM;
+--use UNISIM.VComponents.all;
+
+entity logipi_gpio is
+port(
+	OSC_FPGA : in std_logic ;
+	rpi_gpio : in std_logic ;
+	led : out std_logic_vector(1 downto 0)
+);
+end logipi_gpio;
+
+architecture Behavioral of logipi_gpio is
+signal cnt : std_logic_vector(31 downto 0);
+begin
+
+process(OSC_FPGA)
+begin
+if OSC_FPGA'event and OSC_FPGA = '1' then
+	cnt <= cnt + 1 ;
+end if ;
+end process ;
+
+
+LED(0) <= not(cnt(22)) and not(cnt(20));
+LED(1) <= cnt(25) when rpi_gpio = '0' else
+			 cnt(25 - 4) ;
+end Behavioral;
+
diff --git a/logipi-gpio_example/hw/hdl/logipi_r1_5.ucf b/logipi-gpio_example/hw/hdl/logipi_r1_5.ucf
@@ -0,0 +1,15 @@
+##### Grouping Constraints #####
+NET OSC_FPGA TNM_NET = clk50_grp;
+
+##### Clock Period Constraints #####
+TIMESPEC TS_PER_CLK50 = PERIOD "clk50_grp" 20.0 ns;
+
+#######################
+# Pin LOC Constraints #
+######################
+
+##### Bank 2 #####
+NET "LED<0>"        LOC = "P105" | IOSTANDARD = LVTTL;		#SHARED WITH ARD_D6
+NET "LED<1>"        LOC = "P104" | IOSTANDARD = LVTTL;		#SHARED WITH ARD_D7
+NET "RPI_GPIO"      LOC = "P81" | IOSTANDARD = LVTTL;		#SHARED WITH ARD_D7
+NET "OSC_FPGA"      LOC = "P85" | IOSTANDARD = LVTTL;
diff --git a/logipi-gpio_example/hw/ise/iseconfig/logipi_gpio.projectmgr b/logipi-gpio_example/hw/ise/iseconfig/logipi_gpio.projectmgr
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--This is an ISE project configuration file.-->
+<!--It holds project specific layout data for the projectmgr plugin.-->
+<!--Copyright (c) 1995-2009 Xilinx, Inc.  All rights reserved.-->
+<Project version="2" owner="projectmgr" name="logipi_gpio" >
+   <!--This is an ISE project configuration file.-->
+   <ItemView engineview="SynthesisOnly" guiview="Source" compilemode="AutoCompile" >
+      <ClosedNodes>
+         <ClosedNodesVersion>2</ClosedNodesVersion>
+      </ClosedNodes>
+      <SelectedItems>
+         <SelectedItem>logipi_gpio (/home/jpiat/development/FPGA/logi-family/logi-projects/logipi-gpio_example/hw/hdl/logipi_gpio.v)</SelectedItem>
+      </SelectedItems>
+      <ScrollbarPosition orientation="vertical" >0</ScrollbarPosition>
+      <ScrollbarPosition orientation="horizontal" >0</ScrollbarPosition>
+      <ViewHeaderState orientation="horizontal" >000000ff000000000000000100000001000000000000000000000000000000000202000000010000000100000064000000fc000000020000000000000000000000000200000064ffffffff000000810000000300000002000000fc0000000100000003000000000000000100000003</ViewHeaderState>
+      <UserChangedColumnWidths orientation="horizontal" >true</UserChangedColumnWidths>
+      <CurrentItem>logipi_gpio (/home/jpiat/development/FPGA/logi-family/logi-projects/logipi-gpio_example/hw/hdl/logipi_gpio.v)</CurrentItem>
+   </ItemView>
+   <ItemView engineview="SynthesisOnly" sourcetype="" guiview="Process" >
+      <ClosedNodes>
+         <ClosedNodesVersion>1</ClosedNodesVersion>
+         <ClosedNode>Design Utilities</ClosedNode>
+      </ClosedNodes>
+      <SelectedItems>
+         <SelectedItem></SelectedItem>
+      </SelectedItems>
+      <ScrollbarPosition orientation="vertical" >0</ScrollbarPosition>
+      <ScrollbarPosition orientation="horizontal" >0</ScrollbarPosition>
+      <ViewHeaderState orientation="horizontal" >000000ff000000000000000100000001000000000000000000000000000000000000000000000000f2000000010000000100000000000000000000000064ffffffff000000810000000000000001000000f20000000100000000</ViewHeaderState>
+      <UserChangedColumnWidths orientation="horizontal" >false</UserChangedColumnWidths>
+      <CurrentItem></CurrentItem>
+   </ItemView>
+   <ItemView guiview="File" >
+      <ClosedNodes>
+         <ClosedNodesVersion>1</ClosedNodesVersion>
+      </ClosedNodes>
+      <SelectedItems/>
+      <ScrollbarPosition orientation="vertical" >0</ScrollbarPosition>
+      <ScrollbarPosition orientation="horizontal" >0</ScrollbarPosition>
+      <ViewHeaderState orientation="horizontal" >000000ff0000000000000001000000000000000001000000000000000000000000000000000000028a000000040101000100000000000000000000000064ffffffff0000008100000000000000040000005100000001000000000000002900000001000000000000008400000001000000000000018c0000000100000000</ViewHeaderState>
+      <UserChangedColumnWidths orientation="horizontal" >false</UserChangedColumnWidths>
+      <CurrentItem></CurrentItem>
+   </ItemView>
+   <ItemView guiview="Library" >
+      <ClosedNodes>
+         <ClosedNodesVersion>1</ClosedNodesVersion>
+         <ClosedNode>work</ClosedNode>
+      </ClosedNodes>
+      <SelectedItems/>
+      <ScrollbarPosition orientation="vertical" >0</ScrollbarPosition>
+      <ScrollbarPosition orientation="horizontal" >0</ScrollbarPosition>
+      <ViewHeaderState orientation="horizontal" >000000ff00000000000000010000000000000000010000000000000000000000000000000000000128000000010001000100000000000000000000000064ffffffff000000810000000000000001000001280000000100000000</ViewHeaderState>
+      <UserChangedColumnWidths orientation="horizontal" >false</UserChangedColumnWidths>
+      <CurrentItem>work</CurrentItem>
+   </ItemView>
+   <ItemView engineview="SynthesisOnly" sourcetype="DESUT_VERILOG" guiview="Process" >
+      <ClosedNodes>
+         <ClosedNodesVersion>1</ClosedNodesVersion>
+         <ClosedNode>Configure Target Device</ClosedNode>
+         <ClosedNode>Design Utilities</ClosedNode>
+         <ClosedNode>Implement Design</ClosedNode>
+         <ClosedNode>Synthesize - XST</ClosedNode>
+         <ClosedNode>User Constraints</ClosedNode>
+      </ClosedNodes>
+      <SelectedItems>
+         <SelectedItem>Generate Programming File</SelectedItem>
+      </SelectedItems>
+      <ScrollbarPosition orientation="vertical" >0</ScrollbarPosition>
+      <ScrollbarPosition orientation="horizontal" >0</ScrollbarPosition>
+      <ViewHeaderState orientation="horizontal" >000000ff000000000000000100000001000000000000000000000000000000000000000000000000f2000000010000000100000000000000000000000064ffffffff000000810000000000000001000000f20000000100000000</ViewHeaderState>
+      <UserChangedColumnWidths orientation="horizontal" >false</UserChangedColumnWidths>
+      <CurrentItem>Generate Programming File</CurrentItem>
+   </ItemView>
+   <SourceProcessView>000000ff00000000000000020000014c0000011d01000000060100000002</SourceProcessView>
+   <CurrentView>Implementation</CurrentView>
+</Project>