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-rw-r--r--doc/using/UART_srcs/vhpi/Zeichnung.svg424
-rw-r--r--doc/using/UART_srcs/vhpi/makefile22
-rw-r--r--doc/using/UART_srcs/vhpi/tb_tty.vhd116
-rw-r--r--doc/using/UART_srcs/vhpi/terminal.pngbin18429 -> 0 bytes
-rw-r--r--doc/using/UART_srcs/vhpi/tty.c83
-rw-r--r--doc/using/UART_srcs/vhpi/tty_pkg.vhd70
-rw-r--r--doc/using/UART_srcs/vhpi/zeichnung.pngbin45158 -> 0 bytes
7 files changed, 0 insertions, 715 deletions
diff --git a/doc/using/UART_srcs/vhpi/Zeichnung.svg b/doc/using/UART_srcs/vhpi/Zeichnung.svg
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diff --git a/doc/using/UART_srcs/vhpi/makefile b/doc/using/UART_srcs/vhpi/makefile
deleted file mode 100644
index fdf5bc3b0..000000000
--- a/doc/using/UART_srcs/vhpi/makefile
+++ /dev/null
@@ -1,22 +0,0 @@
-
-
-
-all:
-
- rm -rf work
- mkdir work
-
- ghdl -a --work=work --workdir=work tty_pkg.vhd
- gcc -c -fPIC tty.c -o tty.o
-
- ghdl -a --work=work --workdir=work ../capitalisation/capitalisation.vhd
- ghdl -a --work=work --workdir=work tb_tty.vhd
-
- ghdl -e -Wl,tty.o --ieee=synopsys -fexplicit --workdir=work -Pwork tb_tty
-# ghdl -r tb_tty --wave=tbench.ghw
- ghdl -r tb_tty --wave=tbench.ghw --stop-time=500000us
-
-
-view:
- gtkwave tbench.ghw a.gtkw
-
diff --git a/doc/using/UART_srcs/vhpi/tb_tty.vhd b/doc/using/UART_srcs/vhpi/tb_tty.vhd
deleted file mode 100644
index 6e1576ed5..000000000
--- a/doc/using/UART_srcs/vhpi/tb_tty.vhd
+++ /dev/null
@@ -1,116 +0,0 @@
---tb_tty.vhd
-LIBRARY ieee;
-USE ieee.std_logic_1164.ALL;
-USE ieee.numeric_std.ALL;
-use work.tty_pkg.all;
-
-ENTITY tb_tty IS
-END tb_tty;
-
-ARCHITECTURE behavior OF tb_tty IS
-
-signal clk : std_logic := '0';
-signal reset : std_logic;
-
-signal data_in : std_logic_vector(7 downto 0);
-signal wdata : std_logic_vector(7 downto 0);
-signal wr_en : std_logic:='1';
-signal wr : std_logic;
-signal rd_en : std_logic;
-signal rd : std_logic;
-signal a : integer;
-signal c : integer;
-
-
-component capitalisation is
- port(
- clk : in std_logic;
- reset : in std_logic;
- --in
- rdata : in std_logic_vector(7 downto 0);
- rd_en : in std_logic;
- rd : out std_logic;
- --out
- wdata : out std_logic_vector(7 downto 0);
- wr_en : in std_logic;
- wr : out std_logic
- );
-end component;
-
- -- Clock period definitions
- constant clk_period : time := 10 ns;
-
-subtype by_te is character;
-type f_byte is file of by_te;
-
-BEGIN
-
---file open
- process
- begin c<=tty_open(0);
- wait;
- end process;
-
---read
-process (clk)
-
-variable b: integer;
-begin
- if rising_edge(CLK) then
- a<= read_enable(0);
- if a=1 then
- data_in<=std_logic_vector(to_unsigned(read_data(0),8));
- rd_en<='1';
- else
- rd_en<='0';
- end if;
- end if;
-
-end process;
-
---write
-process (clk)
-variable b: integer;
-
- begin
- if rising_edge(CLK) then
- if reset='0' then
- if wr='1' then
- b:=to_integer(unsigned(wdata));
- write_data(b);
- end if;
- end if;
- end if;
- end process;
-
- stim_proc : process
- begin
- reset <= '1';
-
- wait for 50 ns;
- reset <='0';
- wait;
- end process;
-
- clk_process :process
- begin
- clk <= '0';
- wait for clk_period/2;
- clk <= '1';
- wait for clk_period/2;
- end process;
-
-engine: capitalisation
- port map(
- clk => clk,
- reset => reset,
- --in
- rdata => data_in,
- rd_en => rd_en,
- rd => rd,
- --out
- wdata => wdata,
- wr_en => wr_en,
- wr => wr
- );
-END;
diff --git a/doc/using/UART_srcs/vhpi/terminal.png b/doc/using/UART_srcs/vhpi/terminal.png
deleted file mode 100644
index a19f3cd64..000000000
--- a/doc/using/UART_srcs/vhpi/terminal.png
+++ /dev/null
Binary files differ
diff --git a/doc/using/UART_srcs/vhpi/tty.c b/doc/using/UART_srcs/vhpi/tty.c
deleted file mode 100644
index c04f8f359..000000000
--- a/doc/using/UART_srcs/vhpi/tty.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- VPI code allowing you to connect terminal emulator or other program to pty "connected"
- to the UART-like port in IP core simulated in GHDL.
-
- This code is written by Wojciech M. Zabolotny (wz...@ise.pw.edu.pl) on 2nd June 2011
- and is published as PUBLIC DOMAIN
-
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <linux/ioctl.h>
-#include <sys/stat.h>
-#include <sys/poll.h>
-#include <fcntl.h>
-#include <errno.h>
-
-char *ptsname(int fd);
-
-int ptyf = -1;
-
-
-
-int tty_open(int a)
-{
- ptyf = open("/dev/ptmx",O_RDWR);
- if(ptyf<0) {
- perror("I can't open pseudoterminal\n");
- return -1;
- }
- if(unlockpt(ptyf)<0) {
- perror("I can't unlock pseudoterminal\n");
- return -1;
- }
- if(grantpt(ptyf)<0) {
- perror("I can't grant pseudoterminal\n");
- return -1;
- }
- printf("Pseudoterminal: %s\n",ptsname(ptyf));
- // sleep(10);
- return 0;
-}
-
-
-int read_enable(void)
-{
- //In the masks below you may omit POLLHUP in this case
- //disconnection of the terminal emulator from pty will not
- //stop simulation, and you'll be able to reconnect
- //the same or different program to pty and running simulation
- struct pollfd pfd[1]={{ptyf,POLLIN | POLLERR | POLLHUP,0}};
- int res;
- res=poll(pfd,1,0);
- if(res==0) return 0;
- if(res<0) return 0; //error
- //If you removed POLLHUP from the mask above, you should remove it below too
- if(pfd[0].revents & (POLLERR|POLLHUP)) return 0; //disconnected or error?
- if(pfd[0].revents & POLLIN) return 1;
- return 0;
-}
-
-
-int read_data(void)
-{
- unsigned char c;
- read(ptyf,&c,1);
- return c;
-}
-
-int write_data(int byte)
-{
- unsigned char c = byte;
- write(ptyf,&c,1);
-
- // Debug: printf("Writing %x to pty\n", c);
- return 0;
-}
-
diff --git a/doc/using/UART_srcs/vhpi/tty_pkg.vhd b/doc/using/UART_srcs/vhpi/tty_pkg.vhd
deleted file mode 100644
index 99e3a347f..000000000
--- a/doc/using/UART_srcs/vhpi/tty_pkg.vhd
+++ /dev/null
@@ -1,70 +0,0 @@
---tty_pkg.vhd
-library ieee;
-use ieee.std_logic_1164.all;
-use ieee.numeric_std.all;
-
-package tty_pkg is
-
- function to_integer( s: std_logic) return integer;
- function to_std_logic( s : integer ) return std_logic;
-
- function tty_open (portn : integer) return integer;
- attribute foreign of tty_open :
- function is "VHPIDIRECT tty_open";
-
- function read_data ( dummy: integer) return integer;
- attribute foreign of read_data :
- function is "VHPIDIRECT read_data";
-
- function read_enable ( dummy: integer) return integer;
- attribute foreign of read_enable :
- function is "VHPIDIRECT read_enable";
-
- procedure write_data ( data: in integer);
- attribute foreign of write_data :
- procedure is "VHPIDIRECT write_data";
-
-end;
-
-
-package body tty_pkg is
-
- function to_integer( s : std_logic ) return integer is
- begin
- if s = '1' then
- return 1;
- else
- return 0;
- end if;
- end function;
-
- function to_std_logic( s : integer ) return std_logic is
- begin
- if s > 0 then
- return '1';
- else
- return '0';
- end if;
- end function;
-
-
- function tty_open (portn : integer) return integer is
- begin
- assert false report "VHPI" severity failure;
- end tty_open;
-
- function read_data (dummy: integer) return integer is
- begin
- assert false report "VHPI" severity failure;
- end read_data;
-
- function read_enable (dummy: integer) return integer is
- begin
- assert false report "VHPI" severity failure;
- end read_enable;
-
- procedure write_data ( data: in integer) is
- begin
- assert false report "VHPI" severity failure;
- end write_data;
-end tty_pkg;
diff --git a/doc/using/UART_srcs/vhpi/zeichnung.png b/doc/using/UART_srcs/vhpi/zeichnung.png
deleted file mode 100644
index fbfdec259..000000000
--- a/doc/using/UART_srcs/vhpi/zeichnung.png
+++ /dev/null
Binary files differ
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-07 13:01:18 +0000